P 13/ 19
R
epair
[5] DISASSEMBLY/ASSEMBLY
[5] -6. Gear Section in Crank Housing Complete
DISASSEMBLING
Change lever
Rotary hammer
mode mark on
Crank cap cover
Triangle mark
on Crank cap
Triangle mark
on Change lever
Fig. 26A
1) Disassemble Handle Section. (
Fig. 5
) And then, disassemble Chuck Section (
Fig. 6
)
2) Remove Crank housing cover and Barrel complete together with Cylinder section. (
Fig. 7
)
3) Set Change lever to Rotary hammer mode as illustrated in
Fig. 26
. Remove Crank cap cover. (
Fig. 15
)
4) Disassemble Active Dynamic Vibration Absorber. (
Fig. 16
)
5) Remove Rear cover from Motor housing. (
Fig. 20
)
6) Disconnect the contact between Carbon brush and Commutator. (
Fig. 22
)
7) Separate Crank housing complete from Motor housing. (
Fig. 23
)
8) If it is omitted to set Change lever to Rotary Hammer Mode in removing Crank cap cover, set Change lever as
illustrated in
Fig. 26A.
9) Disassemble the remaining parts as illustrated in
Figs 27 and 28.
Set Change lever to Rotary hammer mode.
If Crank cap is already removed, align the triangle mark
on Change lever with that on Crank cap.
Fig. 26
Fig. 27
Note
: When disassembling Crank cap,
do not move Change lever from
the position illustrated in
Fig. 26A
.
Remove Crank cap by unscrewing
M4x16 Pan head screws. And then,
remove Link plate.
M4x16 Pan head screw: 5 pcs.
Crank cap
Seal ring B
Link plate
Link arm
Torque limiter
section
If
Torque Limiter Section
is left in Crank
housing complete in the step of
Fig. 28
,
disassemble it.
Otherwise, it is impossible to remove
Spiral bevel gear 37.
Spiral bevel gear 37 and Link arm
can be removed.
Spiral bevel gear 37
Piston and Crank at the dead
point on Striker side
Set Crank and Piston to the
dead point on Striker side.
Remove Air pipe.
Crank
Because Cylinder 25 has been already
removed, Connecting rod can be easily
disassembled from Pin of Crank shaft.
Now pull out Piston from Crank
housing complete.
Piston
Connecting rod of Piston
Striker
side
Connecting rod
Air pipe
Fig. 28
