Manitowoc Grove GMK 5250L Maintenance Manual

Maintenance work on the superstructure
8.14 Other maintenance work
8 - 88 3 302 744 en Maintenance manual
GMK5250L
09.03.2018
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

Manitowoc Grove GMK 5250L Specifications

General

Brand	Manitowoc
Model	Grove GMK 5250L
Category	Construction Equipment
Language	English