P 3 / 8
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Hammer Case Complete
Fig. 3
Fig. 4
Fig. 5
DISASSEMBLING
Note: You need not remove the Bit holder section
1) Remove PT3x10 Tapping screw, and pull LED circuit out of Housing. Remove Stopper by removing PT3x16
Tapping screw. Then remove Bumper from Hammer case complete. (Fig. 3)
2) Fix the machine in vise, and remove Hammer case complete by turning clockwise with three repair tools
as illustrated in Fig. 4.
3) The machine can now be disassembled as illustrated in Fig. 5.
[3] -1. Bit Holder Section
DISASSEMBLING
See Fig. 2.
1) Remove Ring spring 11 from the groove on Anvil M
using Retaining ring S and R pliers (No.1R291).
2) Now the following parts can be removed from Anvil M:
Flat washer 12, Compression spring 13,
Sleeve, Steel ball 3.5 (2pcs)
ASSEMBLING
Do the reverse of the disassembling steps.
Note: Before putting Sleeve through Anvil, apply grease
to Anvil as described in [2] LUBRICATION.
Torque wrench shaft 20-90N.m
(No.1R223)
Ratchet head 12.7
(No.1R224)
Socket 30-78
(No.134847-1)
Hammer case comp.
Fig. 2
Ring spring 11
Flat washer 12
Compression spring 13
Anvil
Steel ball 3.5 (2pcs)
Sleeve
groove
Tapping screw PT3x10
Tapping screw
PT3x16
LED circuit
of Switch unit
Stopper
Bumper
Fit Socket 30-78
to the hex portion
of Hammer case
complete.
Hammer case comp.
Ring 41
Internal gear 51
Internal gear case
O ring 46
Assembly of Anvil
and Bit holder section
Hammer mechanism
