Page 110 - Manual Oficina Polaris RS1 2018 e 2019

ENGINE / COOLING SYSTEM

WATER PUMP SERVICE 6. Using an appropriate arbor press, properly support
the water pump housing and press out the water
NOTE pump shaft from the impeller side.
The water pump cover gasket can be replaced while 7. Extract the mechanical seal and the oil seal from the
the water pump housing is still installed in the engine. water pump housing.
NOTE
1. Remove water pump assembly as outlined in this
chapter (Engine Disassembly/Inspection - Bottom A 5/32" (4 mm) diameter punch y will fit in the
End — Water Pump Housing Removal). lubrication slot to aid in the removal of the oil seal. Be
2. Remove the three bolts retaining water pump cover sure not to damage the water pump shaft bearing
surface.
q to water pump housing w. Discard cover gasket
e.

8. Inspect the water pump shaft bore for excessive
3. Place the water pump drive tab r vertically into a wear or damage. Replace water pump housing
soft jaw vice. assembly if necessary.
4. Remove the bolt and washer retaining the water 9. Clean and inspect water pump shaft for excessive
pump impeller to the shaft. Inspect the impeller veins wear or damage. Replace water pump housing
and water pump housing for damage. Replace if assembly if necessary, as shaft can not be
needed.
purchased separately.
NOTE 10. Thoroughly clean mechanical seal and oil seal bores.
The water pump impeller bolt t is left hand thread 11. Install a NEW oil seal into the water pump housing
(reverse thread). until fully seated.
12. Fully install the water pump shaft and two washers
into the housing.

13. Place water pump drive tab vertically into soft jaw
vice as previously shown in this procedure.

5. Remove impeller from water pump shaft.

3.24 9928689 - 2018 RZR RS1 Service Manual
© Copyright Polaris Industries Inc.