Swing-Arm Tyre Changers: Preparation and Safe Working Boundaries

A swing-arm tyre changer should be used by trained personnel following the exact machine manual and the tyre and wheel manufacturers' instructions. This overview helps identify preparation needs and stop conditions; it is not a universal mounting, demounting or inflation procedure.

Check compatibility before starting

Identify the machine, wheel and tyre. Confirm that the equipment, clamps, protective components and accessories are suitable for that assembly. Special tyre constructions, damaged wheels, multi-piece rims and unfamiliar assemblies must not be treated as routine work without the relevant training, equipment and instructions.

Review the correct procedure for the assembly, including its pressure state and any tyre-pressure-monitoring sensor. Check the condition of the machine and tools, keep the operating area clear and use the protective equipment required by the workplace risk assessment.

Use the approved method and materials

Clamping, bead breaking, tool positioning, rotation and assistance arrangements vary between machines and assemblies. Follow the specified sequence and use the tyre lubricant and protective components approved for the task. Keep clear of moving parts and pinch points.

If the tyre will not move as expected, stop and reassess compatibility, damage, tool setup and the applicable instructions. Do not increase force or improvise a workaround. This article does not recommend using a heat gun or other improvised heating method to soften a tyre bead.

Treat bead seating and inflation as a separate risk

Tyre inflation can release dangerous stored energy. Use the inflation equipment, restraint or guarding arrangements, exclusion zone and limits specified for the assembly and task. A sound from the tyre is not proof that the bead is correctly or safely seated.

Do not exceed the applicable tyre, wheel or equipment limits to force bead seating. Stop if the bead does not seat correctly, damage is suspected or the instructions are unclear. Follow the approved safe recovery procedure and seek competent assistance. No universal inflation or bead-seating pressure is supplied here.

Machine faults belong with competent service personnel

Report unexpected movement, poor clamping, air leaks or damaged controls. Follow the site's out-of-service procedure and do not bypass guards, interlocks or pressure controls. Servicing and adjustment require the correct instructions and competent personnel.

Ask YOKI for model-specific support

Provide the make, model, serial number, assembly details and a clear description of the issue. YOKI supports equipment from all brands and will confirm the appropriate service scope.

Request service support