TM 9--2350--292--10AUXILIARY POWER UNIT TROUBLESHOOTING0084 00THIS WORK PACKAGE COVERS:Auxiliary Power Unit engine fails to start 0084 00--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Auxiliary Power Unit starts, but fails to keep running 0084 00--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BATT--GEN gauge reads in yellow or lower red with APU running and APU GEN switch ON 0084 00--1. . . . . . . . .INITIAL SETUP:Personnel RequiredThreeReferencesWP 0071 00WP 0112 00WP 0101 00WP 0033 00AUXILIARY POWER UNIT ENGINE FAILS TO STARTStep 1. If APU will not crank, check BATT--GEN gauge for low battery charge.Slave start the vehicle and charge batteries (WP 0071 00).Step 2. Check and ensure APU GEN switch is in the OFF position.Place APU GEN switch in the OFF position.Step 3. Check air intake for restrictions.Remove any restrictions and clean air filter (WP 0112 00).Step 4. Use fuel gauge to check rear fuel tank fuel level.Refuel vehicle.Step 5. If problem still exists, notify unit maintenance (AUXILIARY POWER UNIT ENGINE FAILS TO START).AUXILIARY POWER UNIT STARTS, BUT FAILS TO KEEP RUNNINGStep 1. Check for water in the fuel filters.Drain fuel filters for condensation (WP 0101 00).Step 2. Check air intake for restrictions.Remove any restrictions and clear air filter (WP 0112 00).Step 3. If problem still exists, notify unit maintenance (AUXILIARY POWER UNIT FAILS TO KEEP RUNNING).BATT--GEN GAUGE READS IN YELLOW OR LOWER RED WITH APU RUNNING AND APU GEN SWITCH ONStep 1. Remove air intake grille above voltage regulator (WP 0033 00).Step 2. Press reset button on voltage regulator.Step 3. If problem still exists, notify maintenance (BATT/GEN GAUGE READS IN YELLOW OR LOWER REDWITH APU RUNNING AND APU GEN SWITCH ON).END OF TASK0084 00--1/2 blank
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
