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[3] DISASSEMBLY/ASSEMBLY

[3] -4. Bit holder section,  Anvil

Fig. 12

DISASSEMBLING

(1) Loosen four M4x22 Pan head screws and separate Hammer case complete from Housing set.

     See the drawing on the upper left in 

Fig. 3

.

(2) Remove Ring spring 7 as drawn in 

Fig. 12

. And then, remove Anvil as drawn in 

Fig. 13

.

      *For Anvil without Ring spring 7, Anvil can be removed as drawn in 

Fig. 13 

skipping 

Fig. 12

Fig. 13

(1) Pass Anvil through Nylon Washer 14 and mount them to Hammer case complete. Refer to 

Fig. 13

.

      *For Anvil without Ring spring 7, Hammer case section can be assembled to Housing set. Refer to 

Fig. 3

.

(2) To stabilize Anvil in the position where Ring spring 7 can be assembled easily, set Hammer case complete

      on 1R232. Refer to the drawing on the left in 

Fig. 12

.

(3) Assemble Ring spring 7 as drawn in 

Fig. 14

.

Anvil and Nylon washer 14 are removed from 

Hammer case complete.

Anvil

Nylon Washer 14

Hammer Case Complete

1R232

Ring spring 7 

Use 1R232 for stabilizing Anvil in the position  

where Ring spring 7 can be removed easily. 

Remove Ring spring 7 with 1R004.

Ring spring 7 

1R004

Anvil 

Anvil 

1. Aligning the cut of Ring 

    spring 7 with the groove

    on Anvil, push the opposite 

    side of the cut portion

    with pliers.

2. The mounted Ring

    spring 7 is widened

    by just fitting it. 

    So fasten it with pliers

    as shown below.

1R222

9.5 mm

3. For final adjustment, repeatedly

    attach and detach a 9.5 mm square

    socket such as 1R222 to/from Anvil

    to fit Ring spring 7 into the groove

    on Anvil.

Ring spring 7

Fig. 14

ASSEMBLING

R

epair

 

P  

 8

/ 1

5

Содержание BTW074

Страница 1: ...ge 6 Capacity Ah Cell Voltage V 14 4 0 2 500 0 2 700 0 3 500 65 660 575 4 95 970 841 5 Standard bolt High tensile bolt Driving shank M5 M12 3 16 1 2 M5 M10 3 16 3 8 Yes Yes Yes Yes Yes Yes Electric br...

Страница 2: ...tions designated with the black triangle to protect parts and product from unusual abrasion Item No Description Anvil Drum portion which is accepted by Needle bearing 1412 mounted in Hammer case compl...

Страница 3: ...pression spring and Switch plate complete or Cover complete as shown in Fig 2 Model No Max fastening torque Distinctive Parts BTW073 BTW074 BTW103 BTW104 65 N m 95 N m BTD063 Cover complete white BTD0...

Страница 4: ...f Torsion spring 2 Take out Carbon brushes Then disassemble Armature and Yoke unit from Brush holder 1 Loosen four M4x22 Pan head screws and separate Hammer case complete from Housing set 2 Loosen two...

Страница 5: ...end of Armature into Internal gear case And insert the commutator end of Armature into Brush holder Internal gear case Yoke unit Brush holder Fig 5 Armature Yoke unit Internal gear case Motor section...

Страница 6: ...tails and Spacers as drawn in Fig 9 2 Assemble Switch with F R change lever to Housing set L Prong portion of F R change lever Projection of Switch Pig tails Note Make sure that the loosening of Pig t...

Страница 7: ...Internal gear case as drawn in Fig 3 2 Remove Internal gear case from Armature as drawn on the left in Fig 5 3 Remove Ball bearing 6801LLB from Internal gear case as drawn in Fig 11 Tap Internal gear...

Страница 8: ...ssembled easily set Hammer case complete on 1R232 Refer to the drawing on the left in Fig 12 3 Assemble Ring spring 7 as drawn in Fig 14 Anvil and Nylon washer 14 are removed from Hammer case complete...

Страница 9: ...shown below in Fig 16R and then release it from 1R045 Caution Do not hold Hammer section as shown below in Fig 16F when releasing Hammer section from 1R045 Failure to follow this instruction could cau...

Страница 10: ...mbly procedure Refer to Fig 17 Note for Assembling Before putting Flat washer 24 in Hammer make sure that twenty four Steel balls 3 5 are put in the groove of Hammer as shown in Fig 18 There will appe...

Страница 11: ...to M2 Terminal of Switch Viewed from Housing set L side Viewed from Housing set R side Viewed from Rear side M1 M1 M2 M1 30 5 M2 BTW073 BTW103 without Automatic Impact Stop System BTW073 BTW103 witho...

Страница 12: ...ors in Connector Box A Lead wire holder B Rib F LED Boss Rib E Switch Line filter Route Lead wires connected to Switch between Boss and the inner wall of Housing set L BTW073 BTW103 without Automatic...

Страница 13: ...of lead wires sheath Black Blue Red BTW074 BTW104 equipped with Automatic Impact Stop System Green Gray White Orange Wiring to M1 Terminal of Switch Wiring to M2 Terminal of Switch Viewed from Housing...

Страница 14: ...e of Lead wires blue black red and gray between Rib A and the inner wall of Housing set L Route the bundle of Lead wires blue black red and gray between Rib B and the inner wall of Housing set L Route...

Страница 15: ...set L Boss Be careful not to route any Lead wires on this Rib Route Lead wires of Impact finish indicator lamp between the Ribs Secure lead wires of both Connectors 6 pin with Lead wire holders Impac...

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