ABB HT574399 Operation Manual page 47

Operation Manual / 4 Product description / A100-M axial
2 Removal and installation
2.3.1.1 Tightening the clamping nut
Do not clean pressure screws (d)
The pressure screws are equipped with a permanent sliding layer that must
not be removed.
CAUTION
Do neither clean nor lubricate the pressure screws. In case of non-compliance,
it cannot be ensured that the necessary tension force is reached.
Do not clean pressure screws.

Do not lubricate pressure screws.

Pressure screws (d) must not protrude from the clamping nut (c) in the direc-
tion of the thrust washer (b)
NOTICE In order to correctly fit the clamping nuts, the pressure screws must not pro-
trude in the direction of the thrust washer.
Figure 15: Tightening the foot bolts (1)
1. Clean bolt thread (a) and contact surface.
Coat the bolt thread with grease.
2. Fit thrust washer (b) (component of clamping nut).
3. Tighten clamping nut (c) by hand.
4. Screw back clamping nut by ¼ of a turn (90°).
The distance between the thrust washer and the clamping nut is now about 1 mm.
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Revision A July 2016