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P 3 / 8
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Disassembling/Assembling Hammering Mechanism
Fig. 3
1) Remove Belt clip by unscrewing Screw M4x12.
Remove Bumper and Hammer case cover by hand,
Remove Rear cover by unscrewing two PT3x16
Tapping screws. (
Fig. 2
)
2) Disconnect Carbon brush from Commutator
as illustrated in
Fig. 3
.
3) Separate Housing (R) from Housing (L) by removing eight PT3x16 Tapping screws.
4) Remove the assembly of Hammer case section and Motor section from Housing (L), and separate Hammer case
section from Motor section.
5) See
Fig. 4
. Attach 1R041 (2 pcs) to vise. Fix 134848-9 in vise securely. Put Hammer case section on 134848-9
while fitting the hexagonal portion of Bearing box complete in 134848-9. Fit another 134848-9 over the hexagonal
portion of Hammer case complete. By turning 134848-9 clockwise with 1R223 and 1R224, the Hammer case section
can be disassembled as illustrated to right.
1
2
A
[Brush holder section (Viewed from A)]
Fig. 4
DISASSEMBLING
Rear cover
Tapping screw
PT3x16 (2 pcs)
Hammer case
Belt clip
Fig. 2
Screw M4x12
Carbon
brush
Carbon
brush
Torsion
spring
1.
Move the tail of Torsion spring
onto the notch of Brush holder.
2.
Then pull off Receptacle from
Brush holder.
Note:
Do the above steps while pushing
Torsion spring in the direction of
the arrow so that it cannot slip
out of position.
Hammer case section
Fit 134848-9 over
this hex portion.
1R041
Vise
134848-9
1R041
Bearing box complete
Internal gear 51
O ring 40
Bearing box complete
Hammering mechanism
Hammer case complete
Hammer case cover
Bumper
1R223
1R224
134848-9