Maintenance and inspections
32
9.5.1
Checking the hydraulic oil level
Checking the hydraulic oil level
X
Lower the platform completely.
X
The oil level should lie approximately 2 cm under the fill opening.
X
Top up the oil if needed.
The check of the hydraulic oil level is completed.
9.5.2
Changing the hydraulic oil
Changing the hydraulic oil
X
Raise the platform and secure it.
X
Place oil collection containers under the hydraulic cylinders.
X
Detach the hydraulic hoses on the hydraulic cylinders and place the open
ends in the oil collection continers.
X
Press the «Lift» control on the control device (
) until no more
hydraulic oil runs out of the hoses.
X
Reattach the hydraulic hoses to the hydraulic cylinders.
X
Remove the bleeder screw from the tank.
X
Fill up the hydraulic oil. Fill quantity:
Chap. 2.3 "Technical data", page 7
.
X
Screw the bleeder screw on the tank.
X
Bleed the hydraulic system (
Chap. 9.5.3 "Bleeding the hydraulic system",
The hydraulic oil change is completed.
9.5.3
Bleeding the hydraulic system
Aerate the hydraulic system after changing the hydraulic oil or after resolving a
malfunction.
•
The aeration procedures should be performed by at least two (preferably
three) persons.
•
During the aeration procedures, hydraulic oil may need to be refilled.
Aerating the main lifting unit
Fig. 9-2 Plug pos. 1
Summary of Contents for ML40
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