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View Full Version : Seal Question - not the singer or mammal


bob
12-13-2011, 07:05 PM
I'm replacing the crank shaft leaking seal on my mower. Should I coat the outer edge of the new seal with oil before installation? I saw this on an automitive repair show.

Restrorob
12-13-2011, 07:40 PM
No, Install dry.....

piston slapper
12-13-2011, 08:07 PM
Ditto. Restrorob.
If you lube the outer edge it will pop back out.

A little butter for that biscuit, Rob ?
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BigFish
12-13-2011, 08:10 PM
I always install seals with a fingertip smear of sealer on the OD. Usually Permatex non hardening.
It's also a good idea to lube the lip/s with some grease before the install.