Honda TRX400EX FOURTRAX 1999 Service Manual page 218

HYDRAULIC DISC BRAKE
ASSEMBLY
PISTON SEAL
Coat a new O-ring with clean brake fluid and install
into the caliper.
Coat new piston seal and dust seal with clean brake
fluid and install them into the seal grooves.
Coat the caliper piston with clean brake fluid and
install it into the caliper cylinder.
Install the pad spring as shown.
If the pin boots are hard or deteriorated, replace
them with new ones.
Install the bracket pin boot into the caliper body and
pack silicone grease to the inside of the boot.
Apply silicone grease to the grease groove in the
slide pin.
Install the slide pin boots and the slide pin so the
boot ribs properly align with the grooves in the
caliper body and slide pin.
14-18
CALIPER BRACKET
BRAKE PADS
IM
PAD SPRING
\
BLEED VALVE
WASHER
WASHER SLIDE PIN
WEAR REFERENCE PLATE
PARKING BRAKE BASE
BRAKE SHAFT
LOCK NU?
it
O-RING
OTS
BOOT
\
ADJUSTING BOLT
SPRING