Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA 6918D-TE

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
6918D-TE


>> Download 6918D-TE documenatation <<

Text preview - extract from the document
T       ECHNICAL INFORMATION
      Models No.             6918D
                                                                                                              PRODUCT
                                                                                                                   P1/5

      Description                                                                                       L
                             Cordless Impact Wrench

CONCEPTION AND MAIN APPLICATIONS
Model 6918D is powered by 12V battery, and features
12.7mm(1/2") square drive with powerful max. torque at 120N.m.
And more handy and compact.
The variations of this model are as follows.
                                                                                      H
                                                                Plastic
     Model No.               Battery                 Charger Carrying Case
   6918DWA         1222 /1 pc.  Ni-Cd, 2.0Ah         DC1411       Yes
                                                                                              W
   6918DWAE        1222 /2 pcs. Ni-Cd, 2.0Ah         DC1411       Yes
   6918DWD         1234 /1 pc.  Ni-MH, 2.6Ah         DC1411       Yes
   6918DWDE        1234 /2 pcs. Ni-MH, 2.6Ah         DC1411       Yes                               Dimensions : mm ( " )
   6918DWF         1235 /1 pc.  Ni-MH, 3.0Ah         DC1411       Yes                          Width ( W )   94 (3-11/16)
   6918DWFE        1235 /2 pcs. Ni-MH, 3.0Ah         DC1411       Yes                          Height ( H ) 231(9-1/8)
                                                                                               Length ( L ) 176 (6-15/16)
                   Ni-Cd; Nickel Cadmium battery
                   Ni-MH; Nickel-Metal Hydride battery



   Specification
               Voltage (V)                           D/C 12 V
      No load speed (min-1=rpm)                          0 - 2,300
      Impact per minute (min-1=bpm)                      0 - 3,000
      Square drive : mm ( " )                        12.7 (1/2)
                 Standard bolt                 M8 - M14 (5/16" - 9/16")
      Capacities
                 High Tensile bolt             M6 - M12 (1/4" - 1/2")
      Max. fastening torque                    120N.m (1,220kgf.cm, 1,060 in.lbs)
      Overall length: mm (")                          176 (6-15/16)
      Net weight: kg (lbs)                              1.6 (3.5 lbs)


   Standard equipment
       Socket 19 - 38 ................................. 1 pc.
       Pin 4 ............................................... 1 pc.
       O ring 24 ........................................ 1 pc. ( Except USA, Canada, Mexico)
       Battery cover .................................. 1 pc. (for 6918DWA, 6918DWD, 6918DWF)
       Battery cover .................................. 2 pcs.(for 6918DWAE, 6918DWDE, 6918DWFE)

     < Note > The standard equipment for the tool shown may differ from country to country.



   Optional      accessories
       Various sockets                 Fast charger DC1439
       Battery 1200                    Charger DC11411
       Battery 1202                    Charger DC1801
       Battery 1202A                   Automotive charger DC1422
       Battery 1220
       Battery 1222
       Battery 1233
       Battery 1234
       Battery 1235
Features      and benefits                                                                              P2/5

 Powerful, Max. Torque
       6918D 120N.m (1,064in.lbs)

 The Lightest Weight in this class
       6918D 1.6kg (3.5lbs)

  The Shortest Overall Length in this class
        6918D 176mm (6-15/16")
                                                                Brand-new "type D28" Motor
                                                                Lighter and smaller than existing "type D31".
                                                                With highly efficient cooling system and
 Magnesium Alloy Hammer Case                                    externally accessible brushes.




                                                                             Push Button for Reversing

  Variable Speed Control Switch                                           Palm-fitly, Soft Grip


Set plate can be attached
to this machine for the
battery without push button.
* The set plate is an optional accessory.

                                                             Shoulder Strap Available(Optional)




Comparison         of products

                     Model                 12V
                                     MAKITA                 Competitor A
    Specification
                               6918D        6911HD           Model A
   Square drive : mm (inch)   12.7 (1/2)   12.7 (1/2)         12.7 (1/2)
   No load speed(min-1=rpm) 0 ~ 2,300      0 ~ 1,800         0 ~ 2,200
      Impact per minute      0 ~ 3,000     0 ~ 2,500         0 ~ 3,000
      Max. torque (N.m)         120           120                120
                            (1,064in.lbs) (1,064in.lbs)     (1,064in.lbs)
     Externally accessible
     brushes                   YES             NO               YES
   Overall length: mm (inch) 176 (6-15/16)    221 (8-3/4)   181 (7-1/8)
     Net weight : kg (lbs)        1.6 (3.5)    1.8 (4.0)      1.7 (3.7)
     Standard equipment         Socket 19     Socket 19       Socket 19

    < Note > The standard equipment for the tool shown may be differ from country to country.
Repair                                                                                                            P3/5
 < 1 > Removing housing R and L
      Remove hammer case from housing R and L.
      And then, housing R and L can be removed.


 < 2 > Removing hammer
        (1) Press down hammer with 1R045: Large gear extractor
           by turning the handle.

       (2)Adjust the opening for steel ball inserting to the cam groove top of spindle.
                                                                                                        Spindle
       (3)Take off steel ball 5.6 from spindle.                        Cam groove top
       < Note > 25 steel ball 3.5s are installed in hammer.            of spindle
                Check the quantity when assembling.


                                                        Steel ball 5.6 x 2

    1R045 Large gear extractor
                                                                                                                  Hammer
                                                              Opening for steel
                                                              ball inserting


                                                       Steel ball 3.5 x 25
                                           L
                                                                (4) Spur gear 22
       L= 85mm
       L=105mm
       L=130mm

                                         W
                   W: The maximum opening width
                     is 170mm.


                                                          Fig. 1




         (4) Apply MAKITA grease N No.2 to the position No. 1, 2,
            3 and 4, when assembling.                                                     (1) Spindle
                                     (3) Steel ball 5.6 x 2
                                                                                                Hammer
                                    (2) Steel ball 3.5 x 25




                                                                                           (4) Spur gear 22

                                                          Fig. 2
Repair                                                                                                   P4/5

< 3 > Removing ball bearing 6901LLB

                                       Internal gear case




                                                                                       Ball bearing 6901LLB




        Give a shock by knocking internal gear case              Ball bearing 6901LLB can be removed
        on the table.                                            from internal gear case by the shock.


                                                        Fig. 3




Circuit   diagram



                                                                 FET
                                                                 (Field Efect Transistor)

                                                       Red

                Brush holder

                                                                    M2     M1
                                          Black


                                                                      Switch
Wiring     diagram                                                                                         P5/5
 Pass the lead wires as illustrated in Fig.4.


                                                FET
                                                (Field Effective Transistor)

                                                                    Lead wire (Black) to be
                                                                    connected to switch has to be passed
                                                                    under the lead wire (Red).
                                                                               Lead wire (Red) to be
                                                                               connected to switch




                                                             Rib
                             FET lied wires




                                                   Fig.4



◦ Jabse Service Manual Search 2022 ◦ Jabse PravopisonTap.bg ◦ Other service manual resources online : FixyaeServiceinfo