C.E. Niehoff & Co. N1385-2 Installation
N1385-2 Alternator
w/ Remote-Mounted Regulator
Installation Instructions
This symbol is used to indicate
CAUTION
presence of hazards that can cause
minor property damage.
Install alternator as shown in Figure 1:
Slip bushing located in rear mounting
CAUTION
foot must be securely tightened against
alternator mounting bracket on engine.
Failure to do so can result in broken
mounting feet or broken upper mounting
bracket.
1. Units are shipped with coupling and spacer torqued
in position to 163 Nm/120 lb. ft.
2. Use hardened washers between aluminum surfaces
and bolt heads and nuts. Torque mounting bolts as
shown in Figure 1.
Spacer
3. All cabling, wiring or conduit must be supported
within 300 mm/12 in. of termination on alternator.
4. Choose wire gauge for B+ and B– cables capable of
handling maximum alternator output with minimum
voltage drop.
5. Install regulator in location as specified by customer.
Alternator B+ terminal
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Washer
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Lock washer
1/2-13 UNC 2A Bolt –
torque to 32 Nm/23.5 lb. ft.
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Customer B+ output
cable terminal
B+ terminal (see inset above)
Regulator harness connection
Coupling
12mm/0.50 in.
mounting bolt,
torque to
95 Nm/70 lb. ft.
(2 places)
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10 mm/3/8” Mounting bolt,
grade 5 or higher,
torque to 38 Nm/29 lb. ft.
(2 places)
Vehicle harness
connection
B– terminal (either side)
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Slip bushing must be tightened against
bracket — see “CAUTION” above
10 mm x 1.5 Bolt –
torque to 9 Nm/82 lb. in.
Figure 1 — N1385-2 Alternator Installation Details
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C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
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