Filter
Top Products
30
Troubleshooting
Malfunction System Observation Cause
Cutting disc does not
start turning Clutch Engine runs Damage to clutch
Cutting disc runs in idle Carburetor, Cutting disc runs Incorrect idle speed,
clutch blocked clutch
Engine does not start or Ignition system Ignition spark Malfunction in fuel supply system, com-
only with difculty pression system, mechanical malfunction.
No ignition spark Switch on STOP, fault or short-circuit in the
wiring, plug cap or spark plug defective.
Fuel supply Fuel tank is lled Choke in wrong 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 difculties 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, STOP switch defective.
Decompression valve dirty
Insufcient power Several systems Engine is idling Air lter dirty, wrong carburetor adjustment,
may be involved mufer clogged, exhaust channel in cylinder
simultaneously clogged, spark arrester screen clogged.