33
STEINER
450
MAINTENANCE
TRANSAXLE OIL LEVELS
Fill oil expansion tank (G) so the hose port on the
bottom of the tank is covered with oil when cold.
.
TRANSAXLE OIL CHANGE PROCEDURE
Change oil and filters per maintenance chart on
Page 27 or at any time contamination is suspected.
Approximately 11.5 qts of approved hydraulic oil is
needed to change oil.
1. Lift seat and remove air bleeder screw
A
.
2. Remove fill hose
B
from clamp
C
and orientate
so any oil in hose will not leak out.
3. Remove fill hose cap
D
.
4. Loosen hose clamp on suction hose
E
.
5. Remove suction hose
F
from fitting on filter head.
6. Remove drain plugs (not shown) from front
and rear transaxles. Remove rear skid plate to
access rear filter and the drain plug on the rear
transaxle.
7. Allow the oil to drain.
8. Remove the oil filters and wipe filter heads clean.
9. Fill the new O.E.M. hydraulic filters with
approximately .82 quarts of hydraulic oil and lube
the filter gaskets.
10. Install the new hydraulic filters. Tighten 3/4 to
1 turn after gasket makes contact with the filter
base. Do not overtighten.
11. Re-install drain plugs in both transaxles.
12. Fill front transaxle through suction hose with
approximately 6 quarts of oil.
13. Reinstall the suction hose
F
onto the fitting on the
filter head.
14. Tighten the hose clamp
E
.
15. Fill the rear transaxle through the fill tube with
approximately 6 quarts of oil. NOTE: You may
need to fill the tank multiple times and allow to
drain.
16. Replace the fill port fitting. Reinstall bleeder
screw
A
, fill hose cap
D
and fill hose
C
to clamp
B
.
17. Fill the expansion tank
G
so the hose port on the
bottom of the tank is covered with oil.
18. Run engine, and turn steering wheel extreme
right to extreme left several times to purge all air
from the circuit.
19. Drive the unit back and forth about 50 feet to
purge air from the drive circuit.
20. Repeat steps 17-20 as needed to purge all air
from system.
HYDROSTATIC TRANSMISSION
When servicing any part of the hydrostatic
system, observe clean shop practices. A
small amount of contamination in the high
pressure circuit will cause damage to the
system. Improper hoses can cause injury.
See your Schiller Grounds Care, Inc. dealer
for quality service parts and service of the
high pressure hydrostatic system.
