Your engine runs a pump used during delivery of compressed gas. Should you turn off the engine before or after unhooking hoses after delivery?
Answer: Turn it off after product transfer, before you unhook the hose.
Answer: Turn it off after product transfer, before you unhook the hose.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.