What's the blue valve for?

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#31

09-16-2007, 11:31 AM

Mackman

Senior Board Member

Join Date: Sep 2005

Location: Concordville PA

Posts: 3,841

i drove an 81 r-model mack with all 3

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Truck Driving an occupation consisting of hours of boredom interrupted by sheer terror!!

"All the coolie carriers suck. Log 70, work 80-100, paid for 50." - the Great ColdFrostyMug

#32

09-16-2007, 12:09 PM

COLT

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Join Date: Jan 2006

Location: FT ST JOHN

Posts: 649

When bobtailing, the blue button is the only one that is functional.

The yellow one still works "Ace"

#33

09-16-2007, 12:14 PM

Part Time Dweller

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Join Date: Jan 2007

Location: Western Chicago Suburb, IL

Posts: 442

Got me there Ace.

ops:

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