Page 307 - Manual Oficina Polaris Sportsman 570 2014 a 2016
P. 307

ENGINE / COOLING SYSTEM


                   3. Remove the screws e that secure the bearing        4. Install the retaining ring w for the crankshaft
                       retainer to the case.                                bearings.
                                                                         5. Fully seat the new outer PTO crankshaft bearing until
                                                                            bottomed against the retaining ring.
                                                                         6. Install the bearing spacer.
                                                                         7. Press in the new inner PTO bearing until it is
                                                                            bottomed against the bearing spacer.
                                                                         8. Install the bearing retainer and torque the new
                                                                            fastener to specification.
                                                                                                                              3
                                                                                              WARNING

                                                                                Do not reuse bearing retainer screws e.


                                                                                             TORQUE
                                                                                      Bearing Retainer Fastener:
                                         WARNING                                 8 ft-lbs (11 Nm) Apply Loctite® 272™
                           Do not reuse bearing retainer screws e.
                                                                         9. Press in the new PTO seal until it is flush with the
                   4. Support the crankcase and drive, press, or extract    engine case.
                       the bearings with a blind bearing remover.





















                   Installation

                                         NOTE
                       To ease bearing installation, warm the crankcase
                     evenly with a heat gun or place in an oven and heat to
                     220-250° F. Place bearings in clean plastic wrap and
                              set in a freezer for 10-20 minutes.

                   1. Clean all bearing bores and inspect for excessive
                      wear.
                                         NOTE
                      Apply Loctite® 641 to the inner race of each of the
                                      crank bearings.


                   2. Lubricate all bearing bores with clean engine oil.
                   3. Fully seat the new balance shaft bearing until
                      bottomed in the bearing bore.


                   9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual                         3.185
                   © Copyright Polaris Industries Inc.
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