Oil Pump Priming - Polaris RANGER 400 Owner's Manual

MAINTENANCE
Engine Oil
Oil and Filter Change
14. Lubricate the gasket on the new filter with a film of new engine oil. Make sure the gasket
is in good condition. Make sure the gasket from the old filter is not still on the engine.
15. Install the new filter and turn by hand until the filter gasket contacts the sealing surface,
then turn and additional 1/2 turn.
16. Approximately one cup of engine oil will remain in the crankcase. To drain, remove the
drain plug on the lower right side of the crankcase.
Tip: The sealing surfaces on the drain plug and crankcase should be clean and free of burrs, nicks or
scratches.
17. Reinstall the drain plug. Torque to 14 ft. lbs. (19 Nm).
18. Remove the dipstick. Add two quarts (1.9 l) of recommended oil. If the sump is not
drained, add about 1 3/4 quarts (1.6 l) initially.
19. Reinstall the dipstick.
20. Prime the oil pump using the procedure below. Then stop the engine and inspect for
leaks.
21. Check the oil level on the dipstick. Add oil as necessary to bring the level to the upper
mark on the dipstick.
22. Dispose of used filter and oil properly.

Oil Pump Priming

This priming procedure must be performed whenever
the oil hose connection between the oil tank and pump
inlet has been disconnected.
1. Clamp or pinch off the vent line approximately 2"
(5 cm) from the oil tank, between the end of the oil
tank vent fitting and the vent line's pressure relief
slit.
2. Start the engine. Allow it to idle for 10-20 seconds.
3. Remove the vent line clamp. If the line is bled
properly, you should hear a rush of air, indicating
that the line is properly primed and ready for operation.
Tip: If you do not hear air, the line has not bled. Repeat the priming procedure.
58
Tank
2"
(5 cm)
Clamp
Pressure
Relief Slit