Manitowoc GROVE GMK4090 Maintenance Manual

Maintenance work on the superstructure
8.14 Other maintenance work
8 - 82 3 302 649 en Maintenance manual
GMK4090
07.12.2017
8.14.4 Lubricating the step
Grease, spare
parts, tools
–Brush.
Prerequisites – The turntable is locked.
– The engine is not running and is secured against unauthorised use;
à p. 2 - 3.
Retracting/
extending
• Familiarise yourself with the retracting/extending the step in the operat-
ing manual;
à Operating manual.
– manual (series equipment): about the spring pin (5) or
– electrical (additional equipment): from the crane cab or at the outrigger
control unit via the electrical spindle motor (4).
Lubrication • Pull the spring pin (5) – the step is unlocked.
• 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.
• Fully retract and extend the step several
times.
Whilst doing so, check that the step is
moving easily on the rails.
• Check that the electric spindle motor (4) is
running smoothly and without jerking
(additional equipment).
• Attach the step (1) and the grille (2).
• Fully retract the step.
• Check whether the spring pin (5) is engaged in 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 GMK4090 Specifications

General

Brand	Manitowoc
Model	GROVE GMK4090
Category	Construction Equipment
Language	English