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BFT081F-TE


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T     ECHNICAL INFORMATION
   Models No.               BFT081F
                                                                                                             PRODUCT
                                                                                                               P 1 / 14
                                                                                                     L
    Description             Cordless Screwdriver 12V

CONCEPT AND MAIN APPLICATIONS
   Model BFT081F has been developed as a the 12V version of
   Model BFT080F 9.6V cordless screwdriver.
                                                                                                                   H
   12V Ni-MH provides rotational speed higher than the 9.6V model
   to ensure higher operation efficiency.
   Also designed to tighten screws to turning angle higher than BFT080F
   to cover wider range of fastening applications in assembly lines.

                                                                                               W

                                                                                             Dimensions: mm (")
                                                                                Length (L)                   200 (7-7/8)
                                                                                Width (W)                    71 (2-13/16)
                                                                                             with BH1220C    242 (9-1/2)
                                                                                Height (H)
                                                                                             with BH1233C    251 (9-7/8)

 Specification
               Cell                                                  Ni-MH
               Voltage: V                                               12
    Battery
                                                           2.0 (Battery BH1220C)
               Capacity: Ah
                                                           3.3 (Battery BH1233C)
    No load seed: min-1=rpm                                            700
    Driving shank: mm (")                                        Hex 6.35 (1/4)
                                   Hard joint                  3 - 8 (26.6 - 70.8)
    Torque range: N.m (in.lbs)
                                   Soft joint                 3 - 7.5 (26.6 - 66.4)
    Electric brake                                                     Yes
    Torque adjustment                                                  Yes
    Reverse switch                                                     Yes
    LED job light                                        Yes (with afterglow function)
    Externally accessible brush                                        Yes
    Net weight: w/ BH1220C (2.0Ah battery)                          1.5 (3.3)
       kg (lbs) w/ BH1233C (3.3 Ah battery)                         1.7 (3.7)


 Standard equipment
   Adjust grip ............... 1 pc (exclusively for UAS, Canada and Italy)
   Protector ................... 1 pc (exclusively for Germany)
   Note: The standard equipment for the tool shown above may differ by country.

 Optional     accessories
   Battery BH1220C (2.2Ah)                          Adjust grip
   Battery BH1233C (3.3Ah)                          Protector (red)
   Charger DC24SA                                   Protector (blue)
   Charger DC24SC                                   Protector (yellow)
   Charger DC18SC                                   Grip base set
   Charger DC14SA                                   Grip 37
   Charger DC14SC
   Automatic refreshing adapter ADP03
                                                                                                               P 2 / 14
Features     and benefits


 High Rotational Speed (No load Speed: 700rpm)
 Provides high operation efficiency.

 Designed to tighten screws to turning angle higher than BFT080F
 to cover wider range of fastening applications in assembly lines.
 Torque range on soft joint is;
 BFT081F: 3 - 7.5N.m
 BFT080F: 3 - 6.5N.m

 Powered by 12V Slide-type Ni-MH Batteries;
 BH1220C (2.2 Ah)/ BH1233C (3.3 Ah)

Note: All advantages described below are the same as the BFT080F.


 High Torque Accuracy                         Color Coded                 Adjust Grip (option) for Strict
                                              Identification Plate        Torque Control at Assembling Line
   10% Cm > 1.67
          =
                                             For easy tool and                                 Adjust grip
                                             application identification   Without adjust grip,
 Protector (option)                                                       it is impossible to
               Protects the workpiece.                                    change torque setting.
               Also resists impacts that
               can damage tool.
                                                                                           Two-Piece D28 Motor
                                                                                          With replaceable armature and
Rubber-Coated Bit Sleeve
                                                                                          powerful rare earth magnet
Protects the workpiece.
                                                                                   Externally Accessible Brushes
 LED Job Light
                                                                                   For convenience and longer tool life
 with Afterglow Function
Activates when trigger is pulled                                                 Indication Lamp and Beeper
for low light conditions.

