C.E. Niehoff & Co. N3135 Regulator Installation - Manual

II0028D Page 1 of 2
N3135 Regulator
Single and Dual Voltage
Applications
Installation Instructions
C. E. Niehoff & Co.
BRUSHLESS ALTERNATORS
This symbol is used to indicate presence of hazards that can cause minor property damage. CAUTION
This cap w/attached chain
provided in envelope assembly
must be assembled as shown
on regulator, except as noted
above. Failure to do
so can lead to equipment
damage.
T T T T T
CAUTION
Vehicle
harness ➛
Regulator – “AC” Terminal
➛
Locknut, #10-24;
torque to 2.3 Nm / 20 lb.in.
Washer
➛
➛
➛
568
2A
➛
➛
Nut, 1/4-20; torque to
2.8 Nm / 25 lb.in.
Washer
Regulator – “IGN” Terminal
Boots (p/n N9464,
supplied in
envelope assembly)
➛
➛
+14 V terminal -
not used on
single volt
applications.
Alternator-to-regulator
harness receptacle
When the N1225-1 and the N1505-1 alternators are used in single voltage applications, the alterna-
tor phase cable MUST be attached to the N3135 regulator instead of the factory-attached cap shown
in Figure 1.
N3135 Regulator in Single Voltage (28 V) Applications
N3135
Regulator
1 place - torque to 10.2 Nm / 90 lb.in.
(make sure all hardware has been
installed, including spacers, if required)
➛
➛
2 places - torque to
3.4 Nm / 30 lb.in.
(make sure all hardware
has been installed)
➛
➛
14 V output will not be present if installed on a single voltage application. CAUTION
FIGURE 1