SUNWARD SWL2820 - Page 79

SWL2820 Operator’s Manual
78
Trouble Cause Solution
Power system
 Oil level too low  Refill
 Oil filter clogged  Change filter
Oil pressure warming light
remains on even with engine
at high speed
 Oil unsuitable for the
ambient environment
 Change
 Coolant fluid level
low
 Refill
 Radiator leakage  Repair
 Fan belt slacked  Check belt tension and
adjust
 Mud or limestone
accumulated in cooling
system
 Change coolant and
clean cooling system
 Radiator fins damaged
or closed
 Repair or clean
 Faulty thermostat  Change
 Radiator cap loosen or
broken
 Tighten cap or change
unit
Steam comes out of radiator
breather.
The engine coolant
temperature indicator
reaches overheating range
 Working at too high
altitude
Coolant temperature
indicator always at the end
of right scale
 Faulty instrument  Change
 Faulty thermostat  Change
Coolant temperature
indicator always at the end
of left scale
 Faulty instrument  Change
 No fuel  Refuel
 Air in fuel system  Bleed system
Engine dose not start with
starter running
 Compression defect  Adjust valve clearance
 Too much oil in oil
pan
 Drain some oil
Exhaust gases white or light
blue
 Unsuitable fuel  Change with correct
fuel
 Air cleaner clogged  Clean or change
 Faulty injectors  Change
Exhaust gases occasionally
tend to be black
 Faulty compression  Adjust valve clearance
Combustion noise
occasionally resembles a
 Faulty injectors  Change