4
Mechanical installation
Shaft-mounted gear unit with shrink disk
Assembly and Operating Instructions – Explosion-Proof Gear Units
58
9007199466281099
4. Install the input shaft. Proceed as follows to do so:
•
Make sure that the outer rings of the shrink disk are plane-parallel.
•
In the case of a gear unit with shaft shoulder, mount the shrink disk at the shaft
shoulder up to the stop.
•
In the case of a gear unit without shaft shoulder, mount the shrink disk at a dis-
tance of 1 – 2 mm from the gear unit housing.
•
Tighten the locking screws with the specified tightening torque according to the fol-
lowing table. Tighten the screws in several turns. Tighten screws one after the
other, not in diametrically opposite sequence.
1-2mm
s>0mm
211542283
INFORMATION
The exact values for the tightening torques are shown on the shrink disk.
INFORMATION
Standard shrink disks and stainless steel shrink disks have the same tightening
torques.
Gear unit type
Locking screw
ISO 4014/ISO 4017/
ISO 4762
Tightening
torque ± 4%
Nm
KH..
FH..
SH..
WH..
19/29
27
37
37
M5
5
24804134/EN – 05/2018