WHEELS AND TIRES
7B-3
SECTION 7B. FAILURE ANALYSIS
GENERAL
The following table lists common problems, probable
causes, and suggested remedies with section refer-
ences to detailed descriptions of remedial procedures.
PROBLEM PROBABLE CAUSE REMEDY
1. Tractor rides hard a. Over-inflated tires a. Reduce tire pressure to
14 psi (96 kPa)
2. Tractor wanders a. Under-inflated tires
b. Malfunctioning traction motor
c. Steering malfunctioning
d. Wheel nuts loose
e. Steer wheels out of adjust-
ment
a. Inflate tires to 14 psi (96 kPa)
b. Repair traction motor. See
Section 8E and Section 8F
c. Steering test. Refer to
Section 8L
d. Tighten front wheel bolts to
55 ft-lbs (75 Nm)
Tighten rear wheel bolts to 80
ft-lbs (108 Nm)
e. Adjust. See Section 6D
3. Poor traction a. Over-inflated tires a. Reduce tire pressure 14 psi
(96 kPa)
7B
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