3054 Engine Caterpillar

Illustration 1	g00293216
Typical example of the fuel transfer pump

Method of drive ... Camshaft

Output pressure during the first ten seconds of cranking:

Normal pressure ... 42 to 70 kPa (6 to 10 psi)

Minimum pressure ... 30 kPa (4.4 psi)

The engine may be equipped with four mounting bolts or four mounting studs with nuts. Tighten to the following torque: ... 22 N·m (16 lb ft)

Apply 4C-4030 Thread Lock Compound to the first three threads of the mounting bolts or the mounting studs.

Refer to the Systems Operation, Testing and Adjusting Module, "Fuel System Pressure - Test" topic in order to test the operation of the fuel transfer pump.

Note: When the fuel transfer pump is installed on the engine, ensure that the camshaft is on minimum lobe lift and that the bolts are evenly tightened. Failure to follow this procedure can cause the following conditions: loss of maximum engine power and damage to the fuel transfer pump .