The Rotary FJ7506-6 arm restraint gear is the direct replacement for the Rotary lift it came off of. Cross-referenced as ALS-7534-81, it is the genuine Rotary part — same part number, same fit, and same working specification as the one already on your lift. Ordering the Rotary arm restraint gear 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: ALS-7534-81
• Brand: Rotary
• Type: Genuine OEM arm restraint gear

There is no part on a lift where "I'll get to it later" is more misplaced than the locks. This is the component that holds a car over a technician's head. A rounded tooth or a sticky pawl gives no second warning — it holds until the day it doesn't. Restraint gear and safety latches are cheap and the labor is modest; skipping them to save an afternoon trades a small job for a catastrophic one.

Lock parts wear slowly but steadily every time the lift cycles. Each engagement bangs the pawl against a tooth; over thousands of cycles the contact faces peen over and round off. Dirt and dried grease build up in the pivot until the pawl gets lazy. A commercial lift that racks up cycles all day will round its lock teeth years before a low-use lift does — but neglect and rust can age either one fast.

Related parts for this lift

The parts below are commonly ordered alongside this one — cables, sheaves, seals, and hardware wear on similar schedules, and most repairs go faster when the whole set is done in one visit.

• Inner Front Swing Arm - Rotary FJ7491-6
• Right Rear Outer Swing Arm - Rotary FJ7494-1
• Left Swing Arm - Rotary FJ7491
• Right Front Outer Swivel Arm - Rotary FJ7492-1
• RF Swing Arm SPOA98 $ 1,008.15 - Rotary - FJ7492
• Restraint Kit WRP90 (4 arms) $ 1,665.12 $ 1,498.61 - Rotary - FJ7506KIT FJ7506

Replacing your arm restraint gear

A sticky or worn pawl replacement means freeing or renewing the pawl, its pivot, and its return spring so it drops into the ladder without hesitation. Clean the mechanism, install the new parts, and test that the pawl snaps home and retracts fully on release. Because a lazy pawl is the difference between a lift that catches and one that doesn't, walk through the complete guide before you trust it. Full step-by-step: how to replace lift arm restraint gears.

Find the right part for your lift

Landed here but not 100% sure it is your part? Grab the model and serial from the data plate and open our Rotary parts lookup for the visual breakdown — the manufacturer-style drawing with every item numbered so you can match yours exactly. Plate missing? our guide to finding your model number helps, and we identify lifts from photos every week if you would rather ask.

Signs the locking system needs attention

Look at the pawl nose itself, not just the ladder. The contact face wears and rounds the same way the teeth do, and a rounded nose on a good ladder still skips. If the nose is peened, chipped, or no longer square, replace the pawl even if the ladder looks fine — both faces have to be sharp to hold.

Parts commonly replaced at the same time

Order lock parts as a group. Even, synchronized engagement depends on matched hardware on both columns, so the latch, pawl, spring, and release cable are best done together. It is cheaper in one pass, and we keep the right versions for your production run — one call gets the whole kit.

Safety notes

Do not run a lift whose locks do not click crisply and together. Worn pawls and stretched release cables let a carriage settle onto a tooth that is not fully seated — which is exactly how a lift fails under load. Adjust and replace lock parts as a set, and test engagement on both columns before the lift carries weight.

Before you order

A quick check before ordering: model, serial, and whether one or both columns need work. Lock designs vary by year, and matched hardware on both sides is what keeps engagement even. If your release cable is due too, add it now rather than reopening the column later.

Confirm this is the right part before you order

Lift manufacturers revise parts mid-production without changing the model name, so the same lift bought two years apart can take two different revisions of the same component. Before you order, find the model plate on the lift — on most 2-post lifts it rides on one of the columns at eye level, on 4-post lifts it is usually on a column or the power-unit side runway — and note the full model number and serial. The serial dates the lift to a production run, and that is what decides which revision fits.

If the plate is painted over or missing, take a photo of the part you are replacing next to a tape measure and send it to us. Between the dimensions, the mounting pattern, and what lift it came off of, we can almost always identify the exact part before you spend money on the wrong one.

Why buy your Rotary arm restraint gear from Auto Lift Services

We install, inspect, and repair Rotary lifts every week — the ALS-7534-81 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.