3. Maintenance RO
i
400
ROCKINGER
Member of JOST-World
25
GB
Please note following when carrying out repairs on coupling
(e.g. changing coupling pin):
x Remove as much of old grease as possible.
x Relubricate with multi-purpose grease (NLGI 2; temperature range
–40h bis 120h C)
3.2 Inspection
Bearing:
– Longitudinal play
x Grip coupling head (not jaw funnel) with both hands when
uncoupled and move vigorously in longitudinal direction (see fig. 7):
No longitudinal play is allowed.
– Vertical play
x Open hitch.
x Move coupling head up and down with appropriate tool (see fig. 8):
Vertical play may not exceed 3 mm measured at coupling head
(centre axis of coupling pin).
Coupling pin:
Check wear using ROCKINGER reference gauge (order no. 57026)
(see Fig. 8):
Coupling pin may be used until diameter of crowned section has worn
to less than 36.5 mm, after which it must be replaced.
Fig. 7
Fig. 9
Fig. 8
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