Underdrive Brake Inspection
Underdrive Brake Inspection1. Measure free length underdrive brake piston return spring. If necessary, replace.
Underdrive brake piston return spring free length
Standard: 63.20 mm (2.49 in.)
NOTE: Do not apply excessive force when measuring spring height.
2. Measure free length underdrive brake piston rod spring. If necessary, replace.
Underdrive brake piston rod spring free length
Standard: 17.50 mm (0.68 in.)
