797 Off-Highway Truck Braking System Caterpillar

Illustration 1	g01072012
Section C-C

Illustration 2	g01072015
View A-A

Illustration 3	g01072018
Section B-B

Illustration 4	g01072019
Section D-D

Differential pressure between the filter inlet and the filter outlet that will open the bypass valve ... 241 ± 21 kPa (35 ± 3 psi)

(1) Filter inlet port

(2) Filter outlet port

(3) Torque for two O-ring plugs ... 100 ± 10 N·m (74 ± 7 lb ft)

(4) Torque for fluid sampling valve ... 28 ± 7 N·m (21 ± 5 lb ft)

(5) Torque for two fitting assemblies ... 28 ± 7 N·m (21 ± 5 lb ft)

(6) Torque for two O-ring plugs ... 180 ± 15 N·m (133 ± 11 lb ft)

(7) Bypass switch

Note: Refer to the Braking System Specifications, "Bypass Switch (Front Brake Cooling Oil Filter)" for additional information.

(8) Torque for adapter ... 180 ± 15 N·m (133 ± 11 lb ft)

(9) 7M-1297 Spring

Length under test force ... 50.8 mm (2.00 inch)

Test force ... 175.88 ± 14.06 N (39.54 ± 3.16 lb)

Free length after test ... 75.7 mm (2.98 inch)

Outside diameter ... 22.4 mm (0.88 inch)

(10) Bypass spool

(11) Torque for O-ring plug ... 135 ± 15 N·m (100 ± 11 lb ft)