Polaris PREDATOR 2003, Service Manual

Page: 32 / 193

MAINTENANCE
2.17
COOLING SYSTEM
PRESSURE TEST
See Chapter 3 for testing procedures.
RADIATOR SCREEN REMOVAL
1. Remove the 4 screws retaining the radiator
screen for access to the radiator fins when
cleaning.
AIR FILTER AND PRE--FILTER
SERVICE
It is recommended that the air filter and pre--filter be
inspected frequently. When riding in extremely dusty
conditions, replacement is required more often.
The pre filter should be cleaned before each ride using
the following procedure:
1. Unlatch and remove the seat.
2. Loosen the intake duct clamp (A) on the
carburetor and pull the duct (B) off the carburetor.
3. Remove clips (C) from air box cover and remove
cover (D). Inspect the cover. It should adhere
tightly and seal all the way around.
4. Remove the air filter (E). Inspect and replace if
necessary. If the filter has been soaked with fuel
or oil it must be replaced.
Cleaning:
5. Remove the pre--filter (F) and the crankcase
breather filter (G). Clean with hot, soapy water.
Allow to dry thoroughly.
6. Inspect pre filter for tears or damage.
7. Inspect the intake and air box for cracks,
deterioration, abrasion, or leaks.
Ill.1
A
B
C
D
E
F
G
Installation:
8. Reinstall crankcase breather filter, pre--filter and
air filter into air box. Place intake assembly into
position and reinstall clips.
9. Reinstall the intake duct to the carburetor and
tighten the clamp sufficiently.
NOTE: Apply a small amount of general purpose
grease to the sealing edges of the filter before
reinstalling.
AIR BOX SEDIMENT TUBES
Periodically check the air box drain tube located
toward the rear of the machine. Drain whenever
deposits are visible in the clear tube.
1. Remove drain plug from end of sediment tube.
2. Drain tube.
3. Reinstall drain plug.
Sediment Tubes
Ill.2
NOTE: The sediment tube will require more frequent
service if the vehicle is operated in wet conditions or
at high throttle openings for extended periods.
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