Check Mower Belts; Check Hydraulic System - Ariens APEX 48 Operator's Manual

CHECK MOWER BELTS

Check belts for wear and replace as needed.

CHECK HYDRAULIC SYSTEM

Check Hydraulic Oil Level
1. Place unit in service position. See
Service Position on page 14.
2. Check oil level in expansion tanks. Oil
should reach the cold fill indicator mark.
See Figure 20.
IMPORTANT: Engine should be cold when
checking initial oil level.
1. Cold Fill Line
Figure 20
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 20.
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 21.
4. Remove filter guard and oil filter from
transaxle.
1
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 20.
Purge Hydraulic System
Purge air from hydraulic system after draining
oil or changing the filter.
EN - 20
Figure 21
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.