Gears
Gasket
Sealing ring
Crescent-shaped spacer
Same direction
Inclined direction
Opposite direction
Perpendicular direction
Actuator
Control valve
Air service unit
Pressure relief valve
Spur gear
Spiral gear
Rotor gear
Helical gear
Less pedal play
More pedal play
Defective unloader valve
Defective front wheel slack adjuster
