4
Mechanical installation
Shaft-mounted gear unit with shrink disk
Assembly and Operating Instructions – Gear unit series R..7, F..7, K..7, K..9, S..7, SPIROPLAN
®
W
46
5. After installation, make sure the remaining gap "s" between the outer rings of the
shrink disk is > 0 mm.
6. To prevent corrosion, grease the outside of the hollow shaft around the shrink disk.
4.6.2
Remove the shaft-mounted gear unit
Proceed as follows:
1. To prevent the outer rings from jamming, loosen the clamping screws for a quarter
turn, one after the other.
2. Steadily loosen the clamping screws one after the other, but do not remove the
clamping screws completely.
3. If rust has formed on the shaft in front of the hub, remove the rust.
4. Remove the shaft or pull the hub off the shaft.
5. Remove the shrink disk from the hub.
4.6.3
Cleaning and lubricating shaft-mounted gear units
INFORMATION
There is no need to dismantle removed shrink disks before they are reinstalled.
Proceed as follows:
1. If the shrink disk is dirty, clean and lubricate the shrink disk.
2. Lubricate the tapered surfaces. Use one of the following solid lubricants:
Lubricant (Mo S2)
Sold as
Molykote 321 (lube coat)
Spray
Molykote spray (powder spray)
Spray
Molykote G Rapid
Spray or compound
Aemasol MO 19P
Spray or compound
Aemasol DIO-sétral 57 N (lube coat)
Spray
3. Grease the clamping screws with a multipurpose grease such as Molykote BR 2.
21932786/EN – 05/2015