Case IH 12524: Right AoH stroke too long during single braking

A 'stroke too long' condition in the Air-over-Hydraulic (AoH) converter indicates excessive travel of the brake actuator or pedal, typically caused by low air pressure, fluid leaks, line restrictions, faulty valves, or worn internal components.

• Puma CVX 170
• Puma CVX 185
• Puma CVX 200
• Puma CVX 215
• Puma CVX 230
• Optum CVX 300

1. 1

   Check the system for low air pressure

2. 2

   Inspect the system for air or hydraulic leaks

3. 3

   Check for restrictions in the brake lines

4. 4

   Inspect for faulty valves or worn foundational brake components

1. 1

   Safely raise the tractor and remove the front wheels.

   This is a prior operation required before servicing the AoH converter.

2. 2

   Lift and handle all heavy components using lifting equipment with adequate capacity.

   The AoH converter and surrounding axle components are heavy objects.

3. 3

   Always support units or parts with suitable slings or hooks.

4. 4

   Ensure the work area is clear of all bystanders before proceeding with the removal of the AoH converter.