| Author | Message | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 65 Registered: 11-2007 Posted From: 75.209.152.83  Rating: N/A |
I'm thinking of upgrading My Air Dryer on MC5A From the one that came with the Coach (Does not do Much) to the Bendix (AD9 Or?) do I Still need to Keep the Air Filter for the Shutterstat? And the Air Filter in the Front that is next to the Dry Air Tanks? Rob | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1682 Registered: 12-2000 Posted From: 76.68.122.156  Rating: N/A |
Does it look like this? http://www.bendixvrc.com/itemDisplay.asp?documentID=2841 Don't feel you have to change it unless you want to. The original style AD1/AD2 driers are just as capable as newer ones. All air driers need to have the desiccant changed periodically. If you would like to save some busnut ca$h for other things, you may readily service an AD2 to return it to full performance. happy coaching! buswarrior | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 66 Registered: 11-2007 Posted From: 70.210.131.123 Rating: N/A |
Buswarrior its not a AD2 Don't know what it is? maybe AD1 It has a Solenoid Valve in the Engine Comp. and is told to dump with a auto switch thats in the spare tire comp.So its time to Service all three parts Where to find Parts??? and No Heater it is set next to the Wet tank plumbed after the wet tank. I believe the AD9 or some other Drier with Heat and self contained which I can plumb into the inline before the wet tank should work better? Just the way I'm thinking Rob | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 67 Registered: 11-2007 Posted From: 70.210.131.123 Rating: N/A |
Its Not a AD1 found a little info on AD1 mine has no Cartridge to Change! Rob | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1684 Registered: 12-2000 Posted From: 76.66.17.38 Rating: N/A |
Oh, does this get activated by a brake application? For high air consumption applications, like buses and garbage trucks, there are devices that collect water upstream of the air drier and purge on every brake application. A sort of automatic drain plumbed in shortly after the compressor to grab a bunch of the moisture before it goes any further. "Expello valves" was one manufacturer of these in the past, but they appear to not sell them anymore. There are other current suppliers. Saves the drier from some serious duty cycle in those applications. Or, perhaps it might be a home built rig? happy coaching! buswarrior | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 194 Registered: 11-2007 Posted From: 67.58.201.132  Rating: N/A |
Just a little info from MCI tech suport. They can no longer get the filter dryer parts for your coach i.e.; the Desiccant service kit they say Bendix discontinued it, they list the Bendix AD9 dryer MCI part# 065225. at $682.49, they said some air line plumbing will need to be done to fit it.It is the same as the one on my coach. Forgot to add if your ejector valve has no wires comming from it it could be a Graham white or a Sealco. if it has wires it is an Expello. As BW states these could be no longer made and a current supplier should have a equivalent. Dave L (Message edited by Dave_L on September 09, 2009) (Message edited by Dave_L on September 09, 2009) | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 68 Registered: 11-2007 Posted From: 75.211.216.179 Rating: N/A |
Tks David I'll get mine online Can get the same one for $125 to $225 the 125 is a aftermarket I think it takes the same filter! Buswarrior no its one of the first Air Driers Mci I think was one of the first to have them and it does not use the Gov. to Dump it does it off of the Push Pull Valve. It dumps when it wants now odd Times??? Rob Ebay has 3 or 4 for sale from 125 rebuild to 159 New | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 69 Registered: 11-2007 Posted From: 75.211.216.179 Rating: N/A |
What do you think of the other Filters I have on the air system Will I still need them??? If I Air up from a different source then the coach Compressor Will it dump the water??? (Message edited by Robsedona on September 09, 2009) | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1685 Registered: 12-2000 Posted From: 76.71.104.31 Rating: N/A |
The rest of those filters have probably never been serviced. They were installed to ensure a long trouble free air supply to the connected components. Whether a busnut wants to open the can of worms of trying to remove or open these up.... If the air is getting through, and there is no evidence of contaminants downstream from them, I am inclined to let sleeping dogs lie. I am a big supporter of changing out and maintaining the moving parts, but these little beggars don't seem to cause any trouble, without the system having been horribly polluted some time in the past in order to plug them. This is just my lazy man's opinion, so feel free to tear into them if you want to! happy coaching! buswarrior | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 195 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
