3306B Industrial Engine Caterpillar

Illustration 1	g00278618

Illustration 2	g00502363

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

Voltage ... 24 V

Amperage ... 50 Amp

Polarity ... Negative ground

Rotation ... Either direction

The minimum full load current at 5000 rpm is the following value. ... 45 Amp

The minimum full load current at 1500 rpm is the following value. ... 14.5 Amp

Output voltage ... 27.5 ± 1.0 V

(1) Shaft nut

Tighten the shaft nut to the following torque. ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Positive terminal nut

Tighten the positive terminal nut to the following torque. ... 13.5 ± 1.3 N·m (119 ± 12 lb in)

(3) Ground terminal nut

Tighten the ground terminal nut to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Regulator

Voltage setting ... No adjustment

Permissible voltage range ... 26.5 to 28.5 V