Community QuestionSeen on 5 CBTs
Your engine runs a pump when you are delivering compressed gas. After finishing the delivery, when should you turn off the engine? 1) Leave it on the entire time. 2) Turn it off after unhooking the hoses. 3) Turn it off on arrival; use other power to run the pump. 4) Turn it off before unhooking the hoses.
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Answer
Turn it off before unhooking the hoses.