Belts
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06-14-2005, 03:02
Post: #3
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Belts
Richard,
There is a particular way to adjust the tension on the fan drive/pulley belts, on a Cat 3208NA engine. First insert the four mounting bolts, through the sliding plate bracket that is part of the Fan/Pulley assembly and into the front mounting holes on the engine, making sure that the top adjusting bolt/locking nut on the sliding assembly are loose. Tighten the mounting bolts enough so that the assembly will still slide up, or down with just a little resistance. Now get all of the belts in place, then adjust the sliding assembly adjustment bolt on top until the correct tension on the belts is attained, then tighten the mounting bolts up in the sliding bracket, then when you think that they are tight, loosen the top adjusting bolt/locking nut back out a little and then you will be able to tighten the mounting bolts up quite a bit more, when this is all done, tighten the sliding assembly top adjusting bolt back up snuggly and with the locking nut that is on the adjusting bolt, lock it in place. If you just quit after the first bolt tightening phase, it will leave the sliding bracket at a slight angle and can cause the belts to come loose, or in a worse case scenario, it will do what mine did and loosen all of the mounting bolts back up and out and the fan will drop, I was Lucky, I heard it when it happened after I had left Randy's. There was a well meaning person there that had never owned an FC model 'Bird with a 3208NA and he wanted to help Randy and he didn't do the adjustment correctly. I managed to fix it temporarily in a Wal Mart parking lot in Orlando and get it back to Randy's at night when it was cool, so that Randy could rebuild the Horton Fan clutch, as it had broken off the air line when it dropped and the fan would not engage at all. Since this bolt tightening sequence was performed again after the Horton rebuild, I have never had the assembly come loose, or loose a belt again. I do not have the belt for the airconditioner compressor, as the compressor has been removed entirely. "REMEMBER SEPTEMBER 11, 2001" John Finn '82 35FCRB BLUEBIRD WANDERLODGE TO VISIT THE "FINN'S INN EXPRESS" REMODELING ADVENTURE GO TO; http://www.pbase.com/image/24977457 '66 SUPERIOR / IH 392 GAS V8 32' PUSHER "FOR SALE" SEE THE OLD COACH AT: http://www.pbase.com/image/26052733 HOPKINS, SOUTH CAROLINA ///////////////////////////////////////////////////// --- In WanderlodgeForum@yahoogroups.com, "Richard" <mr.clean@g...> wrote: > has any one had problems with the fan belt in particular on their > 3208? We have an 81 35FC with a 3208 N/A. we keep throwing the fan > belt off which takes out others at times. we found that the tension > bolt was frozen after 3 diesel mechanics worked on it. we replaced > that and got about 30 hours out of it before it went again taking > the alt. & air compressor belts. the pulley's all appear to line up > and the idler pulley's seem to work fine. > thank you |
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Messages In This Thread |
Belts - Richard - 06-13-2005, 23:39
Belts - Tim Hannink - 06-14-2005, 00:16
Belts - John - 06-14-2005 03:02
Belts - Tom Warner - 06-14-2005, 03:10
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