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Trailer Emergency/Supply System Troubleshooting


Remove the any line to the front Control (blue) gladhand.
When the Supply (red) line is charged does air leak from Control gladhand or Control Line valve (110580 or 110570)?
.
Yes
No




Caution!!!
 Only qualified and competent personel should attempt to service braking systems. Block wheels before servicing trailer air brake system. Drain reservoirs before removing air lines, hose, valves or servicing valves. Consult brake chamber manufacturer's safety recommendations before working on brake chambers.



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