Maintenance work on the superstructure
8.6 Hydraulic system
8 - 38 3 302 649 en Maintenance manual
GMK4090
07.12.2017
The MLS gauge port (1) is located on the
bracket (2). When a hydraulic function is run
(tilt the crane cab), oil can be taken at the
gauge port.
• This maintenance work must be performed
by a team of two persons:
– Person 1 stands at the console (2) and fills
the sample container.
– Person 2 sits in the crane cab and controls
the tilting of the crane cab.
Taking oil samples
• Clean the gauge port and connect the
hose (1) at the port (3);
à Connecting
the hose
, p. 7 - 97.
• Put the hose end (2) into the receptacle (4).
• Start the engine from the crane cab.
• Tilt the crane cab.
• Allow 2 litres (0.5 gal) of oil to flow into the
receptacle.
• Switch the engine off and put the hose
end (2) into the sample container (5).
• Start the engine from the crane cab.
• Tilt the crane cab.
• Allow 0.3 litres (0.08 gal) of oil to flow into
the sample container.
• Switch the engine off.
• Remove the hose; à Disconnecting the hose, p. 7 - 98.
• Seal the sample container and dispatch it; à Dispatch the oil sample to the
laboratory
, p. 7 - 99.
• Determine the condition of the oil; à Determining the quality of the oil,
p. 7 - 99.
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