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1. Mounting Bolt - 1/2 UNC; 45 ft.lbs. (61 N.m) torque
2. Mounting Bolt - 12/50 Dia; 65 ft.lbs. (88 N.m) torque
3. Ground Bolt, 3/8 - 16; 11 ft.lbs. (15 N.m) torque
Either Side; R.H. side shown
4. Locknut (5/16 - 18 UNF-2B) & Washer (to secure Pulley) 9. F+ Stud (NOTE: F+ Stud Not On All Models)
Pulley Nut
Heat Sink, Cover Plate, Control Box Hold Down & Relay Terminal Screw
Phase Terminal Screw
Ground Bolt
Front & Rear Housing Hold Down Nut
Tension Adjust Bolt
Rotor Hold Down Screws
Output Lead Bolt
Output Nut
Energize Terminal Nut
Regulator Hold Down Screw
(for taptite screws)
Fan Nut
Field Coil Screw
M13-2
ALTERNATOR DIMENSIONS
FASTENER DESCRIPTION
Niehoff Alternator Overhaul Manual
5. Voltage Regulator
6. Fan Nut; 50 ft.lbs. (68 N.m) torque
7. Slip Bushing
8. Allowable Mounting Bracket Dimensional Span
TORQUE SPECIFICATIONS
SAE
120 ft. lbs
20 in. lbs.
20 in. lbs.
11 ft. lbs.
18 in. lbs.
18 ft. lbs.
45 ft. lbs.
11 ft. lbs.
20 – 22 ft. lbs. 27.1 – 29.8 Nm
60 – 70 in. lbs.
32 in. lbs.
45 in. lbs.
50 ft. lbs.
8 – 10 in. lbs.
METRIC
162.7 Nm
2.3 Nm
2.3 Nm
15 Nm
2.0 Nm
24.4 Nm
61.0 Nm
15 Nm
6.8 – 7.9 Nm
3.6 Nm
5 Nm
67.8 Nm
.9 – 1.1 Nm
M13003 04/01
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Troubleshooting
