2009 Polaris 800 IQ Owners Manual - Page 101

2009 Polaris 800 IQ Manual

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MAINTENANCE Brakes Bleeding the Hydraulic Brake System Air in the hydraulic brake system will cause spongy brake lever action. Bleed the system before operating the snowmobile. WARNING Operating the vehicle with a spongy brake lever can result in loss of brakes, which could cause an accident and lead to serious injury or death. Never operate the vehicle with a spongy-feeling brake lever. During the bleeding procedure, keep the brake handle as level as possible. The reservoir must be in this position to minimize the possibility of air entering the system through the reservoir vent. 1. Remove the brake master cylinder reservoir cover and gasket. 2. Fill the master cylinder reservoir to between the MIN and MAX marks or 1/4-5/16I (.6-.8 cm) below the lip of the reservoir opening. Reinstall the gasket and cover. 3. Slip a rubber tube over the ball of the bleeder valve and direct the flow of fluid into an approved container. 4. Squeeze the brake lever a full stroke. Then unscrew the bleeder valve 3/4 of a turn to release air. 5. Close the bleeder valve and release the brake lever. 6. Repeat steps 4 and 5 until fluid flows from the bleeder valve in a solid stream free of air bubbles. WARNING Overfilling the master cylinder leaves no room for fluid expansion and may cause the brakes to lock, resulting in serious injury or death. Always add brake fluid to the fill line as recommended. 7. After bleeding is complete, refill the reservoir to the proper level. See page 97. 8. Reinstall the gasket and cover. 98

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98
MAINTENANCE
Brakes
Bleeding the Hydraulic Brake System
Air in the hydraulic brake system will cause spongy brake lever action.
Bleed the system before operating the snowmobile.
During the bleeding procedure, keep the brake handle as level as possi-
ble. The reservoir must be in this position to minimize the possibility of
air entering the system through the reservoir vent.
1.
Remove the brake master cylinder reservoir cover and gasket.
2.
Fill the master cylinder reservoir to between the MIN and MAX
marks or 1/4-5/16
I
(.6-.8 cm) below the lip of the reservoir open-
ing. Reinstall the gasket and cover.
3.
Slip a rubber tube over the ball of the bleeder valve and direct the
flow of fluid into an approved container.
4.
Squeeze the brake lever a full stroke. Then unscrew the bleeder
valve 3/4 of a turn to release air.
5.
Close the bleeder valve and release the brake lever.
6.
Repeat steps 4 and 5 until fluid flows from the bleeder valve in a
solid stream free of air bubbles.
7.
After bleeding is complete, refill the reservoir to the proper level.
See page 97.
8.
Reinstall the gasket and cover.
WARNING
Operating the vehicle with a spongy brake lever can result in loss of brakes,
which could cause an accident and lead to serious injury or death. Never
operate the vehicle with a spongy-feeling brake lever.
WARNING
Overfilling the master cylinder leaves no room for fluid expansion and may
cause the brakes to lock, resulting in serious injury or death. Always add
brake fluid to the fill line as recommended.