C9 Marine Engines and C9 Marine Generator Sets Caterpillar


Alternator and Regulator

Usage:

C9 C9A



Illustration 1g01093224



Illustration 2g01380910

Voltage ... 12V

Amperage ... 110 Amp

Polarity ... Insulated negative ground

Rotation ... Either direction

Minimum full load current at 5000 rpm ... 112 Amp

Minimum full load current at 2000 rpm ... 63 Amp

Turn on speed ... 2000 rpm

Output voltage ... 28 ± 1V

(1) Final installation torque for flange nut ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Final installation torque for (B+) terminal ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

Note: Use a 7/16 ring terminal.

(3) (R) terminal

Note: The peak voltage for (R) terminal must not be less than the output voltage for (B+) terminal.

(4) Final installation torque for (D+) terminal ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

Caterpillar Information System:

C9 Marine Engines and C9 Marine Generator Sets Alternator and Regulator
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