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Author Topic: cant shut off engine due to no air pressure, 73 Eagle DETROIT  (Read 432 times)

Offline road dawg

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  • Posts: 156
cant shut off engine due to no air pressure, 73 Eagle DETROIT
« on: November 04, 2023, 12:15:03 PM »
73 eagle detroit diesel, cant shut off engine due to no air pressure
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1973 EAGLE  IRON HORSE DISCIPLES MM

Offline DoubleEagle

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  • Posts: 59
  • Ohio
Re: cant shut off engine due to no air pressure, 73 Eagle DETROIT
« Reply #1 on: November 04, 2023, 12:22:55 PM »
Manually pull the lever that the shut-off air cylinder would have. There are only two of these air cylinders on the top center, one is for fast idle, one for shut off. You have a 50% chance of being right. Use a hooked tool to grab it in case the air cylinder fires off and stabs your finger.
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1975 Model 05 Eagle, 4 speed Spicer, 8V71
1982 Model 10 Eagle, 5 Speed Spicer, 6V92
1984 Model 10 Eagle, Allison HT740, 6V92
1994 Model 15-45 Eagle, Allison HT746, 12.7L Series 60

Offline road dawg

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  • Posts: 156
Re: cant shut off engine due to no air pressure, 73 Eagle DETROIT
« Reply #2 on: November 04, 2023, 12:38:01 PM »
where do i find this ?
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1973 EAGLE  IRON HORSE DISCIPLES MM

Offline DoubleEagle

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  • Posts: 59
  • Ohio
Re: cant shut off engine due to no air pressure, 73 Eagle DETROIT
« Reply #3 on: November 04, 2023, 09:12:38 PM »
From the rear, look on the top center of the engine.
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1975 Model 05 Eagle, 4 speed Spicer, 8V71
1982 Model 10 Eagle, 5 Speed Spicer, 6V92
1984 Model 10 Eagle, Allison HT740, 6V92
1994 Model 15-45 Eagle, Allison HT746, 12.7L Series 60

Offline dave5cs

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  • Posts: 40
Re: cant shut off engine due to no air pressure, 73 Eagle DETROIT
« Reply #4 on: November 06, 2023, 11:36:43 AM »
A small shaft poking out, brownish in color maybe silver and looks like they are laying down. Will have an air hose connected to the rear of them.  Just move the shaft out until the engine stops.

Also should have a fuel shutoff by the filters.
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1979 35 ft MCI MC5C Saudi Coach
6V71, 644 Allison (PF BUS)
2001 Jeep Cherokee sport 60 anniversary Silver edition
1998 Jeep TJ, (No more)
Somewhere is the US

Offline road dawg

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  • Posts: 156
Re: cant shut off engine due to no air pressure, 73 Eagle DETROIT
« Reply #5 on: December 02, 2023, 07:32:23 PM »
i have looked and looked, cannot find any thing, dont know what to do
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1973 EAGLE  IRON HORSE DISCIPLES MM

Offline dave5cs

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  • Posts: 40
Re: cant shut off engine due to no air pressure, 73 Eagle DETROIT
« Reply #6 on: December 05, 2023, 05:24:48 PM »
Loosen your fuel filter(s) that will allow air to get in and no fuel to pass and it will stop.
Logged
1979 35 ft MCI MC5C Saudi Coach
6V71, 644 Allison (PF BUS)
2001 Jeep Cherokee sport 60 anniversary Silver edition
1998 Jeep TJ, (No more)
Somewhere is the US
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