Maintenance - Mercedes-Benz Unimog Operating Instructions Manual

Oil level of power hydraulics
Important safety notes
G
WARNING
The hydraulic system is under high pressure
and the hydraulic fluid may be hot. If work on
the hydraulic system is carried out incor-
rectly, high-pressure hydraulic fluid may spray
out. There is a risk of injury.
Only have work on the hydraulic system car-
ried out at a qualified specialist workshop.
Checking the fluid level
Always check the oil level before starting
operation of hydraulic equipment.
X
Check the oil level using the on-board com-
puter ( Y page 125).
Topping up the oil
! If any of the hydraulic cylinders have not
been fully retracted, do not top up the oil to
the maximum.
X
Open cap :.
X
Observe the information on hydraulic fluid
( Y page 363).
X
Slowly add hydraulic fluid.
X
Replace cap : and screw it on.
X
Check the oil level of the power hydraulics
( Y page 125).
The oil level display of the power hydraulics
must show approximately 52 l.
X
Activate and then deactivate the power
hydraulics ( Y page 258).
Oil level, hydrostatic drive system
Checking the fluid level
X
The oil level must be between MIN mark ?
and MAX mark =.
Topping up the oil
X
Open red cap :.
X
Observe the information on hydraulic fluid
( Y page 363).
X
Add the hydraulic fluid slowly into reser-
voir ; up to maximum mark =.
X
Replace red cap : and screw it on.
Front PTO shaft

Maintenance

Z
299