Water Pump Mechanical Seal Installation (Eh50Pl); Water Pump Mechanical Seal Removal - Engine Installed (Eh50Pl) - Polaris Trail Blazer Service Manual

ENGINE
EH50PL Engine

Water Pump Mechanical Seal Installation (EH50PL)

1. Clean the seal cavity to remove all traces of old sealer.
2. Place a new mechanical seal in the seal drive collar, and install on the pump shaft.
3. Screw the guide onto the end of the pump shaft.
4. Install the washer and nut and tighten to draw seal into place until fully seated.
5. Remove the guide adaptor using the additional nut as a jam nut if necessary.

Water Pump Mechanical Seal Removal - Engine Installed (EH50PL)

Water pump mechanical seal removal tool:
Replacement T-handle for 2872105:
This tool allows a technician to replace the mechanical water pump seal on EH42PL & EH50PL engines without
removing the engine and splitting the cases.
CAUTION:
Improper or careless use of this tool or procedure can result in a bent water pump shaft. Pump
shaft replacement requires engine removal and crankcase separation. Use caution while performing this proce-
dure. Make sure that the puller is parallel to the shaft at all times. Do not place side loads on the water pump
shaft or strike the puller or shaft in any way.
1.
After the coolant has been drained, remove the water
pump cover, impeller and the sealing washer. (Ill. 1)
2. Slide the main puller body over the outer portion of the
mechanical seal as shown in Ill. 2 and turn T-Handle
clockwise until it contacts water pump shaft. Continue
rotating until outer portion of mechanical seal is sepa-
rated from the metal seal body.
4/99
2872105
2872106
Sealing Washer
(Copper or Aluminum)
Coolant Drain
Bolt
Ill. 1
T-Handle
Ill. 2
3.96
Sealing Washer
Oil
Seal
Impeller
Mechanical Seal
Main Puller Body
Polaris Sales Inc.