Brakes; Hand Brake - Polaris Sportsman 570 2018 Owner's Manual

MAINTENANCE
Escaping steam can cause burns. Never remove the pressure cap while the
engine is warm or hot. Always allow the engine to cool before removing the
1. Access the pressure cap under the front box. See page 36.
2. Remove the pressure cap.
3. Using a funnel, slowly add coolant through the radiator filler neck.
4. Reinstall the pressure cap. Use of a non-standard pressure cap will not allow
the recovery system to function properly. Your POLARIS dealer canprovide
the correct replacement part.
5. Close and secure the front box and cover.

BRAKES

HAND BRAKE

The front and rear brakes are hydraulic disc brakes, activated by moving the
single brake lever toward the handlebar. These brakes are self- adjusting.
Under normal operation, the diaphragm extends into the reservoir as fluid level
drops. If the fluid level is low and the diaphragm is not extended, a leak is likely
and the diaphragm should be replaced. To ensure proper diaphragm operation,
always fill the reservoir as needed whenever the cover is loosened or removed.
Do not overfill.
An over-full master cylinder may cause brake drag or brake lock- up, which
could result in serious injury or death. Maintain brake fluid at the recommended
The following checks are recommended to keep the brake system in good
operating condition. Check more often if brakes are used heavily under normal
operation.
1. Always keep brake fluid at an adequate level. See page 32.
2. Check the brake system for fluid leaks.
3. Check the brakes for excessive travel or spongy feel.
4. Check the friction pads for wear, damage and looseness. Replace brake
pads when they are worn to .030" (0.762 mm).
5. Check the security and surface condition of the disc. Clean any grease using
a recommended brake cleaner or alcohol. Do not use spray lubricants or
other petroleum-based products. If you discover any damage (cracks,
excessive corrosion, warping) see your dealer for service before operating.
104
CAUTION
pressure cap.
WARNING
level. Do not overfill.