Makita EA3502S Original Instruction Manual

30
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 difculty
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 lled 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 difculties Carburetor Fuel tank is lled
Ignition spark
Wrong carburetor adjustment.
Engine starts, but dies
immediately
Fuel supply Fuel tank is lled Wrong idling adjustment, suction head or
carburetor dirty.
Tank venting defective, fuel line interrupted,
cable defective, Combination switch defective.
Insufcient power Several systems
may be involved
simultaneously
Engine is idling Air lter dirty, wrong carburetor adjustment,
mufer 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.

Makita EA3502S Specifications

General

Brand	Makita
Model	EA3502S
Category	Chainsaw
Language	English