Assembly Procedures; Operating Procedures - Hitachi CS 33EB Handling Instructions Manual

ASSEMBLY PROCEDURES

WARNING
Never try to start engine without side case, bar and chain
securely fastened.
1. Pull the chain break (15) toward the front handle to check that the
chain brake is disengaged. (Fig. 10)
2. Remove chain bar clamp nuts (2). Remove the side case (3).
(Fig. 2)
* In case of installing the spiked bumper (4), install the spiked
bumper (4) (if so equipped) to the unit with two screws. (Fig. 3)
4
3. Install the chain bar (5) onto the bolts (6), then push it toward the
sprocket (7) as far as it will go. (Fig. 4)
4. Confi rm the direction of saw chain (10) is correct as in the fi gure,
and align the chain on the sprocket. (Fig. 5)
3
2
Fig. 2
Fig. 3
7
5
9
6
8
Fig. 4
10
Fig. 5
5. Guide the chain drive links into the bar groove all around the bar.
6. Install the side case (3) onto the bolts (6).
Make sure that the boss of chain tension adjust bolt (8) fi ts into
the hole of the bar (9). (Fig. 4)
Then tighten the clamp nuts (2) by hand that allows the chain bar
end to move up and down easily. (Fig. 2)
7. Raise the bar end, and tighten the chain (10) by turning the
tension adjustment bolt (11) 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 (12).
(Fig. 6, 7)
11
0.5 – 1 mm
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. 7)
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. 8)
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.
○ Fuel contains highly fl ammable and it is possible to get the
serious personal injury when inhaling or spilling on your body.
Always pay attention when handling fuel. Always have good
ventilation when handling fuel inside building.
10
12
Fig. 6
Fig. 7
7