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Heavy Equipment Operator Certification Exam Prep · Question

What is the recommended practice for placing stabilizer pads under the outriggers on soft or uneven ground?

Stabilizer pads increase the footprint of the outriggers, distributing the machine's weight over a larger area to prevent sinking on soft ground and maintain st

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Question: What is the recommended practice for placing stabilizer pads under the outriggers on soft or uneven ground?

Answer options:

  • Use the smallest pad available to maximize ground pressure for stability.
  • Place the pads directly under the outrigger feet without checking the ground condition. ✅ Use pads that are large enough to distribute the load over a greater area, preventing the outriggers from sinking.
  • Stack multiple small pads to achieve the desired height, improving leverage.

Correct answer: Use pads that are large enough to distribute the load over a greater area, preventing the outriggers from sinking.

Explanation: Stabilizer pads increase the footprint of the outriggers, distributing the machine's weight over a larger area to prevent sinking on soft ground and maintain stability, a key practice taught in OPSWA HEO curriculum and IUOE 793.

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