TM 5-4310-227-15
b. Cleaning and Inspection.
(b) Remove the adapter (12) from the
unloader body (16) and remove the
(1) C l e a n all parts with an approved
elbow (6) from the low pressure
cleaning solvent and dry thoroughly.
intake manifold (5).
(2) Inspect the flywheel for cracks, wear,
(2) Unloader tubing.
distortion, wear in the grooves or key-
(a) Loosen the compression nuts (14)
way, and other damage. Replace if
t h a t secure the unloader tubing
defective.
(36) to the elbows (15) and re-
(3) Inspect the machine key and the key
move the unloader tubing.
way in the shaft for burrs, wear, or
(b) Remove the elbows (15) from the
other damage. File off all burrs, or
housing cover (13) and the high
replace the key if necessary.
pressure exhaust manifold (1).
(4) I n s p e c t all other parts for cracks,
b. Cleaning and Inspection.
breaks, or damaged threads, Replace
(1) Clean all parts with an approved
damaged part.
cleaning solvent and dry thoroughly.
c. Installation.
(2) Inspect the tube and tubing for cracks
(1) Install the machine key (4) in the
breaks, or other damage.
keyway in the crankshaft (5).
(2) Install the compressor flywheel (7)
( 3 ) Inspect all other parts for cracks,
on the crankshaft, and lock with the
breaks, w o r n t h r e a d s , o r o t h e r
bolt (3) and nut (6).
damage. Replace a damaged part.
(3) Install and adjust the belt set (para
c. Installation.
(1) Breather tube.
(a) Install the adapter (12) in the un-
loader body (16) and install the el-
a. Removal.
bow (6) in the low-pressure intake
manifold (5).
(1) Remove the low pressure safety valve
(1, fig. 3-17) from the elbow on the
(b) Connect the breather tube (8) to
high pressure intake manifold (12).
the adapter (12) and to the elbow
( 2 ) Remove the elbow from the high
(6) and secure by tightening the
pressure intake manifold.
compression nuts (7).
b. Cleaning and Inspection.
(2) Unloader tubing.
(1) Install the elbow in the high pressure
(a) I n s t a l l , the elbows (15) in the
cleaning solvent and dry thoroughly.
housing cover (13), and in the high
(2) Inspect both parts for cracks, breaks,
uressure exhaust manifold (1).
worn threads, or other damage. Re-
(b) Connect the unloader tubing (36)
place if damaged.
to the elbows (15), and secure by
c. Installation.
t i g h t e n i n g the compression nuts
(1) Install the elbow in the high pres-
(14).
sure intake manifold (12).
(2) Install the low-pressure safety valve
3-75. Flywheel
(1) in the elbow.
a. Removal.
(1) Remove the belt set (para 3-59).
Sight Indicator
(2) Remove the bolt (3, fig. 3-17) and
a. Removal.
n u t (6) that lock the compressor
compressor crankcase
(1) Drain the
flywheel (7) on the crankshaft (5)
and use a suitable puller to remove
the compressor flywheel.
(2) Remove the six screws (24, fig. 3-30)
that secure the access cover plate (23)
(3) Remove the machine key (4) from the
to the crankcase (21) and remove the
keyway in the crankshaft.
3-63
