Servicing Work
Fig. 6
Instructions on Design, Operation, Maintenance and Inspection
13
4 Oil change and bleeding
4.1 Oil change
4.1.1 Draining the oil
N
ote:
An oil change is only required if steering gear units were repaired or replaced.
Do not use any drained oil to refill the system. Avoid any blending of oils.
4.1.2 Draining the steering system
Jack the steered axle up. ¡
Unscrew the pressure and return lines from the steering gear.
Then have the engine run for a short time (maximum 10 seconds) to allow the oil to be sucked
from the pump and the oil tank. Collect any escaping oil in a pan.
Screw in again all components unscrewed earlier.
4.1.3 Draining the steering gear
If existing on the version inspected, unscrew
the screw plugs (55) from the cylinder cover or the housing
the set screw or the collar nut (20 or 128)
the screw (20 or 128)
the bleeder (57)
(Fig. 6).
¡ see vehicle manufacturer’s instructions