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b) Carefully clean area around filter. It is important that no dirt or
contamination enters the hydraulic system.
c) Unscrew filter and remove.
IMPORTANT: Before reinstalling new filter, fill it with Mobil 1 15W-
50 and apply a thin coat of oil on the surface of the rubber seal.
Turn filter clockwise until rubber seal contacts the filter adapter, and
then tighten the filter an additional 2/3 to 3/4 turn. Use only Exmark
(Part No. 1-513211) or Eaton (Part No. 103144) filter elements.
d) Start engine and run several minutes.
g) Check hydraulic oil level as outlined in 6.1.9.
6.1.19.2 Change hydraulic oil:
Service Interval: Yearly
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Carefully clean area around small fitting under oil reservoir. Loosen
clamp, remove hose, and allow oil to drain from reservoir. It is
important that no dirt or contamination enters the hydraulic system.
Reinstall hose and tighten clamp.
c) Clean around reservoir cap and Refill reservoir to center of sight
gauge with Mobil “1” 15W-50.
d) Start engine and run several minutes.
e) Recheck hydraulic oil level as outlined in 6.1.9. Do not attempt to
drain all oil in hydraulic system (except what drains out of the filter or
reservoir when changing filter or hydraulic oil); unless it is felt that
the oil has been contaminated or becomes extremely hot. Changing
oil unnecessarily, could damage the hydraulic system by
introducing contaminates into the system.
6.1.20 Inspect Electric clutch gap:
Service Interval: 250 hrs.
Refer to Section 6.2.12 for inspection and adjustment procedures.
6.1.21 Refer to the Engine Owner’s Manual for detailed maintenance required for
servicing the engine.
6.1.22 Wheel hub, slotted nut torque specification.
a) Tighten the slotted nut on the transaxle tapered shaft and torque to 100 ft. lbs.
b) After proper torque has been applied, turn the nut until the next set of slots
lines up with the cross hole in the shaft.
c) Replace cotter pin.
NOTE: Do not use anti-seize compound on the wheel hub.
6.1.23 Thread locking adhesives such as "Loctite 242" or "Fel-Pro Pro-Lock, Nut-Type"
are used on the following fasteners:
a) Bolt which mounts blade drive clutch to engine crankshaft.
b) Transaxle drive shaft pillow block bearing setscrews.
c) Bolts which attach transaxle to lower stabilizer bracket.
d) Caster wheel spacer nuts (Reference Section 6.1.14).
6.1.24 An anti-seize compound on the following locations:
a) Between the pillow block bearings and the transaxle shafts.