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3
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Figure 58
1. Master cylinder
2. Cover bail
Wheels and Tires
Torque Wheel Nuts
After the first ten (10) hours operation, check torque on the
wheel nuts and every 200 hours thereafter.
1. Torque lug nuts for front wheels 60–70 ft.-lb.
(81–95 N⋅m).
2. Torque lug nuts for rear wheels to 30–35 ft.-lb.
(41–47 N⋅m).
Checking the Tire Pressure
Since the machine can be operated under many different
types of turf conditions, proper tire pressure is very
important. Check tire condition and pressure daily and use
the following guide to maintain maximum turf conditions:
Traction Unit Tires
• Under Normal mowing conditions and when used on a
wide variety of turf grasses: 15 psi (100 kPa) front; 13
psi (90 kPa) rear.
• When turf is wet and softer than normal, use low
pressure: 12 psi (80 kPa) front and 9 psi (60 kPa) rear.
• When turf is dry and harder than normal, use higher tire
pressure: 18 psi (120 kPa) front and rear.
Castor Wheel Tires
• All conditions use 50 psi (340 kPa) castors.
Cutting Unit Lubrication
Follow guidelines in the Lubrication Chart to properly
maintain the units. To gain access to the center and inner
spindle shaft fittings on each outboard unit, proceed as
follows:
3. Reservoir cover
49
Note: To grease spindle bearings, apply 2–3 pumps with a
hand grease gun for each spindle.
1. Position machine on level surface, lower cutting units to
shop floor, engage parking brake, shut engine off and
remove key from ignition switch.
2. Remove the inner deck pulley cover (Fig. 59).
Figure 59
1. Inner cover
3. Use belt to rotate inner and center spindle pulleys until
grease fittings can be accessed with a grease gun.
4. Grease fittings and replace cover.
Blade Maintenance
Note: Although not needed for normal maintenance
procedures, the front cutting unit can be pivoted (tilted) to a
fully upright position (Fig. 60). Should you desire to tilt the
cutting unit, proceed as follows:
Figure 60
Tilting the Cutting Unit Upright
1. Position front cutting unit so rear castor wheels just
clear the floor, set parking brake and shut engine off.
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