Polaris RANGER 500 2018 Service Manual page 322

FUEL SYSTEM
WARNING
Failure to clean area around fuel pump may lead to
debris entering the fuel tank during service. Excessive
debris in fuel tank may cause premature wear of fuel
pump and/or clogging of internal fuel filters.
7. Place the Fuel Pump Service Tool (PU-50326) over
the fuel pump PFA nut. Using a 1/2" drive ratchet or
breaker bar, loosen and remove the PFA nut. Discard
the PFA nut.
Apply downward force on the fuel pump flange while
removing the fuel pump PFA nut.
8. Carefully lift the fuel pump out of the fuel tank. As the
fuel pump assembly is being removed, be aware of
float arm and pump pre-filter. Hold the float arm to the
pump body as you lift and tilt the pump to ensure that
the float arm is not bent when removed from the tank.
9. Transfer old fuel pump to a suitable container capable
of safely holding fuel. The fuel pump will retain some
fuel.
10. Inspect the inside of the fuel tank for debris (may
require flashlight and mirror). If debris like mud or
4.22
NOTE
sand is present, fuel tank should be flushed and
cleaned out prior to installation of new fuel pump
assembly.
It is recommended to remove the fuel tank from the
vehicle and rinse it with a small amount of clean fuel.
Do not use water or any other chemicals to remove
11. Remove new fuel pump assembly, gasket and PFA
nut from packaging. Use care not to bend float arm
when unpacking. Do not lift or carry fuel pump
assembly by the float arm.
12. Use cleaning wipes provided to clean fuel tank
surface and threads. Remove all debris, grease and
oil. Allow surfaces to dry completely.
13. Install new PFA gasket onto fuel pump assembly
using care not to damage gasket or bend float arm.
14. Install fuel pump into fuel tank, hold float arm to the
pump body and tilt assembly to ensure float arm does
not get caught or bent during installation.
15. Gently push down on fuel pump flange ensuring
flange is centered.
16. Roughly align orientation mark on fuel pump between
the orientation marks on fuel tank to ensure float arm
does not get bent or snagged. The arrow on the fuel
pump should be between the two marks on the fuel
tank
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
NOTE
debris.
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