Mechanical seal

Flange509 · May 3, 2011

Anyone know how deep to set the mechanical seal on the water pump shaft, when rebuilding the motor decided to replace the seal and didn't get a measurement on how deep the inside of the seal sets down on the shaft.
Got everything back together and now it leaks through the weep hole.
Its a 08' 800 RMK

diamonddave · May 3, 2011

Polaris makes a special tool for installation that sets the seal at the proper depth.

Flange509 · May 3, 2011

Tried to order one but the dealer says they are discontinued, part #2872010
That doesn't make sense

modsledr · May 3, 2011

I used a socket that is the same diameter as the raised part of the seal housing and set it all the way in (didn't set it all the way in to begin with and had the same problem as you)

ElectroTech · May 3, 2011

Manual has depth spec of tools

r.c.rob · May 4, 2011

The water pump impeler is suposed to push it the last little bit.
Put the water pump impeller on and mark that spot.
Then drive it just shy of that mark.
Rob

OnlyPolaris · May 4, 2011

You just push it in all the way until the lip bottoms out.

mtnclimber19 · May 4, 2011

Its a 2 part seal and both parts have to go on together and straight or you will be doing it again. Took me 3 trys on my 08 d7. The last one we used 2 diff. sockets I believe, and would tap one part back a tiny bit then the next until the lip was all the way against the case. Smear some grease on the back side and the shaft, it helps it slide in easier and also helps seal. Just dont let the back part pull away from the front, I don't know if I making any sense for you or not, good luck.

Flange509 · May 4, 2011

Pretty sure I have the center part in too far, gonna bug the dealer for the tool to set it right and try again

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