Hitachi CS 33EA Technical Data And Service Manual page 13

Pulling the throttle lever
increases the speed.
High speed unavailable
OK
When the revolutions increase
...
Revolutions fluctuate
OK
Starts up, and when idling Starts up, and when idling Starts up, and when idling Starts up, and when idling
mode is set ... mode is set ... mode is set ... mode is set ...
The engine stalls
OK
Starts up, and when idling When the speed rapidly Starts up, and when idling Starts up, and when idling
mode is set ... mode is set ... decelerates from high speed ... mode is set ...
The engine stalls
OK
Starts up, and when idling Starts up, and when idling Starts up, and when idling When the product is tilted
mode is set ... mode is set ... mode is set ... during idling ...
The engine stalls
OK
Starts up, and when idling Starts up, and when idling Starts up, and when idling The chain blades start rotating
mode is set ... mode is set ... mode is set ... during idling.
Starts rotating
Clogged cylinder exhaust port or
carbon clogging the muffler
Clogged air cleaner
The chain brake is on.
Dirt clogging the carburetor
high-speed fuel line
Faulty carburetor pump diaphragm
Air intake from the gasket portions
Revolutions too low for idling
Revolutions too low for idling
Revolutions too low for idling
Revolutions too high for idling
Worn or faulty clutch
-10-
Cleaning
Cleaning
Release
Cleaning
Replacement
Inspection
Adjustment
Adjustment
Adjustment
Adjustment
Inspection/replacement