74
Work on the product
Replacing the traction sheave
TK Elevator
BA, TW45C | 6231003860 | 06/2022
8. Turn the traction sheave by hand until the dial gauge pointer moves.
9. Move the traction sheave back and forth until resistance is felt.
10. Read off the dial gauge (ME).
11. Use the formula below to calculate the backlash.
Backlash = (ME*r)/M
Fig. 44
ATR_2_22_0027_0
Item Designation
Item Designation
M Radius
ME Measurement result
r
Radius – worm wheel, all dimen-
sions in mm
7.5
Replacing the traction sheave
WARNING
Traction sheave not resting properly on cone (is loose)!
Traction sheave tumbles and can come loose. The elevator car can move in
an uncontrolled manner through the shaft.
Do not change the dimension of the feather key, groove, cone shaft or
traction sheave bore hole under any circumstances.
Avoid damage to and contamination of the cone shaft and traction
sheave.
Secure the traction sheave with a chain or ropes.
Ensure correct installation.
1. Remove cover plate on the traction sheave.
2. Take the load off the traction sheave.
3. Take off the ropes.
4. Remove the fastening screws with tension disc.
5. Insert the fastening screw in the tension disc the other way around.
6. Screw the threaded rod into holes for forcing.
7. Tighten threaded rods alternately.
Содержание TW45C
Страница 1: ...OPERATING MANUAL TW45C Drive 06 2022 6231003860...
Страница 86: ......
Страница 140: ...PP0099019030 AFG 000 00 FR 13 07 2020 HEIMERDING D Ausdruck unterliegt nicht dem nderungsdienst...
Страница 145: ...145 TK Elevator BA TW45C 6231003860 06 2022...
Страница 146: ...146 TK Elevator BA TW45C 6231003860 06 2022...
Страница 147: ...147 TK Elevator BA TW45C 6231003860 06 2022...