C.E. Niehoff & Co. C524, C524-1, C524-3, C524-4, A2-334 Installation

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C524 and C524-1, -3, -4
Alternators
Installation Instructions
Install alternator as shown in Figure 1:
1. Units are shipped with shaft collar, disc spring washer and nut. Remove and discard shaft collar. Install pulley and furnished disc spring washer. Torque locknut to 135 Nm/ 100 lb. ft.
3. All cabling, wiring or conduit must be supported within 305 mm/12 in. of termination on alternator.
Regulator IGN terminal;
torque to 4.5 Nm/40 lb. in.
4. Choose wire gauge for B+ and B– cables capable of handling maximum alternator output with minimum voltage drop.
5. C524; Install regulator as specified by customer.
C524-1/C524-3: A2-334 regulator was shipped as
factory-installed on original alternator. If alternator was replaced, re-install regulator on alternator and torque mounting screws to 8.5 Nm/75 lb. in.
C524-4: Install A2-335 regulator as specified by
customer.
Regulator P terminal;
torque to 4.5 Nm/40 lb. in.
B+ terminal
M10x1.5 Bolt –
torque to 15 Nm/11 lb. ft.
B– terminal
M8x1.25 Bolt –
torque to 10.8 Nm/8 lb. ft.
M20x1.5 Nut
torque to 135 Nm/100 lb. ft.
Disc spring washer
Figure 1—C524 Alternator w/A2-334 Regulator (shown) Installation Details
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
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II0126B
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