 Easy-to-Operate,
                                                                                                  Indication lamp
 Large On/Off Switch
Equipped with soft start function                                            Indicate fastening sufficiency and
and delayed restarter                                                        battery power conditions as follows;
                                                                             *Sufficient fastening: with green lamp on
Conveniently Located
                                                                             *Insufficient fastening: with red lamp on
Push-Button Type
                                                                                                             and beeps
Forward/Reverse Switch
                                                                             *Warning that remaining battery power is
                                                                              a little: with red lamp on and beeps
 Nut and Bolt Construction                 Anti-Slip Dimpled Grip            *Battery power remaining is too little to
                                                                              run the tool.: Stops motor with red lamp
Allows repeat disassembly,                 Provides more control and                                      on and beeps.
preventing damage to the housing.          less fatigue.

 Built-in Electronic System                                               Side Grip (option)
Soft Start function to suppress return torque at start-ups.                            Ensures safe and easy control
Delayed Restarter controls the motor so that it does not                               of the machine when tightening
start until one second passes after a screw has been driven;                           screws to high turning angle.
the motor does not start even if switch trigger is pulled.
Auto Battery Shut-off ensures consistent fastening torque.
                                                                                                                 P 3 / 14

Features                               and benefits

 Referring to the "Limit Capacity Graphs" below, select the machine to match your application.

 Limit Capacity Graphs

                                                              [BFT020F, BFT021F] 9.6V
    Turning angle (degree)




                             360
                             300
                             240
                             180          Fair Zone
                             120
                              60
                               0
                                   0    0.5   1       2   3   4       5        6   7       8       9   10   11      12
                                                                  Torque (N.m)


                                                                  [BFT040F] 9.6V
    Turning angle (degree)




                             360
                             300
                             240
                             180                  Fair Zone
                             120
                              60
                               0
                                   0          1       2   3   4       5        6   7       8       9   10   11      12
                                                                  Torque (N.m)


                                                                  [BFT080F] 9.6V
    Turning angle (degree)




                             360
                             300
                             240
                             180                                  Fair Zone
                             120
                              60
                               0
                                   0          1       2   3   4       5        6   7       8       9   10   11      12
                                                                  Torque (N.m)


                                                                  [BFT081F] 12V
  Turning angle (degree)




                             360
                             300
                             240
                             180                                  Fair Zone
                             120
                              60
                              0
                                   0          1    2      3   4       5        6   7       8       9   10   11     12
                                                                  Torque (N.m)


                                                                  [BFT122F] 12V
   Turning angle (degree)




                             360
                             300
                             240
                             180                                                       Fair Zone
                             120
                              60
                              0
                                   0          1       2   3   4       5        6   7       8       9   10   11     12
                                                                  Torque (N.m)
                                                                                                                        P 4 / 14
Features      and benefits

Lists of the Electronic Functions and Reminders
1. When a screw has been driven completely at preset torque, or when there is no trouble in the machine;
                     Electronic Reminders
                                                        When function                  What LED indicator lamp and
   Function        Lamp of the     Beeping                 works                       Alarm buzzer remind the user
                  LED Indicator of Buzzer
               Turns on first                                                 To ensure that LED indication lamp and Alarm
Checking LED                        Rapid      Just after the battery is
               in green, then                                                 buzzer works normally; if there is no trouble in
lamp and alarm                   succession of installed on the machine
               in red and                                                     electronic parts, each reminder turns on and
buzzer                            short beeps
               finally in white.                                              beeps as described to the left columns.
                                                                            To ensure that a screw has been driven completely
                                                                            at preset torque. The Auto fastening stop system
                                                     When a screw has been helps the user avoid overtightening.
Auto fastening      Turns on                         fastened completely at For approximate one second after Auto fastening
stop & Delayed                      No beeping                              stop system works, the tool does not start even if
                    in green.                        preset torque and
restart                                                                     the trigger switch is pulled as long as the lamp is
                                                     the clutch is released
                                                                            on in green. The Delayed restart system helps
                                                                            the user avoid accidental overtightening which
                                                                            will be caused by fault operation of trigger switch.

