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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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 Posted: Tue Sep 27, 2005 7:04 pm Post subject: fan belt all weird |
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so we have the 1600sp down in the basement and we've been dickin around for a while and its almost ready. one thing is we need new engine tin on the 1&2 cylinder, easy! but i've noticed that the belt on the alt isn't moving right and is turning when it get to the alt only in certain times. this also seems to be making the whole fan shroud lean forward and stuff to, almost like the belt is too small and making it lean. here's some pics, any help!
screwed up belt???
engine tin that needs replacing
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dirtylawnchair
Samba Member
Joined: January 26, 2004
Posts: 1234
Location: Bradenton FL
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| Posted: Tue Sep 27, 2005 7:25 pm Post subject: |
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I hope you get an answer I have a 36hp doing the same thing.
does it seem that the gen pully is sticking out further than the crank pully? Thats what I found.
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Paulie
63 Standard OG paint |
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hazetguy
Samba Member
Joined: April 06, 2001
Posts: 10773
Location: iT StiNgeD iTseLf tO dEAd
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| Posted: Tue Sep 27, 2005 7:27 pm Post subject: |
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first of all, get a new continental belt. 9.5 x 905. get rid of that (what appears to be) cheesy NAPA belt which is probably not the right size anyway.
you don't have an alternator, you have a generator. is it a 30amp or a 38amp? it will be stamped in the generator body. if you have a 38amp, you need other backing plates or your alignment will always be off.
it looks like you don't have any shims between the pulley halves. have you tried adjusting that?
clean the rust and crap out of your pulleys, where the belt rides. you're gonna chew up belts super fast if they are as rusty as the look.
the tin in the last pic is almost comical. i know you said you need to replace it, but you were going to do that before you drove it, right??
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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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| Posted: Tue Sep 27, 2005 7:44 pm Post subject: |
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ok so its a gen...alright! but i'm geeting new cooling tin beofre i put it in the bus. whats the plate i'm missing, it does seem to stick out to far. i had a few shims in between the pulley's and it just made the belt slip more.
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EverettB 
Administrator
Joined: April 11, 2000
Posts: 69798
Location: Phoenix Metro
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hazetguy
Samba Member
Joined: April 06, 2001
Posts: 10773
Location: iT StiNgeD iTseLf tO dEAd
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| Posted: Tue Sep 27, 2005 8:19 pm Post subject: |
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you may not be missing any plate. what amperage is the generator?
after knowing that, the next step is to get a new, real belt.
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thebucket: I invested in hoodride, now DBD won't return my call?
hazetguy: invested?
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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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coolerthanelvis
Samba Member
Joined: June 30, 2003
Posts: 924
Location: San Diego, CA
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| Posted: Wed Sep 28, 2005 8:59 pm Post subject: |
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| EverettB wrote: |
Your belt is riding way too high, are there any shims in there?
What hazetguy said... |
They've got shims but it looks like they are all on the outside.
A few of those shims should be between the pulley halves.
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Shawn
SV2s member #420
'68 Westy
"Do or do not, there is no try."
-Silent Bob |
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meinvw
Samba Member
Joined: October 24, 2003
Posts: 835
Location: Georgia
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| Posted: Thu Sep 29, 2005 6:48 am Post subject: |
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New belt, shim it correctly, and if it is leaning, double check that the shroud is bolted down. Also as stated before clean that rust! It could be grabbing the belt and making it walk out of the pulley. Maybe check the pulley and make sure it is not bent either.
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pyrOman
Fire Master
Joined: July 21, 2003
Posts: 12403
Location: Over 2002 posts deleted!
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| Posted: Thu Sep 29, 2005 7:04 am Post subject: |
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Here's my $0.25 
Not reading any of your questions and just looking at the pictures I see a motor that absolutely needs to be totally taken apart, cleaned up, inspected for excesive wear, have any and all parts replaced as needed, and put back together with brand new tin. And yes a new belt! 
In other words, from just the looks of that motor, the belt should be the very least of your worries! Good luck! 
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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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| Posted: Thu Sep 29, 2005 8:16 am Post subject: |
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i'm putting new tin on it in a few days and i have all new hardware
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