Maintenance work on the carrier
7.17 Towbar coupling
03.11.2017
Maintenance manual 3 302 574 en 7 - 121
GMK3060
7.17.2 Checking the bearing
Prerequisites – The coupling must be closed; à p. 7 - 120.
Checking the
bearing
• Check the bearing of the towbar coupling by
vigorously shaking it up and down and in
the longitudinal direction (arrows). Hold the
towbar coupling at the top and bottom
of the coupling head and not by the
coupling jaw.
The vertical play at the coupling head must be
no more than 3 mm (0.1 in).
G
Risk of injury!
Ensure that the towbar coupling is closed for the following work (lever
points downwards). The lever may otherwise come down with great force
and cause serious injury to your hand.
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