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| I picked this truck up last fall on Purple Wave for $800 knowing it had engine issues. Its an 1988 International 1955 , DT466, 5+2 and air brakes. It had 2 scored liners and the crank and cam were both rusted up from sitting. Got a new cam had the crank turned and rebuilt the engine and its running good now. When I picked the truck up we aired it up off another tractor. The truck held air for the better part of 6 months. I went to move it for the first time today and It won't build air over about 30lbs before it dumps out the air dryer. It had a lot of moisture in the air. I am assuming that the desiccant in the dryer is shot, but I can't find a model or make on the dryer anywhere. I am going to rebuild/replace the purge valve and governor while I'm at it. The first picture is of the dryer. Can anyone I.D. it ? I'll stick a few pictures up of the truck as well. I still have to paint the box. She's a work in progress but ought to be ok for a young guy starting out.
 (Air dryer.jpg)
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 Air dryer.jpg (86KB - 260 downloads)
ST1.jpg (176KB - 238 downloads)
egine.jpg (104KB - 265 downloads)
11817158_10153483509430309_2843852143119452233_n.jpg (54KB - 251 downloads)
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Illinois | You could always by pass it if your tanks have drains in them |
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Liberty, MO | I would replace the dryer, all new parts that way. Warranty also. |
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| These are easier to find
http://www.ebay.com/itm/AIR-DRYER-12-VOLT-12V-AD-9-AD9-STYLE-/25208... |
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Alabama, Land of the Absurd. | Nice job on the truck.
If you got that for 800 bucks, you did well, partner. |
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Ne Iowa | What you've probably got there is an AD2 which is basically not serviceable. Replace it with an AD9 for about $150 on EBay. Be sure to get the one with the bracket as the AD9 is bigger around. The governor on top of the compressor is what tells the drier to purge, mine doesn't purge until pressure hits 120 and the compressor shuts off. Nice truck. |
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| http://www.napaonline.com/p/CR_620570
http://waterstorage.tpub.com/TM-5-3820-256-24-4/css/TM-5-3820-256-2...
SKF now has the "2000" models and an online service manual
http://www.skf.com/binary/30-64725/457938.pdf
CR brakemaster. There is a label around the bottom rim below the vanes (at least on mine). Have one on an 1980 IH 2275.
Napa link is above and a couple others I found on google. SKF has them now.
hope it helps
Art |
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| The outlet air really that hot 3000 F maybe 300
Brakemaster units (Figs. 21 & 22) areactually heat exchangers since the compressed air fromthe air compressor is cooled.When the compressed air leaves the air compressor,it is about 1490 C (3000 F) and by the time it reaches theBrakemaster unit, the temperature will drop to about 600C (1400 F).Fig. 21 CR Brakemaster Model 62The hot compressed air enters the expansionchamber where the sudden drop in pressure cools it off.The heat is carried away through the external fins whichare an integral part of the one piece aluminum body.As the air cools in the expansion chamber, bothwater and oil vapors are condensed out. Thiscondensation collects on the walls of the expansionchamber and runs down into the collection area where itFig. 22 CR Brakemaster Model "8is automatically discharged by a specially designedunloader valve.The heat exchanger has a permanent air filterelement which traps carbon particles that can harm other components in the air system. Every time the unloader operates (each time the compressor completes a cycle) there is a back rush of air through the filter, so that any carbon trapped in the filter element is flushed out and ejected through the unloader valve. In an air system where the compressor is in good condition, the filter will require little or no maintenance. If the filter should require servicing, it should only need a bath in cleaning solvent. Replacement should be unnecessary. MAINTENANCE Periodic or scheduled maintenance is not required. However, for trouble free operation, the following items should be checked. 1. Steam clean cooling fins to remove accumu- lated road grime. 2. Check to be sure cooling fins have not been painted. 3. Check air lines to be sure they have not be- come kinked, cracked, broken or chafed. 4. Perform the Service Checks. CTS-4079 - CHAPTER XIV - Page 12
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International Service Truck Air Brake Question/Problem.
