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 TM 55-1905-223-24-3
(2)
Inspect the cam follower housing for cracks or other damage. Discard if damaged or worn.
(3)
Check the bushing in the cam follower lever for scratches or other damage.
(a)
Use inside micrometer to measure the inside diameter of the bushing.
(b)
The bushing must measure 0.7501 to 0.7511 inch (19.053 to 19.078 mm).
(c)
Replace the bushing if it measures more than 0.752 inch (19.10 mm).
(4)
Use a magnetic inspection method to check the levers for cracks. Apply coil magnetization to
the levers. Use 300 to 500 amperes with residual Magnaglo. Figure 4-23 shows the areas of
the lever to check carefully for cracks.
FIGURE 4-23. Inspecting Levers for Cracks.
(5)
Check the expansion plug holes in the housing for damage or sharp edges.
(a)
Use 240 grit aluminum oxide paper to remove any sharp edges.
(b)
Put the aluminum paper in a rod that has a slot in the end to hold the paper. Install the rod in
an electric drill.
(c)
Start the drill and push the paper through the hole.
(d)
Make a chamfer on the edge of the hole and remove any sharp edges.
(6)
Check the insert in the cam follower lever for wear or damage.
(a)
Use a new push rod ball or a 0.625 inch (15.88 mm) checking ball to check the insert.
4-59
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