3512 and 3516 EUI Engines and 784B, 785B, 789B and 793B Off-Highway Truck/Tractors Caterpillar

Illustration 1	g00111761

(1) Clamp bolt

Tighten the clamp bolt to the following torque: ... 65 ± 7 N·m (48 ± 5 lb ft)

(2) Injector lash

Injector lash is the following dimension: ... 64.34 ± 0.20 mm (2.533 ± 0.008 inch)

(3) Valve assembly

Tighten the terminal nuts to the following torque: ... 1.7 ± 0.25 N·m (15 ± 2 lb in)

(4) Case assembly

(5) Cone

(6) Nozzle tip assembly

Fuel injector installation

1. For lubrication of the O-ring seals, put multipurpose grease in the bore of the cylinder head.

2. Put the injector in the bore. Use the clamp bolt (1) and the fuel injector clamp to push the injector into the correct position.

   Note: Do not tap or hit surface (Y) in order to install the injector.

3. Tighten the clamp bolt (1) that holds the fuel injector clamp to the specified torque.

4. Be certain that the fuel injector body below the solenoid is not in contact with the valve springs.