TM 9-2330-381-14
4-12.
SYMPTOM INDEX (CONT)
Symptom
Symptom
no.
APU - CONT
Low oil pressure ...........................................................................................................................
Engine overheating ......................................................................................................................
Battery will not hold charge ...........................................................................................................
APU charging circuit fails to keep battery charged ........................................................................
Glow plug heats slowly or fails to heat ..........................................................................................
APU jump start system inoperable ................................................................................................
HYDRAULIC SYSTEM
General hydraulic failures .............................................................................................................
External leaks ..............................................................................................................................
System will not maintain normal or adequate operating pressure ..................................................
Excessive pump noise or pump failure ..........................................................................................
Platform suspension will not adjust or adjustments are sluggish ....................................................
Platform suspension drifts down or drops ......................................................................................
Suspension rides stiff and does not adjust for bumps/road hazards ..............................................
Suspension tire change chain is over-stressed and/or breaks .......................................................
Gooseneck will not adjust or adjustments are sluggish ..................................................................
Gooseneck drifts down, drops, or will not support itself .................................................................
Oil or air relieving from gooseneck cylinder air reservoir ...............................................................
Steering will not adjust ..................................................................................................................
Steering pressure indicator light comes on ...................................................................................
Semitrailer steering does not track properly ..................................................................................
Steering pressure indicator does not light .....................................................................................
ELECTRICAL SYSTEM
All lamps do not light ....................................................................................................................
One or more (but not all) lights will not light ..................................................................................
Dim or flickering lights ..................................................................................................................
WHEELS, TIRES, AND HUBS
Wheel wobbles .............................................................................................................................
Excessive or uneven tire wear ......................................................................................................
In tow, semitrailer wanders or pulls to one side (on level ground) ..................................................
BRAKES
No brakes or weak brakes ............................................................................................................
Slow brake application or slow release .........................................................................................
Brakes grab ..................................................................................................................................
4-22 Change 1
