Possible Faults - Siemens FLENDER H3LV Assembly And Operating Instructions Manual

9.2

Possible faults

Table 9: Faults, causes and remedy
Faults
Changes in gear­unit noise.
Loud noises in the area of the
gear­unit fastening.
Increased temperature at the
bearing points.
Exterior of gear unit is oiled up.
Oil leakage from the gear unit.
Oil foaming in the gear unit.
Causes
Damage to gear teeth.
Excessive bearing play.
Bearing is defective.
Gear­unit fastening has worked
loose.
Oil level in gear­unit housing too
low or too high.
Oil too old.
Bearing is defective.
Inadequate sealing of housing
covers and/or joints.
Inadequate sealing of housing
covers and/or joints.
Radial shaft­sealing rings defective.
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.
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Remedy
Contact Customer Service.
Check toothed components.
If necessary, replace damaged
components.
Contact Customer Service.
Adjust bearing play.
Contact Customer Service.
Replace defective bearings.
Tighten bolts and nuts to the
specified tightening torque.
Replace damaged bolts and nuts.
Check oil level at room temperature.
Top up oil, if necessary.
Check date of last oil change.
Change oil, if necessary.
See section 10.
Contact Customer Service.
Check and, if necessary,
replace bearings.
Seal housing covers and/or joints.
Check and, if necessary,
replace seals. Seal housing covers
and/or joints.
Check and, if necessary,
replace radial shaft­sealing rings.
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 oil analysed by a chemical
laboratory.
Change oil, if necessary.
Examine the oil; change the oil,
if necessary.
Examine the oil; change the oil,
if necessary.