21
8.1 - ROUTINE MAINTENANCE
Keep the gear unit at its maximum efficiency by following the routine maintenance schedule
specified by the Manufacturer.
Good maintenance enables the unit to operate at its maximum performance over a long servi
-
ce life in compliance with safety regulations.
Frequency Component Type of work Operation
1000 h External seals and gaskets
Check oil level
Check for leaks by eye
Maintain or replace compo
-
nents as required
3000 h
For gear units with torque
arm: polymer bushings
Check for cracks/ageing
Replace if no longer fully
effective
5000 h Gear unit seals and gaskets
Inspect carefully for wear/age
-
ing of external seals.
Replace if aged/worn
Depending on the temperature reached by the lubricant, it should be replaced at the intervals indica
-
ted in table (A4) below:
Oil temperature
t [°C]
Hours
t < 65 25000
65 £ t < 80 15000
80 £ t £ 95 12500
(A4)
For installations in zones 21 and 22 the User must schedule and implement a regular clea
-
ning programme for all surfaces and recesses to avoid build up of dust more than 5 mm in
depth.
Every 1000 h of operation or after 6 months:
•
Measure the surface temperature of the coupling between the gear unit and motor, at the po
-
ints most shielded from the motor’s fan cooling. The maximum temperature must not differ (DT)
from the ambient temperature by more than the following values, nor may this differential be
exceeded during operation.
DT [°C]
C 11...C 61 75
A 10...A 60 75
F 10...F 60 75
VF 44, VF 49 75
W 63...W 86 75
W 110 90
(A3)
To Next Page
Loading...
Need help?
General