2. When a screw has not been driven completely at preset torque, or when there is some trouble in the machine;
                        Electronic Reminders
                                                           What LED indicator lamp and
    Function        Lamp of the     Beeping                                                         Corrective Action to Take
                                                           Alarm buzzer remind the user
                   LED Indicator of Buzzer
                                                        Incomplete tightening has been           Tighten the screw once again.
 Warning Against
                      Turns on                          performed, because the trigger switch    It is important to keep on
 Incomplete                          A long beep
                       in red.                          has been released before the fastening   pulling the trigger switch till
 Tightening
                                                        torque reaches preset one.               the clutch is released.
                                                                                              Although the motor will run,
                                         Slow           It is appropriate time to replace the it is recommended to replace
 Battery Power     Blinks slowly
                                     repetition of      battery with full-charged one because the battery by full-charged one.
 Reminder              in red.
                                      long beeps        the battery power is getting low.     The reminders turn off when
                                                                                              battery voltage recovers.
                                                                                                 Replace the battery with full-
                                                                                                 charged one to avoid incomplete
 Auto Battery         Turns on                          There is not battery power enough
                                     A long beep                                                 tightening.
 Shut-off              in red.                          to tighten a screw at preset torque.
                                                                                                 The reminders turn off when
                                                                                                 the battery cartridge is removed.
                                                                                                 Replace the battery with full-
                                                        Abnormal drop in battery voltage
                    Blinks in red                                                                charged one to avoid incomplete
 Anti-Resetting                      Repetition of      has been caused for some reason.
                      and green                                                                  tightening.
 of Controller                        long beeps        The motor does not start even if the
                     alternately.                                                                The reminders turn off when
                                                        trigger switch is pulled.
                                                                                                 the battery cartridge is removed.
 Warning Against                                                                               Immediately remove the battery,
                                        Quick           The controller or motor is overheated.
 Overheated      Blinks in red                                                                 and cool down the machine.
                                     Repetition of      The motor does not start even if the
 Controller or     quickly.                                                                    The reminders turn off when the
                                      short beeps       trigger switch is pulled.
 Motor                                                                                         machine temperature gets low.
                   Blinks in red Quick repetition This indicates the abnormal condition
 Motor
                    and green                                                                      Ask Makita service centers.
 Malfunction                     of short beeps. of motor. The tool does not operate.
                    alternately.
                                                                                                 Release the trigger switch.
 Warning Against
                                                                                                 The reminders turn off when the
 Fault Position of                                        The battery cartridge has been
                    Blinks in red                                                                trigger switch is released.
 Trigger Switch                      Repetition of        installed on the machine with the
                     and green                                                                   This function helps the user
 (when installing                     long beeps          trigger switch being pulled to the
                     alternately.                                                                avoid accidental start-ups when
 the battery on the                                       "On" position.
                                                                                                 installing the battery cartridge
 machine)
                                                                                                 on the machine.
                                                                           P 5 / 14
Comparison         of products

                        Model No.                     Makita
  Specifications                          BFT081F              BFT080F
                          Voltage: V         12                  9.6
  Ni-MH Battery
                          Capacity: Ah    2.0 / 3.3            2.0 / 3.3
                          Hard Joint        3-8                  3-8
  Torque range: N.m
                          Soft Joint       3 - 7.5              3 - 6.5
  No load speed: min.-1= rpm                700                  540
                                             28                   28
  Center height: mm (")
                                           (1-1/8)              (1-1/8)
  LED Job light with afterglow function     Yes                  Yes
  Externally accessible carbon brush        Yes                  Yes
                                             200                  200
                             Length
                                           (7-7/8)              (7-7/8)

  Dimensions: mm (")                         71                   65
                             Width
                                          (2-13/16)            (2-9/16)

                                             242                  251
                             Height*
                                           (9-1/2)              (9-7/8)
                                             1.5                  1.3
                   with 2.0 Ah battery
  Net weight:                               (3.3)                (2.9)
     kg (lbs)
                                             1.7                  1.5
                   with 3.3 Ah battery
                                            (3.8)                (3.3)

 *with 2.0 Ah battery
                                                                                                                   P 6 / 14
Repair
 CAUTION: Remove the saw blade from the machine for safety before repair/ maintenance !

