Walker H27i - Transaxle Oil and Filter Change

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Maintenance Instructions LUBRICATION
Transaxle Oil and Filter Change
Change the transaxle oil after the initial break-in
period of 75-100 hours. Thereafter, change oil ev-
ery 400 hours of operation as follows:
1. Thoroughly clean the exterior of the transaxle
housing before servicing. Remove expansion
reservoir cap to allow venting. Using a 1/4 in.
hex wrench, remove the plug on the lower in
side of each transaxle allowing the oil to drain.
2. Remove the oil lter guard, remove and replace
the oil lter using an oil lter wrench. Tighten
lter by turning lter 3/4 to 1 turn after gasket
contacts the lter base surface. Reinstall the oil
lter guard. (Refer to Transaxle Oil Drain
Plug, Filter, and Guard Location illustration.)
Oil Filter
Oil Filter
Guard
Oil Drain
Plug
Transaxle Oil Drain Plug, Filter, and
Guard Location
(Shown with Deck Support Arms
Removed for Clarity)
3. Reinstall drain plugs.
4. Remove the oil reservoir hose attached to the
elbow on top of the transaxles. Remove the
elbows to access the oil ll opening.
5. Fill the transaxles with 20W50 (API Service
Class SL or higher) oil through the opening
(where the elbows were). Fill up to the opening.
6. Before reinstalling the elbows, screw the lock
ing nut on the elbows down until they are snug
(the oring on the elbow will be to the bottom of
the oring groove).
Elbow
Screw Locking
Nut Down
Reinstall Transaxle Elbows
7. Reinstall the elbows. When the elbow begins to
be snug, position the elbow as it was when re
moved and tighten the locknut. Reinstall reser
voir hoses to elbows.
8. Fill reservoir to 1/41/2 in. (613 mm) with
20W50 (API Service Class SL or higher) oil.
9. Start and drive the unit for 12 minutes.
10. If the transaxles sound noisy or have poor steer
ing response, there may be air trapped in the
transaxles. Follow purge instructions below.
11. If oil needs to be added, refer back to steps 510.
12. To purge air from the transaxle, raise tractor and
block with tires o󰀨 the ground. With engine run
ning, slowly move Forward Speed Control for
ward and backward 5 to 6 times. Turn o󰀨 en
gine and check oil level and add if needed.
Repeat procedure until transaxles operate at
normal noise levels and move smoothly in for
ward and reverse.