Bleeding The Hydrostatic And Hydraulic Systems - Husqvarna Rider Pro 18 AWD Workshop Manual

Bleeding the Hydrostatic and
Hydraulic Systems
1. Remove the transmission cover.
IMPORTANT INFORMATION
Ensure cleanliness. Used oil may not be
reused. See "Hydraulic Hygiene" on page 113.
IMPORTANT INFORMATION
The tank must never be run empty while
work is underway. Risk of air entering
the system.
2. Check the oil level in the hydrostatic
transmission. The oil tank may be, in this
position, over filled.
3. Constantly check the oil level in the
hydrostatic transmission and fill as
needed.
4. Set the bypass valves for the front and
the rear axles in the open position with
the release control extended.
5. Start the engine and set the accelerator
to idle.
6. Idle the engine for approximately 1 minute
while the forward respective reverse
pedals are alternately pressed down.
7. Fill the hydraulic tank.
8. Turn the steering wheel repeatedly from
one extreme position to the other until
the steering works without jerks or stops.
9. ProFlex run the hydraulic cutting unit
between its end positions repeatedly.
Hold the lever still for 0.5-1 second to
ensure that the hydraulic cylinder
reaches its end position.
10. Close the bypass valves and test drive
the machine.
11. Finally, check the hydrostatic
transmission oil level and fill or drain the
oil tank as needed.
12. Replace the transmission cover.
REPAIR INSTRUCTIONS
Transmission cover
Clutch control, front axle
Clutch control, rear axle
Hydraulic cutting unit lift
8009-603
8009-700
8009-690
8009-326
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