 [1] NECESSARY REPAIRING TOOLS

  Code No.                     Description                       Code No.                      Description
    1R004        Retaining ring pliers ST-2 200MM                  1R269        Bearing extractor
    1R035        Bearing setting plate, diameter 15.2              1R291        Retaining ring S and R pliers
    1R036        Bearing setting plate, diameter 17.2              1R311        Retaining ring pliers with long bent nails
    1R237        Round bar for arbor 8-100                       765025-8       Adjust grip


 [2] LUBRICATION
 Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect
 parts and product from unusual abrasion.

   Item No.          Description                                      Portion to lubricate
      44        Carrier complete A          Each shaft portion on which (47) spur gear 13 is mounted
      47        Spur gear 13                Teeth
                                            Teeth portions which engages with (47) spur gear 13
      48        Spur gear 20 complete                                                                Apply 2.0 g in total.
                                            Each shaft portion on which (49) spur gear 19 is mounted
      49        Spur gear 19                Teeth
      50        Internal gear 47            Teeth

   Fig. 1


            Ball bearing 6805LLB




                                     Gear case



 [3] DISASSEMBLY/ASSEMBLY
 [3] -1. Disassembling Bit Holder Section
 By removing Ring spring 10 out of the groove of Spindle using Makita repairing tool No. 1R291 etc,
 you can disassemble Bit holder section as illustrated below. (Fig. 2)
 Fig. 2

            Flat washer        Compression spring               Steel ball 3 (2 pcs)




  Ring spring 10                   Sleeve                         Spindle
                                                                                                                    P 7 / 14
3) -2. Disassembling/Assembling Clutch Case Section
DISASSEMBLING
1) Remove the bit holder section using Makita repairing tool No.1R291, etc.
2) Remove M4x4 (+) Pan head screw and M4x8 (+) Pan head screw,
   and then remove Clutch case cover, Compression spring 2 and Switch lever.
3) Remove four M4x22 Pan head screws. Take care not to let Compression spring 5 pop out at this time. (Fig. 3)
4) Remove Retaining ring R-21, and then strike the flange portion of Clutch case from the arrow side
   with plastic hammer to take Spindle out of Clutch case. (Fig. 4)
5) By removing Ring spring 11 from Spindle using Makita repairing tool No. 1R004, you can replace
   two 6801LLB Ball bearings and Ring 12 using Makita repairing tool No. 1R269, etc.
Fig. 3
            Pan head
            screw M4x22
                            Clutch case


                                       Clutch section


                                                        Fig. 4
       Compression
       spring 5                                                                                   Clutch case



                                                                                                     Tap the flange portion
                                                                                                     from this side with
                                                                                                     plastic hammer, etc.

                                                          Spindle


 ASSEMBLING
1) Press-fit two 6801LLB Ball bearings and Ring 12 to Spindle using arbor press and Makita repairing tool No. 1R035.
2) Install a new Ring spring 11 on Spindle using Makita repairing tool No. 1R004, etc.
3) Press-fit Spindle section to the Clutch case using Makita repairing tools Nos. 1R036 and 1R237 and arbor press.
  And then install Retaining ring R-21.
4) Install Clutch section and Clutch case onto Housing, and fix them with four M4x22 Pan head screws.
5) Set the Compression spring 5 certainly in place. And then, as illustrated in Fig. 5 secure the Lead wire of the
   Switch unit which stops clutch.
Fig. 5

                                                                                                    Housing L
                                       Lead wire holders




                                                                                                         Clutch case


                                              Lead wire
                                   (Two lead wires are bundled up
                                    with a heat shrink tube.)

