Page 147 - Manual Oficina Polaris Sportsman 570 2014 a 2016
P. 147

ENGINE / COOLING SYSTEM


                   COOLING SYSTEM SPECIFICATIONS                         COOLING SYSTEM PRESSURE TEST

                                                 COOLANT                 1. Open rack and remove the access panel.
                    CONDITION                    TEMPERATURE °F (°       2. Remove pressure cap and pressure test the cooling
                                                 C)                         system using a commercially available pressure
                                                                            tester.
                    Room Temperature             68° F (20° C)
                                                                                              WARNING
                    Thermostat Open              180° F (82° C)
                                                                           Never remove pressure cap when engine is warm or
                    Thermostat Full Open Lift    203° F (95° C)           hot. The cooling system is under pressure and serious
                                                                             burns may result. Allow the engine to cool before  3
                    Fan ON                       204° F (96° C)
                                                                                              servicing.
                    Fan OFF                      194° F (90° C)
                                                                         3. The system must maintain 10 psi for five minutes or
                    Engine Temperature
                    Overheat Indicator           231° F (111° C)*           longer. If pressure loss is evident within five minutes,
                                                                            check the filler neck, radiator, hoses, clamps and
                    Engine Protection Ignition                              water pump weep hole for leakage.
                    Misfire                      235° F (113° C)*
                    Engine Protection Shutdown
                                                 242° F (117° C)*
                                                                         PRESSURE CAP TEST
                    * = Actual value determined by vehicle speed (stopped
                    or moving). Listed value is conservative setting.    1. Open the front rack and remove the access panel.
                                                                         2. Remove the pressure cap (see “WARNING” under
                                                                            “Cooling System Pressure Test”) and test using a cap
                    Item                         Specification              pressure tester (commercially available).

                    Cooling System Capacity      Liquid Cooled / 86 oz.
                                                 (2.5 l)                                      WARNING
                                                                           Never remove pressure cap when engine is warm or
                    Coolant Recovery Bottle      8 oz. (237 ml)           hot. The cooling system is under pressure and serious
                    Capacity                                                 burns may result. Allow the engine to cool before
                                                                                              servicing.
                    Pressure Cap Relief          13 PSI
                                                                         3. The pressure cap relief pressure is 13 psi. Replace
                                Polaris Premium Antifreeze:
                                                                            the cap if it does not meet this specification.
                                     2880514 - Quart
                                     2880513 - Gallon

                   Recommended Coolant                                   RADIATOR INSPECTION
                   Use only high quality antifreeze/coolant mixed with   1. Check radiator air passages for restrictions or
                   distilled water in a 50/50 or 60/40 ratio, depending on   damage.
                   freeze protection required in your area.
                                                                         2. Carefully straighten any bent radiator fins.
                   CAUTION: Using tap water in the cooling system will
                   lead to a buildup of deposits which may restrict coolant  3. Remove any obstructions with compressed air or low
                   flow and reduce heat dissipation, resulting in possible   pressure water.
                   engine damage. Polaris Premium 50/50 Antifreeze/
                   Coolant is recommended for use in all cooling systems                     CAUTION
                   and comes pre-mixed, ready to use.                     Washing the vehicle with a high-pressure washer could
                                                                             damage the radiator fins and impair the radiators
                                                                            effectiveness. Use of a high-pressure washer is not
                                                                                           recommended.











                   9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual                          3.25
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