The E filter which keeps the suspension and accesory air system free of dirt and foreign matter should be serviced every 50000 miles or about it has a changable filter element inside so you can replace it and the gasket and wipe out the housing. The filters going into your air beams is a cleanable bronze filter element that you clean in fresh cleaning solvent and blow dry with compressed air on reasembly use a new gasket between the two parts. My opinion is if you dont know the service history of the coach you should service them it will give you a chance to grease things and inspect air lines and other parts. Dave L | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 76 Registered: 11-2007 Posted From: 75.210.253.20 Rating: N/A |
David MCI has a Repair Kit for the Air drier #721054 for 30.35 includes all the teflon rubber and spring I just may go this Way for now save a lot on the reroute of half the back in and back to Gov. Buswarrior the air Drier is activated by Brake application At MCI tech Support they agreed with you it works about as well as the new just takes more time to service then just changing a cartridge (Message edited by Robsedona on September 10, 2009) | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 200 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Thats good news Rob. odd thow as I just got off the phone with the tech line and posted what he said. You did tell them it was for a MC5A as the 5 was made into the early 80's. Dave L (Message edited by Dave_L on September 10, 2009) | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 77 Registered: 11-2007 Posted From: 75.210.253.20 Rating: N/A |
Yes I always tell them MC5A Mine was made in 66 Unit #5912 Serial # 6413 yes made into the 80's They found the kit through the whole ass. # 4b-19-4 Ejector Valve Assembly and he found a repair Kit :-) | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 201 Registered: 11-2007 Posted From: 67.58.201.132 Rating: |
Rob I have to let you know that ass. #4b-19-4, is for a graham white moisture ejector as per my MCI parts manual this is not the dryer as you originaly asked about. the moisture ejector valve is actuated by brake application. the dryer is purged when the compressor cuts out and energizes the drain port at the bottom of the dryer assembly as per my MCI service manuals. sorry if this sounds like i am being a teacher correcting you. Dave L :-) | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 81 Registered: 11-2007 Posted From: 75.209.141.166 Rating: N/A |
Thats all right Dave: On the 5a All I show in the Book I have is this the Ejector and its only an optional equipment no option for Drier the MC5A Challenger. Should I change to a Drier??? Book says A positive and dependable drain to remove water, oil, scale and sludge automatically etc. Did they even make a Drier in 66 or just the forerunner as in Ejctor? Should I change to a Drier??? Where do I get the parts book that tell who makes the MCI parts!!!!!!!!!!!!!!!!! That is a must have! (Message edited by Robsedona on September 12, 2009) | ||
| clint hunter (Truthhunter)
Registered Member Username: Truthhunter Post Number: 478 Registered: 1-2009 Posted From: 24.129.237.52  Rating: N/A |
??? do you mean someone has created a MCI parts "cross-over" book? I though the archives were the closest thing to such a good book!!! | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 202 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Rob I am baseing my info on my books they are the service manual and parts manual for my MC7 they cover the MC7 from 1968 to 1974 end of production run. the MC5 is basicaly the same except body style, length and trailing wheel. as far as getting the books mine came with the coach from the P.O., I don't mind trying to source the books for you will let you know what I find. you still need the ejector but getting a drier would be a wise thing,Probably the one MCI shows as the change up, but you dont have to buy it from them probably cheaper from a heavy truck part store or NAPA auto maybe. there will be plumbing to do but if you are handy with flareing tools and tube bender you could do it your self. but for insurance you mite want to get a heavy truck or coach repare shop to install it. You mite want to go under the rear suspension and look up in between the wheels just to be sure it is not there. On my coach it is located at the rear of the rear wheel opening between the wheels. It goes between the compressor and the wet tank on the main air line. Dave L Check your personal email I sent you some pages out of my service manual. You should sign up on BNO Facebook it is a good site to connect with other Bus nuts. (Message edited by Dave_L on September 12, 2009) (Message edited by Dave_L on September 12, 2009) | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1692 Registered: 12-2000 Posted From: 76.66.16.75 Rating: N/A |
