FO--4. ELECTRICAL SCHEMATIC (SHEET 4 OF 11) FP--7/(FP--8 blank) E F ^GH_J ^KL M A B ^CD S R^P N 31 522 510 310 324 ^530A530B ⁵⁰⁹36 ³³627 321 4W103 30 LIQUID QUANTITY TRANSMITER 04 5 ^GH_F A ^CB_D E 400/459B 22/460 ^400/459B24 23 22/461 ²¹459 16 5 4W127 4W106 06 2 400 3 400/ 459B 400 B ^CD_E F ^GH A 1A ⁵⁴1 ^61A61 ¹14 4W101 03 5 A 48 80 CIRCUIT BREAKER 48 48 48 48 5 A^B C 48 590 48 48 509 591 88 88A 85 86 NO NC C BRAKE RELAY 100 AMP 4W100 591 (PLUG) 589 578 P PUMP AND MOTOR ^MN_L H ^CA_D B ⁴¹⁹61A GND 61 487 65⁶⁵ J K ^EF 420 421 420A⁴⁹³ 487A GND 61 61A GND ¹3₄ 6 5 2 SW4 GENERATOR SWITCH S2 PREHEAT SWITCH CB2 487 65A 65 S1 START SWITCH CB1 65 419 421 S3 FUEL SHUTOFF SWITCH CB3 419 420 420B OIL PRESSURE INDICATOR 40 L3 PANEL LIGHT GND 420A 27 L2 LOW OIL PRESS LIGHT 493 27 L1 HIGH AIR TEMP LIGHT AUXILIARY POWER UNIT 34 3 419 61A GND⁶¹ 487 65 65 420⁴²¹ 420A 493 A B C D 419 61A⁶¹ 61 61A 419 26 4W103 4W127 4W101 BULKHEAD 4A168 4W700 4W700 400 4W106 4W100 4W700 4W101 T T1 27A 26B 48 B T T1 27A 26B B D F A C E G H 589 589 4W127 4W100 2W601 P3 J1 4W110 P1 P P6 P4 P P1 4W725 P S 4A701 SWITCH ASSY 4A128 2 3 5 6 1 4 2A170 2A620 S 4A111 4W155 S P1 4A187 T1 J6 6 S J5 6 J1 6 P3 J2 6 S 4W155 P1 400/459B PS SP SP PS 15 15 15 CONTROL BOX 4W123---3 LEAD ASSY PRESSURE SWITCH 2A622 CONTACTS CLOSES AT 750 PSIG (OLD CONFIGURATION) CONTACTS CLOSES AT 1100 PSIG (NEW CONFIGURATION WITH BRAKE MODULATION) CONTACTS OPENS AT 950 PSIG (OLD CONFIGURATION) CONTACTS OPENS AT 1300 PSIG (NEW CONFIGURATION WITH BRAKE MODULATION) LOW BRAKE PRESSURE WARNING SWITCH---2A621 NORMALLY CLOSED CONTACTS OPENS AT: 475+/---25 PSIG (OLD CONFIGURATION) 550+/---25 PSIG (NEW CONFIGURATION WITH BRAKE MODULATION) 10 4W123---1 LEAD 4W123---2 LEAD PRESSURE SWITCH 2A622 LOW BRAKE PRESSURE WARNING SWITCH 2A621