3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS Caterpillar

1. Remove clamp (1) that holds the fuel injection lines to the valve cover.

2. Loosen nuts (2) at both ends of all the fuel injection lines. Disconnect and remove the fuel injection lines as a unit.

3. Install caps (A) on the fuel injection pumps and adapters in the head.

4. Install plugs (B) in the nuts on the fuel injection lines.

Install Fuel Injection Lines (Interim Scroll Fuel System)

1. Remove caps (A) from the fuel injection pumps and adapters in the head.

2. Remove plugs (B) from the nuts on the fuel injection lines.

3. Install fuel injection lines (1) as a unit. The fuel lines must not make contact with other fuel lines or engine components except at fittings and clamps. Use tool (C) and a torque wrench to tighten the nuts on the fuel injection lines to a torque of 41 ± 7 N·m (30 ± 5 lb.ft.).

NOTE: When a crowfoot wrench is used with a torque wrench, a correction is necessary for the dial reading. To find the amount of correction necessary, use the Caterpillar Torque Computer, Form No.GEGO2229 which is also Snap-On Form No. SS-306B.

4. Put clamp (2) in position on the fuel injection lines at the valve cover, and install the nuts and washers that hold it in place. Tighten the nuts to a torque of 8 ± 2 N·m (6 ± 1 lb.ft.).

5. Prime the fuel system. See Priming Fuel System in the Maintenance Guide.