Air driers came out in 1970, courtesy of Bendix. Rob, it sounds like you have what your manual is describing, and if working properly, it will be capturing a good bunch of moisture and dumping it overboard, before it gets into the wet tank. An air drier will outperform one of these units. With a fresh air drier, you get virtually no moisture beyond it and into the wet tank. David, MCI put air driers up in the front axle cavity, mounted on the bulkhead. I am not familiar with what might have been done as they became available, so an install down the back on an MC7 might be factory, or might be added by some previous owner. There must be a certain amount of piping between the compressor and the drier in order that the incoming air temp to the drier has cooled sufficiently that the desiccant is not damaged by high heat. It is hard to achieve the minimum piping footage with the drier mounted down the back. Good discussion going here! happy coaching! buswarrior | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 203 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
I respect your knowledge BW as I am sure it is more than mine in these matters. I am only refering to my service manual section 4 page 41 it states the location on the MC7 as on the rear of the rear bogie in the main air line between the compressor and the wet air tank. As I stated before my replies here are based on a MC7 service manual. Dave L | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 204 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Rob You can call MCI parts Dept. at 18003231238 these are the publications you want. 3C-15-258 Parts manual 3C-15-259 Service Manual 3C-15-263 Operator Manual These are MCI part numbers. They are for the MC5A I hope this help you. Dave L (Message edited by Dave_L on September 13, 2009) | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 83 Registered: 11-2007 Posted From: 70.210.143.84 Rating: N/A |
Dave I have all the MC5A Publications in matter of fact I may soon have to get both the Parts and Service again for mine are starting to fall apart. Dave I have been every ware on on and under this coach of mine I even 3 years ago welded the Rear Air Beam on the drivers side what a Hard job that was then I joined this board and found I could have saved all that hard crammed work with a plate I'm also as Money allows going to do all this also but for now!! Buswarrior I may be wrong but I would think Trucks would be Closer So I'm wondering if father is longer between service of the drier | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 84 Registered: 11-2007 Posted From: 70.210.143.84 Rating: N/A |
Ok now as far as install need new plan Go from my ping tank with 3/4 inch pipe to front I have space on the wall in the spair tire comp. Is not the AD9 a 1/2 inch inlet and outlet then I should change to 1/2 from the ping tank??? Then back to the Wet tank with 1/2. Also run the Gov. 3/8 pipe to the AD9 which is the control for Dump. DO I have to also leave the old Gov. to Wet tank line in place??? Seems to Me to remove the Ejector as at this point just becomes more places to have a big loss of air???? Thanks for all the Help Rob | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1693 Registered: 12-2000 Posted From: 76.69.142.160 Rating: N/A |
Thanks David. I think I recall other MC5 owners also describing the air drier mounted in the rear of the coach. For the 40 foot coaches, it appears that MCI changed the factory mounting location up the front with the MC8 model change. For the MC5, does anyone know where the drier is factory installed on the whole family MC5A/B/C? Did it stay down the back to end of the MC5C? Like anything new, there were many skeptics of the worth of an air drier when they came out, including vehicle manufacturers. Until their popularity and performance showed they were here to stay, they were treated as an add on, some mistakenly with very short piping from the compressor, which became a self fulfilling prophesy of sorts for the naysayers, the drier quickly stopped drying due to heat damage. Rob, if that 3/4 line already exists, just use it, the air drier won't care. The governor needs the small line from the wet tank to sense the air pressure of the system, and then you have to add a signal line from the governor to the air drier in order to get the purge valve to open and close. You may need to upgrade the governor, your present one may or may not be equipped for air drier duty. They are cheap, and changing it is good preventive maintenance anyway. Remember that you need to service the air drier periodically, when executing your mounting strategy. You don't want to have to remove it entirely, unless that is your choice going in! happy coaching! buswarrior | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 85 Registered: 11-2007 Posted From: 70.210.143.84 Rating: N/A |
