WABCO F50-1 Service Manual Download | Manualshive

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Summary of Contents for F50-1

Page 1: ...021 2 NABCC An American Standard Company SERVICE MANUAL 4588 A FSO l INVERTER FOLLOWER INPUT STAGE UN451033 1601 83 3 Hz UN451033 1602 100Hz UNION SWITCH SIGNAL DIVISION WESTINGHOUSE AIR BRAKE COMPANY...

Page 2: ...ENANCE 5 3 TEST PROCEDURE VI PARTS LIST LIST OF ILLUSTRATIONS Figure 1 Test Set UP for the F50 l 2 Schematic Diagram of the F50 l Inverter Follower Input 3 Inverter Follower Wiring Diagram 4 Unit Asse...

Page 3: ...TION NOTE The input and output AC voltages are essentially square wave signals which should be measured with either a cal ibrated oscilloscope or a true RMS root mean square voltmeter 2 1 SPECIFICATIO...

Page 4: ...at 35 0A Location Pilot across terminals lP and 2P Base Drive outputs 4 isolated outputs PLl 1 2 3 4 PL2 1 2 3 4 Across terminals lOA and lOA battery power through terminals 10 and 10 c Temperature R...

Page 5: ...nals Pl and P2 3 The FS0 2 Inverter Follower can be driven from cable PLl or PL2 SECTION V MAINTENANCE NOTE The following test equipment or equivalent is recommended for field and shop maintenance and...

Page 6: ...2 THROUGH 6 1 Apply the proper input and connect the unit as specified in Section II 2 Check Fuse Fl If the fuse is opened refer to Section VI Parts List for exact replacement If the fuse is blown cau...

Page 7: ...t stage to transistors 03 and 04 which makeup the output stage Both amplifiers operate as switching amplifiers The output is coupled through transformer T3 which provides outputs for driving one or tw...

Page 8: ...3 3Hz and a variable transformer General Radio Varic WSMT3 or equivalent should be used to supply the 83 3 Hz square wave power required for testing If the unit 1602 100 Hz is to be tested substitute...

Page 9: ...LOWER I u o4X IO 10 IO 10 I 2P I L_ 1 1 laf11 I UNIT BEING TESTED I IX F 50 1 t I J I 1 I 2X See Not I I lo _ o I J Variable Transformer General Radio Variac W5MT3 or equivalent Figure 1 Test Set Up F...

Page 10: ...re wave are not symmetrical the diode bridge 01 is faulty and should be replaced If the magnitude is not between 5 8 and 7 1 volts the Zener diode 02 should be replaced f With power applied as per Ste...

Page 11: ...t 1602 The voltage between IX and pin 4 of PL2 should be between 40 and 48 VAC at 10 VDC input I NOTE All units MUST be identical in regard to instantaiieous polarity g Check waveform across the prima...

Page 12: ...onnect 40 ohm 25 watt resistor to lP and 2P Connect 600 ohm 1 watt resistor to PLl terminal 1 and PL2 terminal 4 IDC 1 58 a ps approximately 1P 2P 21 9 V app_roximately PLl 1 and PL2 4 1 4 7V approxim...

Page 13: ...J723293 N451039 0105 N451039 0209 N451039 0312 N451039 0305 J073888 Capacitor 01 mfd 5 lOOV Capacitor 022 mfd 10 lOOV Capacitor 10 000 mfd 10 75 lOOV Capacitor 1 mfd 10 lOOV Diode MDA 801 Diode Zener...

Page 14: ...t I I I h f 11 l L TRANSFORMER CHARACTERISTICS Tl Winding Turns Ohms 1P 2P 795 22 5 1s 2s 30d 27 2S 3S 30d 27 T2 Winding Turns Ohms 1P 2P 224 1 73 3P 4P 224 1 73 1S 2S 63 0 25 3S 4S 63 0 25 T3 Windin...

Page 15: ...787 4 8244 975 149 12 Ft Cot o e Coo tJ l ffOl7 6 Ft E X CoLoA C4 o o UA45525 it 10 FU X Gl t EE i UA 4 S4 I 18 FLE COLOR CODED UA4SS07 llf 2 COHll Ot Jf IJT LE ADS lie POINT TO POINT 3 UM434003 I UJ...

Page 16: ...4 J073888 J052245 J47996 J710092 J052604 J048166 M451034 8101 M386490 J052602 M340731 J04 7818 M340761 N4 33246 J075510 0l4 3 J075510 0l66 J075510 0l50 J075510 0l77 J075510 1134 J075510 1133 J075510 0...

Page 17: ...W A 18 BK 9 LONG LIGHT COAT OF SILICiON GREA SE AT ll JTERFACE OF G 3 Q4 SINK Rr I 2 2 8 2 2 1 4 Figure 6 Heatsink Part Location and Parts List IT M PART NUMBER DWG SH NO I U 11 451034 8201 B45I034 81...

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