Fayat Group BOMAG BW177D-50 Operating Instructions, Maintenance Instructions page 110

Section 6
TROUBLE SHOOTING
Faults Possible cause
Excessive Engine oil level too high
exhaust smoke
Dry air filter dirty
Exhaust gas turbocharger defective
Poor compression due to burned or broken
compression rings or incorrect valve
clearance
Incorrect valve clearance
Engine Cooling fins on radiator extremely soiled
over-heats, (the warning light "engine oil temperature"
shut down lights)
immediately!
Injection valve defective
Engine oil level too low
Filling capacity of the injection pump not
correctly adjusted
Cooling air flow restricted
V-belt lose 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 Engine oil level too low (control light
pressure too low "engine oil pressure" lights, the warning
buzzer sounds)
Leakages in the lubrication system
The charge Generator speed too low
control light
lights during
The generator does not charge the battery,
operation, the
because generator or regulator is defective
warning buzzer
sounds
6-4
Remedy
Drain the oil to the upper dipstick mark
Clean, replace if necessary
Have examined by a specialist
Have compression rings and pistons
examined by a specialist, adjust the valve
clearance
Adjust the valve clearance
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
dipstick 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 specialist
4-2012