TM 5-3805-262-34 2-2.  TROUBLESHOOTING  SYMPTOM  INDEX  (CONT) Para/Malfunction Page AIR BRAKE SYSTEM Air  Compressor  Fails  to  Maintain  Sufficient  Air  Pressure Noisy  Operation  of  Air  Compressor STEERING  SYSTEM No  Response  When  Steering  Wheel  Turned Touchy,  Erratic,  or  Wrong  Response  to  Steering  Wheel Slow or Hard Steering Auxiliary  Steering  System  Does  Not  Operate FRAME  AND  TOWING  ATTACHMENTS Chassis  Spindle  Assembly  Binds  When  Turning Excessive Excessive Excessive CAB Cab Upper Cab  Upper Cab  Lower Excessive Play  at  Chassis  Spindle  Assembly  When  Turning Noise  at  Chassis  Pivot  Assembly  When  Turning Noise  at  Rear  Chassis  Trunnion Door Will Not Latch Back Door Will Not Latch Door Will Not Latch Noise  Penetrates  Cab HYDRAULIC  SYSTEM Bucket  Tilt  Cylinder  Assemblies  Operate  Sluggish  or Poor  (All  Other  Cylinders  Operate  Properly) Bucket Clamshell Cylinder Assemblies Operate Sluggish or  Poor  (All  Other  Cylinders  Operate  Properly) All  Cylinders  Operate  Sluggish  or  Poor Lift Arm, Bucket, or Clam Operation Too SlOW Hydraulic System Oil TOO Hot A  Hydraulic  Control  Lever  Does  Not  Return  to  Neutral Hydraulic  Oil  Leakage  Around  Control  Valve  Assembly spool(s) Load  Falls  When  a  Hydraulic  Control  Lever  Operated Detent  Will  Not  Keep  a  Hydraulic  Control  Lever  in  Position Hydraulic  Pump  Leaks  Oil Hydraulic  Oil  Contaminated EARTH  MOVING  COMPONENTS Lift Arm Does Not Move or Moves Slowly Bucket Does Not Move or Moves Slowly Bucket  Clamshell  Does  Not  Move  or  Moves  Slowly 2-12/1 2-12/2 2-13/1 2-13/2 2-13/3 2-13/4 2-14/1 2-14/2 2-14/3 2-14/4 2-15/1 2-15/2 2-15/3 2-15/4 2-16/1 2-16/2 2-16/3 2-16/4 2-16/5 2-16/6 2-16/7 2-16/8 2-16/9 2-16/10 2-16/11 2-17/1 2-17/2 2-17/3 2-111 2-111 2-113 2-114 2-115 2-117 2-119 2-119 2-119 2-119 2-120 2-121 2-121 2-122 2-123 2-123 2-123 2-124 2-125 2-126 2-127 2-127 2-127 2-127 2-128 2-129 2-129 2-130 2-3