Alternator - Delco 21SI Caterpillar


Insulated Screw - Check

Usage:

980C 13B



Illustration 1g00721154

Inside view of rear frame

(1) Insulated screws

(2) Capacitor

(3) Regulator

The regulator (3) is fastened to the rear frame with three screws. The capacitor (2) is fastened with two screws. Two of the screws (1) on the regulator have insulators, and one of the screws (1) on the capacitor has an insulator. Carefully inspect the three insulated screws (1). Damaged insulators or missing insulators can cause damage to the internal components of the alternator.

Caterpillar Information System:

EMCPII+ for Gas Engines GSC CID 0175 - FMI 02
C-10, C-12, 3406E, C-15, C-16 and C-18 Engines - Electronic PTO Installation and Application PTO Configurations - Test
3500B and 3500B High Displacement Generator Set Engines Configuration Parameters
3306C Truck Engine Increased Engine Oil Temperature - Inspect
C7 Engines for Caterpillar Built Machines Excessive Bearing Wear - Inspect
3306C Truck Engine Excessive Engine Oil Consumption - Inspect
3500B Engines for Caterpillar Built Power Modules Shutdown Notification Output
3306C Truck Engine Water Temperature Regulator - Test
EMCPII+ for Gas Engines GSC CID 0110 - FMI 04
G3516B Engines PWM Sensor
3306C Truck Engine Cooling System - Test
3306C Truck Engine Cooling System - Inspect
2000/07/01 Correction to The Pocket Guide, SEBD0402 Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
Electronic Modular Control Panel II+ (EMCP II+) GSC CID 0447 - FMI 12 (for EUI Engines)
JF Series Starting Motor Starting Motor - Assemble
G3516B Engines Oxygen Sensor - Calibrate
Alternator - Delco 21SI Rectifier - Test
2000/10/23 Correction to The Pocket Guide, SEBD0402, Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
EMCPII+ for Gas Engines GSC CID 0334 - FMI 03
2000/07/01 Identify OEM Selling Dealer On-line {1000}
EMCPII+ for Gas Engines GSC CID 0175 - FMI 03
3126 Truck Engine (Military) Welding on Engines with Electronic Controls
3608 Engine Air Starting Motor Silencer - Remove and Install
3306C Truck Engine Slave Piston Lash - Adjust
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.