9X1272 DRIVE AS-STARTING MOTOR Caterpillar parts
205B, 3114, 3116, 3126, 3126B, 446B, 918F, 924F, 933, 933C, 939, 939C, AP-1000, AP-1050, C7, CB-434, D3C III, D3G, D4C III, D4G, D5C III, D5G, E110B, E120B, IT12B, IT24F, RT100
Rating:
Alternative (cross code) number:
CA9X1272
9X-1272
9X1272
CA9X1272
9X-1272
9X1272
Weight: 3 pounds 1 kg.
ASPHALT PAVER, WHEEL LOADER,
Compatible equipment models: 9X1272:
Information:
Illustration 1 g01425634
The Cat Digital Voltage Regulator presents an electrical shock/electrocution hazard. This hazard will cause serious injury or death.Service by trained personnel only.The terminals and heat sinks are live at hazardous voltages when power is applied and for up to 8 minutes after power is removed.
Refer to Specifications, Systems Operation, Testing and Adjusting, RENR7941, "Earlier CDVR Dissimilarities " for part number information of the earlier version of the CDVR.
Verify that the voltage regulator is programmed for droop mode. If the voltage regulator is programmed for droop mode, go to step 2.
Verify that the voltage regulator droop setting is not adjusted to 0% droop. If the droop setting is adjusted to 0% droop, increase the setpoint above 0%. If the droop setting is adjusted to above 0%, go to step 3.
Check for an open in the circuit connected to voltage regulator terminals P12-1 and P12-2 and CT2. If there is an open circuit, repair as necessary. If there is not an open circuit, go to step 4.
Verify that all connections are correct according to Testing and Adjusting, "Wiring Diagrams". Verify that the "Curren Transformer" (CT) is not installed backwards, or on the wrong phase. Verify that the "Potential Transformer" (PT) phase rotation is correct. If connections and installations are correct, go to step 5.
Verify that the load that is being applied to the generator for droop testing is not a purely resistive load. If only a resistive load is being applied to the generator, apply an inductive load and retest. If the load being applied to the generator is inductive, go to step 6.
Verify that the current sensing transformer that is being used is compatible with the voltage regulator. A current sensing transformer with a 1-ampere output rating would produce little droop since the voltage regulator has a 5 A current transformer input. If the current transformer input is incorrect, replace the current sensing transformer for compatibility. If the current transformer input is correct, go to step 7.
Check the wiring to the switch input ("programmable input") if that input is configured for line loss compensation.
If all of the previous steps fail to correct the malfunction, replace the voltage regulator.
Cat SIS web machinery list:
Parts drive Caterpillar catalog:
4W5428
DRIVE GP-WATER PUMP
120H, 120H ES, 120H NA, 135H, 135H NA, 205B, 206B, 211B, 212B, 213B, 214B, 224B, 3114, 3116, 3126B, 3126E, 320 L, 320B, 322, 322 FM L, 322 LN, 322B, 322B L, 322B LN, 322C, 322C FM, 325, 325 L, 325 LN,...
120H, 120H ES, 120H NA, 135H, 135H NA, 205B, 206B, 211B, 212B, 213B, 214B, 224B, 3114, 3116, 3126B, 3126E, 320 L, 320B, 322, 322 FM L, 322 LN, 322B, 322B L, 322B LN, 322C, 322C FM, 325, 325 L, 325 LN,...
7E8794
DRIVE GP-GOV & TRANSFER PUMP
120H, 120H ES, 120H NA, 135H, 135H NA, 213B, 214B, 3114, 3116, 3126, 320 L, 320B, 322, 322 FM L, 322 LN, 322B, 322B L, 322B LN, 322C, 322C FM, 325, 325 L, 325B, 325B L, 35, 446, 446B, 446D, 45, 525B, ...
120H, 120H ES, 120H NA, 135H, 135H NA, 213B, 214B, 3114, 3116, 3126, 320 L, 320B, 322, 322 FM L, 322 LN, 322B, 322B L, 322B LN, 322C, 322C FM, 325, 325 L, 325B, 325B L, 35, 446, 446B, 446D, 45, 525B, ...
6N3827
DRIVE AS-MOTOR
1150, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1676, 215, 215B, 225, 227, 235, 235D, 30/30, 3116, 3126, 3126...
1150, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1676, 215, 215B, 225, 227, 235, 235D, 30/30, 3116, 3126, 3126...
6N3826
DRIVE AS-MOTOR
1090, 1190, 1190T, 120M, 120M 2, 1290T, 12M, 12M 2, 12M 3, 12M 3 AWD, 1390, 140H, 140M, 140M 2, 140M 3, 140M 3 AWD, 14H, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16G, 16H, 16H NA, 16M, 2290, 2390, 2391,...
1090, 1190, 1190T, 120M, 120M 2, 1290T, 12M, 12M 2, 12M 3, 12M 3 AWD, 1390, 140H, 140M, 140M 2, 140M 3, 140M 3 AWD, 14H, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16G, 16H, 16H NA, 16M, 2290, 2390, 2391,...
