LC5000, LC6100, and LC7000 Electric Power Generation Caterpillar


Resistor - Test

Usage:

C18 AN2



Illustration 1g02352821

PMPE Generator Wiring Diagram

(CR1-C6) Diodes

(CR7) Varistor

(L1) Exciter stator

(L2) Exciter rotor

(L3) Main rotor

(L4) Main stator

(L5) PMG stator

(PM) Permanent magnet

(R5) Resistor

(RFA) Rotating field assembly

(CT1) Optional voltage droop transformer

(T0, T1, T2, T3, T7, T8, T9) Generator terminals

Table 1
TOOLS NEEDED    
Quantity     Part Number     Tool    
1     237-5130     Digital Multimeter    

Resistor (R5) is used on generators that have three diode rectifier blocks.

The "Resistor Test" consists of the following steps:

  1. Disconnect one lead of resistor (R5) from the positive terminal of varistor (CR7) .

  1. Connect one test lead of the multimeter to each lead of the resistor.

  1. Resistor (R5) should measure 27000 ohms (± 2700 ohms).

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