Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A technician is troubleshooting a heavy-duty forklift with an independent front suspension. The left front wheel exhibits excessive camber wear on the inner tread. Which component is the MOST likely culprit?
Worn lower control arm bushings introduce excessive play, allowing the wheel to tilt inward at the top, causing negative camber and accelerated inner tread wear
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Question: A technician is troubleshooting a heavy-duty forklift with an independent front suspension. The left front wheel exhibits excessive camber wear on the inner tread. Which component is the MOST likely culprit?
Answer options: ✅ Worn lower control arm bushings on the left side.
- A collapsed coil spring on the right side.
- Under-inflated right front tire.
- A faulty steering gear box.
Correct answer: Worn lower control arm bushings on the left side.
Explanation: Worn lower control arm bushings introduce excessive play, allowing the wheel to tilt inward at the top, causing negative camber and accelerated inner tread wear. This directly impacts the geometry of the independent suspension.
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