Hitachi CS 33EB Service Manual page 4

Pull the recoil starter.
Pulling is possible when you
feel a slight compression.
Impossible to pull
OK
Remove the spark plug to
check for sparks. Proceed
when sparks are generated.
No spark
OK
Return the spark plug and plug
cap to the original positions, and
then perform proper startup
operation. Confirm that the tip of
the spark plug becomes wet with
fuel.
Dry
OK
There is compression. There is compression.
No compression
OK
The engine starts, but when
the throttle is pulled ...
The engine stalls
OK
Repair flowchart
Broken piston ring
Seized piston or cylinder
Broken connecting rod needle bearing
Seized ball bearing
Magneto rotor contact with ignition coil
Broken starter
Faulty starter pawl
Stop switch not in the startup position
Dirty or faulty spark plug
Disconnected or improperly connected
high voltage cord and other wiring
Ground connection of the high voltage
cord and other wiring
Disconnected or faulty ignition coil
Excessive gap between magneto rotor
circumference and ignition coil
Clogged fuel filter
Cracked fuel pipe
Faulty tank vent hole (check valve)
Faulty pump diaphragm of the carburetor Replacement
Dirt clogging the carburetor
Faulty piston ring
Worn piston ring
Worn piston
Worn or damaged oil seal
Clogged fuel filter
Inadequate warm-up, especially in cold
weather
-3-
Replacement
Replacement
Replacement
Replacement
Adjustment
Inspection/replacement
Inspection/replacement
Setting to the startup
position
Cleaning/inspection
Inspection
Inspection
Replacement
Adjustment
Cleaning/replacement
Replacement
Replacement
Cleaning
Cleaning/replacement
Replacement
Replacement
Replacement
Cleaning
Warm-up