Manitowoc Grove GMK6300L-1 Maintenance Manual

Maintenance work on the superstructure
8.7 Slewing gear
8 - 48 3 302 719 en Maintenance manual
GMK6300L-1
13.02.2018
8.7.2 Checking for leaks
• Pay attention to any unusual running noises from the slewing gears.
• Check the slewing gears and the connections for leaks. If consumables are
leaking;
à Checking the oil level, p. 8 - 47.
• Check that pipes and hoses are tightly connected and undamaged.
If any damage is found, report it to
Manitowoc Crane Care or an authorised
GROVE dealer or your repair crew.
8.7.3 Checking the slewing gear brake
Prerequisites – The truck crane is rigged with an outrigger span of at least 8.70 x 8.50 m
(28.5x27.9ft) and is level;
à Manual de instrucciones.
– No counterweight has been
rigged; à Manual de instrucciones.
– The RCL code for the current rigging mode must be entered;
à Manual
de instrucciones
.
– The current load must not exceed 1 t (2,200 lbs) – if n
ecessary unreeve
the hook block.
– The slewing range 360° around the truck crane must be secured.
– The
brake pedal function must be activated; à Manual de instrucciones.
– The main boom must be raised to 65° and fully retracted.
W
M 6
G
Risk of overturning while slewing!
Always set a rigging mode for the slewing range of 360° in accordance with
the
lifting capacity table and enter the corresponding RCL code. Do not
override the rated capacity limiter (RCL).
G
Risk of injury due to swinging hook block
If a faulty slewing gear brake slips, the superstru
cture can accidentally,
suddenly turn and the hook block can suddenly swing. People standing
within the slewing range could be injured.
Secure the slewing range 360°, before you check the slewing gear brake.

Manitowoc Grove GMK6300L-1 Specifications

General

Brand	Manitowoc
Model	Grove GMK6300L-1
Category	Construction Equipment
Language	English