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Greasing the PTO Drive Belt Idler
1. Grease the fitting on the PTO belt idler arm pivot
(Fig. 32).
Figure 32
Cleaning the Cooling System
Service Interval/Specification
Before each use, check and clean engine cooling system.
Remove any build–up of grass, dirt or other debris from
the cylinder and cylinder head cooling fins, air intake
screen on flywheel end, and carburetor–governor levers
and linkage. This will help insure adequate cooling and
correct engine speed and will reduce the possibility of
overheating and mechanical damage to the engine.
Checking the Tire Pressure
Service Interval/Specification
Maintain the air pressure in the front and rear tires as
specified. Check the pressure at the valve stem after every
40 operating hours or monthly, whichever occurs first
(Fig. 33). Check the tires when they are cold to get the
most accurate pressure reading.
Rear Tire Pressure: 12–14 psi (83–97 kPa)
Caster Tire Pressure: 25–30 psi (172–207 kPa)
1. Rear Tire
Adjusting the Electric Clutch
The clutch is adjustable to ensure proper engagement and
proper braking. Check adjustment after every 100 hours of
m–5247
operation.
1. To adjust clutch, tighten or loosen lock nuts on flange
studs (Fig. 34).
2. Check adjustment by inserting feeler gauge thru slots
next to studs (Fig. 34).
3. The proper disengaged clearance between the clutch
plates is 0.012–0.018 inch (0.30-0.45 mm). It will be
necessary to check this clearance at each of the three
slots to ensure the plates are parallel to each other.
1
1. Adjusting nut
2. Slot
32
1
2
Figure 33
2. Caster tire
m–2600
Figure 34
3. Feeler gauge
m–6367
2
3
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