C.E. Niehoff & Co. N7434 Instructions
C. E. Niehoff & Co
.
BRUSHLESS ALTERNATORS
N1225-1 Alternator/
N7434 DE Housing
Installation Instructions
If your drive end housing has B+ and B–
studs and nuts, torque as follows in
Figures 1a and 1b:
+28 V Positive Terminal
on alternator
Washer
➛
➛
Vehicle “B+” lead
Figure 1a – Positive Terminal Connections
Ground Terminal
on alternator
➛
➛
Terminal on
Washer
➛
➛
Lockwasher
Lockwasher
Nut, 3/8-16;
➛
torque to
20.33 Nm / 15 lb.ft.
If your drive end housing has molded B+
terminal/bolt and B– terminal/bolt, torque
as follows in Figures 2a and 2b:
+28 V B+ Bolt
on alternator
.3750-16 UNC-2B;
➛
Lock Washer
torque to
15 Nm / 11 lb.ft.
➛
Washer
Figure 2a – Positive Terminal Connections
Ground Bolt
on alternator
.3125-18 UNC-2A;
torque to 9 Nm / 80 lb.in.
➛
➛
➛
➛
➛
Terminal on
Vehicle “B+” lead
Lock Washer
Washer
➛
Terminal on
vehicle ground lead
Figure 1b – Ground Terminal Connections
➛
Nut, 5/16-18 UNC-2A;
torque to 13.55 Nm / 10 lb. ft.
Terminal on
vehicle ground lead
Figure 2b – Ground Terminal Connections
➛
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
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