8-14
SECTION 8 –
MAINTENANCE AND STORAGE
4. Lubricate the seal and o-ring with
hydraulic fluid.
5. Insert plug into filter bracket.
6. Using a 24mm wrench to hold the plug in
place, install new Charge Pump Filter.
NOTE: Hand-tighten filter until it makes
contact with the o-ring, then tighten
half a turn further.
7. Turn the engine ON.
8. Cycle the pump through normal machine
operation and check for leaks.
Case Drain Filter
1. Using a 2-inch wrench, loosen Case
Drain Hose (located near top of hydrau-
lic reservoir) to prevent siphoning when
changing the Case Drain Filter.
2. Turn Case Drain Filter (located on left-
hand side of machine) to the left to
loosen.
3. Remove and discard used Case Drain
Filter.
4. Install new Case Drain Filter, turning
right to tighten.
5. Re-tighten Case Drain Hose.
Breather Cap
1. Loosen Breather Cap (located on left-
hand side of machine near return filter
housing) by turning “counter-clock-
wise”.
2. Remove and discard used Breather Cap.
Case Drain Hose
(Located near top of hydraulic reservoir)
-Typical View
Case Drain Filter
(Located on left-hand side of machine)
-Typical View
Breather Cap
(Located on left-hand side of
machine near return filter housing)
-Typical View
Summary of Contents for STS12i Combo
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