Ce-niehoff-co C820: A9-454 Resistor /Wire Assembly Instructions User Manual download pdf

II0007APage 1 of 1

A9-454 Resistor / Wire Assembly

Replacement Instructions

C. E. Niehoff & Co.

BRUSHLESS ALTERNATORS

for C820 Alternators Drive-end Housing

Figure 1 - A9-454

Resistor/Wire

Assembly

Replacement

Left Side

Right Side

Shown below -

inside drive end housing with top cover removed.

Resistor/wire

assembly

(4 wire

connections)

Resistor/wire

assembly

(4 wire

connections)

To replace LEFT

or RIGHT side

resistor/wire

assembly:

1. Separate SCR control

connection.

2. Disconnect wiring

at soldered terminals.

3. Remove existing resistor

assembly. Clean out old

epoxy per epoxy manufacturer’s

instructions.

4 Secure new resistor assembly in place

of old assembly using 2-part epoxy as

recommended by epoxy manufacturer.

5. Right side connection only - trim excess wire

lengths as needed.

6. Solder 3 new connections to 3 SCR termi-

nals shown (on left or right side).

7. Slide new sleeve on one SCR control connec-

tion wire. Insert ends of 3 wires into splice

connector. Crimp splice and fill with solder.

Slide sleeve over splice. Secure wires with

cable tie to complete connection.

Kit also includes splice

connector and sleeve for

new SCR control connection

(see step 7 and Figure 1a)

C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633

Figure 1a - Detail of SCR Control Connection

Kit includes one resistor/wire assembly to replace only one side.

To replace both sides, two kits must be ordered and installed.

Lead from

left side

assembly

Sleeve

from kit

Splice

connector

from kit

Red “B” Lead

from

regulator

harness

Lead from

right side

assembly

Cable tie

C. E. Niehoff & Co 1

Summary of Contents

Page 1 - C. E. Niehoff & Co

II0007APage 1 of 1A9-454 Resistor / Wire AssemblyReplacement InstructionsC. E. Niehoff & Co.BRUSHLESS ALTERNATORSfor C820 Alternators Drive-end H

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Ce-niehoff-co C820: A9-454 Resistor /Wire Assembly Instructions User Manual

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