9.5 Check, rell, change the hydraulic
oil
Risk to people and the environment
from toxic substances when lling
the hydraulic oil tank.
Avoid contact with and inhalation of hydraulic
oil.
Wear protective clothing (protective goggles,
protective gloves).
Provide suitable oil drain pans and oil abso-
rbents.
Ensure that no hydraulic oils, lubricants, or
cleaning materials contaminate the soil or
leak into the drainage system.
Comply with local regulations for handling
water pollutants, for example for absorbing
leaking uids or uids from oil separators.
Hydraulic oil is highly inammable, combu-
stible.
1. Check hydraulic oil level on the hydraulic oil tank.
The oil level must not exceed the minimum
value ("min“).
2. Place the oil drain pan under the tank, remove tank
cap and rell hydraulic oil to the "max“mark.
3. Ensure that the vents work and that no vacuum is
generated.
4. Screw on the tank cap so that the tank is properly
sealed.
5. Remove oil residues on the oor or on the lift with
an approved detergent. Dispose of used cleaning
cloths in the correct manner.
6. Complete a maintenance report ( → Annex).
An oil change is carried out depending on
the extent to which the hydraulic oil has
degraded. To do so, proceed as follows:
1. Lower arriages completely, turn main switch off
("OFF“ position) and lock it.
2. Place the oil drain pan under the hydraulic oil
Fig. 18
tank, completely disassemble the tank and empty
out the remaining oil into the drain pan.
3. Replace the hydraulic oil tank in the correct
manner.
4. Fill approved hydraulic oil up to the "max“-mark.
Maximum capacity of empty tank.
5. Bleed the cylinders both column.
6. Remove oil residues on the oor or on the lift with
an approved detergent. Dispose of used cleaning
cloth in the correct manner.
7. Turn main switch back on ("ON“ setting).
8. Check that control buttons and switches function
properly.
9. Carry out function tests with and without load.
10 Complete maintenance report ( → Annex).
33
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