Manitowoc Grove GMK 5200-1

Maintenance work on the superstructure
8.6 Hydraulic system
8 - 38 3 302 746 en Maintenance manual
GMK5200-1
09.03.2018
The MLS gauge port (1) is located on the
bracket (2). When a hydraulic function is run,
oil can be taken at the gauge port.
Taking oil samples
• Clean the gauge port and connect the hose
(1) to the bracket (3);
à Connecting the hose,
p. 7 - 107.
• Put the hose end (2) into the receptacle (4).
• Start the engine.
• Tilt the crane cab.
• Allow 2 litres (0.5 gal) of oil to flow into the
receptacle.
• Switch off the engine and put the hose end
(2) into the sample container (5).
• Start the engine.
• Tilt the crane cab.
• Allow 0.3 litres (0.08 gal) of oil to flow into
the sample container.
• Switch off the engine.
• Remove the hose; à Disconnecting the hose, p. 7 - 108.
• Seal the sample container and dispatch it; à Dispatch the oil sample to the
laboratory
, p. 7 - 109.
• Determine the quality of the oil; à Determining the quality of the oil,
p. 7 - 109.