Product Manual

EN - 26
Change Hydraulic Oil and Filter
Models 915226, 915227, 915228, 915229
NOTICE: Change hydraulic fluid and filter
after the first 75 hours of operation and then
every 400 hours. Use 15W-50 synthetic
motor oil (Ariens p/n 00057100) or
equivalent.
1. Operate unit for a few minutes to warm
hydraulic oil.
2. Stop engine, remove key and wait for all
moving parts to stop and for hot parts to
cool.
3. Position container under oil filter to catch
used oil.
See Figure 30.
4. Remove filter guard and oil filter from
transaxle.
5. Remove the vent plug from the inlet port
and allow the transaxle to drain
completely.
6. Wipe filter-mounting surface clean.
7. Lubricate rubber gasket on new oil filter
with clean hydraulic oil.
8. Spin filter onto filter housing until it makes
contact, and then turn filter 3/4 turn to
tighten.
9. Reinstall filter guard and torque to 7.3
N•m (65 lb-in). DO NOT overtighten.
10. Add 15W-50 synthetic motor oil (Gravely
p/n 00057100) or equivalent until oil
appears at the bottom of the vent port
(1892.7 mL (64 fl. ounces) per transaxle).
11. Reinstall the vent plug and tighten to 20.3
N•m (180 lb-in).
12. Add hydraulic oil to expansion tank until
oil reaches cold fill indicator mark. See
Add Hydraulic Oil on page 25.
13. Repeat steps 3 – 12 for other transaxle.
14. Purge hydraulic system. See Purge
Hydraulic System on page 27.
Figure 29
The hydraulic fluid should be at the cold fill
line of the expansion tank.
1. Cold Fill Indicator Mark
1
Figure 30
1. Vent Plug
2. Oil Filter
3. Filter Guard
1
3
2