Toro 520XI Service Manual page 26

CHASSIS
POWER STEERING (cont'd)
3. Disassemble the housing, and clean the
screen with solvent.
22
4. Inspect the "O" rings that seal the lines and
housing. Replace them if there are any
signs of cuts or deterioration, (i.e. hardening
or swelling of the rubber).
Lubricate the "O" rings before reassembly.
5. Reassemble the housing, replace the lines,
and secure to steering tower.
6. Bleed air from the system by turning the
steering wheel from stop to stop several
times.
7. Check the hydrostatic transmission
fluid level.
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2.0144.076
2.0144.086
2.0144.16
5xi Series Tractor Service Manual