8 | Removal and disposal
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10/2019 | ID 443150_en.00
8
Removal and disposal
8.1
Removal
This chapter contains information on removing the gear unit.
WARNING! Moving machine parts can cause serious injuries or even death!
Before performing work, switch
off the machine with the main switch and secure the switch from being turned on again.
WARNING! Falling gravity-loaded axes or vertical axes can cause serious injuries or even death!
Move
gravity-loaded axes or vertical axes to their lowest position and lock or brace them mechanically before entering the danger
area.
CAUTION! The surface of the drive can reach temperatures over 65 °C during operation!
Allow the drive to
cool sufficiently before working on it. Wear gloves.
ATTENTION! Damage to encoders, bearings and shafts due to improper disassembly!
Never use force when
disassembling drive elements with fittings, e.g. hitting drive elements, shafts or the motor or gear unit housing with a
hammer, and instead disassemble them in accordance with the following instructions.
8.1.1
Removing PK, PKX, PHK, PHKX, PHQK, KS gear units
Remove the drive as follows:
1.
If the drive had been in operation immediately beforehand, allow it to cool.
2.
Disconnect the connection cable and the grounding conductor from the motor.
3.
If necessary, remove drive elements connected to the output shaft, such as belts, chains or couplings, with suitable
removal devices.
4.
Fasten the drive with suitable fastening elements (see the chapter
5.
Unscrew the screws used to mount the drive to the machine.
6.
For KS gear units with a hollow shaft and shrink ring: Unscrew the clamping screws of the shrink ring in multiple cycles
by one quarter rotation each in turn, but do not completely remove the clamping screws from the thread. Remove the
gear unit from the machine shaft.
7.
For all other gear units: Remove the output flange of the gear unit from the machine. For gear units with a flange
shaft, use the provided threaded holes in the output flange (see the chapter
Mounting PK, PKX, PHK, PHKX, PHQK gear
).
8.
Detach the gear unit from the machine.
9.
If necessary, remove the motor from the gear unit. To do so, first release the locking screw of the motor adapter by
turning it counterclockwise approx. one quarter rotation. Then, unscrew the screws of the motor used to mount the
motor to the gear unit (see the chapter
Mounting the motor on a gear unit [
10. Transport the drive according to the chapter
.
8.1.2
Removing KL gear units
Remove the drive as follows:
1.
If the drive had been in operation immediately beforehand, allow it to cool.
2.
Disconnect the connection cable and the grounding conductor from the motor.
3.
For gear units with a solid shaft: If necessary, remove drive elements connected to the solid shaft, such as belts, chains
or couplings, with suitable removal devices.