Torquing The Wheel Lug Nuts; Belt Maintenance; Checking The Drive-Belt Tension - Toro CM-658H-S Operator's Manual

Figure 52
1. Example of tire wear caused by underinflation
Figure 53
1. Example of tire wear caused by overinflation
2. Ensure that the tires are inflated to the correct
air pressure; refer to
Important:
The most common cause of tire
trouble is under-inflation. Maintain full air
pressure.
Torquing the Wheel Lug
Nuts
Service Interval: After each use
Torque the wheel lug nuts initially and after towing.
Torque the wheel lug nuts 108 to 122 N∙m (80 to 90
ft-lb), in the sequence shown in
Figure 54
Tire Air Pressure (page
Figure 54.

Belt Maintenance

Checking the Drive-Belt
Tension
Service Interval: Every 20 hours—Check the
g020836
The drive belts should each have 1 cm (13/32 inch)
of flex when applying 6.8 kg (15 lb) of pressure, at
mid-span (Figure
g010293
37).
1. Flex of 1 cm (13/32 inch)
1. Park the machine on a level surface and shut
off the engine.
2. Allow the engine to cool.
g021107
3. Disconnect the wire from the spark plug; refer to
Disconnecting the Spark-Plug Wire (page
38
drive-belt tension and adjust it as
necessary. Replace the drive belts
if they show any signs of wear,
cracks, glazing, or damage.
55).
Figure 55
Drive Belts
2. Straightedge
g019731
30).