3406C INDUSTRIAL & MARINE ENGINE ATTACHMENTS Caterpillar

NOTE: Calibrating hole in dial face.

7W2936

7W2936 Indicator 12V; Use with 9X1124 Sending Unit

Range ... 0 to 550 kPa (0 to 80 psi)

Test voltage ... 13.8 ± 0.3V

Tolerance ... ±0.8 mm (.03 in)

NOTE: Measure tolerance from the end of the pointer to the centerline of the mark on the face of the indicator.

7W2937

7W2937 Indicator 24-32V; Use with 9X1124 Sending Unit

Range ... 0 to 550 kPa (0 to 80 psi)

Test voltage ... 27.2 ± 0.3V

Tolerance ... ±0.8 mm (.03 in)

NOTE: Measure tolerance from the end of the pointer to the centerline of the mark on the face of the indicator.

NOTE: For 32V systems the 5L7441 resistor (65 ohms) is used with this indicator.