           In order to avoid loose wiring, be sure to secure the Lead wire by routing it through
           the Lead wire holder as illustrated to left, and under the two Lead holders as illustrated to right.


6) Set Compression spring 2 and Switch lever in place, and then fix Clutch case cover with M4x8 Pan head screws.
7) Fix Ring 38 with M4x4 (+) Pan head screws.
8) Be careful not to mistake M4x8 Pan head screws (black color) from M4x4 (+) Pan head screws (silver color).
                                                                                                                    P 8 / 14


3) -3. Disassembling/Assembling Clutch Section
DISASSEMBLING
It is recommended to wholly replace Clutch Assembly when the Clutch section is broken. However, we describe below
how to disassemble/assemble the Clutch section so that you can repair the Clutch section by replacing the component
parts if you need to do.

(1) Remove Clutch section from Clutch case section.
(2) Insert Adjust grip into the hole of Adjust ring complete, and turn it counterclockwise to remove Lock nut M12.
    Decrease in the pressure of Compression spring 19 allows you to remove Lock nut M12 by turning it clockwise
    by hand. (Fig 5)
(3) Remove Adjust ring complete, Flat washer and Compression spring 19 from Spindle.
(4) While shifting the positions of Cam A(C) and Cam D, replace Steel ball 3.0 (13 pcs.), Steel ball 4.0 (3 pcs.)
    and Steel ball 5.0 (3 pcs.).
Fig. 5

   Adjust ring complete
                                            Lock nut M12
   Flat washer


   Cam D



   Cam A (C)                                          Remove Lock nut M12 by turning
                                                      Adjust grip counterclockwise.
                    Compression spring 19



ASSEMBLING
(1) Apply Seal lubricant No. 101 to Steel ball 5.0 (3 pcs.), Steel ball 4.0 (3 pcs.) and Steel ball 3.0 (13 pcs.)
   and set these Steel balls in place on the Cams. (Fig. 6)
(2) Apply Seal lubricant No. 101 to the threads of Spindle, and then assemble Compression spring 19,
    Flat washer and Adjust ring complete to Spindle, and finally secure Lock nut M12 to Spindle by turning
    it counterclockwise using Adjust grip, etc.
Fig. 6

                  Steel ball 3.0 (13 pcs)      Cam A(C)          Steel ball 5.0 (3 pcs)




                                      Cam D                      Steel ball 4.0 (3 pcs)


                                 Threads of Spindle
                                                                                                                     P 9 / 14
3) -4. Disassembling/Assembling Motor Section and Gear Case Section
Note: Use Gear assembly as a replacement part if you wish to replace entire Gear case section with new one.
DISASSEMBLING
1) Remove Carbon brushes from inside of Brush holders.
2) Remove Clutch case from Motor section, and then separate Housing L from Housing R by removing
   M3x20 Pan head screws (8pcs.).
3) Remove Gear case section and Motor section by lifting them up. Turn Motor bracket counterclockwise
   and pull Gear case section out. (Fig. 8)
4) Remove Motor bracket out of Armature, and pull the Armature out of Yoke unit.
   Be careful not to pinch your finger between the parts, which attract one another by strong magnetic force.
5) Remove Lock washer by turning it counterclockwise with long-nose pliers or slotted screwdriver. (Fig. 9)
6) Now the following parts can be replaced: Carrier complete, Spur gears (3 pcs), Ball bearing 6805LLB,
   Gear case, Spur gear 20 complete, Spur Gears (3 pcs), Internal gear 47
Fig. 8                                                      Fig. 9
  The position where Switch unit is installed
                                                                                           Lock washer
                                 Motor bracket




          Gear case section      Yoke unit
                                                                  Remove Lock washer by turning it
           Remove the Motor section by turning
                                                                  counterclockwise with pliers or slotted driver.
           Motor bracket counterclockwise.

