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 TM 55-1905-223-24-3
(2)
Inspect the ball end of rocker adjusting set screw for scratches an wear. Use a 0.25 in. (6.35 mm)
d
radius gauge to check the ball end of the adjusting screw.
(3)
Replace the adjusting set screw if the ball end is out-of-round or flat at the bottom.
(4)
Check the thread condition on all rocker adjusting set screws.
(5)
Check carefully for thread distortion at the assembly position of the locknut. Screws must move freely
through the rockers.
(6)
Inspect the sockets on the end of each rocker for damage as follows:
(a) Apply a bluing compound with a 0.500 inch (12.70 mm) diameter gauge or a new injector link.
(b) The blue patter must coat at least 80% of the socket surface.
(c) Replace the rocker levers as necessary.
(7)
Inspect the rocker lever bushings for damage.
(8)
Measure the inside diameter of the rocker lever bushing. The measurement must not exceed 1.1286
inches (28.664 mm). If these limits are exceeded, replace the rocker lever assembly.
d.
Install the rocker arms and rocker levers and shaft in the housing (paragraph 2-39).
e.
Install the rocker lever housing on the engine (paragraph 2-39).
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