Andritz Aqua-Screen ASC-013-013-194, Operation & Maintenance Manual, Page: 308 / 316

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10.0 - TROUBLESHOOTING
The following information is intended to serve as an aid in locating and eliminating defects and faults. In
some cases, problems may be caused by the plant or machine to which the gear unit is assembled and hen-
ce, the cause and remedy will be described in the Manufacturer’s technical documentation for the machi-
ne/plant in question.
FAULT CAUSE REMEDY
Bearing temperature too high
Oil level too low Top up oil level
Oil spent Replace oil
Defective bearings Contact authorised workshop
Operating temperature too high
Oil level too high Check oil level
Oil spent Replace oil
Contaminant in oil Replace oil
Abnormal running noise
Gears damaged Contact authorised workshop
Bearing axial backlash too high Contact authorised workshop
Bearings defective or worn Contact authorised workshop
Excessive load applied
Correct load to rated values given
in Sales Catalogue
Contaminant in oil Replace oil
Abnormal noise at gear unit
mounting
Mounting bolts loose Tighten bolts to specified torque
Mounting bolts worn Replace bolts
Oil leaks
Oil level too high Check oil level
Casing/coupling seals inadequate Contact authorised workshop
Gaskets worn Contact authorised workshop
Gear unit does not run or runs
with difficulty
Oil viscosity too high
Replace oil (see recommended
lubricant chart)
Oil level too high Check oil level
Excessive load applied
Redesign drive for actual load
required
Output shaft does not turn with
motor running
Gears damaged Contact authorised workshop
Luggage Point STP ST18 Pre Treatment (Aqua-Screen (Andritz) Operation and Maintenance Manual) General
Q-Pulse Id: TMS579 Active: 13/12/2013 Page 308 of 316