Heavy Duty Equipment Technician Red Seal Exam Prep · Question
During a pre-shift inspection of an articulated wheel loader, the operator observes significant free play (slop) in the articulation joint, exceeding manufacturer specifications. What is the immediate safety concern and required action?
Excessive free play in the articulation joint of an articulated machine severely compromises stability, increasing the risk of rollovers, especially on uneven t
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Question: During a pre-shift inspection of an articulated wheel loader, the operator observes significant free play (slop) in the articulation joint, exceeding manufacturer specifications. What is the immediate safety concern and required action?
Answer options: ✅ Increased risk of rollover due to unstable articulation, the machine must be immediately tagged out of service for repair.
- Reduced steering response, necessitating reduced operating speed until repairs can be made.
- Accelerated wear on the hydraulic steering cylinders, requiring fluid sampling and analysis.
- Minor discomfort for the operator, which can be tolerated until the end of the shift.
Correct answer: Increased risk of rollover due to unstable articulation, the machine must be immediately tagged out of service for repair.
Explanation: Excessive free play in the articulation joint of an articulated machine severely compromises stability, increasing the risk of rollovers, especially on uneven terrain. Per Alberta OHS Code, Section 202, any defect affecting safe operation requires the equipment to be removed from service immediately.
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