The 3/4 line only goes to the wet tank which is between the rear wheels on the baggage comp. wall! so I could reduce it their to 1/2 and go to the front. Got ya don't want it dumping in the compartment ether LOL. I have room on the front wall between the front wheels. Are they not good for 50,000 Miles before service?? OK my Compressor is a Bendix TF-500 278445 and the Governor is a 4a-8-1 Bendix Type D. SO the Gov. mounts to the compressor with 2 bolts about I think 2 1/2 inch apart what Governor will fit My compressor? or Can I change to a remote Governor for My compressor??? (LOL its in a Real Small space to work IN I know the return lines for the fuel are their also was that hard to change those lines out Wish I know I would be changing the Governor then LOL) Rob | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 205 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
My coach has a Bendix TF-600 with a Bendix D-2 governor. The "E" filter is serviced every 50000 miles. my drier recomends checking for moisture at 25000 mile intervals by draining the tanks and small amounts of moisture is acceptable, when it becomes abnormally large that could be an indication it is time to service the drier. Do you not have an access hatch in the coach floor at the rear. mine you take the hatch off and you are almost rite above the compressor. If you dont you could with some fabrication make a access hatch above your engine and with the bed at the rear you will have easy access to it by lifting the mattress. Dave L (Message edited by Dave_L on September 13, 2009) | ||
| Ralph Peters (Ralph7)
Registered Member Username: Ralph7 Post Number: 45 Registered: 3-2004 Posted From: 206.251.5.175 Rating: N/A |
On Nellies MC-5 the govenor is under the cutout in the floor. It normally would take 30-60 min. to change,if you do not stirp or brake something. She has a 8-71. The govenators I get are Bendix reman. or284358x D-2, they have high temp 0-rings. $16.24 plus tax. It comes with 4 plugs/for the extra holes and gasket. Did someone cover and hide the floor access? | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 206 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Ralph on Nellies MC5C did you notice where the drier is located on it. Dave L Rob I take it you got my email with the attached pages. those are from my service manual. At the end of each section in my book there are specs on the major components as to the make and model of the part in use at the time of this books printing. Dave L (Message edited by Dave_L on September 13, 2009) | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 86 Registered: 11-2007 Posted From: 70.210.143.84 Rating: N/A |
:-( access was covered over Have to see if I can find out where it was and cut out the new over the top of old floor which is now under the Bed LOL. My parts Manuel should give me the sizes of the pieces which should help me find where it was at! Dave you have a lot more things then my book only one Ejector which was an option. No drier option and different Air beam Filters 12-7-2. Also I see they changed The air beam filters to keep and protect the leveling Valves on unit #12403 That might be a great upgrade. Rob | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 87 Registered: 11-2007 Posted From: 70.210.143.84 Rating: N/A |
Thanks for the Governor # MC5C is Different then the MC5A May i should also get the MC5C book for Parts ?? and also the MC7 parts may Be able to get the just fit on upgrades with the part #. a lot of time between 60s and 80 I have old books I wonder if a new book would have the upgrades??? My books Printed 8-1966 I should get New books I believe can still get them from MCI. Anybody have MC5A books they don't need any more printed after the end of production sometime in the 80s.??? Rob (Message edited by Robsedona on September 13, 2009) | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1694 Registered: 12-2000 Posted From: 76.71.100.192 Rating: |
ok, so let's summarize. Rob, are you putting in an air drier or repairing the expelling valve system you have currently? happy coaching! buswarrior | ||
