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Maintenance
CAUTION
Raising the mower for service or maintenance
relying solely on mechanical or hydraulic
jacks could be dangerous. The mechanical or
hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall,
which could cause injury.
Do Not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support
6. Start engine and move throttle control ahead to
full throttle position. Move the speed control
levers to the full speed and run for several
minutes. Shut down machine and recheck oil
level.
Note: Do Not change hydraulic system oil (except
for what can be drained when changing lter), unless
it is felt the oil has been contaminated or been
extremely hot.
Changing oil unnecessarily could damage hydraulic
system by introducing contaminates into the system.
Check Wheel Hub Locknuts
Service Interval: After the rst 100 hours
Every 500 hours thereafter
When tightening the lock nut on the wheel motor
tapered shaft:
Torque to 210-250 ft-lb (285-339 N-m).
Note: Do Not use antiseize on wheel hub.
Fuel Tank — Mounting
Hardware Specications
Service Interval: As required
When installing the nuts on the fuel tank studs, fully
tighten the nyloc nut and back off 1/2 turn. This
allows for normal fuel tank expansion and contraction
with changes in temperature and fuel levels.
Thread Locking Adhesives
Thread locking adhesives such as “Loctite 242”
or “Fel-Pro, Pro-Lock Nut Type” are used on the
following fasteners:
• Pump drive sheave set screws.
• Line shaft sheave setscrews.
• Square head setscrews on Hydro pump control
arms.
• Sheave retaining bolt in the end of engine
crankshaft.
• Caster wheel spacer nuts.
• Fuel tank bulkhead tting nuts.
• Motion control tab retaining bolt.
Adhesives such as “Loctite RC/609 or RC/680” or
“Fel-Pro Pro-Lock Retaining I or Retaining II” are
used on the following:
Fuel tank studs, where studs are inserted into tank.
Dielectric Grease
Dielectric grease is used on all blade type electrical
connections to prevent corrosion and loss of contact.
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