Manitowoc GROVE GMK4090 - Page 180

Maintenance work on the carrier
7.15 Hydraulic system
7 - 98 3 302 649 en Maintenance manual
GMK4090
07.12.2017
Taking oil samples
The hose end (1) is connected to the
cylinder (3).
The hose end (2) is in receptacle (4).
• Start the engine.
• 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.
• Allow 0.3 litres (0.08 gal) of oil to flow into
the sample container.
• Switch the engine off.
• Put the hose end back into the receptacle.
• Seal the sample container.
Disconnecting
the hose
• Disconnect the hose (2) – the gauge port (1) closes.
• Close the gauge port with the cap.
• Allow the oil to flow out of the hose into the receptacle (3).
• Close the hose ends with the caps (4).
• Remove the receptacle and properly dispose of the oil.
• Fasten the cover (1).