| Ralph Peters (Ralph7)
Registered Member Username: Ralph7 Post Number: 46 Registered: 3-2004 Posted From: 206.251.5.175 Rating: N/A |
No I did not look for the dryer, but the govenors inerchange. DO NOT get a govenor with a red cocer on top these are 135psi. cut out. The # I gave is 105 cutin 125cutout. Be very carefull cutting the floor to find the cover, the govenor and lines are very close to the floor, like less than 2in. | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 207 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Rob my opinion is the money spent on Books for later variants of the MC5 or my MC7 would be wasteful and better put towards modern parts of the types you want at least these new parts would be easier to service in the future with more easier replacement parts available into the future instead of trying to source obsolete service parts. Dave L | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 88 Registered: 11-2007 Posted From: 75.208.124.183 Rating: N/A |
Buswarrior I'm going to change to the air drier, Run it up to the front wall between the air beams. Take out the Ejector and its lines. Add the D-2 Governor. What is the better bang for the buck the AD9 or some other? Ralph I well only cut through the new floor which was but on for sound and heat from the engine compartment I can see the edge of it at the door into the Bedroom set my saw for just that deep! I think I found the spot to cut if the floor under is the same as was first put in :-) will cut it out today. Its on a step up ledge at the back just before the blower wall which was under the middle seat between the reg. 2 and the bathroom = two cuts up the side and should be right their. Yes Only a Governor for 105 cutin and 125 cutout. I thought all Governors are adjustable at the end under a cap or some fitting and could be set from like 85 to 1??. Dave sounds good to me. | ||
| Ralph Peters (Ralph7)
Registered Member Username: Ralph7 Post Number: 47 Registered: 3-2004 Posted From: 206.251.5.175 Rating: N/A |
There is one on the floor, directly above the compressor, and one on top of the step centered over the engine. | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1695 Registered: 12-2000 Posted From: 76.71.101.84 Rating: N/A |
AD9 are plentiful and up here, there are vendors who will exchange a whole rebuilt unit for a core on special for $150 or sometimes less! Cheaper than the labour and parts to do a PM on the desiccant and purge valve. The truck scrap yard is another source of good take outs. This is the time of year for specials, as winter approaches, so get into the heavy parts loop and see what is on sale. happy coaching! buswarrior | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 89 Registered: 11-2007 Posted From: 75.208.124.183 Rating: N/A |
Only find one for Inspection Door "Chest" then one Line Inspection "Front of Chest" have not Cut yet easy to find the Inspection Door which I have to thing is the one on the Chest or step up (I think) is the other one right in front of the other but on the Floor or off to the Side Which I think the Compressor would be offset by about 1 ft I think I see the door from under in the Eng. Comp. Small right above the Governor running over to above the Bus Alt. about 3/4 to a ft wide??? at least looks the same as the door over the Linkage and Front of Engine?? IS their a Door Over the Drop Box or between the air beams somewhere??? | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 90 Registered: 11-2007 Posted From: 75.208.124.183 Rating: N/A |
Buswarrior how does one get on this heavy parts Loop. Some of my brake parts are already changed to truck both of my QR valves are now truck back is a R-6 and the front is a QR-1. Also was going to start a new thread about my Damper Control valve its also not the one that came with the coach and need the Drivers side rebuild kit Valve or Air control unit is a Kysor Industrial Corp. # D-19270 have been to every Truck place they have never seen anything like it ( looked everywhere I cold find online) and I know it looks a lot like the control for the hook on a big Dump Truck any Ideas??? | ||
| Ralph Peters (Ralph7)
Registered Member Username: Ralph7 Post Number: 48 Registered: 3-2004 Posted From: 206.251.5.175 Rating: N/A |
The one on the floor begins abuot 4-6 in. left of center of bus at step, go forward 12-14 in. then to right(passenger) side of bus12-14 in.... In other words. Do a 12in. or 14in. square, infront of step. The one on top is nearly centered. There is NO access cover over the dropbox, sorry. IF you went way back in Nellies threads there was a picture posted of the govener through the floor. | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 208 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Rob I believe BW is saying check the heavy truck part supliers in your area and on the net for sales or price cuts on parts. Dave L | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 91 Registered: 11-2007 Posted From: 75.208.3.167 Rating: N/A |
