Subject to changes without notice !
Änderungen vorbehalten !
Gearless Lift Machine
WSG-25
Operating Instructions
EN
Code: GM.8.002673.EN
Date:
07. May 2019
Version: 0.13a
Page: 22
8. Maintenance
8.1. General
•
The regulations concerning operation, maintenance and inspection pursuant to the applicable safety regula tions for
lift construction such as DIN EN 81-20, DIN EN 81-50, LD 2014/33/EU and other relevant regulations are to be strictly
observed.
•
The operator is responsible for ensuring that the motor is installed properly and in accordance with the safe ty
requirements, as well as for its inspection and maintenance as specified in the applicable regulations.
•
The proper maintenance of gearless lift machines requires adequately trained specialist personnel and special
devices and tools.
•
Repairs other than those described in these operating instructions are not to be carried out by the lift fitter/
maintenance technician for liability reasons.
Bolt/screw tightening torques
•
When performing any work on the machine or replacing
parts, make sure that the specified bolt/screw strength
class and the tightening torques are observed (see
table).
•
Secure the bolts/screws with “omnifit 100” or a similar
product against accidental loosening.
Dimension
Tightening torque [Nm]
Strength class
8.8
10.9
12.9
M 5
5.5
8.1
9.5
M 6
9.6
14
16
M 8
23
34
40
M 10
46
67
79
M 12
79
115
135
M 16
195
290
340
M 20
395
560
660
M 24
680
970
1150
M 30
1,100
1,900
2,150
M 36
2,300
3,300
3,700
8.2. Maintenance intervals
During commissioning or
after the first 3 months
Every
year
Note
Check the brake function and brake monitoring
switches
x
x
see the brake operating instructions
Check the brake air gap
x
x
see the brake operating instructions
Individual check of the brake function
as required
see section 8.5.
Check the bearing noise
x
Regrease the bearings
as required
see section 8.3.
Check the traction sheave for wear
x
Make a visual check of the fastening bolts/screws
on the frame, brake and traction sheave
x
x
Check the rope slip-off guard
x
x
Check the electrical cables
x
x
Check the guards and safety devices for their
condition and safe functioning
x
x
Clean the motor surface and the fan filter mats
as required
see section 8.4.
