6.6.2
Fine adjustment “FV50”
EKM-0097
x
y
7
6
x*
y*
10
11
2
8
3
Fig. 17
Each contact is assigned to a cam disc group, consisting of an adjustable cam (6) and cam disc (7). The adjust-
able cam (6) is connected via positive locking over a ring with toothing on both sides (2) to the switching shaft.
While the worm’s (8) self-locking feature is enabled, the torque is transferred further by means of positive lock-
ing from the adjustable cam (6) to the toothing of the cam disc (7). The cam disc (7) can be adjusted by rotating
the worm (8) at a ratio of 74:1 (1 revolution of the worm = 4,865° on the cam disc) towards the periphery. The
effective cam angle (10) and the usable angle of the cam disc (11) are shown in the figure. x* and y* depict the
views.
1. Loosen the nut (3) until the front toothing disengages for one adjustable cam. The adjustment can then take
place without the other cam disc groups also being adjusted.
Turn the selected cam discs (1) by hand to the required, approximate switching positions.
2. Tighten the nut (3) to a tightening torque of 2,5 Nm.
3. Using a screw driver, max. width of 4 mm, turn the screw on the adjustment worm (8) until the switching point
has been adjusted as desired. An extremely fine adjustment is possible from both sides, without having to
loosen the nut (3).
4. All adjustments must be looked at in an inspection round and checked for functionality.
5. Mount the cover of the GTES, see section 6.7.
32
Mounting/operating instructions Gear limit switch Type series HGE • No. 152-00000 F • 10/2017
