C.E. Niehoff & Co. C820: A9-454 Resistor /Wire Assembly Instructions - Manual

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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.
Û
Resistor/wire
assembly
(4 wire
connections)
Û
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.
Û
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.
Û
Lead from
left side
assembly
Sleeve
from kit
Û
Splice
connector
from kit
Ы
Ы
Red “B” Lead
from
regulator
harness
Û
Lead from
right side
assembly
Û
Cable tie