122
PR239
6. Place the brake caliper assembly into position and
secure with new “patch-lock” cap screws. Tighten
the caliper to 20 ft-lb.
7. Place a new crush washer on each side of the brake
hose fitting and install it on the caliper. Tighten to 20
ft-lb.
8. Fill the reservoir; then bleed the brake system (see
Periodic Maintenance - Hydraulic Brake Systems).
9. Install the wheel. Tighten to 40 ft-lb (steel) or 80
ft-lb (aluminum).
10. Remove the ATV from the support stand and verify
brake operation.
Troubleshooting Drive
System
Troubleshooting Brake
System
! WARNING
Never use brake fluid from an open container or reuse
brake fluid. Moisture-contaminated brake fluid could
cause vapor build-up (expansion) during hard braking
resulting in greatly increased stopping distance or loss
of control leading to injury or death.
Problem: Power not transmitted from engine to wheels
Condition
Remedy
1.
Rear axle shafts serration
worn - broken
1. Replace shaft
Problem: Power not transmitted from engine to either front wheel
Condition
Remedy
1.
Secondary drive - driven gear teeth
broken
2.
Propeller shaft serration
worn - broken
3.
Coupling
damaged
4.
Coupling joint serration
worn - damaged
5.
Front drive - driven bevel gears
broken - damaged
6.
Front differential gears/pinions
broken - damaged
7.
Sliding dogs/shaft fork
worn - damaged
8.
Front drive axle
worn - damaged
9.
Front drive axle serration
worn - damaged
1. Replace gear(s)
2. Replace shaft
3. Replace coupling
4. Replace joint
5. Replace gear(s)
6. Replace gears - pinions
7. Replace gear(s)
8. Replace axle
9. Replace axle
Problem: Braking poor
Condition
Remedy
1.
Pad
worn
2.
Pedal free-play
excessive
3.
Brake fluid
leaking
4.
Hydraulic system
spongy
5.
Master cylinder/brake cylinder seal
worn
1. Replace pads
2. Replace pads
3. Repair - replace hydraulic system component(s)
4. Bleed hydraulic system - correct or repair leaks
5. Replace master cylinder
Problem: Brake lever travel excessive
Condition
Remedy
1.
Hydraulic system
entrapped air
2.
Brake fluid
low
3.
Brake fluid
incorrect
4.
Piston seal - cup
worn
1. Bleed hydraulic system
2. Add fluid to proper level
3. Drain system - replace with correct fluid
4. Replace master cylinder
Problem: Brake fluid leaking
Condition
Remedy
1.
Connection joints
loose
2.
Hose
cracked
3.
Piston seal
worn
1. Tighten joint
2. Replace hose
3. Replace brake caliper
Содержание 2014 XC 450
Страница 1: ...450 ATV SERVICE MANUAL 2014 ...
Страница 3: ......
Страница 130: ...Printed in U S A Trademarks of Arctic Cat Inc Thief River Falls MN 56701 p n 2259 833 ...