Heavy Duty Equipment Technician Red Seal Exam Prep · Question
When working on a piece of heavy equipment that has been raised using a hydraulic bottle jack, what is the most important safety precaution that must be taken after the equipment has reached the desired height?
Hydraulic jacks can fail, and their primary purpose is lifting, not sustaining a load. Jack stands provide a stable, mechanical support that prevents the equipm
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Question: When working on a piece of heavy equipment that has been raised using a hydraulic bottle jack, what is the most important safety precaution that must be taken after the equipment has reached the desired height?
Answer options:
- Ensure the jack's release valve is fully closed. ✅ Place properly rated jack stands under the equipment's designated support points.
- Clean any hydraulic fluid from the jack's piston rod.
- Attach a 'Do Not Operate' tag to the equipment's controls.
Correct answer: Place properly rated jack stands under the equipment's designated support points.
Explanation: Hydraulic jacks can fail, and their primary purpose is lifting, not sustaining a load. Jack stands provide a stable, mechanical support that prevents the equipment from falling in the event of jack failure, making them essential for safety.
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