D5 (SA) TRACTOR POWER TRAIN Caterpillar


Relief Valve (3S8190)

Usage:

Pressure-bench test relief ... 225 ± 8 PSI(15,82 ± 0,56 kg/cm2)

While bypassing ... 4 ± 1 U.S. GPM(12,71 ± 3,78 lit/min.)

(1) 3D2777 Spring-valve:

Length-test force applied ... 2 in.(50,8 mm)

Test force ... 37.7 ± 3 lbs.(17,10 ± 1,36 kg)

Free length after test ... 2.68 in.(68,07 mm)

Outside diameter ... .75 in.(19,05 mm)

(2) 4M2381 Spring-plunger:

Length-test force applied ... .48 in.(12,19 mm)

Test force ... .517 ± .041 lb.(0,23 ± 0,02 kg)

Free length after test ... .89 in.(22,6 mm)

Outside diameter ... .30 in.(7,62 mm)

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