Hydraulic Oil - Gravely 915172 Operator's Manual

HYDRAULIC OIL

Models 915200, 915202, 915204, 915206,
915216, 915218, 915238, 915240, 915242
Check Hydraulic Oil Level
See Figure 29.
1. Place unit in service position. See
Service Position on page 20.
2. Check oil level in expansion tanks. Oil
should reach the cold fill indicator mark.
NOTICE: Engine should be cold when
checking initial oil level.
3. Operate unit for about 1 minute and
recheck the levels.
4. Add hydraulic oil, if needed. See Add
Hydraulic Oil on page 27.
Add Hydraulic Oil
See Figure 29.
1. Place unit in service position. See
Service Position on page 20.
2. Remove the cap from the expansion tank.
3. Fill the expansion tank with 15W-50
synthetic motor oil (Gravely p/n
00057100) or equivalent until oil level
reaches the cold fill line on the tank.
4. Reinstall the expansion tank cap.
The hydraulic fluid should be at the cold fill
line of the expansion tank.
1
1. Cold Fill Indicator Mark
Figure 29
Change Hydraulic Oil and Filter
Models 915200, 915202, 915204, 915206,
915216, 915218, 915238, 915240, 915242
NOTICE: Change hydraulic fluid and filter
after the first 75 hours of operation and then
every 400 hours. Use 15W-50 synthetic
motor oil (Gravely 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.
1
1. Vent Plug
2. Oil Filter
3. Filter Guard
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).
EN - 27
2
3
Figure 30