The Challenger ZEV-IOM-A is the direct-replacement installation and operation manual for the Challenger lift it came off of — the genuine part, same fit and same working specification as the one already on your lift. Ordering the Challenger installation and operation manual from us gets you the OEM piece that matches the lift, not an aftermarket knock-off that is close but not the same.

Specifications

• Part number: ZEV-IOM-A
• Brand: Challenger
• Type: Genuine OEM installation and operation manual

An airline is only interesting because of what it controls — usually the lock releases and, on some lifts, pneumatic lock engagement. Shop air runs through it to pull the pawls so the lift lowers evenly. When the line cracks, kinks, or a fitting leaks, the lift may not release all its locks together, which means it comes down cocked. A small pneumatic problem shows up as a lock-timing problem.

Replacing your installation and operation manual

Replacing structural hardware means matching the original's grade, size, and length — not just what fits the hole — and torquing it to spec, especially on anchors and load-bearing fasteners. Confirm nothing is left loose or under-grade. Because the wrong fastener fails under shock load, the complete walkthrough is worth following start to finish. Not sure on the procedure? Find your lift in our parts lookup or call and we will walk you through it.

Find the right part for your lift

Want to be sure before you buy? Pull the model and serial off your lift's plate and open our Challenger parts lookup to open the exploded parts breakdown for your model — find your part on the drawing and you know it fits. New to finding your model number? our guide to finding your model number covers it, or send a photo of the plate and we will read it for you.

Signs it's time to replace it

Give the lift a general walk-around for the small stuff that gets missed. Look for missing pins, clips, and retainers; loose covers and guards; chafed wiring or tubing; and anything rattling that shouldn't. These little items don't stop the lift, but a missing retainer or an unguarded pinch point is how a small oversight turns into an injury or a bigger failure down the line.

Parts commonly replaced at the same time

Ask about the companions. Even a minor part is a chance to handle the other items your lift is due for, and we can pull the parts breakdown for your model to see what usually pairs with it. One order, one delivery, fewer trips up the ladder.

Safety notes

Do not treat the small stuff as optional. Missing or unreadable decals fail an inspection, and an under-rated accessory in the wrong place is a real hazard. Match the part to your model, install per the manual, and keep the lift the way it was certified to run.

Before you order

Have your model and serial handy and tell us what you are solving — even small parts have the right and wrong version for a given lift. We will make sure you get the correct one so you are not waiting on a reorder.

Check your lift's serial before ordering

The most common reason a lift part comes back is not a defect — it is a revision mismatch. Manufacturers change sub-parts between production runs while keeping the same lift model name, so "it fits my lift model" is not always enough. The model plate carries the serial number that pins your lift to a specific run, and that is the number that settles which version of this part belongs on your lift.

Can't find the plate? Measure the old part — overall length, bolt-hole spacing, thread size on anything threaded — and photograph it from a couple of angles. Send that with your lift's brand and rough age and we will match it against the parts breakdowns we service from every week.

Why buy your Challenger installation and operation manual from Auto Lift Services

We install, inspect, and repair Challenger lifts every week — the ZEV-IOM-A is a part we handle in the shop, not a random SKU we drop-ship. The phone answers if you have a question mid-install — call 800-674-9302 — and every part ships genuine, no aftermarket substitution unless you ask for it.