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4.1.15 Remove engine shrouds and clean cooling fins:
Service Interval: See Engine Owner's Manual
a) Stop engine and wait for all moving parts to stop. Engage parking brake.
Remove key or spark plug wire(s).
b) Remove cooling shrouds from engine and clean cooling fins. Also clean
dust, dirt and oil from external surfaces of engine which can cause
improper cooling.
c) Make sure cooling shrouds are properly reinstalled. Operating the engine
without cooling shrouds will cause engine damage due to overheating.
4.1.16 Change fuel filter
:
Service Interval: As Required
a) A fuel filter is installed in the fuel line between the fuel tank and the engine.
Replace when necessary.
4.1.17 Refer to Engine Operators Manual for detailed maintenance regarding the engine.
4.1.18 Wheel hub
- slotted nut torque specification.
When tightening the slotted nut on the wheel motor tapered shaft:
a) Torque the slotted nut to 100 ft. lbs. (136 N-m).
b) Further tighten the nut until the next set of slots line up with the cross hole
in the shaft.
c) Replace cotter pin.
Note: Do not use anti-seize compound on the wheel hub.
4.1.19 Thread locking adhesives such as “Loctite 242” or “Fel-Pro, Pro-Lock Nut-Type”
are used on the following fasteners:
a) Pump sheave setscrews.
b) Square head setscrews on hydro pump control arms.
c) OPC lever setscrews.
d) Shoulder bolts in ends of speed control crank.
e) Sheave retaining bolt in end of engine crankshaft.
f) Fuel tank bulkhead fitting threads.
Adhesives such as “Loctite RC/609 or RC/680” or “Fel-Pro Pro-Lock Retaining I
or Retaining II” are used on the following:
a) OPC lever hubs and cross-shaft
NOTE: Care must be used
not to bond the bearing, next to each OPC hub,
to the cross shaft which could cause binding of the OPC levers and erratic
operation.
b) Fuel tank studs, where studs are inserted into tank.
4.1.20 An anti-seize compound
is used on the following locations:
a) Between the blade drive and pump drive sheaves and engine crankshaft.
4.1.21 Mobil HTS grease (or food-grade antisieze) is used in the following locations:
a) Between the cutter housing spindle and bearings.
b) Between the cutter housing spindle and sheave.
c) Under top cutter housing bearing guard.
4.1.22 Dielectric grease
is used on all blade type electrical connections to prevent
corrosion and loss of contact.