Ing Hydraulics - Mercedes-Benz Unimog Operating Instructions Manual

Maintenance
298
Checking the oil level and topping up
the oil
X
Park the vehicle on a level surface.
X
Start the engine.
X
Tilt the cab ( Y
X
Push locking spring = and remove plug
connector ?.
X
To check: pull out oil dipstick ;.
X
Wipe oil dipstick ; with a lint-free cloth.
X
Reinsert oil dipstick ; as far as it will go
and pull it out again.
X
Check the oil level of the steering.
The oil level must be between MIN mark B
and MAX mark A.
X
Insert oil dipstick ; as far as it will go.
X
Remove plug ?.
X
To top up: unscrew cap :.
X
Observe the information on oil
( Y page 367).
X
Top up with the necessary amount of oil.
X
Replace cap : and screw it on.
Checking the oil level of the working
hydraulics
General notes
The following systems are supplied with
hydraulic oil via the hydraulic oil reservoir:
working hydraulics
R
fan hydraulics
R
page 314).
lifting cylinder of the tipper platform
R
auxiliary steering on the rear axle
R
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
X
Lower the tipper platform (
X
On the attached equipment, retract the
working cylinder piston rods (see manufac-
turer's operating instructions).
X
Switch off the engine.
X
Check the fluid level with level gauge ;.
The oil level must be within the visible area
of level gauge ;.
Topping up the hydraulic fluid
X
Open cap :.
X
Observe the information on hydraulic fluid
( Y page 363).
X
Top up the hydraulic fluid until it is in the
centre of the visible area of level gauge ;.
X
Replace cap : and screw it on.
Y page 277).