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Yanmar 6LPA-STP belt tension
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recppd
- First Mate
- Posts: 31
- Joined: Tue Jun 28, 2016 8:39 am
- Home Port: Boston, MA
Yanmar 6LPA-STP belt tension
I changed the two belts on my 2004 Yanmar 6LPA-STP as they were throwing dust all over the engine compartment from being too loose this season. I noticed when I tightened everything down that the inner belt was slightly tighter than the outer belt. Is this normal? Or should they both be equal?
Rob C.
2004 Albin 28TE Flush Deck
"SEA LEVEL"
Boston, MA
2004 Albin 28TE Flush Deck
"SEA LEVEL"
Boston, MA
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RobS
- Gold Member
- Posts: 4044
- Joined: Wed Oct 03, 2007 6:20 am
- Home Port: Center Moriches, NY
- Contact:
Re: Yanmar 6LPA-STP belt tension
It's normal if you didn't order a matched set. Can be a PITA for sure
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.
"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.
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recppd
- First Mate
- Posts: 31
- Joined: Tue Jun 28, 2016 8:39 am
- Home Port: Boston, MA
Re: Yanmar 6LPA-STP belt tension
They were matched Rob. So either the alternator pulley is slightly canted, or the belts are very slightly different in size...
Rob C.
2004 Albin 28TE Flush Deck
"SEA LEVEL"
Boston, MA
2004 Albin 28TE Flush Deck
"SEA LEVEL"
Boston, MA
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jleonard
- Gold Member
- Posts: 2115
- Joined: Fri Sep 22, 2006 7:35 am
- Home Port: Mystic, CT
- Location: New Port Richey, FL
Re: Yanmar 6LPA-STP belt tension
Try swapping the belts around then, maybe they'll be tensioned a little better. It would not surprise me if the alt was a tiny bit out of perpendicular relative to the engine CL.
Formerly
1983 40 Albin trunk cabin
Attitude Adjustment
Mystic, CT
1983 40 Albin trunk cabin
Attitude Adjustment
Mystic, CT
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whwells
- Gold Member
- Posts: 1230
- Joined: Mon Dec 27, 2010 10:20 pm
- Home Port: Anacortes Marina, Anacortes, Wa
- Location: Trinidad, Ca.. & Tahoe Vista, Ca.
Re: Yanmar 6LPA-STP belt tension
Well, the good news is you got the job done. Having an engine fly into a thousand pieces is your worse nightmare.
Several years ago a friend in Brookings, Oregon let that happen to his Yammer. Got him a 40,000. bill before the 28 Albin was back on the water.
I do it every 6 years. Seems like Yammer says 6 years or 1200 hours whichever occurs first.
Howard
Several years ago a friend in Brookings, Oregon let that happen to his Yammer. Got him a 40,000. bill before the 28 Albin was back on the water.
I do it every 6 years. Seems like Yammer says 6 years or 1200 hours whichever occurs first.
Howard
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Carl
- Gold Member
- Posts: 772
- Joined: Tue Feb 27, 2007 6:14 am
- Home Port: Oxford, MD
- Location: Preston, MD
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whwells
- Gold Member
- Posts: 1230
- Joined: Mon Dec 27, 2010 10:20 pm
- Home Port: Anacortes Marina, Anacortes, Wa
- Location: Trinidad, Ca.. & Tahoe Vista, Ca.
Re: Yanmar 6LPA-STP belt tension
Okay, quick read on Christmas Eve. Have a Happy one.
Howard
Howard