Gearless Lift Machine
WSG/WGG-29
Operating Instructions
Code
GM.8.002662.EN
Date
04.02.2019
Version
0.19
Page
17
Subject to changes without notice ! Subject to changes without notice !
EN
6.
Operation and maintenance
6.1. 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 fit -
ter/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.
6.2. Maintenance intervals
Dimension
Tightening torque [Nm]
Strength class
8.8
10.9
12.9
M4
2,8
4,1
4,8
M5
5,5
8,1
9,5
M6
9,6
14
16
M8
23
34
40
M10
46
67
79
M12
79
115
135
M16
195
290
340
M20
395
560
660
M24
680
970
1,150
M30
1,100
1,900
2,150
M36
2,300
3,300
3,700
Check the brake air gap
every six months
see the brake operating instructions
Check the proper functioning of the brakes and the
brake monitoring switches
every six months
see the brake operating instructions
Check the bearing noise
every six months
Regrease the bearings
see section 6.3.
Check the traction sheave for wear
every six months
Make a visual check of the fasteningbolts/screws on
the frame, brake and traction sheave
every six months
see section 6.1.
Check the electrical cables
every six months
see section 4.2.
Check the rope slip-off guard
every six months
Check the guards and safety devices for their condi-
tion and safe functioning
every six months
Clean the external machine surfaces;
clean the fan filter mats
as required
see section 6.4.
WGG-29:
Check the tightening torque of the-clam-
ping screws of the cone clamping element
every six months
Please pay attention to the separate
assembly instructions. (
M
A
= 210 Nm
)
