EN - 23
3. Operate engine for 1 minute and recheck
oil levels.
4. Add hydraulic oil, if needed.
a. Remove expansion tank caps.
b. Fill expansion tanks with 15W-50
synthetic motor oil until oil reaches the
cold fill indicator mark.
See Figure 26.
c. Reinstall expansion tank caps.
Change Hydraulic Oil and Filter
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 27.
4. Remove filter guard and oil filter from
transaxle.
5. Remove the vent / fill plug from the fill
port and allow 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 until oil
appears at the bottom of the fill port
(1892.7 mL (64 fl. ounces) per transaxle).
11. Reinstall the vent / fill plug and torque to
20.3 N•m (180 lb-in).
12. Add hydraulic oil to expansion tank until
oil reaches cold fill indicator mark.
13. Repeat steps 3 – 12 for other transaxle.
14. Purge hydraulic system. See Purge
Hydraulic System on page 23.
Purge Hydraulic System
Purge air from hydraulic system after draining
oil or changing the filter.
1. Park unit facing a wall or chock wheels.
2. Release parking brake.
Figure 26
1. Cold Fill Line
1
WARNING: AVOID INJURY.
This adjustment requires
operating the engine. Use
extreme care to avoid contact
with moving parts and hot
surfaces. Be sure rear of unit
is well supported and secure
before starting engine.
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