Ammann AV 70 X, Operating Manual

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131 AV 70 X
2
1
400630
400629A
478320
h
400111E
MAINTENANCE MANUAL
Remove the cap (1) along with inlet strainer (2). •
Remove the inlet strainer away from the inlet pipe. Wash •
the inlet strainer and purge the strainer with compressed air
from inside.
Check the inlet strainer condition, in case filter element is
•
impaired you must replace it.
Inspect the tank’s inner space. Should there be any impuri-
•
ties on its bottom, clean thoroughly and flush the tank with
new oil.
Remount the tank lid (1) and use a new seal.
•
Drain oil when cooled down below 50 °C
(122 °F).
Observe the fire precautions!
When disconnecting the hydraulic cir-
cuits blind all the ports with plugs.
Collect drained oil and do not let it soak
into ground.
Used oil is ecologically hazardous waste
– hand it over for professional disposal.
Check oil temperature sensor:
Remove the sensor on the hydraulic tank cube and clean the •
contact.
Dip the sensor in water of 100°C (212°F) temperature, check •
its function correctness on the LH cluster – hydraulic oil level
indicator lamp will light up, refer to the Fig.