When initiating loading, the articulated hauler driver should stop the truck a safe distance from the excavator, then wait for what signal from the loader operator?

Question: When initiating loading, the articulated hauler driver should stop the truck a safe distance from the excavator, then wait for what signal from the loader operator?

Answer options:

• A honk from the loader's horn. ✅ A visual signal or 'spotter's' signal to back under the bucket.
• A radio call confirming the loader bucket is empty.
• The loader operator to dismount and physically direct the truck.

Correct answer: A visual signal or 'spotter's' signal to back under the bucket.

Explanation: The operator must await a clear visual signal from the loader operator or a designated spotter before backing under the bucket to ensure safety and proper positioning, as emphasized in CSA B335.