Service a multi-piece rim only in a cage
Practice the sequence you already learned for “Service a multi-piece rim only in a cage” until the order feels automatic. Drill OSHA 1910.177 from tire-shop training. A multi-piece or split-rim wheel is not inflated outside the restraining device, and seating is checked before the assembly leaves the cage.
- Deflate the tire completely by removing the valve core before demounting.
- Inspect rim components for cracks, bends, or mismatch.
- Discard cracked, bent, or mismatched parts.
- Lubricate the bead and rim mating surfaces as the manufacturer requires.
- Place the assembly in the restraining cage before inflation.
- Inflate with a clip-on chuck and a remote in-line gauge.
- Stay out of the trajectory during inflation.
- Inspect seating and lock rings while the assembly is still in the cage.
- Deflate by removing the valve core before any seating adjustment.
- Do not hammer a pressurized multi-piece rim.
- Do not rest on or stand over the cage while the tire is pressurized.