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370406 F103104A
21. TROUBLESHOOTING
The following table illustrates some problems which may arise during operation.
ENGINE
FAULT CAUSE MEASURES TO BE TAKEN
Engine sluggish at switch on 1. accelerator not in start-up
position
2. Choke not closed
3. Petrol does not arrive
4. Air bubbles or water inside
the petrol lines
5. Thick oil prevents rotation
6. Winding or start
mechanism faulty
7. Spark plug in poor
condition
1. move the accelerator to the
intermediate position
2. Close the choke when cold.
3. Check the fuel tank and
remove any water or
sediment.. Make sure that
the feed cock is open.
4. Check the lines and bands.
Repair or replace if
damaged
5. Use oil with a viscosity
suited to the temperature
6. Replace winding or start
mechanism
7. Clean or replace spark
plug. Adjust the distance
between the electrodes.
Poor power 1. No fuel
2. Air filter blocked
3. Elastic bands worn
1. refill tank with petrol
2. clean air filter
3. replace elastic bands
Engine stalls 1. no fuel
2. feed cock shut off
1.
refill tank with petrol
2.
open feed cock
Exhaust fumes dark 1. low grade fuel
2. too much engine oil
1. replace with high grade
fuel
2. restore engine oil to correct
level
Engine emits black smoke and
power is poor
1. air filter blocked
2. choke not fully opened
1. clean air filter
2. open the choke completely
Exhaust fumes bluish 1. too much engine oil
2. elastic bands worn
1. restore engine oil to correct
level
2. replace elastic bands
Silencer becomes red through
overheating
1.
ir filater blocked
2.
Inside of self-winding
starter blocked with grass
cuttings
1.
clean air filter
2.
clean self-winding starter
housing
For any problems not easily resolved or in case of doubt you are advised to contact
your dealer.
FAULT CAUSE MEASURES TO BE TAKEN
Belt slips 1. Belt tension inadequate
2. Too great a working depth
3. Belt worn
1. Adjust the belt tension
2. Reduce the working depth
3. Replace belt
Machine vibrates excessively 1. Belt damaged
2. Blade bent or broken
1. Replace belt
2. Replace blade
Engine overloads during work
operations
1. Engine speed too low.
2. Blade worn
3. Forward speed too high
4. Too great a working depth
1. Accelerate to maximum
2. Replace blade
3. Decrease the forward
speed
4. Reduce the working depth