Manitowoc Grove GMK 5200-1 User Manual

Maintenance work on the superstructure
8.3 Hoists
8 - 10 3 302 746 en Maintenance manual
GMK5200-1
09.03.2018
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 leak-
ing;
à Checking the oil level, p. 8 - 9.
• Check that pipes and hoses are tightly connected and not damaged.
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. 9.5 t (21,000 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 off the engine.
If the load has not lowered after approx. 2 minutes, the brake 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 5200-1 Specifications

General

Brand	Manitowoc
Model	Grove GMK 5200-1
Category	Construction Equipment
Language	English