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Old 06-29-2011, 06:53 AM   #1
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1989 34.5' Airstream 345
Jamestown , Kentucky
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Top air Pump Froze up, cooked the belt

and ruined the v drive pully on the top air pump

So after ordering a new one. they are much Lighter than the original. and a new drive belt.

I re read the Post on the Polished A.S. for sale. and talked to a mechanic that has a contract with the school system to maintain buses.
He advised to do as Polished 345 did

Remove it ALL
so I removed ALL of the Mounting brackets for the top Pump. the hoses to the top and Bottom Pump.
the Two charcoal filters and the air control valves. or whatever they are. WOW, now I can see, maintain and Replace radiator hoses and other parts never before seen.
the coach Runs great. So now, before this weekend I will remove the Bottom Pump complete with mounting hardware and replace the serpentine drive belt with a new, shorter one.

So If anyone is Interested in a complete Set. Only the drive pully for the top pump. and new hoses will be required for You to supply.

John
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Old 06-29-2011, 01:51 PM   #2
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1984 31' Airstream310
Boise , Idaho
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Do you have a part number for the shorter belt?

I just installed some headers and plan to rip out all that junk also.
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Old 07-01-2011, 12:11 PM   #3
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That sucks John, but the good news is that you wont have to deal with this again...
I wish California would exempt mine from smog tests, then I could do the same..
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Old 07-02-2011, 06:47 AM   #4
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Originally Posted by 97sx View Post
Do you have a part number for the shorter belt?

I just installed some headers and plan to rip out all that junk also.
soon I hope

after removing the top pump and ALL the hoses , filters and Crap, even the ones to the bottom pump. I ran the unit for some time.

so last evening I started removing the bottom pump. One Less , Something ? to go Wrong. on the road.
so off came the alternator and after the lower pump is off today. and I mount a new Alternator.
I will cut the original belt to size and take it to the Parts store for a new one the correct size. then I will post the Part Number for the retrofit serpentine belt.
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Old 07-02-2011, 06:53 AM   #5
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Originally Posted by Keyair View Post
That sucks John, but the good news is that you wont have to deal with this again...
I wish California would exempt mine from smog tests, then I could do the same..
I was fortunate that the top Pump froze when I tried to start the engine. and NOT running down the road.
a bad fire could have been the result.

so I just cut the belt. the top Pump has its own, select belt, not running anything else. started the engine and went on my way.
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Old 07-02-2011, 12:10 PM   #6
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Originally Posted by 97sx View Post
Do you have a part number for the shorter belt?

I just installed some headers and plan to rip out all that junk also.
20mm
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Old 07-02-2011, 12:23 PM   #7
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1989 34.5' Airstream 345
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UPDATE on Project.

I have now removed the lower Pump. and cut off some of the Lower pump mounting bracket with a saw Zaw from above.
I also removed the Lower pump from above and the job was painless after removing the alternator. I also seem to be getting
1. additional Volt. 13.5 reading now with the new unit. a 105 I think . same as I removed. I assume.

Note , remove the drive pully 1.st . a small ratchet, socket set works well.

then the Two mounting Nuts

I mounted a new alternator that I carry for a spare.

then I found a 20mm Belt at NAPA

I sent Sharon in to NAPA for a spare Belt and told her to get an 18mm

as it will have more top end adjustment in case there is some stretch. ? IF, NO stretch. the 20mm will work fine.

This is Like having a new engine, Lighter, and I can SEE ALL and get to ALL Much easier.
so, Two less turning parts to drive and 1 less belt to maintain. work around.
about 30 Lbs worth of Power, gas robbing JUNK. Now Removed
anyone Want this Stuff ????

or to the Trash it will GO

OHHH Happy Day
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Old 07-06-2011, 08:28 AM   #8
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NAPA belt Number, NO air pump

060532

20mmx1367mmOC


13/16 x 53-7/8 OC

NO guarantee this will work for YOU , your application
but it is a start.
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Old 07-06-2011, 11:29 AM   #9
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Thanks for the info John!

I plan to get started on this tonight.
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Old 07-09-2011, 05:56 AM   #10
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So how is your Project going 97sx

well I hope
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Old 07-12-2011, 06:52 PM   #11
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choctaw , Oklahoma
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Quote:
Originally Posted by John Haggard View Post
UPDATE on Project.

I have now removed the lower Pump. and cut off some of the Lower pump mounting bracket with a saw Zaw from above.
I also removed the Lower pump from above and the job was painless after removing the alternator. I also seem to be getting
1. additional Volt. 13.5 reading now with the new unit. a 105 I think . same as I removed. I assume.

Note , remove the drive pully 1.st . a small ratchet, socket set works well.

then the Two mounting Nuts

I mounted a new alternator that I carry for a spare.

then I found a 20mm Belt at NAPA

I sent Sharon in to NAPA for a spare Belt and told her to get an 18mm

as it will have more top end adjustment in case there is some stretch. ? IF, NO stretch. the 20mm will work fine.

This is Like having a new engine, Lighter, and I can SEE ALL and get to ALL Much easier.
so, Two less turning parts to drive and 1 less belt to maintain. work around.
about 30 Lbs worth of Power, gas robbing JUNK. Now Removed
anyone Want this Stuff ????

or to the Trash it will GO

OHHH Happy Day
don't trash it! your never know want our government will do. I did the same many years ago, but it's all on the top shelf just in case.
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Old 07-14-2011, 04:12 AM   #12
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yes, I have it all.

but before I have to re install. ???? if


I will replace the engine 1. st
maybe with a Jasper RV model or something similar.
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Old 07-14-2011, 12:02 PM   #13
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Whats wrong with the Motor John?
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Old 07-14-2011, 01:17 PM   #14
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Whats wrong with the Motor John?
Nothing at all is wrong with the engine.

very solid and strong. Keyair

I was just saying that if the government made us re install the air pump system. at some time.
I would replace the engine 1st.
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