7X1953
DRIVE AS-MOTOR
214B, 224B, 3116, 3126, 3126B, 320 L, 320B, 322, 322B L, 322B LN, 322C, 322C FM, 324D, 324D LN, 325, 325B, 325B L, 325C, 325C FM, 325D, 325D L, 533, 539, 543, 613C II, 950F, 953C, 963B, 963C, AP-1000B...
214B, 224B, 3116, 3126, 3126B, 320 L, 320B, 322, 322B L, 322B LN, 322C, 322C FM, 324D, 324D LN, 325, 325B, 325B L, 325C, 325C FM, 325D, 325D L, 533, 539, 543, 613C II, 950F, 953C, 963B, 963C, AP-1000B...
3E7857
DRIVE AS-STARTING MOTOR
120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 135H, 135H NA, 140G, 140K, 140K 2, 160K, 214B, 3116, 3126, 3126B, 3126E, 320B, 322B L, 322B LN, 322C, 322C FM, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 32...
120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 135H, 135H NA, 140G, 140K, 140K 2, 160K, 214B, 3116, 3126, 3126B, 3126E, 320B, 322B L, 322B LN, 322C, 322C FM, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 32...
9X0294
DRIVE AS-STARTING MOTOR
214B, 224B, 3116, 3126, 613C II, 950F, 950F II, 960F, CB-634C, CP-563, IT28F, M318
214B, 224B, 3116, 3126, 613C II, 950F, 950F II, 960F, CB-634C, CP-563, IT28F, M318
8U5663
DRIVE GP-SWING
205B, 206B
205B, 206B
8C3591
DRIVE AS-CLUTCH
613C II, 918F, 950F, 950F II, 953B, IT12B, IT28F
613C II, 918F, 950F, 950F II, 953B, IT12B, IT28F
0870870
DRIVE
AP-1000, AP-1050, BG-225C
AP-1000, AP-1050, BG-225C
5E9846
DRIVE
AP-1000, AP-1050, BG-225C
AP-1000, AP-1050, BG-225C
1G8730
DRIVE
AP-1000, AP-200, AP-200B
AP-1000, AP-200, AP-200B
5Y0946
DRIVE GP-PUMP
3408B
3408B
8N2733
DRIVE GP-FAN
621R
621R
6C0012
DRIVE-CONTROL
446, 446B, 789, 789B, 789C, 793B, 793C, 793D, 793F OEM, 797, 920, 926, 950B, 950F, 950F II, 960F, 966F, 966F II, 970F, D25C, D300B, D30C, D350C, D35C, D35HP, D400, D44B, D550B, RT100, RT50, TH103, TH6...
446, 446B, 789, 789B, 789C, 793B, 793C, 793D, 793F OEM, 797, 920, 926, 950B, 950F, 950F II, 960F, 966F, 966F II, 970F, D25C, D300B, D30C, D350C, D35C, D35HP, D400, D44B, D550B, RT100, RT50, TH103, TH6...
7J6839
DRIVE-CONTROL END
120G, 120H, 12G, 12H, 12H NA, 130G, 140G, 140H, 140H NA, 14G, 14H, 14H NA, 160G, 16G, 16H, 16H NA, 24H, 416B, 416C, 416D, 420D, 424D, 426, 426B, 426C, 428, 428B, 428C, 428D, 430D, 432D, 436C, 438B, 43...
120G, 120H, 12G, 12H, 12H NA, 130G, 140G, 140H, 140H NA, 14G, 14H, 14H NA, 160G, 16G, 16H, 16H NA, 24H, 416B, 416C, 416D, 420D, 424D, 426, 426B, 426C, 428, 428B, 428C, 428D, 430D, 432D, 436C, 438B, 43...
2P4708
DRIVE AS-MOTOR
1140, 1150, 1673C, 1676, 215, 225, 3208, 3304, 3306, 637D, 814, 920, 950, 951B, 966D, 977K, D4D, D4E, D5, D6C, D7F, D7G, G3304
1140, 1150, 1673C, 1676, 215, 225, 3208, 3304, 3306, 637D, 814, 920, 950, 951B, 966D, 977K, D4D, D4E, D5, D6C, D7F, D7G, G3304
3E0143
DRIVE AS-STARTING MOTOR
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 3208, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B, 330B L, 35...
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 3208, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B, 330B L, 35...
6N3827
DRIVE AS-MOTOR
1150, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1676, 215, 215B, 225, 227, 235, 235D, 30/30, 3116, 3126, 3126...
1150, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1676, 215, 215B, 225, 227, 235, 235D, 30/30, 3116, 3126, 3126...
4N4517
DRIVE AS-MOTOR
120G, 12G, 130G, 140G, 14G, 160G, 1673C, 215, 215B, 235, 3208, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 350, 518C, 528B, 530B, 613, 613B, 615C, 627E, 637E, 815B, 916, 920, 930, 943, 951B, 966C, 966F, 9...
120G, 12G, 130G, 140G, 14G, 160G, 1673C, 215, 215B, 235, 3208, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 350, 518C, 528B, 530B, 613, 613B, 615C, 627E, 637E, 815B, 916, 920, 930, 943, 951B, 966C, 966F, 9...