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SEIZED AC COMPRESSOR FORD 460. 
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posted
hope the capital's don't annoy someone


THIS MUST HAVE HAPPENDED TO THE GROUPE 500 TIMES SO FAR.. 


SEIZED AC COMPRESSOR AND PULLEY


HAD TO HAPPEN SOMEDAY , WELL IT HAPPENED. 

1990 BARTH REGAL OSHKOSH CHASSIE FORD 460 ENGINE

THE AC COMPRESSOR LOCKED UP, IT WAS WORKING 2 WEEKS AGO
SEIZED TODAY. 

it looks like one has to take the radiator , condenser , oil cooler
etc etc etc and take this out the front . ....is that correct ??.

has anyone tried to just replace the pulley and clutch assembly without doing all the above.  ??

has anyone taken the front 12 inches of the 'dog house" to get at this from the top??  how big a job is that?? 
was it designed to come out ???


has anyone tried to by pass the ac and run a belt without the ac ??? is there clearance..  belt size???? 

jack finn 248xxxxx789xxxxxxxxxxxxxxxxxx 38o3xxxxxxxxxxx
 
Posts: 78 | Location: Royal Oak, Michigan | Member Since: 06-14-2020Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 8/11
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Good morning Jack, the only time I have ever stripped down the front on an Oshkosh with a 460 was to replace a failed camshaft. If the AC compressor is at the top, unfortunately you will have to work by feel but it can be done. I have forgotten the bracket configuration, it’s just been too long.

You should be able to find a replacement on acparts.com or apair.com.

Assuming the compressor is seized and not the clutch, you need to flush the system, convert it to R134a and replace the expansion valve or H-block and receiver dryer.

Good luck


Billy & Helen Thibodeaux

Retired from Billy Thibodeaux's Premiere RV, Inc. Scott, LA 70583 I-10 Exit 97
The Farm is near Duson, LA I-10 Exit 92 then N 1 mile on right
Three Full 50 Amp RV Hookups !
billynhelen@me.com
Data Tag: 9404-3908-36XI-2C
1994 Sovereign 36' Widebody on Spartan IC (Mountain Master Lite) Chassis.
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Toad: 2018 Chevy Colorado ZR2 Diesel with M&G Car Brake
 
Posts: 394 | Location: 1mile north of I-10 Exit 92, Duson, LA USA in The Heart of CAJUN COUNRTY ! ! ! | Member Since: 05-14-2005Reply With QuoteReport This Post
Official Barth Junkie
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There is a John Deere chassis service manual available to download. 89 version I think. (Large file, I was not able to upload to this site.) The link is still working.
Here: https://www.cdr-roc.com/89JD/89-JD-Chassis-manual.pdf

There is a belt diagram shown. This one is for carbureted engines. If it is correct, it looks like the AC belt drives only the AC. Can be run without belt for now? hmm

 
Posts: 5245 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
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thank you folks

so far .. found a mobile mechanic who is coming this am.. 

replace problemms with dollars !!!!!

thans for the info on the johnndeer manual . will try to look at it

mine is a 1990 and has serpentine belts . the ac belt runs ac and one of the " power steering or power brake pumps and i don know ..... not that deep into it yet... 

if this mechanic can fix it for x $1000.00 i think i will just get it done ..


will know later in day

if anyone know the sanden replacement compressor i would love to have it so i can pre order yo
 
Posts: 78 | Location: Royal Oak, Michigan | Member Since: 06-14-2020Reply With QuoteReport This Post
Official Barth Junkie
Supporting Member of Barthmobile.com 1/24
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Newer style belts... Looks like it is shared indeed. hmm

 
Posts: 5245 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
Official Barth Junkie
Supporting Member of Barthmobile.com 1/24
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We have an Oshkosh parts manual here on the site for downloading.
http://truckroadservice.com/ba...re_chassis_parts.pdf

Here is the page on AC. Shows Sanden #510 compressor. Might be V belt though.

 
Posts: 5245 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
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thank you thank you , thank you steve

i am 95% sure the diagrams you sent me are correct and the second on evens has the sanden model # of the compressor . so i can preorder it .

the mobile mechanic came buy and he is going to fix it at my shop next week ... no tow bill !!!!!


thank you.  !!!
 
Posts: 78 | Location: Royal Oak, Michigan | Member Since: 06-14-2020Reply With QuoteReport This Post
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AN OTHER QUESTION DOES ANYONE KNOW WHERE THE

" THERMAL EXPANSION VALVE ' is located on this

barth 1990 regency ford 460 fuel injected



so we don t have to spend an hour looking for it


thanks for everyones help jack finn
 
Posts: 78 | Location: Royal Oak, Michigan | Member Since: 06-14-2020Reply With QuoteReport This Post
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    Forums    Tech Talk    SEIZED AC COMPRESSOR FORD 460. 

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