Manitowoc Grove GMK 4100L-1 User Manual

Maintenance work on the superstructure
8.3 Hoists
8 - 10 3 302 364 en Maintenance manual
GMK 4100L-1
25.11.2016
8.3.2 General inspection
• Pay attention to any unusual running noises from the hoists.
• Check the hoists and the connections for leaks. If consumables are
leaking;
à Checking the oil level, p. 8 - 9.
• 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.
8.3.3 Checking the hoist brake
Check that the hoist brake is working correctly on the main hoist and the
auxiliary hoist.
• Attach the hook block to the hoist rope, reeved once.
• Lift a load of approx. 7 t ( 15,500 lbs) to approx. 30 cm (1.0 ft) above the
ground.
• Measure the distance to the ground when the load is hanging completely
still.
• Switch the engine off.
If the load has not lowered after approx. 2 minutes, the br
ake is currently
in working order.
If the load lowers, notify
Manitowoc Crane Care or an authorised GROVE
dealer.
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Manitowoc Grove GMK 4100L-1 Specifications

General

Brand	Manitowoc
Model	Grove GMK 4100L-1
Category	Construction Equipment
Language	English