C13 Engine for Combat and Tactical Vehicles Caterpillar

Illustration 1	g01350923
Right Side View

Illustration 2	g01359083
Section A-A Oil filter bypass

(Section A-A) Oil filter bypass valve specifications

Nominal opening pressure of the oil filter bypass valve ... 204 kPa (30 psi)

Nominal closing pressure of the oil filter bypass valve ... 132 kPa (19 psi)

Maximum difference in pressure across a dirty filter from the inlet of the standard filter to the outlet of the oil filter. ... 119 kPa (17.3 psi)

Note: The specification includes a remote filter if installed.

Maximum difference in pressure across a new filter from the inlet of the standard filter to the outlet of the oil filter. ... 89 kPa (12.9 psi)

Note: The specification includes a remote filter if installed.

Illustration 3	g01350925
Section B-B Oil cooler bypass

(1) Torque for the plugs ... 100 ± 15 N·m (75 ± 11 lb ft)

(2) 4N-8150 Spring

Assembled length ... 55.24 mm (2.17480 inch)

Load at assembled length ... 75.619 ± 5.8 N (17 ± 1.3 lb)

Free length after test ... 93.726 mm (3.69 inch)

Outside diameter ... 20.6 mm (0.81 inch)

Illustration 4	g01350927
Section C-C Pump bypass valve

(3) 2N-6005 Spring

Assembled length ... 96.52 mm (3.800 inch)

Load at assembled length ... 92.52 N (21 lb)

Free length after test ... 124.71 mm (4.910 inch)

Outside diameter ... 21.84 mm (0.860 inch)

Illustration 5	g01350929
Section D-D High-pressure relief valve

(4) 1A-2170 Retainer Spring

Assembled length ... 21.4 mm (0.8 inch)

Load at assembled length ... 200 ± 15.5 N (45.0 ± 3.5 lb)

Free length after test ... 31 mm (1.2 inch)

Outside diameter ... 19.66 ± 0.2 mm (0.77 ± 0.01 inch)