TM 9-2815-225-34&P
3-51. AIR COMPRESSOR REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Inspection and Repair (Contd)
36.
Support (45)
a. Inspect for scratches and
Discard if damaged.
scoring.
b. Using suitable depth
Discard if not within 1.307-
micrometer, measure support
1.310 in. (33.198-33.274 mm).
thrust flange (see illustration).
c. Using suitable micrometer,
Discard support (45) if inside
measure inside diameter of
diameter of bearing is not within
support bearing.
limits shown below.
New Minimum .......................................................... 1.8740 in. (47.5996 mm)
New Maximum ......................................................... 1.8760 in. (47.6504 mm)
Wear Limit ............................................................... 1.8775 in. (47.6885 mm)
37.
Thrust bearing (48)
Using suitable micrometer,
Discard if not within 0.2400-
measure thickness.
0.2480 in. (6.096-6.2992 mm).
38.
Drive coupling (1)
a. Inspect for excessive
Discard if worn or damaged.
and half coupling (49)
wear, scoring, and other damage.
b. Using suitable micrometer,
Discard if inside diameter is
measure inside diameter of
not within 1.000-1.001 in.
half coupling (49).
(25.4-25.425 mm).
39.
Connecting rod
a. Inspect inside diameter of
Discard if damaged.
assembly (32)
both ends for scoring and
other damage.
b. Using suitable micrometer,
Discard if more than 1.935 in.
measure inside diameter of
(49.149 mm).
crankshaft end.
c. Using suitable micrometer,
Remove and discard bushing
measure inside diameter of
(33) if more than 0.6895 in.
bushing (33).
(17.5133 mm).
d. Check for bend and twist.
Discard if bend is more than
0.002 in. (0.508 mm) or twist is
more than 0.004 in. (0.102 mm).
3-326
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