ASSEMBLING
1) Apply Makita grease N No.2 (approx. 2g in total) to the designated portion in the gear chamber as illustrated in Fig. 10.
Fig. 10
 Carrier complete:                                      Spur gear 20 complete:
 Three shafts for Spur gear                             Gear portion and three shafts for Spur gear
                      Spur gear (3 pcs)




                                                                                      Spur gear        Internal gear 47

2) Assemble the internal parts of Gear case as described in Figs. 11, 12.
Fig. 11                                   Fig. 12

      Carrier complete
                                                                        Internal gear 47
                      Ball bearing
                      6805LLB

                                                                               Spur gear 20 complete




                         Gear case


                                                Install Spur gear
                                                (3 pcs) to the shafts               Spur gear
                                                of Carrier complete.                (3 pcs)


(Continued to next page)
                                                                                                          P 10 /14
3) -4. Disassembling/Assembling Motor Section and Gear Case Section (cont.)
3) Install Lock washer on Gear case. (Fig. 13)
   Install Motor bracket onto Gear case by turning it clockwise until it is locked. (Fig. 14)
4) Complete Motor section by doing as described below:
    Insert armature in Yoke unit, and then mount End bell on the commutator side of Armature. (Fig. 15)
5) Assemble Motor section to Gear case section (Fig. 16)
           [Gear case section]
Fig. 13
                                                                       [Motor section]
                      Lock washer         Fig. 15

                                                      Yoke unit


                                                                   Armature
Fig. 14

                      Motor bracket                                                  End bell

                                            Note:
                                            Be careful not to have your finger pinched between yoke unit and armature
                                            because armature is pulled toward yoke unit by strong magnetic force.




                  Fig. 16




                           Gear section


                                  Motor section


6) Place the Motor section so that Switch unit face the direction of Plate installed on Housing R.
  And then install the Motor section and the Gear section on Housing R. (Fig. 18)
7) Set the following electrical parts in place on Housing R:
   Trigger switch, F/R change lever, Buzzer circuit, Terminal, LED circuit
  After setting Plate and Lens in place, secure Housing L with eight M3x20 Pan head screws. (Fig. 19)

Fig. 18                                                              Fig. 19

  Switch unit      LED circuit                        Controller                                            Plate

                                                                         Housing L




  F/R change lever
                                                                                                              Lens
     Trigger switch

          Buzzer circuit
                                                    Housing R

               Terminal
                                                                                                                P 11/14

3) -5. Disassembling/Assembling Switch Section
DISASSEMBLING
1) After removing F/R change lever, remove the screw that fastens the micro switch. Then pull off the micro switch
   from Trigger switch as illustrated in Fig. 20.
Fig. 20

      F/R change lever



         Trigger switch


           Micro switch


          Screw
                                                 Pull off the micro switch
                                                 while turning counterclockwise.




ASSEMBLING
1) Put the micro switch in place on Trigger switch, then fasten it with   Fig. 21
   the screw to the recommended torque of 0.29 - 0.34N.m.
                                                                           Concave portion
2) Fitting the boss on Trigger switch in the concave portion of
                                                                           of F/R change lever   Boss on Trigger switch
   F/R change lever, assemble Trigger switch and F/R change lever
   together. (Fig. 21)
3) Mount the assembled switch section to Housing R. (Fig. 22)




3) -6. Replacement of Switch Unit, LED Circuit and Buzzer Circuit
1) When removing LED circuit, Switch unit and Buzzer circuit, Fig. 22
   pull off the connector in the direction designated by the arrow.
   See Fig. 22. and "Wiring in Housing" in the pages 13 and 14.                 Switch unit
   To avoid the disconnection of lead wires, do not hold the lead
   wires when removing the above parts. Always hold the
   connectors themselves.
                                                                    LED circuit                              Connector
2) Refer to "Circuit Diagram" in page 12 when connecting
   the connectors.                                                              Connector


                                                                                         Connected to
                                                                                         controller

                                                                                                        Connector


                                                                                                        Buzzer circuit
                                                                          P 12/14

Circuit     diagram


                  Color index of lead wires
     Black                       White
     Red                         Yellow
     Orange                      Blue
     Purple                      Gray


