Hub; Hydraulic Brake Caliper - Arctic Cat 2009 366 Service Manual

INSTALLING
1. Slide the gear case into position through the left
side of the frame; then secure it to the frame with
cap screws and lock nuts. Tighten to 45 ft-lb.
2. Secure the engine output shaft to the rear gear case
input flange with four cap screws (coated with red
Loctite #271) and lock nuts. Tighten to 20 ft-lb.
3. Install the rear drive axles (see Drive Axles in this
section).
REMOVING
1. Secure the ATV on a support stand to elevate the
wheel; then remove the wheel.
! WARNING
Make sure the ATV is solidly supported on the support
stand to avoid injury.
2. Remove the cotter pin from the nut.
NOTE: During assembly, new cotter pins should
be installed.
3. Remove the flange nut securing the hub.
4. Remove the brake caliper.
5. Remove the hub assembly.
6. Remove the four cap screws securing the brake
disc.
CLEANING AND INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Clean all hub components.
2. Inspect all threads for stripping or damage.
3. Inspect the brake disc for cracks or warping.
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Hub

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4. Inspect the hub for pits, cracks, loose studs, or
spline wear.
INSTALLING
1. Secure the brake disc to the hub with the four cap
screws coated with blue Loctite #243. Tighten to
15 ft-lb.
2. Apply grease to the splines in the hub.
3. Install the hub assembly onto the shaft.
4. Secure the hub assembly with the nut. Tighten
only until snug.
5. Secure the brake caliper to the knuckle with the
two cap screws. Tighten the caliper to 20 ft-lb.
6. Tighten the hub nut (from step 4) to 200 ft-lb; then
install and spread a new cotter pin making sure
each side of the pin is flush to the hub nut.
KC283
7. Install the wheel and tighten to 40 ft-lb.
8. Remove the ATV from the support stand.

Hydraulic Brake Caliper

NOTE: The brake calliper is a non-serviceable
component; it must be replaced as an assembly.
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