WHEELS & TIRES
SECTION 7B. FAILURE ANALYSIS
7B-1
7B
PROBLEM PROBABLE CAUSE REMEDY
1. Tractor rides hard. a. Over inflated tires. a. Reduce tire pressure 20 to 24 psi
(1.4 to 1.6 bars) front and 6 to 10
psi (.41 to .68 bars) rear.
2. Tractor wanders. a. Under inflated tires. a. Inflate tires to 20 to 24 psi
(1.4 to 1.6 bars) front and 6 to 10
psi (.41 to .68 bars) rear.
b. Steering malfunctioning. b. Steering test. Refer to Sections
8M, 8N.
c. Wheel nuts loose. c. Tighten nuts to 40-50 ft-lbs.
(54–68 N.m) front.
d. Steer wheels out of adjustment. d. Adjust. Refer to Section 6E.
3. Poor traction. a. Over inflated tires. a. Reduce tire pressure 20 to 24 psi
(1.4 to 1.6 bars) front and 6 to 10
psi (.41 to .68 bars) rear.
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