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BA 5846 en 05/2015
Faults RemedyCauses
Oil foaming in the gear unit. Preservative agent not completely
drained.
Gear unit too cold in operation.
Water in oil.
Oil too old
(defoaming agent used up).
Unsuitable oils are mixed up.
Oilsupply system has been
operated too long at low
temperatures.
Change oil.
Shut down gear unit and have oil
degassed. Restart without cooling
water.
Check state of oil by the testtube
method for water contamination.
Have the oil analysed in a chemical
laboratory. Change oil, if necessary.
Examine the oil; change the oil,
if necessary.
Examine the oil; change the oil,
if necessary.
Stop oilsupply system.
Allow the oil to degas.
Water in oil. Gear unit exposed to cold air from
machineroom fan: Water
condensing.
Climatic conditions.
Oilsupply system or cooling coil
defective.
Protect gear-unit housing with
suitable heat insulation. Close air
outlet or alter its direction by
structural measures.
Contact Customer Service.
If necessary, use wetair filter.
Check the oilsupply system or
cooling coil; replace any defective
parts. Consult operating instructions
for oilsupply system.
Increased operating
temperature.
Oil level in housing too high.
Oil too old.
Oil badly contaminated.
Oilsupply system or cooling coil
defective.
Gear unit with cooling coil:
Deposits in cooling coil.
Gear unit with fan: Suction opening
and/or housing badly contaminated.
Check the oil level. Adjust oil level,
if necessary.
Check date of last oil change.
If necessary, change the oil;
see section 10.
Change the oil; see section 10.
Check oilsupply system or cooling
coil. Replace defective components,
if necessary. Consult operating
instructions for oilsupply system.
If necessary, clean or replace
cooling coil, see section 10.
Clean fan and/or gear unit.
Pressure monitor triggers
alarm.
(gear unit with forcefeed
lubrication)
Oil pressure < 0.5 bar. Check the oil level at ambient
temperature. Top up oil, if
necessary. Consult operating
instructions for oilsupply system.
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