TM 9--2350--292--20--1 0007 00--1 QUICK GUIDE TO TROUBLESHOOTING (SYMPTOM/MALFUNCTION) INDEX 0007 00 THIS WORK PACKAGE COVERS: Quick Guide to Troubleshooting INITIAL SETUP: Personnel Required Three The troubleshooting symptom/malfunction information in this work package is presented in a manner to quickly locate a particular symptom or malfunction. Symptoms/malfunctions are also identified under each vehicle system. SYMPTOM ACTION OR WP REF AUXILIARY POWER UNIT (ONAN) AUXILIARY POWER UNIT FAILS TO CRANK. WP 0009 00 AUXILIARY POWER UNIT FAILS TO KEEP RUNNING. WP 0010 00 AUXILIARY POWER UNIT ENGINE HARD TO START IN COLD WEATHER. WP 0011 00 AUXILIARY POWER UNIT FUEL SOLENOID FAILS TO ENERGIZE. WP 0012 00 BATT/GEN GAUGE READS IN YELLOW OR LOWER RED WITH APU RUNNING AND APU GEN SWITCH ON. WP 0013 00 APU CONTROL BOX HIGH AIR TEMP INDICATOR DOES NOT LIGHT. WP 0014 00 APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW. WP 0015 00 APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING. WP 0016 00 AUXILIARY POWER UNIT (HATZ) AUXILIARY POWER UNIT FAILS TO CRANK. WP 0018 00 AUXILIARY POWER UNIT FAILS TO KEEP RUNNING. WP 0019 00 AUXILIARY POWER UNIT ENGINE HARD TO START IN COLD WEATHER. WP 0020 00 AUXILIARY POWER UNIT FUEL SOLENOID FAILS TO ENERGIZE. WP 0021 00 BATT/GEN GAUGE READS IN YELLOW OR LOWER RED WITH APU RUNNING AND APU GEN SWITCH ON. WP 0022 00 APU CONTROL BOX HIGH AIR TEMP INDICATOR DOES NOT LIGHT. WP 0023 00 APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW. WP 0024 00 APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING. WP 0025 00 AUXILIARY POWER UNIT HOURMETER DOES NOT WORK. WP 0026 00 AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED AND DOOR FAN IS NOT RUNNING. WP 0027 00 AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED AND SUMP FAN IS NOT RUNNING. WP 0028 00