OK have the doors open. the one on the floor is right in front of the other one foot square. Boy did that open a new can of worms!!! will be easy to change the Governor out now the line going to the wet tank goes over and tees into a 3 way line. One goes to the skinner valve for the Ejector Then over to the air assist for the Clutch I think I can just run strait to the Air assist for the clutch??? And the other will take time to track down. and strait into the space over between the air beam is for the wet tank. The oil line for the Compressor had worn to almost nothing by the pulleys for the Alt. took it off and it was almost all the way plugged with old oil seems like not a good sign to me. Missing the spring for the Clutch return but clutch comes right back up and is heavy to push also. I think the linkage and Zerk fittings their have not been done since Greyhound owned the coach. all the linkage looks rusty and dry going into the holes that go up front. Do I leave them dry Don't want to lube them if it will get the dirt and other things to build as can happen with the Shutters??? Rob | ||
| clint hunter (Truthhunter)
Registered Member Username: Truthhunter Post Number: 492 Registered: 1-2009 Posted From: 24.129.237.52 Rating: N/A |
ok now that you have gotten your hands dirty and done a little peeking about/ exploratory; perhaps it is time to ask again, do I drive often enough to warrant a dryer install/modification or is it enough cash & effort just to fix what has worked for this long; instead, using that which was not spent for for fixing existing systems for application on good scheduled PM work which has not been keep up; ideally well before a defect manifests, as if to tell you "it is too late, now your broke down & have to fix me, you no longer have the choice, IF ONLY you had PMed me , as you should have known too, by the book" ...like most things mechanical & busie, yes it would be nice to add, but most allways slightly more involved ...than "just those four bolts that we hope it might take". | ||
| David Lower (Dave_l)
Registered Member Username: Dave_l Post Number: 214 Registered: 11-2007 Posted From: 67.58.201.132 Rating: N/A |
Rob since we have been talking about driers I was at the local Navastar/International retailer to get parts for my truck. I asked them about a AD9 drier and they sell a upgrade kit, it has a new drier, mounting brackets wire plug with pig tail for the heater and all hardware needed to mount the drier. It has realy good instructions with air line diagrams you can get the heater with 24 volt it cost $330 Canadian so I bought one to do mine, they had a AD9 for about half price but it is a rebuilt exchange unit and you need a core or it will almost cost the same with out all the extras. Dave L | ||
| Rob Norgren (Robsedona)
Registered Member Username: Robsedona Post Number: 104 Registered: 11-2007 Posted From: 75.208.30.72 Rating: N/A |
David That sounds Great Now I have to find one around here! Clint Yes how true more then the 4 bolts and tack all apart to service as when done next time all I do is Take off filter and change :-) and get out water before the wet tank in stead of after! I think this upgrade is well worth the effort. Rob | ||
| john w. roan (Chessie4905)
Registered Member Username: Chessie4905 Post Number: 1643 Registered: 10-2003 Posted From: 71.58.71.157  Rating: N/A |
International and Mack dealers frequently have specials on these. | ||
| Nellie Wilson (Vivianellie)
Registered Member Username: Vivianellie Post Number: 270 Registered: 11-2008 Posted From: 75.178.92.43  Rating: N/A |
BusWarrior - On my 1977 MC-5C the (factory) air dryer is in the front, more or less above the front axle. Unlike Rob's setup, it is actuated by the governor (and oh, how well I know sbout that). Rob: FWIW, Napa has a sale on dyers right now - can't recall the exact price but well under $200 bucks. Had their mechanic check mine out, said their unit would be an adequate replecement. This particular store deals with a lot of big stuff, so I think it's pretty good info. As for finding a book on who makes MCI parts, good luck - easier to find an honest politician. But I'm learning some of these fleet outfits can jury rig a lot of stuff that works, especially if I bring in the original parts, fittings, etc. BTW, that pricey MCI parts manual? Let's just say it leaves a LOT to be desired. Hope you soon get set up the way you want. Nellie Wilson |
