Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA 9911-TE

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9911-TE


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T         ECHNICAL INFORMATION
          Models No.               9911
                                                                                                                          New Tool


          Description              76mm Belt Sander

CONCEPTION AND MAIN APPLICATIONS
Model 9910/9911 are new compact belt sanders using
76mm x 457mm(3"x18") abrasive belt. Their brief benefits are;
Highest capacity at sanding and dust-collection among the same
class sanders.
*Variable speed control by dial for operator's needs




                                                                                                           141 (5-1/2")
(Model 9911 only)
                                                                            26
                                                                              2(
                                                                                 10
                                                                                   -3/
                                                                                      8")               ")
                                                                                                   5-1/4
                                                                                                2(
                                                                                              13


    Specifications
                                                                  Continuous Rating (W)       Max.
      Voltage (V)       Current (A)         Cycle (Hz)
                                                                 Input          Output      Output(W)
           100               6.8              50/60               650             200          640
           120               5.6              50/60               650             200          640
           220               3.0              50/60               650             200          640
           230               3.0              50/60               650             200          640
           240               2.9              50/60               650             200          640

     Belt speed       9910                270m/min (900ft/min)
                      9911                75-270m/min (250-900ft/min)
     Belt size                            76mm(3") x 457mm(18")
     Net weight                           2.6Kg(5.7lbs)
     Cord length                          2.5m(8.2ft)


    Standard equipment
     Dust Bag ------------------------------1 pc.
     Abrasive Belt AA80-----------------1 pc. (Model 9910)
     Abrasive Belt AA60, 100,150 -----1 pc. (Model 9911)
      The standard equipment may differ from country to country.


    Optional accessories
     Abrasive Belt AA40, 60,80, 100,150,180,240
     Clamp Complete
     Hose Complete 28-1.5
     Hose Complete 28-3.0

    Features and benefits
     1.   Double insulated
     2.   See the sheets attached for more information.




     The standard equipment for the tools shown may differ from country to country.
                                             Very quiet
 Highest capacity
 at sanding




                                                                       Variable speed control by dial
                                                                       for operator needs
                                                                       (Model 9911 only)




                             Convenient design            Self tracking system
                             for flush sanding            Abrasive belt always runs on the right position
                                                          without adjusting.




Flat top
    Tool can be attached to the table
    by Clamp Complete(optional accessory).




      Clamp Complate
Repair                                                              Housing R

(1) Replacing of armature
    1) Loosen the tapping screw PT4 x25 for mounting the
        housing R to remove the housing R, and the fan 60 for
        cooling the motor will be exposed.

    2)   Loosen the tapping screw PT4 x25 for mounting the belt
         cover to remove the belt cover.

    3)   Disconnect the holder cap and then remove the carbon                                 Fan 60
                                                                       Tapping screw
         brush.                                                        PT4x25(7 pieces)

    4)   Remove the synchro belt 6-300 and steel plate.




                                                                  Tapping screw
                                                                  PT4x25(4 pieces)    Belt cover
                                                                                          Fan 68
    5)   Turn the fan 68 in clock wise direction to remove                                         Scroll plate
         it while fixing the fan 60 for cooling the motor.
           (Note) Since the fan 68 is mounted with anti-clock wise
                   screw, turn in clock wise to remove.
                                                                                                                  Carbon brush

                                                                     Steel plate
    6)   Remove the scroll plate.
                                                                     Synchro belt 6-300
                                                                                                                  Holder cap

    7)   Use the resin hammer to slightly hammer the armature shaft from the commutator side to
         disconnect the armature.



(2) Disassembling of gear
    1) In the same manner as replacing of armature, remove the housing R, belt cover and synchro belt 6-300.

    2)   Remove the shoe, and the driving roller will be exposed.                                            Bracket

                                                                                                                  Driving roller
    3)   Use the spanner 10 to fix the hexagon point of pulley
         8.5-45.1 and turn the driving roller in the direction
         whereby anti-clock wise screw can be loosened, and
                                                                                                                  Ball bearing 626
         either of the pulley 8.5-45.1 or driving roller is
         loosened and then removed.
                                                                     Pulley 8.5-45.1
                                                                                                          Hexagon point
                                                                                       Spanner 10




    4-A) If the pulley 8.5-45.1 has been successfully removed,
                                                                                                                  Driving roller
         A-a) Loosen the 4 pieces of tapping screw PT4x25 for
               mounting the bracket to remove the bracket.

         A-b) Insert the lock nut wrench 20 through the two                                                        Ball bearing 626
              holes on the helical gear 31, fix the helical gear      Lock nut
              31, and then turn the driving roller in a direction     wrench 20
                                                                                                     Two holes on the
              whereby the left-handed screw can be loosened.                                         helical gear 31

         A-c) If the ball bearing 626 and driving roller have been successfully removed, use the resin hammer to
              slightly hammer the helical gear 31 complete from the direction of ball bearing 626 mounting side to
              remove the helical gear 31 complete.

    4-B) If the driving roller has been loosened and successfully removed along with the ball bearing 626,
         B-a) Set the spanner 10 on the hexagon point of pulley 8.5-
               45.1, insert the spanner 7 in the two faces on driving                                  Driving shaft
               shaft, and then turn them in the direction whereby the                                         Two faces
               right-handed screw can be loosened, and the pulley
               8.5-45.1 can be removed.

         B-b) Loosen the 4 pieces of tapping screw PT4x25 for             Pulley 8.5-45.1                     Spanner 7
              mounting the bracket to remove the bracket.                                               Hexagon point
                                                                                   Spanner 10
         B-c) Use the resin hammer to slightly hammer the helical gear 31 complete from the direction of ball
              bearing 626 mounting side to remove the helical gear 31 complete.
                                                                                         Air gun
(3) Assembling of the rubber sleeve 29
    1) Insert the rubber sleeve 29 into the outer circumference
        of the driving roller by hands as far as possible.            Rubber sleeve 29

    2)   Push the rubber sleeve 29 and insert it while floating the
         rubber sleeve 29 by blowing the air into the clearance
         between rubber sleeve 29 and driving roller using the air
         gun.                                                         Driving roller
Circuit     drawing
M990                                                                                               Field
                           Switch
    Cab tire cord                                                                Black
      P1               3        2




                                                                                 Black
       P2




                                     Capasitor
9910
                                                                                                   Field
                           Switch
    Cab tire cord                                                                Black
      P1               2        1


       P2              4        3




                                                                                 Black
                                     Capasitor


The condenser is not used in some areas.

9911
<100V area>                                                                                        Field
                            Switch
   Cab tire cord                                 Black                           Black
     P1                3        2



                                                                        Terminal
                                                                        board

                                                                                 Black
       P2
                                                                        Yellow
            Connector                               Blue
            at closed end                                                           Heat slinger
                                     Capasitor
                                               Black

                                                                                                   Field
                           Switch                          Controller
    Cab tire cord                                Black                           Black
      P1               2        1

                                                             1   2
       P1              4        3

                                                           Controller

                                                                                 Black
                                     Capasitor


The condenser is not used in some areas.



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