3.6
Lubrication and maintenance operations
3.6.22 Hydraulic circuit tightness check Check the hydraulic circuit for leakage when the machine is parked on a flat and solid surface, the engine and the battery disconnector are off and the gas bottle is closed.
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Hydraulic circuit tightness check procedure: •
Start the engine and let the machine run at idle speed for approx. 3 – 5 minutes.
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Turn off the engine.
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Open the right material hopper side cover (1).
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Open the engine bonnet (2).
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Check all parts of the hydraulic circuit in the engine compartment, in the hydraulic tank compartment, in the rear wheel drive and screed compartment to prevent leaks of the hydraulic oil. -
All fittings.
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All hoses.
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Hydraulic oil filter.
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Hydraulic pumps.
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Hydraulic motors.
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Vibration motors.
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Control blocks.
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Linear hydraulic motors.
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Hydraulic oil tank.
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Hydraulic oil cooler.
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In case of leaks, have the hydraulic system repaired by qualified maintenance and repair personnel.
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If you find any leaks on the hydraulic circuit:, have the repair performed by an authorised service plant or qualified personnel.
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Close the right material hopper side cover (1).
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Close the engine bonnet (2).
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D451708
Check the hydraulic circuit for leakage when the machine is parked on a flat and solid surface, the engine and the battery disconnector are off and the gas bottle is closed. Wear the prescribed personal protective equipment when checking the hydraulic circuit tightness. There is a risk of burns from the hot parts of the engine. There is a risk of burns from the hot parts of the screed. There is a risk of injury due to the fall of the screed.
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F80W
