Telehandler Operator Certification Exam Prep · Question
An operator is extending the boom of a telehandler to place a pallet of roofing shingles onto a second-story roof. They notice that the boom extends in a jerky, inconsistent manner. Which of the following is the most probable cause?
Air in the hydraulic system can cause spongy or jerky operation as the air compresses and expands, leading to inconsistent movement of the boom extension. Overf
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Question: An operator is extending the boom of a telehandler to place a pallet of roofing shingles onto a second-story roof. They notice that the boom extends in a jerky, inconsistent manner. Which of the following is the most probable cause?
Answer options: ✅ Air present in the boom-extension hydraulic system.
- The telehandler's hydraulic oil is overfilled.
- The main lift cylinder is malfunctioning.
- The engine RPM is too low for the operation.
Correct answer: Air present in the boom-extension hydraulic system.
Explanation: Air in the hydraulic system can cause spongy or jerky operation as the air compresses and expands, leading to inconsistent movement of the boom extension. Overfilling the hydraulic oil or a malfunctioning main lift cylinder would present different symptoms, and low engine RPM would typically cause sluggishness, not necessarily jerky movement.
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