769D TRUCK & 771D QUARRY TRUCK POWER TRAIN Caterpillar

Difference in pressure at which the bypass valve will open ... 250 kPa (36 psi)

(1) 9M-1986 Spring for the bypass valve:

Length under test force ... 25.4 mm (1.00 in)

Test force ... 111 ± 9 N (24.9 ± 2.0 lb)

Free length after test ... 47.2 mm (1.86 in)

Outside diameter ... 12.7 mm (.50 in)

(2) 3S-8652 Spring for the filter element:

Length under test force ... 25.4 mm (1.00 in)

Test force ... 141 to 166 N (31.6 to 37.2 lb)

Free length after test ... 96.5 mm (3.80 in)

Outside diameter ... 35.1 mm (1.38 in)