TM 9--2350--292--20--1 0007 00--2 QUICK GUIDE TO TROUBLESHOOTING (SYMPTOM/MALFUNCTION) INDEX -- CONTINUED 0007 00 SYMPTOM ACTION OR WP REF AUXILIARY POWER UNIT AUXILIARY POWER UNIT ENGINE FAILS TO START. Notify Direct Support Maintenance AUXILIARY POWER UNIT ENGINE IS HARD TO START. Notify Direct Support Maintenance AUXILIARY POWER UNIT ENGINE MISFIRES. Notify Direct Support Maintenance AUXILIARY POWER UNIT ENGINE LACKS POWER. Notify Direct Support Maintenance AUXILIARY POWER UNIT ENGINE DISCHARGES BLACK SMOKE. Notify Direct Support Maintenance AUXILIARY POWER UNIT ENGINE KNOCKS. Notify Direct Support Maintenance AUXILIARY POWER UNIT ENGINE USES EXCESSIVE OIL. Notify Direct Support Maintenance BILGE PUMP BILGE PUMP FAILS TO OPERATE. WP 0030 00 BILGE PUMP LIGHT FAILS TO OPERATE. ALL OTHER ACCESSORY LIGHTS OPERATE. WP 0031 00 COMMUNICATIONS COMMUNICATIONS SYSTEM FAILS TO OPERATE. WP 0033 00 DRIVER’S CONTROLS VEHICLE WILL NOT STEER OR WILL ONLY STEER IN ONE DIRECTION. WP 0035 00 BRAKES DO NOT STOP VEHICLE EFFECTIVELY. WP 0036 00 BRAKE PUMP MOTOR RUNS CONTINUOUSLY AND BRAKE PRESSURE DOES NOT REACH 950 PSI (OLD CONFIGURATION) OR 1300 PSI (NEW CONFIGURATION WITH BRAKE MODULATION) WP 0036 00 BRAKES DRAG ON ONE OR BOTH SIDES. WP 0037 00 ENGINE DOES NOT RESPOND PROPERLY TO THROTTLE CONTROLS. WP 0038 00 PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON). WP 0039 00 ENGINE ENGINE FAILS TO CRANK WHEN STARTER SWITCH IS PRESSED. WP 0041 00 ENGINE CRANKS AT NORMAL SPEED BUT WILL NOT START. WP 0042 00 ENGINE CRANKS BUT WILL NOT START IN COLD WEATHER. WP 0043 00 ENGINE CRANKS SLOWLY AND WILL NOT START. WP 0044 00 ENGINE FAILS TO SHUT OFF WHEN FUEL SHUTOFF SWITCH IS ACTIVATED. WP 0045 00 ENGINE FAILS TO SHUT OFF WHEN MANUAL FUEL SHUTOFF HANDLE IS PULLED. WP 0046 00