4.20
CARBURATION AND FUEL SYSTEM
© Copyright 2011 Polaris Sales Inc.
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
13. Install new PFA gasket onto the sending unit
assembly using care not to damage gasket or bend
float arm.
14. Install the sending unit into fuel tank, hold float arm to
the sending unit body and tilt assembly to ensure float
arm does not get caught or bent during installation.
15. Gently push down on sending unit flange ensuring
flange is centered.
16. Roughly align capped vent fitting with orientation
marks on fuel tank to ensure float arm does not get
bent or snagged.
17. While maintaining downward pressure, thread new
PFA nut onto fuel tank and hand tighten. Use care
when starting PFA nut, ensuring threads are properly
aligned. Verify orientation marks are still aligned
between sending unit and fuel tank.
18. Torque PFA nut to specification using the Fuel Pump
Service Tool (PU-50326), 3 in. extension (if needed)
and a calibrated torque wrench.
19. Verify alignment of sending unit and tank orientation
marks.
20. Connect fuel hose to fuel sender fitting. Install fuel
hose clamp.
21. Connect the fuel level sending unit electrical harness.
22. Re-install the body components that were previously
removed.
23. Check for leaks and repair if necessary.
Failure to align the orientation marks may lead
to interferences with the fuel level float arm
and cause incorrect function.
70 ± 5 ft. lbs.
(95 ± 7 Nm)
PU-50326
Fuel Pump PFA Nut:
70 ± 5 ft. lbs. (95 ± 7 Nm)
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