Second Brake

DISASSEMBLY
1. REMOVE PISTON RETURN SPRING





a. Place Special Service Tool (SST) on the piston return spring and compress. SST 09387-00060
b. Using a screwdriver, remove the snap ring.





c. Remove the piston return spring.
2. REMOVE 2ND BRAKE PISTON





a. Hold the 2nd brake piston and apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the 2nd brake cylinder to remove the 2nd brake piston.





b. Remove the 2 O-rings from the 2nd brake piston.

INSPECTION





1. CHECK 2ND BRAKE PISTON RETURN SPRING
Using vernier calipers, measure the free length of the spring together with the spring seat.
Standard free length: 16.61 mm (0.6539 inch)

REASSEMBLY
1. INSTALL 2ND BRAKE PISTON





a. Coat 2 new O-rings with ATF and install them in the 2nd brake piston.





b. Be careful not to damage the O-rings and press in the 2nd brake piston into the 2nd brake cylinder with a your hands.
2. INSTALL PISTON RETURN SPRING





a. Install the piston return spring.





b. Place Special Service Tool (SST) on the piston return spring, and compress the piston return spring with a press.
SST 09387-00060
c. Using a screwdriver, install the snap ring.

NOTICE: Be sure the end gap of the snap ring is not aligned with the piston return spring claw.