TM 5-3825-229-14&P
5-12. OIL PUMP AND OIL PRESSURE REGULATING VALVE (cont)
d.
Oil Pressure Regulating Valve.
(1)
Removal.
(a)
Refer to para. 5-11 and remove the oil pan.
(b)
The oil pressure regulating valve is mounted in a port in the bottom of the
crankcase forward of the oil filter.
(c)
Use a flat bottom punch on drift pin and drive spring pin (1) from crankcase.
(d)
Remove washer (2), spring (3) and valve piston (4) from crankcase.
(2) Cleaning, Inspection and Repair.
WARNING
Wear protective goggles when using the cleaning solvent. Avoid contact with the eyes. If
contact occurs, flush eyes with cold water for 5 minutes and seek immediate medical
attention. Dry cleaning solvent (PD-680) is both toxic and flammable. Avoid prolonged
breathing of vapors. Avoid skin contact. Use only in a well-ventilated area. Keep away
from open flame. Flash point of solvent is 138°F (59C).
5-35
