D399, G399, D398, G398, D379, G379 ENGINES Caterpillar


Lubricating Oil Pressure Regulating Valve

Usage:



Pressure of SAE 30 oil at 200 ± 10° F (93 ± 6° C) measured at oil pressure gauge tap with engine at ... 1200 rpm

16 Cylinder ... 55 ± 7 psi(3,9 ± 0,5 kg/cm2)

12 Cylinder ... 50 ± 7 psi(3,5 ± 0,5 kg/cm2)

8 Cylinder ... 60 ± 7 psi(4,2 ± 0,5 kg/cm2)

Pressure for earlier engines with spacers ... 52 ± 7 psi(3,7 ± 0,5 kg/cm2)

(1) 6L6495 Spring for regulating valve:

Free length ... 3.98 in.(101,1 mm)

Outside diameter ... 1.18 in.(31,0 mm)

(2) 5L8389 Spacer for pressure adjustment on Earlier engines.

Thickness of spacer ... .06 in.(1,5 mm)

Caterpillar Information System:

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