32
9. Trouble shooting
Malfunction
System
Observation
Cause
Chain does not run
Chain brake
Engine runs
Chain brake actuated.
Engine does not start or
only with difficulty
Ignition system
Ignition spark
Malfunction in fuel supply system,
compression system, mechanical malfunction.
No ignition spark
STOP switch in position, fault or short‑
circuit in the wiring, Spark plug cap or spark
plug defective
Fuel supply
Fuel tank is filled
Combination switch in Choke position,
carburetor defective, suction head dirty, fuel
line bent or interrupted.
Compression
system
Inside
Cylinder base packing ring defective, radial
shaft packings defective, cylinder or piston
rings defective
Outside
Spark plug does not seal.
Mechanical
malfunction
Starter does not engage
Spring in starter broken, broken parts inside
the engine.
Warm start difficulties
Carburetor
Fuel tank is filled
Ignition spark
Wrong carburetor adjustment.
Engine starts, but dies
immediately
Fuel supply
Fuel tank is filled
Wrong idling adjustment, suction head or
carburetor dirty.
Tank venting defective, fuel line interrupted,
cable defective, Combination switch defective
Insufficient power
Several systems
may be involved
simultaneously
Engine is idling
Air filter dirty, wrong carburetor adjustment,
muffler clogged, exhaust channel in cylinder
clogged, spark arrester screen clogged.
No chain lubrication
Oil tank/pump
No oil on the chain
Oil tank empty.
Oil guide groove dirty.
Oil‑pump adjusting screw incorrectly adjusted.
Содержание EA3201 SERIES
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