C.E. Niehoff & Co. C321 Alternator Installation - Manual

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C321 Alternator
Installation Instructions
C. E. Niehoff & Co.
BRUSHLESS ALTERNATORS
This symbol is used to indicate
presence of hazards that can cause
minor property damage.
CAUTION
Install C321 alternator as shown in Figure 1:
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.
Figure 1 - C321 Alternator Installation Details
CAUTION
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 88 Nm/65 lb. ft.
3. All cabling, wiring or conduit must be sup-
ported 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.
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
B+ terminal
0.3125-18 locknut –
torque to
9 Nm/80 lb. in.
G
B– terminal
0.25-20 locknut –
torque to 9 Nm/80 lb. in.
G
12mm/0.50 Locknut –
torque to
88 Nm/65 lb. ft.
G
Hardened washer
G
Slip bushing must be tightened against
bracket — see “CAUTION” above
G
0.625 - 18 Locknut
torque to 136 Nm/100 lb.ft.
G
G
Hardened washer
12mm/0.50 in.
mounting bolt
(full length)
G
Hardened
washer
G
Bracket
on engine
Alternator
mounting
bracket
on engine
G
G
12mm/0.50 in. Mounting bolt
Hardened washers
G
12mm/0.50 Locknut –
torque to 88 Nm/65 lb. ft. G
G