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Ventrac 4500Y - Changing Hydraulic Oil Filters

Ventrac 4500Y
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SERVICE
Service - 41
Checking Rear Transaxle Oil
Check the rear transaxle oil level when the oil is
cold, prior to operating the power unit.
1. Park the power unit on a level surface.
2. Engage the parking brake and shut off the engine.
A
3. Remove the rear
weights from
the hitch bar (if
equipped).
4. Remove the oil
ll plug (A) from
the transaxle and
check to see if the
oil level is even
with the bottom of
the oil ll hole.
5. If the oil level is
low, add HydroTorq XL synthetic hydraulic oil
until level with the bottom of the oil ll hole.
6. Reinstall the rear weights (if equipped).
Changing Hydraulic Oil Filters
1. Park the power unit on a level surface.
2. Engage the parking brake and shut off the engine.
3. Remove the key from the ignition switch and
allow time for the hydraulic system to cool.
4.
WARNING
Hot oil can cause severe burns. Allow the oil
temperature to drop from hot to warm before
changing the oil lters.
Remove the hydraulic lter access cover.
5. Clean the hydraulic lters, lter heads, and the
area around the lters.
6. Place a drain pan (minimum 4 quart / 3.78 liter)
under the hydraulic lters.
A
B
7. Use a strap type lter
wrench to unscrew both
the large (A) and small (B)
hydraulic lters from the
lter heads and allow the
oil to drain into the pan.
8. Ensure the lter mounting
surfaces are clean.
9. Apply a thin lm of clean
oil to the gasket of the new
large lter and screw the
lter onto the lter head
until the gasket makes
contact with the mounting surface. Tighten the
lter an additional 3/4 of a turn (may require
using a strap type lter wrench).
10. Apply a thin lm of clean oil to the gasket of the
new small lter and screw the lter onto the lter
head until the gasket makes contact with the
mounting surface. Tighten the lter an additional 1
turn (may require using a strap type lter wrench).
11. Clean up any spilled oil and dispose of oil and
lters in accordance with local laws.
CAUTION
Oil is hazardous to the environment. Drain oil into
an approved container and dispose of used oil in
accordance with local laws.
12. If hydraulic oil is being changed at the same
time as the lters, skip the remaining steps and
proceed to Changing Hydraulic Oil section.
13. Add HydroTorq XL synthetic hydraulic oil to the
hydraulic oil tank until the oil level in the plastic
sight tube is within the proper range indicated by
the oil level decal.
14. Start the power unit and let it run at low idle
engine speed for a few minutes. Turn the steer-
ing wheel to the left and right a couple of times to
purge any trapped air out of the hydraulic system.
15. Shut off the power unit engine and allow the
power unit to sit for a minimum of 5 minutes.
16. Check the hydraulic oil level. Refer to the man-
ual section for checking hydraulic oil level.
17. Inspect both hydraulic lters for signs of leak-
age. If any leaks are evident, the lter may need
tightened further, or the lter may need to be
removed, the gasket and lter mount cleaned,
and the lter reinstalled following the procedures
for changing the lter.
18. Reinstall the hydraulic lter access cover.

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