Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A heavy-duty articulated dump truck with hydraulic steering experiences noticeable play in the steering wheel and delayed response from the wheels. What is the MOST likely cause of this issue?
Low hydraulic fluid in the steering system reservoir will starve the pump, leading to cavitation and insufficient pressure to actuate the steering cylinders eff
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Question: A heavy-duty articulated dump truck with hydraulic steering experiences noticeable play in the steering wheel and delayed response from the wheels. What is the MOST likely cause of this issue?
Answer options: ✅ Low hydraulic fluid level in the steering system reservoir.
- A seized steering cylinder.
- Over-pressurized steering system relief valve.
- Contaminated power steering fluid return line.
Correct answer: Low hydraulic fluid level in the steering system reservoir.
Explanation: Low hydraulic fluid in the steering system reservoir will starve the pump, leading to cavitation and insufficient pressure to actuate the steering cylinders effectively, resulting in play and delayed response. Regular fluid level checks are essential for hydraulic system health.
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