Pump Problems

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   For reference sake, I've been researching my RAW water pump on the Ski Tique (302) and found some interesting info I thought I'd share.  I was having trouble because the pulley was wobbling on the shaft.  I tried tightening the set screw and had no luck.  When I pulled the pulley off the shaft this is what I found.  

They Key on the shaft was toast and the pulley was worn out on the inside diameter.  

After talking with Woody, he said they discontinued this pump because of the key issue and I would probably have to buy a new one.  They changed to a pressed on pulley after the keyed pulley was discontinued.  I didn't ask when they discontinued it but mine is a 78....so sometime after then.  I sent the whole thing to Depco pumps and they said they'd take a look at it.  

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storm34 Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: November-03-2008 Location: Dexter Iowa Status: Offline Points: 4492	Post Options Post Reply Quote storm34 Report Post Thanks(0) Quote Reply Topic: Pump Problems Posted: April-22-2010 at 2:51pm
	For reference sake, I've been researching my RAW water pump on the Ski Tique (302) and found some interesting info I thought I'd share. I was having trouble because the pulley was wobbling on the shaft. I tried tightening the set screw and had no luck. When I pulled the pulley off the shaft this is what I found. They Key on the shaft was toast and the pulley was worn out on the inside diameter. After talking with Woody, he said they discontinued this pump because of the key issue and I would probably have to buy a new one. They changed to a pressed on pulley after the keyed pulley was discontinued. I didn't ask when they discontinued it but mine is a 78....so sometime after then. I sent the whole thing to Depco pumps and they said they'd take a look at it.

8122pbrainard Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045	Post Options Post Reply Quote 8122pbrainard Report Post Thanks(0) Quote Reply Posted: April-22-2010 at 3:09pm
	Chris, Depending on what Depco does, you may need a new sheave (pulley) too. When they put a new shaft in, maybe they will go to the press fit and supply the new sheave too. If not, I suggest using a Loctite retaining compound with the new old style. It actually provides a better strength than shrink or press fits.
	54 Atom 77 Tique 64 X55 Dunphy Keep it original, Pete <

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