Makita BTW074 User Manual

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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. 

(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

ASSEMBLING