TM 55-1520-240-T AUXILIARY POWER UNIT SYSTEM ELECTRICAL COMPONENT LOCATION AND CONFIGURATION LIST REF PART STATION LOCATION DESIG NUMBER TYPE MATE WITH/LOCATION FS WL BL GD128 151 LH AFT CABIN 360 32 50L GD129 151 AFT AT APU AREA 594 60 20R GD130 151 LH AFT TAIL 510 50 45L GD153 151 LH AFT CABIN 380 -15 50L P302 MS3456W10SL-4S 46 MAGNETIC PICKUP-APU 605 65 0L P303 MS3456L10SL-3S 70 IGNITION EXCITER-APU 605 66 8R TB3 MS27212-1-12 160 NO.  1 PDP-COCKPIT 90 -15 30L TB301 MS27212-1-5 160 APU 605 65 6R 136K1 MS24149-D1 106 APU FAULT RELAY 360 40 50L 136P1 M83723-96A1624N 35 J1 OF ESU 520 40 50L 136P2 M83723-95A1415N 34 J2 OF ESU 520 40 50L 136J3 MS3474W12-3S 16 AIRCRAFT SKIN-TANK SIDE-CABLE TO 380 -5 50L   APU FUEL PUMP-LH POD 136P4 MS3456W10SL-4S 46 APU FUEL VALVE-LH POD 375 -20 54L 136P5 M83723-95A1005N 30 APU HYD START VALVE 575 50 30R 136P6 M83723-95A1624N 71 J301 OF APU 594 65 8L 174J5 MS3474W14-19S 21 AIRCRAFT SKIN-INSIDE 385 -5 50L 174P5 MS3476W14-19P 21 AIRCRAFT SKIN-TANK SIDE 385 -5 50L 232P1 MS3476W20-41S 24 MASTER CAUTION PANEL-CENTER   INST PNL (WITHOUT 74) REF PART STATION LOCATION DESIG NUMBER TYPE MATE WITH/LOCATION FS WL BL 232P1 MS3476W22-55S 27 MASTER CAUTION PANEL-CENTER   INST PNL (WITH 74 232P3 MS3476W14-19S 21 MASTER CAUTION PANEL-CENTER   INST PNL (WITH 74) 300J1 M83723-74A2041N 40 NO.  1 PDP-COCKPIT 300P1 M83723-75A2041N 40 NO.  1 PDP-COCKPIT 300J19 M83723-73A2041N 40 OVERHEAD PANEL-COCKPIT 300P19 M83723-76A2041N 40 OVERHEAD PANEL-COCKPIT 300J21 M83723-74A2461N 43 OVERHEAD PANEL-COCKPIT 300P21 M83723-75A2461N 43 OVERHEAD PANEL-COCKPIT 300J50 M83723-73A2461N 43 ELECTRONICS COMPARTMENT-OVHD 120 40 20L 300P50 M83723-76A 2461N 43 ELECTRONICS COMPARTMENT-OVHD 120 40 20L 300J54 M83723-74A2461N 43 AFT CROWN 460 50 20L 300P54 M83723-75A2461N 43 AFT CROWN 460 50 20L 300J61 M83723-73A24619 43 CONSOLE-UNDERFLOOR (WITHOUT  74) 85 -20 10L 300J61 M83723-73W24619 28 CONSOLE-UNDERFLOOR (WITH 74) 85 -20 10L 300P61 M83723-76A24619 43 CONSOLE-UNDERFLOOR (WITHOUT  74) 85 -20 10L 300P61 M83723-76W24619 28 CONSOLE-UNDERFLOOR (WITH 74) 85 -20 10L GO TO NEXT PAGE 15-22  Change 23