mhb285
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Can someone tell me how you lube the air pack? And with what?
Thanks Mike
Thanks Mike
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How do you lube the Air Pack?
- Thread starter mhb285
- Start date
- 10,350
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- Meadows of Dan, Virginia
Mike, remove the small plug on the back of the large cylinder and squirt some oil (pneumatic oil would be good) into the cylinder. It will lube it and when the air is exhausted some of the oil will be carried to the valves in the control section of the Airpak.
Keep your air supply cleen and dry.
Bjorn
Keep your air supply cleen and dry.
Bjorn
Polverone
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Is this a maintenence thing that should be done on occasion or a fix-it for an ailing air pack?
- 10,350
- 75
- 48
- Location
- Meadows of Dan, Virginia
Do it once/year regardless (I don't, but that's what I say).
Bjorn
Bjorn
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Speaking of airpacks, how difficult are they to rebuild Bjorn. I've got the article you did but is it a challenge? Can it be done in a couple of hours?
- 10,350
- 75
- 48
- Location
- Meadows of Dan, Virginia
Yes, you can do it in a couple of hours...if you do it right the first time, instlling the U-cup seals facing the right direction and don't have to look for some spring that flies across the garage when it's taken apart.
You may not need a rebuild package, just inspect the old parts, clean and reinstall.
The piston within the slave cylinder has a valve in it, which must be operational (it is part of the rebuild kit).
The long spring in the slave cylinder is easy to kink and may have to be replaced if it does get kinked (also part of the rebuild kit).
One TM shows the U-cup seal for the slave cylinder installed backwards. Remember how the parts come apart, reinstall the same way. The cup of the U-cup seals must face the high pressure side.
Use brake fluid to lube the parts when reassembling.
NOTE: I cut an opening in the tool box to gain access to the control valves of the Airpak without even taken the unit off the truck. Possible to check operation also.
Bjorn
You may not need a rebuild package, just inspect the old parts, clean and reinstall.
The piston within the slave cylinder has a valve in it, which must be operational (it is part of the rebuild kit).
The long spring in the slave cylinder is easy to kink and may have to be replaced if it does get kinked (also part of the rebuild kit).
One TM shows the U-cup seal for the slave cylinder installed backwards. Remember how the parts come apart, reinstall the same way. The cup of the U-cup seals must face the high pressure side.
Use brake fluid to lube the parts when reassembling.
NOTE: I cut an opening in the tool box to gain access to the control valves of the Airpak without even taken the unit off the truck. Possible to check operation also.
Bjorn
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I have 2 extra air packs on parts trucks. I was toying with the idea of refreshing one up to keep on the shelf. The joy of deuces, especially when you have 2, is the interchageability of parts. I haven't checked yet but I'm sure the wrecker has DOT3 in it. It won't by the time the brakes work! That's also the way I sold the piggyback to OH idea to my wife. I assured her that by taking the second truck, I had a spare everything for the tractor!