TM 5-3895-373-34
2.64
REPLACE/REPAIR CONVEYOR DRIVE SHAFT, BEARING UNITS, AND SPROCKETWHEELS -Continued. -
C.
INSPECT - Continued.
2.
INSPECT SPROCKET WHEEL TEETH AND
KEYWAY.
a.
Inspect sprocket wheel (20) for broken, missing,
and worn teeth B. Replace damaged sprocket
wheel.
b.
Inspect sprocket wheel keyway C for worn or
broken edges. Replace sprocket wheel (20) if
keyways are worn or broken.
c.
Inspect threads of set screw holes. If threads
are damaged, replace sprocket wheel (20).
3.
INSPECT
SPROCKET
WHEELS
FOR
DAMAGED TEETH AND KEYWAYS.
a.
Inspect sprocket wheels (19) for sharp, broken,
or missing teeth D. Replace defective sprocket
wheels.
b.
Inspect sprocket wheel keyway E for worn or
broken edges. Replace sprocket wheel (19)
having worn or broken edges.
c.
Inspect threads of set screw holes. If threads
are damaged, replace sprocket wheel (19).
4.
INSPECT BEARINGS (26) FOR LOOSENESS
OR RADIAL FREE PLAY. REPLACE IF
LOOSENESS OR RADIAL FREE PLAY IS
PRESENT.
D.
INSTALL.
1.
INSTALL BEARING INTO BEARING HOUSING.
a.
Hold bearing (26) perpendicular to bearing
housing (25) and align with housing slots (27).
b.
Push bearing (26) into housing slots (27). Stop
when the bearing is halfway inserted.
NOTE
Orient bearing to ensure lock pin hole
alignment with bearing housing lock
pin hole.
c.
Rotate bearing (26) until parallel with bearing
housing (25).
d.
Align bearing lock pin hole (28) with bearing
housing lock pin hole (29).
e.
Insert lock pin (24) through lock pin holes (28
and 29).
f.
Push lock pin (24) below the surface of bearing
housing (25).
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