Checking The Support Ring; Checking The Function Of The Coupling Jaw/ Resetting The Central Position - Manitowoc Grove GMK 5250L Maintenance Manual

Maintenance work on the carrier
7.19 Towbar coupling
7.19.6
Prerequisites
Checking the
support ring
7.19.7
Spare parts and
tool
Prerequisites
7 - 140

Checking the support ring

– The coupling must be closed;
Checking the function of the coupling jaw/
resetting the central position
– Torque wrench for torque of 58 Nm (42.7 lbf ft).
– The coupling must be closed;
à
p. 7 - 136.
•
Check the support ring (1) at the bottom of
the coupling jaw.
When the trailer is coupled, the draw eyelet
of the trailer must not be in contact with the
lower bushing (2).
Have the support ring changed if:
– The trailer's draw eyelet touches the lower
bushing because of wear or
– The support ring has reached its wear limit
of H = 14 mm (0.55 in).
à
p. 7 - 136.
3 302 744 en
M 3
M 3
Maintenance manual
GMK5250L