Heavy Equipment Operator Certification Exam Prep · Question
What is the primary reason for performing a 'swing test' of the boom after setting outriggers but before commencing full-scale digging?
A 'swing test' (a slow, controlled swing of the boom) helps confirm machine stability and confirms the outriggers are properly set and holding before the operat
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Question: What is the primary reason for performing a 'swing test' of the boom after setting outriggers but before commencing full-scale digging?
Answer options:
- To 'warm up' the hydraulic system. ✅ To verify that the outriggers are properly set and the machine is stable before applying full digging forces.
- To ensure the boom's swing speed is set to maximum.
- To check for any obstructions in the immediate vicinity of the swing radius.
Correct answer: To verify that the outriggers are properly set and the machine is stable before applying full digging forces.
Explanation: A 'swing test' (a slow, controlled swing of the boom) helps confirm machine stability and confirms the outriggers are properly set and holding before the operator commits to full digging forces, preventing tipping and ensuring a safe work platform.
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