Installation
4.9 Installing and removing the shaft-mounted gearbox
BA 2030
Operating Instructions, 02/2021, A5E37880173A/RS-AM
47
4.9.3.3
Pulling off the shrink disk
Procedure
1.
Successively release the tightening bolts
⑥
one after the other through a ¼ turn each time
using a wrench. Do not completely remove the bolts.
2.
Pull the shrink disk off the hollow shaft.
Sizes 79 - 189:
If the outer ring does not come away from the inner ring, remove some of the tightening
bolts and insert them into neighboring forcing threads.
Pull the shrink disk off the hollow shaft.
4.9.3.4
Cleaning and lubricating shrink disks
Soiled shrink disks must be cleaned and regreased prior to fitting.
Shrink disks that have been released need not be disassembled and regreased before being
retensioned.
Procedure
1.
Only grease the inner friction surfaces of the shrink disks. To do this, use a solid lubricant
with a friction coefficient of
μ
= 0.04.
2.
Use a paste containing MoS
2
to grease the bolts, applying the paste to the thread and
underneath the head.
Clean the shrink disk.
Table 4- 8
Lubricants for shrink disks
Lubricant
Sold as
Manufacturer
Molykote 321 R (lubricant paint) Spray
DOW Corning
Molykote spray (powder spray)
Molykote G Rapid
Spray or paste
Molykombin UMFT 1
Spray
Klüber Lubrication
Unimily P5
Powder
Aemasol MO 19 P
Spray or paste
A. C. Matthes
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