C.E. Niehoff & Co. N1307, N1307-1 Installation
N1307-1 Alternator w/ N3109 Regulator
—or—
N1307 Alternator
w/ Remote-Mounted Regulator
Installation Instructions
CAUTION
Install alternator as shown in Figure 1:
CAUTION
1. Units are shipped with shaft collar, washer, and
locknut. Remove shaft collar. Install pulley specified by customer, washer, and locknut. Torque
locknut 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.
3. All cabling, wiring or conduit must be supported
within 305 mm/12 in. of termination on alternator.
3/8” Mounting bolt,
grade 5 or higher
3/4-16 UNF 3B Locknut
and hardened washer—
torque to 163 Nm/120 lb.ft.
This symbol is used to indicate
presence of hazards that can cause
minor property damage.
Slip bushing located in rear mounting
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.
Hardened washers
TT
T
TT
TT
T
TT
T
TT
TT
TT
TT
T
3/8” Locknut –
torque to 38 Nm/29 lb. ft.
TT
T
TT
4. Choose wire gauge for B+ and B– cables capable of
handling maximum alternator output with minimum
voltage drop.
5. N1307-1: N3109 regulator was shipped as factoryinstalled on original alternator. If alternator was
replaced, re-install regulator on alternator and
torque mounting hardware to 3.4 Nm/30 lb. in.
N1307 with remote-mounted regulator: Install
regulator as specified by customer.
Alternator B+ terminal
TT
T
TT
Vehicle harness
Washer
TT
T
TT
TT
TT
T
T
TT
TT
T
TT
TT
B+ terminal (see inset above)
connection
1/2-13 UNC 2A Bolt –
torque to 32 Nm/23.5 lb. ft.
Lock washer
Customer B+ output
cable terminal
TT
T
TT
TT
T
TT
TT
T
12mm/0.50 in.
mounting bolt
(full length)
Hardened
washer
T
TT
TT
TT
TT
T
TT
T
TT
Alternator mounting
bracket on engine
Bracket
on engine
B– terminal (either side)
5/16-18 UNC 2A Bolt –
torque to 9 Nm/82 lb. in.
T
TT
TT
TT
T
TT
TT
T
TT
Slip bushing must be tightened against
bracket — see “CAUTION” above
12mm/0.50 Locknut –
torque to
95 Nm/70 lb. ft.
Hardened washer
TT
Figure 1 - N1307/N1307-1 Alternator Inst allation Details
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
II0100APage 1 of 1
Loading...