Hitachi CS33ET Instruction Manual page 7

Assembly procedures
/i\ 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)
00
Fig. 1
D
* In case of installing the spiked bumper (3), remove the guide
plate A (4) first and install the spiked bumper (3) (if so equipped)
to the unit with two screws, and then install the guide plate A (4)
in place. (Fig.2)
Fig. 2
3. install, the chain bar (5) onto the bolts (6), then push it toward
the sprocket (7) as far as it will go. Make sure that the boss of
chain tension adjust bolt (8) fits into the hole of the bar (9). (Fig. 3)
7 5
9 6
Fig. 3
NOTE!
Slightly move the bar back and forth and make sure the chain
tension boss (8) fits into the hole (9) in the bar properly. (Fig. 3)
4. Confirm the direction of saw chain (10) is correct as in the figure,
and align the chain on the sprocket. (Fig. 4)
Fig. 4
English
5. Guide the chain drive links into the bar groove all around the bar.
6. Install the side case (2) onto the guide bar clamp bolts on the
engine case.
Then fix the clamp nuts temporarily. (Fig. 1)
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
O.O2~O.O4in (O.5.-1.Omm) clearance between bar and edge of
drive link (12). (Fig. 5, 6)
11 10
ram)
Fig. 5
Fig. 6
CAUTION!
PROPERTENSION IS EXTREMELY IMPORTANT!
8. Raise the bar end and securely tighten the chain bar clamp nuts
with the combi box spanner. (Fig. g)
9. A new chain will stretch so adjust the chain after a few cuts and
watch chain tension carefully for the first 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 firmly with both hands, A
single hand operation may cause serious injury.