2009/11/09 Caterpillar

Off-Highway Truck/Tractor:

770 (S/N: BZZ1-UP)

772 (S/N: RLB1-UP)

773F (S/N: EED1-UP)

777F (S/N: JRP1-UP; JXP1-UP)

797 (S/N: 5YW1-UP)

797B (S/N: JSM1-UP)

Quarry Truck:

775F (S/N: DLS1-UP)

Track-Type Tractor:

D10R (S/N: AKT1-UP)

D11R (S/N: AAF1-UP; 9XR1-UP; 7PZ1-UP)

Wheel Loader:

993K (S/N: Z9K1-UP)

Illustration 1	g02022517

The torque for the pressure switch (1) on the 155-6061 Oil Filter Gp is changed from 19 ± 3 N·m (168 ± 27 lb in) to 30 ± 3 N·m (266 ± 27 lb in). If a leak is observed at the pressure switch (1) on the machines that are listed above, tighten the pressure switch to 30 ± 3 N·m (266 ± 27 lb in).