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Maintenance
Torque the slotted nut to 140-155 ft-lb (190-210
N-m).
Note: Do Not use anti-seize on wheel hub.
• Style B (yellow zinc):
1. Remove and discard the cotter pin.
2. Torque the slotted nut to 100 ft-lb (136 N-m).
3. Check distance from bottom of slot in nut to
inside edge of hole. Two threads (0.1 inch) or
less should be showing.
Figure 10
1. 0.1 inch max 2. No more than two
threads (0.1 inch max)
should be showing here.
4. If more than two threads (0.1 inch) are
showing remove nut and install washer (P/N
1-523157) between hub and nut.
5. Torque the slotted nut to 100 ft-lb (136 N-m).
6. Then tighten nut until the next set of slots line
up with the cross hole in shaft. Do Not loosen
nut to align the slot. If required, tighten to
the next set of slots.
7. Install new cotter pin (P/N 1-806800).
Note: Do Not use anti-seize on wheel hub.
Thread Locking Adhesives
Thread locking adhesives such as “Loctite 242”
or “Fel-Pro, Pro-Lock Nut Type” are used on the
following fasteners:
• Pump sheave setscrews.
• Square head setscrews on hydro pump control
arms.
• OPC lever setscrews.
• Shoulder bolts in ends of speed control crank.
• Sheave retaining bolt in end of engine crankshaft.
• Fuel tank bulkhead tting 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:
• 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.
• Fuel tank studs, where studs are inserted into tank.
Mobil HTS Grease (Or
Food-Grade Anti-seize)
Mobil HTS grease (or food-grade anti-seize) is used
in the following locations:
• Between the cutter housing spindle and bearings.
• Between the cutter housing spindle and sheave.
• Under top cutter housing bearing guard.
Copper-Based Anti-seize
Copper-based anti-seize is used in the following
locations:
Between the blade drive and pump drive sheaves and
engine crankshaft.
Dielectric Grease
Dielectric grease is used on all blade type electrical
connections to prevent corrosion and loss of contact.
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