C27 and C32 Tier 4 Engines Caterpillar

Illustration 1	g02096014

Voltage ... 24 V

Amperage ... 65 Amp

Note: Load the battery with a carbon pile 4C-4911 Battery Load Tester in order to get the maximum alternator output.

Polarity ... Negative ground

Rotation ... Clockwise

Minimum full load current at 5000 rpm ... 65 Amp

Minimum full load current at 1500 rpm ... 30 Amp

Output voltage ... 28 ± 1 V

Note: Tighten the bolt (1) before tightening the mounting bolt.

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

Note: Use a 7/16 ring terminal for (B+) terminal.

(2) (B-) terminal. Final installation torque for the screw ... 4.4 ± 1 N·m (3.24526 ± 0.73756 lb ft)

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

(3) (B+) terminal. Final installation torque for the nut ... 18.2 ± 2.4 N·m (13.4 ± 1.7 lb ft)

(6) Voltage regulator assembly

Voltage setting ... No adjustment

Permissible voltage range ... 27 to 29 V