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Trouble shooting

Malfunction System Observation Cause

Chain does not run Chain brake Engine runs Chain brake actuated.

Engine does not start or Ignition system Ignition spark Malfunction in fuel supply system, com-

only with difculty pression system, mechanical malfunction.

No ignition spark STOP switch actuated, fault or short-circuit in

Spark plug cap or spark plug defectivet

Fuel supply Fuel tank is lled Combination switch in Choke position,

carburetor defective, suction head dirty, fuel

line bent or interrupted.

Compression Inside Cylinder base packing ring defective, radial

system shaft packings defective, cylinder or piston

rings defective

Outside Spark plug does not seal.

Mechanical Starter does not engage Spring in starter broken, broken parts

malfunction inside the engine.

Warm start difculties Carburetor Fuel tank is lled Wrong carburetor adjustment.

Ignition spark

Engine starts, but Fuel supply Fuel tank is lled Wrong idling adjustment, suction head or

dies immediately carburetor dirty.

Tank venting defective, fuel line interrupted,

cable defective, Combination switch defective.

Insufcient power Several systems Engine is idling Air lter dirty, wrong carburetor adjustment,

may be involved mufer clogged, exhaust channel in cylinder

simultaneously 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 EA6101P User Manual

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