P
8
/ 1
6
(1) Remove Sprocket guard, Guide bar and Saw chain from the machine.
(2) Remove “Recoil starter section”. See
[2]-7.
(3) Remove Spark plug and set 1R372 into the hole for Spark plug to prevent Crank shaft from being turned together with
M8x1 Hex nut in the next step.
(4) Remove M8x1 Hex nut by turning it counterclockwise with Socket wrench, and then remove Spring washer 8. (
Fig. 19
)
(5) While holding the machine by hand or securing it on workbench with soft cloths seated on, tap Crank shaft end with 1R090.
Flywheel is removed from the taper portion of Crank shaft by the shock. (
Fig. 20
)
Fig. 19
Fig. 20
R
epair
DISASSEMBLING
[2] DISASSEMBLY/ ASSEMBLY
[2]-7. Recoil starter section
Socket wrench
Flywheel complete
M8x1 Hex nut
Spring washer 8
(between M8x1
Hex nut and
Flywheel complete)
1R090
Hold the machine.
Refer to
Figs. 17 and 18
for the mechanism of Recoil starter section.
(1) Remove three 5.5x16 Hexalobular tapping screws and Housing of
Starter complete. (
Fig. 17
)
(2) Remove Air guide plate. and then loosen the force of Rewind spring
as follows:
After making the slack of rope between Starter grip and Reel,
put the slack into the groove of Reel and pull the starter grip lightly.
Note
: Be sure to loosen the spring force before the step (3).
(3) Remove 5x12 Tapping screw, and then separate Cam plate and Torsion
spring 20 from the center pin of Housing.
(4) Remove Reel from the center pin of Housing.
(5) Remove Rewind spring set from Housing by rotating Housing carefully.
Note
: Rewind spring may pop out of Housing, and therefore, wear goggles
for eye protection and gloves.
If Rewind spring has popped out, reset it in Spring cassette.
Refer to “Rewind spring set” in
Fig. 18
.
DISASSEMBLING
Fig. 18
(The components of Starter complete)
Fig. 17
Air guide plate
5x12 Tapping screw
Cam plate
Reel
Rewind
spring
Rewind spring set
(factory-assembled)
(Housing of Starter
complete)
Housing of
Starter complete
Square washer 4
Starter rope
Center pin of
Housing
Starter grip
Spring
cassette
Torsion spring 20
5.5x16 Hexalobular tapping screw (4 pcs.)
[2]-8. Flywheel
Set Flywheel to the taper of Crank shaft, and place Spring washer 8. Then, tighten M8x1 Hex nut to fastening torque
20 ± 5 N·m.
Note
: The taper portion of Crankshaft must always be degreased before assembly.
ASSEMBLING
