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Sqeaky belt?

Engines, Electric, Plumbing, etc.

Moderator: Jeremyvmd

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LillianpFD
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Joined: Mon Jul 09, 2007 10:20 am

Sqeaky belt?

Post by LillianpFD »

My engine is making a noise after startup that sounds like a squealing belt. Albin 28 FD Yanmar 315.

Does anyone have a quick diagnostic and/or fix for this issue? It only happens at low idle and doesn't last a long time but is annoying to listen to. Engine is maintained each spring and fall by a diesel mechanic.
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RobS
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Re: Sqeaky belt?

Post by RobS »

Belt could need tightening or replacement. If your engine is equipped with air heater option they draw quite a bit on startup/warmup which would put a demand on your alternator. The belt could now have lost some rubber. Best bet is to replace the 2 belts and keep the ones you now have as spares and keep them onboard.
Rob S.
"TENACIOUS"
1974 Chris Craft 36' Commander Tournament
Cummins 6BTA 330B's

(Former Owner)
"TOY-RIFIC" 2000 28TE, 6LP, Hull 408

Luck is the residue of good design.
special k
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Re: Sqeaky belt?

Post by special k »

mine developed the same noise this spring. simply re-tightened the belts.

i must have left the alternator bolt a little loose during spring commissioning.
LillianpFD
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Posts: 42
Joined: Mon Jul 09, 2007 10:20 am

Re: Sqeaky belt?

Post by LillianpFD »

I'm prettty sure it is just the belts. I realized that they are only squeaking when they are fully warmed up. going to tighten and maybe apply some belt dressing. On a another note, I disconnected the air heater as i am only running in warmer weather. that heater was really draining on my starter and battery.
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