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TM 9-2320-360-20-1
k. AIR SYSTEM
Troubleshooting
Procedure
Malfunction
(Page)
k1.
Air system looses pressure during operation or air pressure buildup is slow................................... 2-750
k2.
Large quantity of moisture expelled from reservoirs ..................................................................... 2-758
k3.
Air dryer(s) continually purge ..................................................................................................... 2-762
k3.1. Air dryer(s) fail to purge ............................................................................................................. 2-762.4
k4.
Relief valve on air dryer releasing air .......................................................................................... 2-764
k4.1. Relief valve on aftercooler releasing air ...................................................................................... 2-765.1
k5.
Compressor fails to unload. (Air system pressure builds up to more
than 125 psi (862 kPa)) ............................................................................................................. 2-766
k6.
Noisy air compressor operation .................................................................................................. 2-768
k7.
Coolant and/or lubricant leaks from compressor .......................................................................... 2-772
k8.
Air pressure drops rapidly after engine shutdown ........................................................................ 2-776
k9.
Windshield washer does not operate........................................................................................... 2-780
k10.
Horn (country) does not operate.................................................................................................. 2-786
k11.
Horn (city) does not operate ....................................................................................................... 2-790
k12.
Transfer case does not engage front axle when transfer case shift
lever is positioned to LOW .......................................................................................................... 2-796
k13.
Transfer case does not engage front axle when transfer case shift
lever is positioned to HIGH and driveline control is positioned to LOCK ......................................... 2-800
Change 2 2-749
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