Polaris 2014 Sportsman 570 EF Service Manual page 142

ENGINE
7. Remove the crankshaft removal / installation tool
(PU-50784) from the crankcase.
8. Be sure crankshaft is fully seated and rotates
smoothly.
NOTE: The crankshaft seal can be replaced with
the engine installed in the chassis. The engine
does not have to be removed and the crankcase
does not have to be separated to replace the
crankshaft seal.
9. Lubricate a new crankshaft seal and slide it over the
PTO end of the crankshaft with numbers facing OUT.
Be sure seal lip does not fold back when moving
over the crankshaft flange.
3.84
10. Use the crankshaft removal / installation tool (PU-
11. Drive seal until flush with seal bore.
12. Turn PTO crankcase over and support with
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
50784) to properly drive the crankshaft seal into the
crankcase.
• Center plate "A" over the crankshaft so it is resting
on the crankshaft seal.
• Center adaptor "B" over the crankshaft end.
• Place the nut and large washer onto the
crankshaft installation screw "D".
• Insert the crankshaft installation screw "D" through
the threaded portion of the adaptor "B".
• Fully thread the crankshaft installation screw "D"
into the clutch bolt threads of the crankshaft.
• Firmly hold the crankshaft installation screw "D"
with a wrench while tightening the large nut
against the adaptor "B".
crankshaft upright.