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Clay 
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Joined: 11 Sep 2009
Location: Udall, Kansas
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 Topic: Injector Pump Parts
Posted: 11 Aug 2011 at 6:23pm |
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After studying the Service Manual for the Allis Chalmers Fuel Injection Pumps and much online research, I have just about decided to rebuild the Roosa Master DBGFC637-54AF injector pump for my 180 myself.
Called around for exchange pumps and to re-builders for pricing. Exchange pumps from $700 and up to over $1,000. Depending upon the problem with the pump, rebuild from $300 to $1,200.
Two things I know my pump will need is the flex ring and the pilot tube. Also a seal kit.
The last time I was inside an injection pump was when I was in college in the mid '70s.
My next problem is a good, reliable and reasonably prices parts supplier.
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DougG
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Joined: 20 Sep 2009
Location: Mo
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Posted: 11 Aug 2011 at 7:44pm |
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I was told that 30 bucks is all it costs in parts to rebuild an injector pump on a 180 ; dont know how true it is ? I called a pump shop on a rebuilt one while back and it was $1000 ; I asked why , everyone else was $450-500 ; he said they are RARE ; interesting selling point i guess but WRONG ANSWER ; Andrew Gubbels does a good job and VERY resonable
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Clay
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Joined: 11 Sep 2009
Location: Udall, Kansas
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Posted: 13 Oct 2011 at 1:00am |
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IT IS ALIVE!!!
At 5 minutes after midnight, I started my 180 diesel. Poor old girl had a bad flex ring and it took me a while to get around to fixing her.
With the help of a rebuild manual, parts kit and a couple of conversations with a couple of pump technicians I rebuilt the pump myself. The last time I saw the inside of an injector pump was when I was a freshman in college.
The pilot tube had a groove so it got replaced. The pump vanes need to be replaced but that will have to wait until I obtain a new set. The flex ring was shot and was replaced. Measured the rollers and met the specs. Also replaced the check valve.
With shipping, I have $100 invested in the pump.
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Jim Hancock
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Joined: 11 Sep 2009
Location: EL Reno, Ok.
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Posted: 13 Oct 2011 at 1:10am |
Sounds like there might be a sideline business in the making! Way to go on getting your pump repaired.
I was also in college in the mid seventies and it would take me awhile to refresh my memory on rebuilding those things.
Have a good one Clay.
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Brian Jasper co. Ia
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Joined: 11 Sep 2009
Location: Prairie City Ia
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Posted: 13 Oct 2011 at 6:25am |
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Glad to hear you got it together. I know my D17D needs the flex ring too. Same scenario, last time I did one was in trade school. So far I haven't gotten the courage to do it...
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Clay
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Posted: 13 Oct 2011 at 8:10am |
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One thing I did, which no one suggested, was to take pictures.
These pictures were taken at several angles. This made it easy to know which fuel line went where.
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JPG AUSTRALIA
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Posted: 13 Oct 2011 at 8:14am |
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whats the rebuild manual called? just wondering because there used to be a few on ebay.
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Clay
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Posted: 13 Oct 2011 at 9:16am |
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Service Manual for the Allis-Chalmers Fuel Injection Pumps Roosa
Master D & DB Bosch PSB. I bought this manual on Ebay. Make
sure you are buying a service manual and not a parts manual.
The 180 pump is a DBGFC637-54AF.
Roller to Roller Setting 1.951" +/- .0005
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