Air compressor gone. Mack RS 600 L

[Muladzh]

Mackie has blown the Air compressor - luckily I managed to get situated in an RV park, but we stay here till fixed.

Maxidyne 285 engine, 1978 vintage. I am having a hard time finding a compressor to change out, I am in Baileyton, Tennessee, exit 36 I 81 and need to find a compressor, but can't find anywhere that stocks such an old truck's parts.

We have been travelling around for the last three years, staying for months in various places, still living in the Mack, and loving it. However this last month has had a few problems - had to replace the rears after an inner blew out and ripped the wheel arch - got the sheetmetal fixed waiting for the tire guy to show up - that was in the middle of nowhere on I 84, in construction east of Burley. Got a new tire from Schwabs but the other three were in pretty bad condition, so $2k later I had new rears. Then the mileage went down some, don't know why, but I went from 11 to about 9 mpg. Still haven't figured that one out. Then we pulled all the way to Tennessee with no more problems, until I fuelled up at the Petro, I 81 exit 36 - heard the compressor start rattling. I finished filling up, and drove 300 yards to an RV park. By the time I got there the suspension was flat, but I managed to get situated before the brakes locked. Most of the time I have not had internet, so that is why I haven't been posting anything - three years with no internet makes for a very quiet life. I have had a few friendly waves from Mack trucks over the years so I reckon I must have seen some of you guys on the road.

Anyway, I am stuck, fortunately in a good place, without a compressor, and don't know where to find one, or how much to pay. I have to admit I ain't really sure how to replace the thing either - never had one go on me before. Somewhere, in one of the lockers is a service manual for the truck, I need it to stop raining so I can search for it. ( no awning on this truck, so I can't unload the lockers until things will stay dry.)

Any info greatly appreciated.

[Vladislav]

I thing you should make pictures of the engine compartment and the actual compressor in its place and post them here.

It might help.

About 10 years ago whole the R-model was scrapped in Russia due to compressor issue.

Vlad.

[fxfymn]

I assume you searched the old interweb already. One I came up with is: http://phoenixex.com/find-your-part/air-compressors/mack-flange-mount-107511x-air-compressor

Without knowing exactly what model your rig uses it is hard, but I'd give a few of the folks that come up a call. That is not all that old of a truck, nor is it uncommon.

[staxx]

Check with Winrock parts 1-865-435-0032 oliver springs Tn ask for Bill he can help you out all mack salvage yard.

[TozziWelding]

My 2 cents, should be a basic 3 bolt flange mount Bendix. They are all basically the same except for minor differences that can be swapped from the old unit.

[2stacksuperdog]

Arent they the same air compressors generally still used today?

[mike69mackman]

Wishes I would've known you were broke down earlier I went right by exit 36 . I would've stopped and tried to help you out. Should be back up through there sometime tomorrow . Give me a call if I can help you. 1-717-877-0684 mike.

[Freightrain]

If it is not blown up Mason truck parts in Ohio can rebuild it in a day. They did mine 10odd years ago. Three days total travel time. I dont have their number handy but should google easily. Gnaddenhutten, Ohio area on rt 36.

It was $500.

[David]

Look on Ebay.

[j hancock]

A pretty common one is Midland EL13111 or comparable.

In the $300.00-350.00 range with core.

Jim

[39 Baby Mack]

Could be either a Midland, as Jim stated above, or a Bendix which is what I'm more familiar with.

One question comes to mind does the truck have power steering?

If it does a lot of them had either Vickers or Dayton pumps driven of the rear of the compressor.

If that be the case you almost have to stick with replacing it with same type that came off of it.

Again I am not familiar with the Midland compressors but if the truck has a Bendix TuFlo 501 it takes one style of adapter and drive for the power steering pump while

a Bendix TuFlo 550 takes a different style drive and adapter and are not interchangeable.

Bendix compressors for a Mack I would think would be fairly common.

If the truck doesn't have power steering, and you have your choice depending on what they will do about the core, I would suggest using a Bendix TuFlo 550

over the 501 simply because it has a one piece crankcase rather than the two piece that the 501 has---one less place to leak oil.

Ron

[rsb502]

Yeah, your so close to Winrock truck parts I would call Bill,John or Casey Monday they probably have one just the other side of Knoxville. Like Staxx said 800-676-0052

[rsb502]

Just out of curiosity which way are you headed when you get it fixed?

[Freightrain]

Link and phone number (now that I'm on my home computer)

http://www.masontrucksales.com/

51000 US Highway 36, Fresno, OH 43824 | Tel: 740-622-6909| US: 800-331-6381 | Fax: 740-622-4323

[russoniellov]

Look on Ebay.

Ditto.

http://www.ebay.com/itm/Haldex-Midland-EL13111X-Reman-Air-Compressor-for-Mack-No-Core-NIB-/251208968160?pt=Other_Vehicle_Parts&hash=item3a7d38a7e0&vxp=mtr

[Muladzh]

Thank you for the replies, guys, I have pretty useless internet so I did not get back on until tonight, so I missed the posts. The truck has power steering added after it was bought, don't know if it gets power from the compressor. I tried getting pictures today, but the camera was out of batteries - I will try again tomorrow. I don't actually know where the compressor is - I am not the best mechanic anywhere, so have difficulties identifying things.. Terrible thing to admit, but that is the truth. What I do know is nothing seems to look like the one I had on a Frieghtliner with a Detroit a few years back.

[Muladzh]

When I get it fixed I have no plans as to where we are going next - just travelling around. I came to this area to visit with friends. I may end up going to Texas later in the year, but have a wish to see the Atlantic before then. If fuel would get reasonable I could go more places, but this cost is hurting.

[br549]

Air compressor is on passenger side behind the fuel injection pump, has 3 bolts, should be a tag you can see to get model, bendix or midland. power steering should be mounted on the back with 2 bolts. truckpro is in Johnson city, Tn about 30 miles from u. FleetPride is in Kingsport, Tn about 40 miles both deliver down that way. Did the a/c throw a rod. some times the fiber coupling slips on the drive and one way to tell is if you loose your power steering too. that being said a lot of times it just the unloader valves or governor bad, or a air leak on the main line or else where, a couple of times I have seen the hose to the intake air swell up inside and close of air and it will not build air.

[Muladzh]

Thank you for that information, I will have a look in daylight.

[David]

When your changing the compressor make sure you have good flow in the coolant lines. I've seen the line behind the fuel pump corroded and plugged. Also is the intake line for the compressor hooked up to the suction side of the turbo? There was a service bulletin on either moving the line to the intake manifold or installing a filter kit on the compressor.

[Muladzh]

I will check that out, thank you.

[Muladzh]

Thank you, I have to wait until I have enough money to do the repair, but I have looked at it and don't see anything in particular that shouts broken. At the end of the month I will get dirty and try fixing it.