POWER ASSISTED STEERING SYSTEM
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page 39
of 143
Installation, Maintenance and Owner's Manual
ULTRAFLEX
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During the whole bleeding procedure, make sure that oil inside the tank is at
the maximum level. If necessary, top it up.
NOTICE
- When oil comes out of the bleed valve (without air bubbles), close the bleed
valve with a torque of 20 Nm (15 lb ft) and continue to turn the steering wheel
in the same direction to fill the cylinder chamber (picture 3).
During this operation, the cylinder body will move to the opposite direction up
to the end of stroke.
3
3.8.2 Single cylinder system bleeding
3
Oil starts circulating in the system, filling the hydraulic hoses and lowering the oil level inside the
tank.
4
Top up the tank until reaching the maximum level.
- When the system is off, unscrew the two bleed valve protections and loosen
nuts "A" of the two bleed valves 1.5 turns max.
- Manually push the cylinder body to one side until it stops as shown in picture 1.
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Close the bleed valve on the cylinder end of stroke side with a torque of 20
Nm (15 lb ft) and put an oil recovery tank near the other bleed valve (as
shown in picture 2).
- Turn the system on.
- Turn the steering wheel slowly (as shown in picture 2) so that the oil can
come out of hoses,
l
A
2
1
NOTICE
Make sure the cylinder remains in its position; if necessary, turn the steering
wheel in the opposite direction so that the cylinder returns to its proper position
and repeat the operation.
2 Turn the system on.
NOTICE
In case of use with inboard cylinders, follow the indications in the corresponding
use and maintenance manuals for the hydraulic hose connection.
