Dolmar PC-7435 Saw User Manual


 
31
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
V-belt Belt has insufcient tension, V-belt is worn
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 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 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, STOP switch defective.
Decompression valve dirty
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.
Guarantee
DOLMAR guarantees the highest quality and will therefore reimburse all costs for repair by replacement of damaged parts resulting
from material or production faults occurring within the guarantee period after purchase. Please note that in some countries particular
guarantee conditions may exist. If you have any questions, please contact your salesman, who is responsible for the guarantee of
the product.
Please note that we cannot accept any responsibility for damage caused by:
Disregard of the instruction manual.
Non-performance of the required maintenance and cleaning.
Incorrect carburetor adjustment.
Normal wear and tear.
Obvious overloading due to permanent exceeding of the upper performance limits.
The use of other than original DOLMAR cutting discs.
Use of force, improper use, misuse or accidents.
Damage from overheating due to dirt on the fan housing.
Work on the Power Cut by unskilled persons or inappropriate repairs.
Use of unsuitable spare parts or parts which are not original DOLMAR parts, insofar as they have caused the damage.
Use of unsuitable or old oil.
Damage related to conditions arising from lease or rent contracts.
Damages caused by disregarding loose outer bolted connections.
Cleaning, servicing and adjustment work is not covered by the guarantee. All repairs covered by the guarantee must be performed
by a DOLMAR service center.
Troubleshooting