                                                Switch
                                                    Micro
                                                    switch
                                                    (On/Off
                                                    function)




                         Controller                                   M
                                                     Reverse
                                                     function      DC Motor
                          with built-in                            (End bell)
                         Indicator lamp

 Terminal

                                                                Switch
                                                                 unit
                                              Connector

                                                                 LED
                                                                circuit
                                              Connector

                                                                Buzzer
                                                                circuit
                                              Connector
                                                                                                                   P 13/14
Wiring    diagram
[1] Wiring in Housing
Caution:
Be careful not to pinch lead wires
                                                                       [A] Rear of Controller
when fastening Housing L to Housing R.                                 Route the endbell lead wires (black, red)
                                                                       beside each side of the LED cover on Controller.


                                                                                                                 Endbell
 Put the following lead wires           See "Replacement of                                                      lead wire
 out of Housing:                        Switch unit, LED circuit                                                 (black)
 *Lead wires (gray, blue) from          and Buzzer circuit"
                                                                                                                  Endbell
  Controller to LED circuit             in page 12.
                                                                                                                  lead wire
 *Lead wires (purple, yellow)                                                                                     (red)
  from Controller to Switch unit
 *Lead wires (gray, blue) from
                                                                                                             LED cover
  LED circuit to Controller
                                                                                                             on Controller
                                             Switch unit


                                                                See "Wiring to Switch" in page 14.




                                                       Controller

            LED circuit
 Route the following lead wires              Switch                                         [A]
 between this rib and the inside
                                                                               [B]
 wall of Housing R:
 *Lead wires (black, red) from
  Controller to Terminal                                                                [B] Rear of Switch
 *Lead wires (white, red) from         rib
  Controller to Buzzer circuit
 Route the lead wires so that
 this connector is placed below
 this line.                                                 Buzzer
                                                            circuit
                      Connector



 Set Buzzer circuit in place so that                                                                                      rib
 the sponge-side faces the direction
 of Housing L.                                                  Terminal
                                                                                        Route the following lead wires
                                                                                        between the ribs on Switch:
                                                                                        *Lead wires (white, orange) from
 Flag receptacle                                                                         Controller to the micro switch
                                             Flag receptacle
 on black lead wire                                                                     *Lead wires (blue, purple, white)
                                             on red lead wire
                                                                                         from Controller to the reverse
                                                                                         function portion of Switch
                                                                                        *Lead wires (white, red) from
      Terminal                                                                           Controller to Buzzer circuit
                                                                                        Caution:
                                                                                        Be careful not to pinch the above
                                                                                        wires between Switch and Housing.
                                                                                                                 P 14/ 14

Wiring    diagram

[2] Wiring Around Clutch Case

                                                                                Switch unit


                                                                                              As illustrated to left,
                             A                                                                route lead wires
                                                                                              (purple, yellow) of
  Lead wires                                                                                  Switch unit under the pin.
  of Switch unit
                                                                                        Pin
  Clutch case                                                         [View from A]

                                                               Route lead wires (purple, yellow) of switch unit between
                                                               the two pins and clutch case.
                                                               Be sure that the lead wires are tight on the clutch case.


                                                               Put the sag of the lead wires into this opening
                                                               as illustrated below.
                       Pin

                                                                                          Fix the lead wires securely
                                                                                          with this lead wire holder.




[3] Wiring to Switch

                       Switch base side    1) Connect the receptacle on each lead wire to the
                                              corresponding terminal on Switch.
                                           2) Fix the lead wires (black, white) from Controller
                                              securely with lead wire holders.

   Micro switch side


     [View from micro switch side]                                                   [View from switch base side]
                                            Lead wire (red)
                                            from Endbell

                                          Lead wire (purple)     Lead wire (black)
                                          from Controller        from Endbell

                                            Micro switch
                                                                 Lead wire (blue)
                                          Lead wire (orange)     from Controller
                                          from Controller


                                                                 Lead wire (white)
                                          Lead wire (white)      from Controller
                                          from Controller                               Lead wire holders



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