Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A technician is assessing the wear on a set of track links using a track wear gauge. The gauge indicates that the pin and bushing wear is approaching the 'wear limits for rebuild/turn' threshold. What is the recommended service action?
When pin and bushing wear approaches the 'wear limits for rebuild/turn', it means the components are nearing the end of their first service life and should be s
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Question: A technician is assessing the wear on a set of track links using a track wear gauge. The gauge indicates that the pin and bushing wear is approaching the 'wear limits for rebuild/turn' threshold. What is the recommended service action?
Answer options:
- Immediately replace the entire track chain assembly.
- Adjust the track tension to compensate for the wear. ✅ Plan for a track pin and bushing turn or replacement in the near future.
- Apply a hard-facing welding process to the worn pins and bushings.
Correct answer: Plan for a track pin and bushing turn or replacement in the near future.
Explanation: When pin and bushing wear approaches the 'wear limits for rebuild/turn', it means the components are nearing the end of their first service life and should be scheduled for a pin and bushing turn (rotating the pins and bushings 180 degrees) or replacement, to maximize component life and prevent further damage. Immediate replacement is only necessary if they are beyond the 'wear limits for replace'.
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