WITTUR WSG-SF Series, Руководство по эксплуатации

Страница: 25 / 112

Subject to changes without notice ! Änderungen vorbehalten !
Gearless Lift Machine
WSG-SF
Operating Instructions
EN
Code: GM.8.004284.EN
Date: 28. Jan 2020
Version: 0.16
Page: 25
8.3. Regreasing the bearings
•
The anti-friction bearings have been provided with a grease filling at the factory that is sufficient for the planned
service life of the machine. Under normal operating conditions, regreasing is not required or recom mended.
8.4. Check brake air gap
DANGER
f
If the brake air gap exceeds the permissible value „s
B max
“, the braking torque may be significantly reduced. Shut
down the lift system and inform customer service.
f
Unit-power-off. Lock out and tag out. Motor and brake have to be de-energised!
Necessary tools
•
Feeler gauge 0,05 ... 1,0 mm
• Observe the brake operating manual from
page 62.
•
Remove the rubber cover ring (5) from the air gap.
•
Measure the air gap “s
B
” (3) at two opposite
points near the fastening screws (1) between the
armature plate (4) and the stator (2) using a feeler
gauge.
•
Do not insert feeler gauge more than 10 mm
between armature plate (4) and stator (2) !
• Compare the measured air gap with the maximum
permissible air gap „s
B max
“, see section “Technical
data” on page 28.
• If the brake air gap exceeds the permissible value
„s
B max
“, shut down the lift system and inform the
customer service.
•
After the measurement has been completed, fit the
protective brake covers.
A- A ( 1 : 5 )
A
A
s
B
1 2 3
5 4