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
10-12 psi (69-83 kPa)
2. Tractor wanders a. Under-inflated tires
b. Malfunctioning tractor motor
c. Steering malfunctioning
d. Wheel nuts loose
e. Steer wheels out of adjust-
ment
a. Inflate tires to 10-12 psi (69-
83 kPa)
b. Repair traction motor. Refer
to Section 8E and Section 8F
c. Steering test. Refer to
Section 8O
d. Tighten wheel bolts to 88 to
95 ft-lbs (115 to 128 Nm)
e. Adjust. Refer to Section 6D
3. Poor traction a. Over-inflated tires a. Reduce tire pressure to 10-12
psi (69-83 kPa)
7B
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