Stiga TRE 224, Workshop Manual

Page: 52 / 55

page 52
Release 00 - 03/2018
Engine TRE 224
Workshop Manual
16. TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The engine does not start or
starts badly
Coil earth connection
Check electrical cabling of earth wire
[ 11.2]
Earth wire is flattened
Replace earth wire [ 11.2]
No earth
Check electrical cabling of earth wire
[ 11.1]
The coil is faulty and does not supply
current or the air gap is too large
Check coil [ 11.2]
Carburettor dirty
Check and clean the carburettor
[ 8.1]
Poor seal of carburettor needle valve
Clean the carburettor housing and
needle valve [ 8.1] or replace
the carburettor [ 8.2]
The spark plug is badly connected
or faulty
Check spark [ 11.1] or replace
spark plug
Blocked air filter
Execute the filter cleaning [ 7.1]
Fouling in the combustion chamber Dismount the cylinder head and re-
move fouling [ 14.3]
Insufficient pressure
Check tightness of cylinder head
screws, replace washer if necessary.
Check wear and tear of the piston
rings [ 15.3]
AUTO-CHOKE malfunction
AUTO-CHOKE check and/or replace-
ment [ 10.1]
No power supply to battery
Check the alternator [ 14.6]
Starting motor short circuit (burnt rotor
and stator)
Replace starting motor
[ 6.1]
The engine starts but does
not run
Fouling in the combustion chamber Dismount the cylinder head and re-
move fouling [ 14.3]
Insufficient pressure
Check tightness of cylinder head
screws, replace washer if necessary.
Check wear and tear of the piston
rings [ 15.3]
Exhaust is blocked
Check that there is airflow through
the exhaust system and replace if
necessary [ 13.1]
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