Dolmar PC-6430 Manuel D’Utilisation

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Troubleshooting
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.
Cleaning, servicing and adjustment work is not covered by the guarantee. All repairs covered by the guarantee must be performed 
by a DOLMAR service centre.
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 difficulty 
 
 
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 filled 
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 difficulties 
Carburetor 
Fuel tank is filled 
Wrong carburetor adjustment. 
 
 
 
 
 
Ignition spark
Engine starts, but 
Fuel supply 
Fuel tank is filled 
Wrong idling adjustment, suction head or 
 
dies immediately 
 
 
carburetor dirty. 
 
 
 
 
 
 
 
Tank venting defective, fuel line interrupted, 
 
 
 
 
cable defective, STOP switch defective.  
 
 
 
 
Decompression valve dirty
Insufficient power 
Several systems 
Engine is idling 
Air filter dirty, wrong carburetor adjustment, 
 
 
may be involved 
 
muffler clogged, exhaust channel in cylinder    
 
simultaneously 
 
clogged, spark arrester screen clogged.