Lenze 11.218 Variable speed pulleys - Manual (Page 16)

Disassembly
MA 11.1023 DE/EN/FR 3.0
16

demontage-von-wellenenden
Removing the pulleys from the shaft ends
The mechanically-adjustable pulley (size 40) can be pulled off the shaft as follows (Fig. 7):
1. Unscrew the fixing bolt (1).
2. Remove the circlip/retaining ring (2) and take off the thrust ring (3).

Note!
To protect the thread of the center bore, place a disc over the end of the shaft
before applying the puller.
3. Mount the thrust ring (3) and the circlip/retaining ring (2).
4. Use a threaded rod (Tab. 3) to pull the adjustable pulley off the end of the shaft.
Details of the threaded rod for size 40
Bore diameter [mm]
Threaded rod
38 M16
42 + 48 M20
55 + 60 + 65 M24
Tab. 3 Details of the threaded rod for size 40

Stop!
For sizes 10 - 31, the mechanically-adjustable pulleys are removed with a
puller device (Fig. 8).
4
1
K11.0374
Fig. 7 Puller for sizes 10-31