TM 55-2210-224-34
SYMPTOM INDEX
Troubleshooting
Procedure
Symptom
Page
AIRBRAKE SYSTEM
6-NFR DISTRIBUTING VALVE
Automatic brake cylinder pressure fails to develop or applies
and reduces to zero .................................... .........................................................................
3-15
There is steady blow of air at application valve exhaust with brakes
applied or released ............................................. ................................................................
3-16
There is a steady blow of air at application valve exhaust ......... .................................................
3-16
Brakes fail to release ..................................................................................................................
3-16
AIR COMPRESSOR GOVERNOR
Air compressor governor not loading and unloading ....................................................................
3-16
BATTERIES
Batteries fail to charge ................................................................................................................
3-16
COOLING SYSTEM
Coolant temperature is excessive ...............................................................................................
3-17
System loses coolant........................................ ..........................................................................
3-17
EMERGENCY SHUTDOWN SYSTEM
Emergency shutdown system fails to operate when buttons are pushed . ....................................
3-18
ENGINE FUEL SYSTEM
Locomotive engine shuts down due to malfunctioning fuel system ..............................................
3-18
ENGINE WARNING SYSTEM
Engine oil pressure gage drops below safe operating range, but there
is no warning indication ........................................................................................................
3-18
Engine temperature rises above safe operating range and high
temperature warning buzzer does not alarm .........................................................................
3-19
HORN
Horn will not sound .....................................................................................................................
3-19
LIGHTS
Headlights will not function properly .............................. .............................................................
3-20
Cab lights will not function properly .............................. ..............................................................
3-20
Cowling lights will not function properly .......................... ............................................................
3-20
Step lights will not function properly ............................. ..............................................................
3-21
3-4
