P 5 / 8
R
epair
[3] DISASSEMBLY / ASSEMBLY (cont.)
[3]-5. Disassembling/ Assembling Filter in Handle R
[3]-6. Disassembling/ Assembling Motor Section
1) Strike the center of Push nut gently using Phillips screwdriver No.2 (
Fig. 11
),
Push nut can be removed, and Filter can be picked out of chain oil exit of
Handle R.
Note:
Do not deform Push nut hard by strong shock.
2) Try operation without Filter and check if the delivery of oil is normal
or not. If it is normal, there is not problem with Oil pump.
3) Wash Filter with kerosene oil when finding the attached dirt on Filter.
1) Remove Carbon brushes.
2) Remove 4x18 Tapping screws and 4x30 Tapping screws to separate Front hand guard, Handle L and Motor housing
in order. (
Fig. 13
)
3) Pull Armature out of Motor housing.
Note:
It is not needed to remove 4x18 Tapping screws (4 pcs.) for fixing Motor housing R and L when replacing
Armature only.
If Armature is left in Motor housing, grab Fan carefully and remove Armature with Fan from Motor housing.
When replacing Yoke unit or Endbell complete, remove the above 4x18 Tapping screws (4 pcs.) to separate Motor
housing L and R.
The removed Push nut can be reused.
Note:
1) Correct the deformed Push nut so that its concave can be reduced
by striking on 1R034 or solid worktable. (
Fig. 12
)
2) Do not reuse the wrong Push nut that has curved or broken tabs.
Install Filter in chain oil exit of Handle R, and insert Push nut using 1R237.
DISASSEMBLING
DISASSEMBLING
ASSEMBLING
chain oil exit
Push nut
Push nut
Expand its dia-
meter to reduce
the depression.
Phillips
screwdriver No. 2
Fig. 11
Fig. 12
Fig. 13
4x18 Tapping screws
Front hand guard
Front handle
4x18 Tapping screws (4 pcs.)
for fixing Motor housing L and R.
Handle L
Motor housing L
Motor housing
Long-nose screwdriver
is needed to remove
this screw.
4x30 Tapping screws
Motor housing R
