C.E. Niehoff & Co. C510 Alternator Installation - Manual

II0039A Page 1 of 2
C510 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
C510 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.
External Rectifier and Bracket
1. Mounting location of rectifier and bracket
should provide proper cooling and protect
rectifier from direct water, road debris, or
chemicals.
Rectifier can be mounted up to 12 feet away
from alternator. Harnesses are available in
3, 4, 6, 8, or 12 ft. lengths. Harnesses cannot
be strung together to create different lengths.
2. 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.
3. Use a suitable adhesive such as Loctite ®1 222
or equivalent on screws. Follow manufacturer’s
instructions.
Figure 1 - C510 Alternator Installation
12mm/0.50
Locknut –
torque to
88 Nm/65 lb. ft.
Hardened
washer
Slip bushing must be tightened against bracket —
see “CAUTION” at left
12mm/0.50 in.
Mounting bolt
(full length)
Hardened
washer
Bracket
on engine
Alternator mounting
bracket on engine
0.625-18 Locknut and hardened washer—
torque to 163 Nm/120 lb.ft.
12mm/0.50 in. Mounting bolt
Hardened washers
12mm/0.50 Locknut –
torque to 88 Nm/65 lb. ft.
Figure 2 - Rectifier and Bracket Installation
Locknut
(4 places) –
torque to
54 Nm/40 lb.ft.
Lockwasher
Flat washer
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.
Lockwasher
Flat
washer