ThyssenKrupp TW63B, Руководство по эксплуатации, Страница: 66 / 106

Operating manual Servicing / Maintenance
TW63B drive
thyssenkrupp Aufzugswerke 66 Version 09/2018
8.9 Replacing the traction sheave
8.9.1 Disassembly
1. Switch off the installation power supply.
2. Secure the car and counterweight before starting work.
3. Take the load off the traction sheave and disengage the ropes.
4. Use a rope or chain to secure the traction sheave on the lifting gear.
5. Undo the three screws on the mounting plate for the traction sheave and loosely
screw them in the outer circle of holes of the traction sheave into the traction
sheave hub (see Fig. 8.8.1, Item 2).
6. Place a spacer (approx. 5
– 10 mm thick, smaller than inner diameter of hub
hole) between the shaft end and the sheave.
7. By tightening the screws diagonally and evenly, remove the traction sheave from
the shaft.

WARNING
Falling traction sheave!
The traction sheave can suddenly come loose.

Secure the traction sheave with chains or ropes.
8.9.2 Installation
DANGER
Traction sheave not resting properly on cone (is loose)!
Traction sheave tumbles and can come loose. Elevator car can crash.

Do not change the dimension of the feather key, groove, cone of
shaft or traction sheave bore hole under any circumstances.

Avoid damage and contamination of the traction sheave.

Ensure correct installation.
In the case of traction sheave replacement, the new bolts that are supplied must be
used.
Ensure bolts are secure and tightening torque is correct!