2004/08/01 Caterpillar

Engine:

3126B (S/N: 9ZF1-UP; BEJ1-UP; DCS1-UP; 3GS1-UP)

Description of Change: An improved Injection Actuation Pressure Sensor is now used on the serial numbers listed above.

Adaptable To: The new 224-4536 Pressure Sensor Gp (INJECTION ACTUATION) is a direct replacement for the former 194-6726 Pressure Sensor Gp (FUEL INJECTION ACTUATION). The 224-4536 Pressure Sensor Gp (INJECTION ACTUATION) is adaptable to the above-listed serial numbers.

Installation Notes

• In order to seal the engine/sensor interface, a 214-7567 O-Ring Seal must be installed on the 224-4536 Pressure Sensor Gp (INJECTION ACTUATION).

• Tighten the 224-4536 Pressure Sensor Gp (INJECTION ACTUATION) to 20 ± 2 N·m (14.75 ± 1.5 lb ft).