C.E. Niehoff & Co. C616 Alternator/A8-205 Rectifier/A2-136 Regulator Installation User Manual
C. e. niehoff & co
II0099A
Page 1 of 2
C616 Alternator
with Regulator
and External Rectifier
Installation Instructions
C. E. Niehoff & Co.
BRUSHLESS ALTERNATORS
This symbol is used to indicate
presence of hazards that can cause
minor property damage.
CAUTION
Slip bushing in lower rear
mounting lug must be securely
tightened against mounting
bracket on engine. Failure
to do so can result in
broken mounting lugs
or broken upper
mounting bracket.
CAUTION
C616 Alternator
1. Mounting lug width on alternator complies with
SAE J180 (May 1987) standards.
2. Units are shipped with shaft collar, hardened
washer and locknut. Remove and discard shaft
collar. Install pulley and furnished hardened
washer. Torque locknut to 163 Nm/ 120 lb. ft.
3. Use hardened washers between aluminum
surfaces and bolt heads and nuts. Torque
mounting bolts to 88 Nm/65 lb. ft.
A8-205 External Rectifier and A4-501 Bracket
1. Mounting location of rectifier and bracket
should provide proper cooling and protect
rectifier from direct water, road debris, or
chemicals.
2. Using the standard A9-463 wiring harness,
rectifier can be mounted up to 6 feet away
from alternator.
3. Use hardened washers between aluminum
surfaces and bolt heads and nuts. Bracket
mounting bolts must have minimum .50 in.
thread engagement. See Figure 2 for torque
values.
4. Use a suitable adhesive such as Loctite
®
222
or equivalent on screws. Follow manufacturer’s
instructions.
Figure 1 - C616 Alternator Installation
12mm/0.50
Locknut –
torque to
88 Nm/65 lb. ft.
T
T
T
T
T
Hardened
washer
Slip bushing must be tightened against bracket —
see “CAUTION” at left
12mm/0.50 in.
Mounting bolt
(full length)
TTTTT
Hardened
washer
TTTTT
Bracket
on engine
Alternator mounting
bracket on engine
T
T
T
T
T
0.625-18 Locknut and hardened washer—
torque to 163 Nm/120 lb.ft.
T T T T T
T T T T T
12mm/0.50 in. Mounting bolt
Hardened washers
T T T T T
TTTTT
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
Figure 2 - Rectifier and Bracket Installation
Locknut
(4 places) –
torque to
54 Nm/40 lb.ft.
T
T
T
T
T
T T T T T
Lockwasher
T
T
T
T
T
Flat washer
T
T
T
T
T
T
T
T
T
T
11mm/0.44 in.
Mounting bolt -
grade 5 or better
.3750-16 UNC-2B Mounting bolt
grade 5 or better–
torque to 27 Nm/20 lb.ft.
TTTTT
Lockwasher
T
T
T
T
T
Flat
washer
T
T
T
T
T
12mm/0.50 Locknut –
torque to 88 Nm/65 lb. ft.