C.E. Niehoff & Co. N1235-1 Instructions

C. E. Niehoff & Co

.

BRUSHLESS ALTERNATORS

N1235-1 Alternator

B+ Terminal Stud

Replacement Instructions

DANGER

WARNING

CAUTION

1. Turn off engine.

2. Disconnect battery master switch.

CAUTION

3. Remove B+ hardware from alternator.

4. Using 3/16" allen wrench or double nuts, remove
B+ stud from housing. When B+stud is difficult
to remove, use MAP gas torch and heat B+ stud
at the midpoint for no more than 15 seconds to
aid in removal.

DANGER

This symbol is used to indicate the
presence of hazards that will cause
severe personal injury, death or
equipment damage.

This symbol is used to indicate
presence of hazards that can cause
major equipment damage.

This symbol is used to indicate the
presence of hazards that can cause
minor personal injury or equipment
damage.

Disconnect battery switch to
reduce personal injury or
equipment damage.

Do not apply heat for more than
20 seconds. Severe damage to
components and equipment will
result. Use precaution when
applying heat to avoid personal
injury.

B+ stud

6. Apply Loctite®* 222 to lower threads of B+
stud. Using double nuts, install new B+ stud
to bottom out in hole.

5. Install B+hardware in stacking order shown in
Figure 1.

DANGER

CAUTION

6. Start engine. Check for alternator output.



Failure to follow stacking order
will result in substantial
equipment damage.

More than two cable lugs on
B+ output terminal are not
recommended. To properly
engage brass terminal, B+ bolt
threads must be exposed a
min. 1/2" and max. 3/4" after
stacking order. Replace with
stainless steel bolt of suitable
length if necessary.

Nut, .3750-16;

torque to 21 Nm / 15 lb.ft.

DANGER

Do not exceed recommended
torque. Component damage
will result.

Disk spring



washer



Flat washer

Vehicle “B+” cable lug

WARNING

The vehicle B+ cable lug must fit
over the shoulder insulator without
damaging it. Failure to properly
seat the terminal and other hardware
can result in major damage to
components and other equipment.

C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline [phone]

Shoulder insulator





Figure 1 – B+ Terminal Stacking Order

* Loctite is a registered trademark of Loctite Corporation.



Insulator washer





Fuselink

II0036BPage 1 of 1