Maintenance work on the superstructure
8.10 Hydraulic system
8 - 82 3 302 577 en Maintenance manual
GMK7450
16.08.2018
8.10.10 Changing the hydraulic oil
The oil only needs to be changed if the laboratory analysis results indicate
this;
à Taking oil samples, P. 8 - 76.
Oil, spare parts,
tools
– Connecting piece and hose (tool box);
à P. 7 - 98.
– One or more receptacles, approx. 1,800 l (475 gal);
à P. 2 - 4.
Prerequisites – The truck crane must be level and in on-road mode;
à Operating manual.
– The engine must not be running and must be secured against unauthor-
ised use;
à P. 2 - 3.
– The oil filters must be removed;
à Changing the hydraulic oil filter,
P. 8 - 78.
Closing the valves
• Pull out the locking bolt (1).
• Close the valves – lever (2) at right angles to
the line.
• Insert the locking bolt (1).
Hydraulic oil
in litres
(gal)
Designation
to DIN 51502
Specifications
Classification
GROVE part no.
1,780 (470)
(With MWL)
HVLP DIN 51524-3
Viscosity: ISO-VG 32
04162158
Castrol Hyspin
AWH-M 32
Designation Quantity GROVE part no.
Cover gaske
t 140 / 90 x 3 1 02313899
S
Risk of damage to the hydraulic pumps!
Be sure to secure the engine against unauthorised use.
If the engine is started while the valves in the suction lines are closed, the
hydraulic pumps will be damaged!
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