Manitowoc Grove GMK 5200-1, Maintenance Manual

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Maintenance work on the superstructure
8.14 Other maintenance work
8 - 84 3 302 746 en Maintenance manual
GMK5200-1
0
9
.0
3.
201
8
8.14.4
Lubricating the step
Grease, spare
parts, tools
– Brush.
Prerequisites – The turntable must be locked.
– The engine must be switched off and secured against unauthorised use;
à
p. 2 - 3.
Retracting/
extending
•
Familiarise yourself with the description in the operating instructions of
retracting/extending the step (from the crane cab or at the outrigger con-
trol unit);
à
Operating manual
.
Greasing
•
Fully extend the step.
•
Remove the step ( 1 ) and the grille ( 2 ) – the
rails ( 3 ) are now exposed.
•
Clean the rails ( 3 ).
•
Lubricate the rails ( 3 ) lightly with a brush.
•
Retract and extend the step several times.
Whilst doing so, check that the step is mov-
ing easily on the rails.
•
Check that the electric spindle motor ( 4 ) is
running smoothly and without jerking.
•
Attach the step ( 1 ) and the grille ( 2 ).
•
Fully retract the step.
If the step is stiff, bent or does not retract completely, have the step aligned
and adjusted by
Manitowoc Crane Care
or an authorised GROVE dealer.
M 12
Designation GROVE part no.
Lubricant RHUS SW 2; 1 kg
(Apply the grease with a brush) 03325215