TM 55-2210-223-34
TO 45A2-2-14-22
4-8.
AIR COMPRESSOR (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
e.
Use a feeler gauge and measure clearance between oil pump plunger (104) and oil pump housing (105).
Clearance limits are 0.002 inch (0.05 mm) minimum and 0.006 inch (0.15 mm) condemnable. Replace damaged
oil pump plunger and oil pump housing.
f.
Check that crankcase journal supporting oil pump housing (105) is not cracked or broken.
g.
Replace damaged parts.
50.
Magnaflux crankcase (116) and check that crankcase is not cracked or broken. Replace damaged crankcase.
51.
Use a dial indicator and measure bearing bore in main bearing housing (113). Maximum allowable wear or
eccentricity is 0.002 inch (0.05 mm). Replace damaged main bearing housing.
52.
Clean, inspect, and repair intercooler (19) by the following:
a.
Use drycleaning solvent and remove dirt and loose paint from intercooler (19). Dry with compressed air.
b.
Use duckbill pliers and straighten bent fins.
53.
Clean, inspect, and repair intake strainer (49) by the following:
a.
Use drycleaning solvent and remove dirt and oil from intake strainer (49). Dry with compressed air.
b.
Apply a thin coat of oil to intake strainer (49).
54.
Replace damaged oil lines.
55.
Tighten fittings.
56.
Replace metallic filter material in crankcase breather (53).
57.
Replace seals, rings, bearings, and gaskets.
58.
Refer to table 4-1 for air compressor data. Measure parts and check that parts do not exceed condemnable limits.
Replace damaged parts.
4-19
