Motorized Cable Reel Technical Manual
September 2021
13.5 Checking the gearbox for leaks
►
If leaks occur after the run-in phase of the gearbox, contact customer service (
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13.5.1 Topping off the gear oil
In the event of a leak, observe the following procedure.
1. Identify the source of the oil leak.
2. Seal the leak.
3. Adjust the oil fill level in the dismantled pressure release valve.
4. Adjust the oil quantity in the gearbox if required.
5. Check the oil fill level in the dismantled pressure release valve again.
6. Install the pressure release valve.
INFORMATION
For functional reasons, oil mist might escape from a pressure release valve or labyrinth
seal. During the first 24 operating hours of the gearbox run-in phase, minor quantities of
oil can escape on the shaft sealing ring.
Condition
Description
Actions
Notes
Moisture film on the
shaft sealing ring
•
Moisture film due to
functional reasons
(apparent leak)
►
Wipe off the
moisture film
►
Keep the
moisture film
under
observation
There is no fault. The
shaft sealing ring dries
up with further
operation
Leak at the shaft
sealing ring
•
A small trickle is
visible
•
Formation of drops
after the run-in
phase
►
Contact customer
service
During the run-in
phase, the shaft sealing
ring engages in the
shaft. A visible running
track can be seen on
the shaft. Optimal
sealing conditions are
created after the run-in
phase.