12H, 140H and 160H Motor Graders Air System and Brakes Caterpillar

Illustration 1	g00020038

The switch has a normally open position.

With a decrease in pressure, the switch opens at the following pressure. ... 5 kPa (.5 psi)

With an increase in pressure, the switch closes at the following pressure. ... 45 kPa (6.5 psi)

(1) Tightening torque for the final installation ... 1.0 ± 0.2 N·m (8.85 ± 1.77 lb in)

(2) Tightening torque for the final installation ... 30 ± 5 N·m (22 ± 4 lb ft)

Note: Mount the switch with the terminals in the down position.