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Old 09-17-2014, 08:05 PM   #1
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Dash air

I need a schematic and manual for a freightliner chassis 2007 Alfa Gold 400 Cummins.

In particular how to recharge.

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Old 09-17-2014, 08:40 PM   #2
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Freightliner Owners Club
Join Date: Apr 2002
Location: Pensacola
Posts: 1,965
Welcome to IRV2-
I'm not sure what brand Air conditioning system is on your chassis. Freightliner for quite awhile used Evans Tempcon. Evans Tempcon, Inc - Owners Resources

Their Technical support is here: Evans Tempcon, Inc - Technical Support
Schematic layout: http://www.evanstempcon.com/tsg_evansversus.php

Hope this helps.

Hooligan, Pensacola, Fl -U.S. Coast Guard 1956-1985
2016 Thor Siesta Sprinter 24ST diesel
Our Pug "Lily" & "George" the Newfoundland
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Old 09-17-2014, 08:56 PM   #3
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Join Date: Jan 2012
Location: Cincinnati
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A recharge should be carried out using a dual gauge A/C manifold so you can monitor both low and high side pressures. If you have a leak, it should be searched for by using UV dye and a black light to see the leaking area. The fill ports are usually in the front, right next to the HVAC plenum. The ports are different sizes, so you can't hook up high side gauge to low port and vice versa. In addition you should pay attention to ambient temperature and degree drop at a dash A/C vent.

Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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dash, dash air

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