SERVICE
Service - 35
Changing Hydraulic Oil Filter
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 hydraulic
oil temperature to drop from hot to warm before
changing the oil filter.
Clean the hydraulic filter (A), the filter head, and
the area around the hydraulic filter.
5.
A
Place a small drain pan under the hydraulic filter.
6.
Use a filter wrench to unscrew the hydraulic filter
from the filter head and allow the oil to drain into
the pan.
7.
Ensure the filter mounting surface is clean.
8.
Apply a thin film of clean oil to the gasket of the
new filter and screw the filter onto the filter head
until the gasket makes contact with the mount-
ing surface. Tighten the filter an additional 1 turn
(may require using a filter wrench).
9. Clean up any spilled oil and dispose of oil and
filter in accordance with local laws.
10.
CAUTION
Oil is hazardous to the environment. Drain oil into
an approved container and dispose of used oil in
accordance with local laws.
If hydraulic oil is being changed at the same
time as the filters, skip the remaining steps and
proceed to Changing Hydraulic Oil section.
11. Start the power unit and let it run at low idle
engine speed for several 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.
12.
Shut off the power unit engine and allow the
power unit to sit for a minimum of five minutes.
13. Check the hydraulic oil level and add HydroTorq
XL synthetic hydraulic oil, if necessary. Refer to the
manual section for checking hydraulic oil level.
14.
Inspect the hydraulic filter for signs of leakage.
If any leaks are evident, the filter may need
tightened further, or the filter may need to be
removed, the gasket and filter mount cleaned,
and the filter reinstalled following the procedures
for changing the filter.
Changing Hydraulic Oil
1. Wash the underside and sides of both the front
and rear transaxles thoroughly.
2. Park the power unit on a level surface and adjust
the steering to aim the power unit straight ahead.
3. Fully raise the front hitch.
4.
Engage the parking brake and shut off the engine.
5. Remove the key from the ignition switch and
allow time for the hydraulic system to cool.
6.
WARNING
Hot oil can cause severe burns. Allow the hydraulic
oil temperature to drop from hot to warm before
draining the hydraulic oil.
Remove the front transaxle skid plate from the
power unit.
7. Place a drain pan (minimum 7 quart / 6.5 liter)
under the front transaxle drain.
8. Remove the drain plug (A) from the front trans-
axle and allow the hydraulic oil to drain from the
system. Loosen the cap on the hydraulic oil tank
to allow venting.
9.
A
Clean the drain plug, reinstall into the front
transaxle, and torque to 22 ft-lbs (30 Nm).
