Front
DISASSEMBLY1) Remove mud and foreign matter from caliper body assembly and support.
CAUTION: Be careful not to allow foreign matter to enter the brake hose connector.
2) Using a standard screwdriver, remove the boot ring from piston.
3) Remove the piston boot from piston end.
4) Place a wooden block in caliper body as shown in the figure to prevent the piston from jumping out and being damaged, then gradually apply compressed air via installation hole of brake hose to push piston out.
5) Remove the piston seal from caliper body cylinder.
CAUTION: Do not damage the caliper body cylinder and piston seal groove.
6) Remove the pin boot, then remove the lock pin (yellow) and the guide pin (green).
ASSEMBLY
1) Clean the inside of the caliper body using brake fluid.
2) Apply a coat of brake fluid to piston seal and install piston seal in the groove on caliper body.
3) Apply a coat of brake fluid to the inner surface of the caliper body cylinder and entire outer surface of the piston.
4) Apply a coat of specified grease to the piston boot and install it into the groove on tip of caliper body cylinder.
Grease: NIGLUBE RX-2 (Part No. 000041000)
5) Insert the piston into caliper body cylinder.
CAUTION: Do not force the piston into caliper body cylinder.
6) Position the piston boot in the grooves on caliper body cylinder and piston.
7) Apply a coat of the specified grease to the outer surface of lock pin (yellow) and guide pin (green), cylinder inner surface, and pin boot grooves.
Grease: NIGLUBE RX-2 (Part No. 000041000)
8) Insert the lock pin (yellow) and guide pin (green) and each pin boots into the support.
INSPECTION
1) Repair or replace the faulty parts.
2) Check the caliper body and piston for uneven wear, damage or rust.
3) Check rubber parts for damage or deterioration.