C.E. Niehoff & Co. N1126-2 Installation
C. E. Niehoff & Co
.
BRUSHLESS ALTERNATORS
N1126-2 Alternator/N3204 Regulator
OEM Wiring Connections
Installation Instructions
CAUTION
Install N1126-2 alternator as shown in Figure 1:
CAUTION
0.625 - 18 Locknut
torque to 136 Nm/100 lb.ft.
Hardened washer
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.
12mm/0.50 in. Mounting bolt
Hardened washers
12mm/0.50 Locknut –
torque to 80 Nm/60 lb. ft.
TT
T
TT
TT
T
TT
TT
T
TT
T
TT
TT
1. Units are shipped with shaft collar, hardened
washer and locknut. Remove and discard shaft
collar. Install pulley and furnished hardened
washer. Torque locknut to 136 Nm/ 100 lb. ft.
2. Use hardened washers between aluminum surfaces and bolt heads and nuts. Torque mounting
bolts to 80 Nm/60 lb. ft.
3. All cabling, wiring or conduit must be supported
within 305 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.
B+ terminal
0.3125-18 locknut –
torque to 9 Nm/80 lb. in.
Regulator ENERGIZE terminal;
torque to 3.4 Nm/30 lb. in.
Customer cable
w/terminal boot
TT
T
TT
TT
T
TT
TT
T
TT
Customer cable
w/terminal boot
TT
T
TT
TT
T
TT
TT
T
TT
TT
T
TT
B– terminal
12mm/0.50 in.
mounting bolt
(full length)
Hardened
washer
Alternator
mounting
bracket
on engine
TT
TT
T
T
TT
TT
T
TT
TT
Bracket
on engine
0.25-20 locknut –
torque to 9 Nm/80 lb. in.
T
TT
TT
TT
T
TT
T
TT
TT
Slip bushing must be tightened against
bracket — see “CAUTION” above
12mm/0.50 Locknut –
torque to
80 Nm/60 lb. ft.
Hardened washer
Figure 1 - N1126-2 Alternator Installation Details
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
II0061APage 1 of 1
Loading...