Troubleshooting - Challenge PCS38Z Original Manual

Troubleshooting

General Troubleshooting
CAUTION!
- Always switch off the engine and pull the ignition cable before starting any inspection or
adjustment work.
- If, after making an adjustment or repair to the engine, you let it run for a few minutes,
remember that the exhaust and other parts will get hot. Thus, do not touch parts that emanate
heat, as these may burn you.
The following table provides solutions to common problems encountered with the chainsaw.
Fault
Unit won't start or
starts but will not run
Unit starts, but engine
has low power
Engine hesitates
No power under load 1. Incorrectly gapped spark plug
Runs erratically
Smokes excessively
Poor performance
when operated
Engine dies
Insufficient chain
lubrication (the cutter
rail and chain get hot)
24
Possible Cause
1. Incorrect starting procedures
2. Incorrect carburetor mixture
adjustment setting
3. Fouled spark plug
4. Fuel filter blocked
5. Chain brake is on
1. Incorrect lever position on choke
2. Dirty air filter
3. Incorrect carburetor mixture
adjustment setting
1. Incorrect carburetor mixture
adjustment setting
1. Incorrect carburetor mixture
adjustment setting
1. Incorrect fuel mixture
1. Blunt chain
2. Loose chain
1. Empty petrol tank
2. Fuel filter in the wrong position
in the tank
1. Empty oil tank for the chain
2. Oil lubrication opening blocked
Customer Helpline 01904 727503
www.gardenservicecentre.co.uk
Solution
1. Follow instructions in the User Guide
or refer to the starting procedure check
list on page 14
2. Have carburetor adjusted by an
Authorised Service Centre
3. Clean/gap or replace plug
4. Replace fuel filter
5. Put Chain brake in off position
1. Move to RUN position
2. Remove, clean and reinstall filter
3. Have carburetor adjusted by an
Authorised Service Centre
1. Have carburetor adjusted by an
Authorised Service Centre
1. Clean/gap or replace plug
1. Have carburetor adjusted by an
Authorised Service Centre
1. Use properly mixed fuel (40:1 mix)
1. Sharpen or replace the chain
2. Tension the chain
1. Fill up the petrol tank
2. Completely fill the petrol tank or re-
position the fuel filter in the petrol tank
1. Top up the oil tank for the chain
2. Clean the oil lubrication hole in the
cutter bar (FIG5/Item A)
Clean the groove in the cutter bar