Wittenstein Alpha TK PLUS ATEX, Operating Manual

Page: 20 / 40

Maintenance and disposal TK
+
ATEX
en-18 2022-D034859 Revision: 02a
7 Maintenance and disposal

Be informed of the general safety instructions before beginning work. (see Chapter 2.7
"General safety instructions").
7.1 Maintenance work
7.1.1 Visual/Noise inspection

Dust off the housing. Make sure that the deposit of dust layers on the housing never exceeds
a layer thickness of 5 mm.

Check the entire gearhead for exterior damage and corrosion.

Check the clamping hub for external damage when you inspect the tightening torques of the
clamping bolt.

Check the gearhead for unusual running noises and vibrations during operation.

Please contact our Customer Service if you have any questions regarding maintenance.
7.1.2 Checking the tightening torques

Check the tightening torque of the fastening bolts on the gearhead housing.

You can find the prescribed tightening torques in chapter 9.2 "Specifications on mounting
onto a machine", table "Tbl-13".

Check the tightening torque of the clamping bolt on the motor mounting.

You can find the prescribed tightening torques in chapter 9.1 "Specifications on mounting
onto a motor", table "Tbl-12".
7.1.3 Check for leakage

Check the gear output radial shaft seal for leakage.

Look for external emission of lubricant from the drive.

Open up the Ermeto screw connection in the adapter plate and check for any lubricant
emission inside the adapter plate.

If you detect a leak, remove the lubricant and check the inside of the adapter plate once more
after a brief operation. Lubricant discharge should stop after a short time.

In case lubricant still is emitted, shut down the gearhead and consult our Customer Service.
7.1.4 Replacing the gearhead

Replace the gearhead:
- When 90 % of the calculated life of the gear output bearing has been reached (see
"Cymex®" design or total catalogue: Chapter "Information" or "Detailed construction").
- At the latest after a total of 20,000 operating hours.

Alternatively, the gearhead can be checked by
WITTENSTEIN alpha GmbH
and if
necessary, released for further operation.
The following maintenance work is crucial for the explosion protection.

Perform these tasks thoroughly and diligently.
When opening up the Ermeto coupling, dust could collect on the
adapter plate and catch fire during later operation.

Make sure that
no
explosive dust-air mixture is present and
no
dust can
get into adapter plate before opening the Ermeto coupling or dismantling
the motor.