Engine Oil Cooler Bypass Valve

TM 9-2320-312-24-2

Specifications Section

i00667186

i01582205

Engine Oil Cooler Bypass

Engine Oil Pump

Valve

SMCS Code: 1304

SMCS Code: 1314

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Illustration 22

Typical example

(1) The oil cooler bypass valve will open at the

following pressure. ....................... 125 30 kPa

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Illustration 23

(18 4.5 psi)

Section view through pump gears

9L-9188 Spring specifications for the oil cooler

Typical example

bypass valve

Outside diameter ................. 11.2 mm (.44 inch)

Free length ........................ 57.9 mm (2.28 inch)

Assembled length ............. 43.2 mm (1.70 inch)

Load at assembled length ............. 15.6 1.3 N

(3.50 0.30 lb)

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Illustration 24

The section view is of the bypass valve that is located in the pump

assembly.

(1) Distance between the front face of the gear and

the housing ............................. 43.00 0.25 mm

(1.693 0.010 inch)

(2) Length of the gears ................ 33.00 0.03 mm

(1.299 0.001 inch)

Depth of the bores for the gears .. 33.13 0.02 mm

(1.304 0.001 inch)

(3) Diameter of the gear shafts .. 15.600 0.005 mm

(0.6142 0.0002 inch)

Bores in the pump bodies for the gear

shafts .. 15.641 0.008 mm (0.6158 0.0003 inch)

(4) 105-1805 Spring for relief valve

Outside diameter ............... 13.0 mm (0.51 inch)

Free length .................... 64.98 mm (2.558 inch)

Assembled length ............. 54.5 mm (2.15 inch)