Figure 4-86. Connecting fuel injector tubes-schematic diagram.

Note. The hydraulic head outlet ports are

Note. Tighten fuel injector tube fittings until

a sharp increase in torque becomes apparent.

1. Connect the left bank fuel injector tubes to the rear

This will indicate that the fitting sleeve is seated.

injection pump hydraulic head (A) in the following

When this point is reached, draw the nut up

order: No. 5, 3, 1, 6, 2, and 4.

approximately 1 / 6 of a turn (minimum) but

2. Connect the right bank fuel injector tubes to the front

not more than 1 / 3 of a turn (maximum), to

injection pump hydraulic head (B) in the following

complete tightening operation.

order: No. 2, 4, 1, 6, 5, and 3.

Caution: Overtightening

will

damage

tube

ferrule

causing

fuel

leaks.

Figure 4-86. Connecting fuel injector tubes-schematic diagram.

4-43