C.E. Niehoff & Co. N3109, N3014 Installation
C. E. Niehoff & Co
.
BRUSHLESS ALTERNATORS
N3104 and N3109 Regulators
Installation Instructions
The following term is used to bring attention to the presence of hazards of various risk levels or to important information
concerning product life.
DANGER
Indicates the presence of hazards that will cause severe personal injury, death, or substantial
property damage if ignored.
DANGER
1. Place new bracket, spacer, and regulator on top
of control unit as shown in Figure 1 or 2.
2. Use a suitable adhesive, such as Loctite
new hardware. Follow manufacturer’s instructions. Loosely install (see Figure 1 or 2):
a. one long (Note: medium for Figure 2) screw
and washer in regulator mounting hole
above spacer.
Short screw -
step 2c
Do not allow hardware to drop
inside alternator. Loose hardware inside alternator cavity or
stator windings or field coil
will cause substantial
equipment damage.
®
222 on
Long screw -
TT
TT
T
TT
TT
T
T
TT
TT
T
TT
TT
Short screw -
Figure 1—N1380-1/N1380-2 Alternator with New N3104 or N3109 Regulator
step 2a
Short
screw
Bracket*
(CEN
part no.
N9450)
Long screw -
step 2b
step 2d
b. remaining long screw and washer in front
regulator mounting hole above bracket.
c. one short screw and washer in rear regula-
tor mounting hole above bracket.
d. remaining short screw and washer in
bracket. (Note: two screws and washers are
required in Figure 2.)
3. Torque screws in a-b-c-d order listed in step 2
to 2-2.25 Nm/18-20 lb. in.
4. Plug harnesses into regulator receptacle in
housing and connect cabling.
Test unit on bench to verify proper operation
after assembling.
Long screw
(CEN Part no. N9447)
TT
TT
T
Spacer*
TT
TT
T
TT
TT
T
TT
TT
T
Medium screw -
Short screw -
step 2c
TT
TT
T
step 2a note
TT
TT
T
T
TT
TT
Short
screw
Bracket*
(CEN
part no.
N9573)
T
TT
TT
Long screw -step 2b
Short screw -step 2d note
TT
TT
T
TT
TT
T
TT
TT
T
TT
TT
T
Medium
screw
Spacer*
(CEN Part
no.
N9447)
Figure 2—N1382-1/N1382-4 Alternator with New N3104 or N3109 Regulator
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
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