Mechanical installation
Preparation
Gearbox with compensation container
4
25
Lenze ¯ MA 12.0012 ¯ 4.0
4.3.3 Gearbox with compensation container (preferably for mounting
position "M4[C]")
Temperature fluctuations generate changes in the lubricant volume. A compensation
reservoir serves to compensate for the change in volume in each case.
The compensation reservoir is supplied as a mounting set. Before commissioning, the
oil vent plug must be replaced with the reservoir.
Stop!
For transporting the geared motor, the compensation reservoir must be
removed and the gearbox must be locked by means of a locking screw.
Stop!
Leaky pipe to the oil compensation reservoir
The pipe of the oil compensation reservoir is subjected to a natural
ageing process.
Possible consequences:
¯ Environmental impact
Protective measures:
¯ Make sure that the pipe does not show any signs of cracks or leakage.
¯ Do not commission a leaky pipe.
¯ If the pipe shows any signs of damage, replace it.
Note!
With unfavourable combinations of a small ratio and a high input speed,
the use of a compensation reservoir may also be advisable in other
mounting positions.
4.3.4 Mounting the gearboxes
Stop!
Shocks and impacts on the shaft damage the roller bearings.
¯ Draw the transmission elements onto the output shaft only by using the
centering thread.
¯ Align the gearbox shaft and transmission elements in an accurate fashion in order
to prevent tensioning.
¯ Mount belt pulleys, sprockets, or gear wheels as closely as possible to the gearbox
in order to keep the bending load of the shaft and the bearing forces at a
minimum level.
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