Bomag BW 177 D-4 Operating Instructions Manual page 135

Faults Possible cause
Engine over- Cooling fins on radiator extremely soiled
heats, shut (the warning light "engine oil temperature"
down immedi- lights)
ately!
Injection valve defective
Engine oil level too low
Filling capacity of the injection pump not
correctly adjusted
Cooling air flow restricted
V-belt loos or broken
Poor engine Engine oil level too high
power
Dry air filter dirty
Exhaust gas turbo-charger defective
Charge air hose leaking
Incorrect valve clearance
Injection valve defective
Engine oil pres- Engine oil level too low (control light "en-
sure too low gine oil pressure" lights, the warning
buzzer sounds)
Leakages in the lubrication system
The charge con- Generator speed too low
trol light lights
during opera-
The generator does not charge the bat-
tion, the warning
tery, because generator or regulator is de-
buzzer sounds
fective
BW 177 D-4
Remedy
Clean the cooling fins
Have examined by a specialist
Top up engine oil to the upper dipstick
mark
Have adjusted by a specialist
Clean the cooling air duct
Tension or replace the V-belt
Drain the engine oil down to the upper dip-
stick mark
clean, change if necessary
Have examined by a specialist
Check fastening and connections
Adjust the valve clearance
Have examined by a specialist
Top up oil
Shut the engine down immediately, check
fittings on oil lines, lubrication oil filter and
oil cooler for leaks, if necessary tighten
the fittings.
Check the V-belt tension, replace the V-
belt if necessary
Have examined by a specialis
BOMAG
Trouble shooting
135