Maintenance - Hitachi CH 22EAP2 Manual De Instrucciones

English
○ The throttle lever cannot be engaged if the handle
is not secured (the lock lever is pressed).
To rotate the handle; push the lock lever (6)
allowing the handle to turn. Rotate the handle to
the desired 0°, 45° or 90° locking position and
release the lock lever (6) to lock the handle in
place.
D: LOCK
E: UNLOCK
E
6
D
Stopping (Fig. 8)
Decrease engine speed, and push stop switch to stop
position (F).
F
NOTE
If the engine does not stop, it can be forced to
stop by rotating the choke lever to the choked
position. Before restarting the engine, ask Hitachi
Authorized Service Centers for repairs.

MAINTENANCE

MAINTENANCE, REPLACEMENT OR REPAIR OF
THE EMISSION CONTROL DEVICES AND SYSTEM
MAY BE PERFORMED BY ANY NONROAD ENGINE
REPAIR ESTABLISHMENT OR INDIVIDUAL.
Carburetor adjustment (Fig. 9)
WARNING
● The cutting attachment may be spinning
during carburetor adjustments.
● Never start the engine without the complete
clutch cover. Otherwise the clutch can come
loose and cause personal injuries.
8
Fig. 7
2
Fig. 8
In the carburetor, fuel is mixed with air. When the
engine is test run at the factory, the carburetor is
adjusted. A further adjustment may be required,
according to climate and altitude. The carburetor has
one adjustment possibility:
T = Idle speed adjustment screw.
Idle speed adjustment (T)
Check that the air fi lter is clean. When the idle speed
is correct, the cutting attachment will not rotate. If
adjustment is required, close (clockwise) the T-screw,
with the engine running, until the cutting attachment
starts to rotate. Open (counter-clockwise) the screw
until the cutting attachment stops. You have reached
the correct idle speed when the engine runs smoothly
in all positions well below the rpm when the cutting
attachment starts to rotate.
If the cutting attachment still rotates after idle speed
adjustment, contact Hitachi dealer.
Air fi lter (Fig. 10)
The air fi lter must be cleaned from dust and dirt in
order to avoid:
○ Carburetor malfunctions.
○ Starting problems.
○ Engine power reduction.
○ Unnecessary wear on the engine parts.
○ Abnormal fuel consumption.
Clean the air fi lter daily or more often if working in
exceptionally dusty areas.
Cleaning the air fi lter
Remove the cleaner cover and the fi lter. Rinse it in
warm soap suds. Check that the fi lter is dry before
reassembly. An air fi lter that has been used for some
T
Fig. 9
Fig. 10