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6
ASSEMBLY PROCEDURES
WARNING
Never try to start engine without side case securely fastened.
1. Remove chain bar clamp nuts (1).
2. Remove the side case (2) as pinching the rear part of the side
case (2). (Fig. 1)
2
1
Fig. 1
* In case of installing the spiked bumper (3), install the spiked
bumper (3) to the unit with two screws. (Fig. 2)
3
Fig. 2
3. Install the chain bar (4) onto the bolts (5), then push it toward the
sprocket (6) as far as it will go. Make sure that the boss of chain
tension adjust bolt (7) fi ts into the hole of the bar (8). (Fig. 3)
6
4
78 5
Fig. 3
NOTE
Slightly move the bar back and forth and make sure the chain
tension boss (7) fi ts into the hole (8) in the bar properly. (Fig. 3)
4. Confi rm the direction of saw chain (9) is correct as in the fi gure,
and align the chain on the sprocket.
(Fig. 4)
9
Fig. 4
11
5. Guide the chain drive links into the bar groove all around the
bar.
6. Install the side case (2) onto the bolts (5).
Then tighten the clamp nuts (1) temporarily.
(
Fig. 1
)
7. Raise the bar end, and tighten the chain (9) by turning the tension
adjustment bolt (10) clockwise. To check proper tension, lightly
lift up the center of chain and there should be about 0.5 – 1.0 mm
clearance between bar and edge of drive link (11). (Fig. 5)
Fig. 5
CAUTION
PROPER TENSION IS EXTREMELY IMPORTANT
8. Raise the bar end and securely tighten the chain bar clamp nuts
with the combi box spanner. (Fig. 6)
Fig. 6
9. A new chain will stretch so adjust the chain after a few cuts and
watch chain tension carefully for the fi rst half hour of cutting.
NOTE
Check the chain tension frequently for optimum performance
and durability.
CAUTION
○ When the chain is excessively tightened, the bar and chain will
be
damaged rapidly. Conversely, when the chain is excessively
loosened, it may get out of the groove in the bar.
○ Always wear gloves when touching the chain.
WARNING
During operation, hold chain saw fi rmly with both hands. A single
hand operation may cause serious injury.
OPERATING PROCEDURES
Fuel (Fig. 7)
WARNING
○ The chain saw is equipped with a two-stroke engine. Always
run the engine on fuel, which is mixed with oil. Provide good
ventilation, when fueling or handling fuel.
0.5
-
1.0 mm
11
10
9