Manitowoc GROVE GMK7450 Maintenance Manual page 166

Maintenance work on the carrier
7.14 Hydraulic system
Taking oil samples
Disconnecting the
hose
7 - 94
•
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.
The hose end (1) is connected to the gauge
port (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.
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GMK7450