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Old 01-04-2018, 05:20 PM   #11
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It's not filling the air tank again. It's hovering at the 60 lb mark. That's the cut off for the alarm. It worked while i was driving earlier, but stop and go city driving got it below the cut off. Now I'm stuck in the city can't move. And this alarm is driving me crazy

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Old 01-04-2018, 05:42 PM   #12
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It's not filling the air tank again. It's hovering at the 60 lb mark. That's the cut off for the alarm. It worked while i was driving earlier, but stop and go city driving got it below the cut off. Now I'm stuck in the city can't move. And this alarm is driving me crazy

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Take a line loose and blow the lines...you've most likely got a water issue

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Old 01-04-2018, 05:47 PM   #13
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Take a line loose and blow the lines...you've most likely got a water issue

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Right on. Ill have to get a way to do that. Like i said I'm stuck in the city. Every other tool but a portable compessor. I managed to move around the corner and it dropped to 20 lbs and is staying. And it's idling really bad. Sounds funny

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Old 01-04-2018, 06:07 PM   #14
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Right on. Ill have to get a way to do that. Like i said I'm stuck in the city. Every other tool but a portable compessor. I managed to move around the corner and it dropped to 20 lbs and is staying. And it's idling really bad. Sounds funny

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Sorry to hear...good luck

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Old 01-04-2018, 06:20 PM   #15
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It would help if people could see what you're working on in your profile.

Running rough and the air compressor acting strange. I figured you had a piece of rust stuck in a valve, but the rough idle sounds like you've got something else going on there.
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Old 01-04-2018, 06:21 PM   #16
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It would help if people could see what you're working on in your profile.

Running rough and the air compressor acting strange. I figured you had a piece of rust stuck in a valve, but the rough idle sounds like you've got something else going on there.
Its a 1998 international. Dt 466 with a 30 60 Allison. Push.amtran body

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Old 01-04-2018, 06:32 PM   #17
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do you have an air dryer? a heated air dryer is a MUST to drive in cold climates.. most of them are bendix air dryers and have a 2 wire heater on them.. if the fuse is blown or heater element goes bad the dryer may get stuck in purge mode and release all the air as the compressor pumps up[ or sometimes water can run back down into the governor and freeze it.. but normally a frozen air dryer is the cause of failure to build pressure..

if there is no air dryer then you'll have all kinds of freezing issues.. including the possibility of brake failure.. you can buy air line anti freeze and put a little in the system to help keep it de-iced..

I had the air system completely freeze up on my red bus last year.. its hydraulic brakes but I had no air dryer.. the governor froze on.. the pop-off valve froze.. my air compressor pumped the gauge off the scale... cracked the head and blew high pressure air into my cooling system(the compressor has coolant in the head of it).. and blasted all my coolant all over the ground.... now I have a Heated air dryer.. its been below zero and my air system works perfectly now..
-Christopher
EDIT - it also froze and ruined my air gauge so I had no idea hopw much air was really in the tank.. the bus would shake when it idled because the compressor was pumping well above its design capacity..
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Old 01-04-2018, 06:36 PM   #18
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do you have an air dryer? a heated air dryer is a MUST to drive in cold climates.. most of them are bendix air dryers and have a 2 wire heater on them.. if the fuse is blown or heater element goes bad the dryer may get stuck in purge mode and release all the air as the compressor pumps up[ or sometimes water can run back down into the governor and freeze it.. but normally a frozen air dryer is the cause of failure to build pressure..

if there is no air dryer then you'll have all kinds of freezing issues.. including the possibility of brake failure.. you can buy air line anti freeze and put a little in the system to help keep it de-iced..

I had the air system completely freeze up on my red bus last year.. its hydraulic brakes but I had no air dryer.. the governor froze on.. the pop-off valve froze.. my air compressor pumped the gauge off the scale... cracked the head and blew high pressure air into my cooling system(the compressor has coolant in the head of it).. and blasted all my coolant all over the ground.... now I have a Heated air dryer.. its been below zero and my air system works perfectly now..
-Christopher
It has an air dryer. Ill check that out. Hopefully they are not too much money. I think it's the cold. Maybe i can thaw it out and get the water out.

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Old 01-04-2018, 06:40 PM   #19
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check the wiring to the air dryer if you can.. if the heater goes bad it can be replaced separately on most.. you should have a Bendix AD-4 or a Bendix AD-9 most likely.. thats what international used most times wasd Bendix systems.. on my DEV bus when I got it the wires to the heater had no power.. there was a fuse on the in-dash chassis panel labelled air dryer.. it was popped.. I replaced it.. hasnt happened since..
-Christopher
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Old 01-04-2018, 06:43 PM   #20
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I heard you say you are in a city? i dont suppose you sare anywhere near my city?
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