Tire Pressure; Brake - Toro Wheel Horse 520xi Operator's Manual

Maintenance
Figure 36

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 25 operating hours or monthly, whichever
occurs first (Fig. 37). Check the tires when they are
cold to get the most accurate pressure reading.
Pressure: 20 psi (138 kPa) front and rear
Figure 37
1. Valve stem
36

Brake

Always set the parking brake when you stop the
machine or leave it unattended. Check the brake
before each use. If the parking brake does not hold
securely, an adjustment is required.
Checking the Brake
1. Park the machine on a level surface, disengage
the power take off (PTO), put the High–Low
range lever in "N," set the parking brake, and
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turn the ignition key to "STOP" to stop the
engine. Remove the ignition key.
2. The rear wheels must lock and skid when you try
to push the tractor forward. Adjustment is
required if the wheels turn and do not lock; refer
to Adjusting the Brake.
Adjusting the Brake
The brake adjustment is at the rear of the tractor (Fig.
39). If the parking brake does not hold securely, an
adjustment is required.
1. Check the brake before you adjust it; refer to
Checking the Brake.
2. Place the transmission in neutral.
3. Depress the brake pedal. There should be 2" (51
mm) of free travel (Fig. 38) before the brake
begins to engage.
1
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