Faults, Causes And Remedy; General Information On Faults And Malfunctions; Possible Faults - Siemens FLENDER PLANUREX 2 PBUC Series Assembly And Operating Instructions Manual

9.

Faults, causes and remedy

Observe the instructions in section 3, "Safety instructions", and in section 10, "Maintenance and repair"!
9.1

General information on faults and malfunctions

Faults and malfunctions occurring during the guarantee period and requiring repair work on the
gear unit must be carried out only by Siemens customer service.
In the case of faults and malfunctions occurring after the guarantee period and whose cause
cannot be precisely identified, we advise our customers to contact our customer service.
Siemens will not be bound by the terms of the guarantee or otherwise be responsible
in cases of improper use of the gear unit, modifications carried out without the
agreement of Siemens or use of spare parts not supplied by Siemens.
To remedy faults and malfunctions, the gear unit must always be taken out of service.
Secure the drive unit to prevent it from being started up unintentionally.
Attach a warning notice to the start switch.
9.2

Possible faults

Table 11: Faults, causes and remedies
Faults
Changes in gear­unit
noise.
Loud noises in the
area of the gear­unit
fastening.
Increased
temperature at the
bearing points.
Gear unit is oiled up.
Oil leakage from the
gear unit.
Causes
Damage to gear teeth.
Excessive bearing play.
Bearing defective.
Labyrinth rings dragging.
Gear­unit fastening has worked
loose.
Oil level in housing too low.
Oil too old.
Bearing defective.
Inadequate sealing of housing
covers and/or joints.
Labyrinth seals oiled up.
Inadequate sealing of housing
covers and/or joints.
Radial shaft­sealing rings
defective.
BA 9213 en 03/2012
42 / 55
Remedy
Contact Customer Service. Check all toothed
components and replace any damaged parts.
Contact Customer Service. Adjust bearing backlash.
Contact Customer Service. Replace defective
bearings.
Readjust labyrinth rings.
Tighten bolts / nuts to specified torque.
Replace damaged bolts / nuts.
Check oil level at room temperature and, if necessary,
top up oil.
Check date of last oil change and, if necessary,
change oil. See section 10.
Contact Customer Service.
Check and, if necessary, replace bearings.
Seal joints.
Check oil charge. If necessary, clean labyrinths.
Check and, if necessary, replace sealings. Seal joints.
Check radial shaft­sealing rings and, if necessary,
replace.