3100 HEUI TRUCK ENGINE Caterpillar

(1) Air inlet manifold.

(2) Atomizer for rear three cylinders. Minimum seating torque ... 2.8 N·m (25 lb in)

(3) Atomizer for front three cylinders. Minimum seating torque ... 2.8 N·m (25 lb in)

NOTE: Two marks (180 degrees apart) indicate the orifice spray direction. These marks must be pointed to the front and the rear of the engine to avoid spraying ether onto the inlet air heater element.

(4) Heater group

(5) Air inlet elbow (dual tube air inlet).