D348 INDUSTRIAL & MARINE ENGINES Caterpillar

3N7288 (Faria Number B-1594-2); Use with 3N4430 Sending Unit)

Output to input ratio ... 2 to 1

Range ... 0 to 2500 rpm

Check at 1500 rpm.

Adjustment available ... ± 7.5%

Maximum external circuit resistance ... 20 ohms

Maximum operating temperature ... 180°F(82°C)

Maximum of two tachometers to be operated from one sending unit.

(1) Adjustment screw.

(2) Cap.

(3) Rubber washer.