Maintenance Instructions B27i
Lubrication
48
Check Transaxle Fluid Level
● The transaxle oil lubrication is SAE 20W-50
(API Service Class SL or higher) engine oil.
● Inspect both transaxle cases and hoses after
every 25 hours of operation for visible leaks.
● The uid level of the transaxles can be
checked visually by looking at the uid level in
the expansion reservoir. When the transaxles
are cold, the uid level in the expansion reser-
voir should be between 1/4 in. and 1/2 in. (0.64
cm and 1.27 cm).
Reservoir
Cap
Hose to
Transaxles
Cold Level
Hot Level
Expansion Reservoir Location
Transaxle Oil and Filter Change
Change the transaxle oil after the initial break-in
period of 75-100 hours. Thereafter, change oil
every 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
inside of each transaxle allowing the oil to
drain.
2. Remove the oil lter guard, remove and re-
place 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. Rein-
stall the oil lter guard. Refer to Transaxle Oil
Drain Plug, Filter, and Guard Location illustra-
tion.
Oil Filter
Guard
Oil Drain
Plug
Oil Filter
Transaxle Oil Drain Plug, Filter, and
Guard Location
3. Reinstall drain plugs.
4. Remove the oil reservoir hose attached to the
elbow on top of the transaxles. Remove the
elbow 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 open-
ing.
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
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