SWM SM 500 R E4 2018 Manual - Uso - Mantenimiento página 100

TROUBLESHOOTING
The following list is used for troubleshooting and to
find the necessary remedies.
The engine does not start
- the starting procedures are not correctly followed:
follow the instructions given on paragraph "Start-
ing the engine"
- dirty spark plug: clean
- the spark plug does not spark: adjust the elec-
trodes gap
- faulty starter motor: repair or replace;
- faulty start button: replace the switch
The engine has starting troubles
- dirty or worn out spark plug: clean or replace
The engine starts, but it is erratic
- dirty or worn out spark plug: clean or replace
- faulty spark plug electrode gap: adjust;
The spark plug gets easily dirt:
- unfit spark plug: replace
The engine overheats
- the air flow on the radiators is blocked: clean
- Faulty electric fan: replace it
- Insufficient amount of coolant: top up.
EN - 22
The engine lacks power
- dirty air filter: clean
- the spark plug electrode gap is too large: adjust;
- incorrect valve clearance: adjust;
- insufficient compression: check for the cause
The engine knocks
- excessive carbon deposit on the piston crown, or
in the combustion chamber: clean
- faulty spark plug or wrong heat rating: replace
The alternator fails to charge, or its charge is insuf-
ficient
- the cables on the voltage regulator are badly con-
nected, or in short-circuit: correctly connect, or re-
place
- faulty alternator coil: replace
- de-magnetised alternator rotor: replace
- faulty voltage regulator: replace
The battery overheats
- faulty voltage regulator: replace
Difficulty in shifting gears
- engine oil with too high viscosity rating: replace
with the recommended oil
The clutch slips
- insufficient spring load: replace
- worn-out clutch plates: replace
Faulty brakes
- worn-out pads: replace