Oil Filter - TM-5-4320-240-150061

Installation. Refer to figure 3-33 and install the oil filter.

3-54. General

3-56. Oil Pressure Relief Valve

The lubricating system employed in the engine on this

pumping unit provides full oil pressure to the crankshaft

and rod bearings then meters this oil supply through

a. General. The oil pressure relief valve is of the

small pockets in the crank journals to the accessory

nonadjustable type and prevents excessive pressure

gears and valve mechanism.

build-up.

3-55. Oil Filter

b. Removal. Refer to figure 3-34 and remove the

oil relief valve.

a. General. A bypass-type oil filter removes dirt

c. Installation. Refer to figure 3-34 and install the oil

and foreign elements from the oil. The removal of grit,

sludge, and foreign particles causes filter elements to

relief valve.

clog and become ineffective unless they are regularly

replaced.

3-57. Breather

b. Service. Refer to figure 3-1 and service the oil

a. General. The breather is located on the valve

filter.

cover.

It filters the air which enters the engine

lubricating areas.

c. Removal. Refer to figure 3-33 and remove the

oil filter.

b. Removal. Refer to figure 3-35 and remove the

breather.

d. Cleaning and Inspection.

c. Installation. Refer to figure 3-35 and install the

(1) Clean the outside of the oil filter with a

breather.

cloth dampened in cleaning solvent. Service the oil

filter as directed in subparagraph b above.

3-58. Oil Lines and Fittings

(2) Inspect the oil filter, mounting parts, and

a. Replacement. Refer to figure 3-36 and replace

fittings for cracks, breaks, restrictions, clogging, stripped

lines and fittings as necessary.

threads, or other damage.

Replace damaged parts.

3-32