Fault Symptoms
(1) Excessive tire wear occurs during tractor operation.
(2) Excessive tire wear occurs on one side during tractor operation.
Causes of Malfunction
(1) Severe deformation of front wheel rims or spokes
(2) Improper toe-in adjustment
(3) Severe wear at steering knuckle pivot points
(4) Improper handling and operation
(5) For four-wheel drive models, improper tire selection may cause inconsistent front-rear tire speeds during 4WD operation, leading to accelerated tire wear.
Troubleshooting and Repair
(1) Inspect the front wheel rims or spokes for severe deformation. If deformed, straighten or replace the rims or spokes.
(2) Verify correct toe-in settings. Incorrect toe-in typically causes uneven tire wear on one side. After aligning the front wheels, measure and adjust toe-in.
(3) Inspect the steering knuckle pivot pins for severe wear or front axle deformation due to impact. Replace worn pins or replace the entire front axle if deformation is present.
(4) Determine if the issue stems from insufficient front tire pressure or prolonged operation with the front drive axle engagement handle left engaged.
(5) For four-wheel drive models, verify that tires of different sizes have not been installed contrary to specifications.
(6) Assess whether prolonged use of excessive front counterweights has caused increased tire load and accelerated wear.
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