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Broken alternator bolt

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David Darrah
New member
Username: davedarrah

Post Number: 1
Registered: 07-2007
Posted on Friday, July 20, 2007 - 08:50 am:   Edit Post Delete Post View Post/Check IP

I have Cat 3208TA engines on my 41 Tiara. Twice
in the last year the alternator bolt on the port
engine has broken while underway. This is a 1/2x
3 inch bolt holding a Balmar alternator. Does
anyone have an idea as to why this is happening?
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Duane S.
Visitor
Posted on Sunday, July 22, 2007 - 07:59 pm:   Edit Post Delete Post View Post/Check IP

are you using a grade 8 or better bolt to hold the alternator? how is the alianment of the pulley to the other pulleys? is the spacer in the alternator its self bottom out against the support or is the bolts getting tight but not clamping the alternator correctly, check for spacer there. if there is a space that is a problem.
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David Hays
Advanced Member
Username: mistahays

Post Number: 457
Registered: 02-2006


Posted on Wednesday, August 15, 2007 - 01:16 pm:   Edit Post Delete Post View Post/Check IP

Think Duane covered it all, but definitely use grade 8 hardware in the mean time. What's on there from the factory is probably grade 5 or 3.
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David Darrah
New member
Username: davedarrah

Post Number: 2
Registered: 07-2007
Posted on Wednesday, August 15, 2007 - 01:51 pm:   Edit Post Delete Post View Post/Check IP

David,
Thanks. I will be sure to change to grade 8.

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