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 TM 55-1905-223-24-5
b. Remove five assembled washer screws (4) from each engine poppet valve rocker arm cover (5, 6, 7).
c. Remove the three covers (5, 6, 7) and valve cover gaskets (8). Discard gaskets.
d. Remove two hexagon head capscrews (9) in each engine lifting bracket (10, 11).
e. Remove the two engine lifting brackets (10, 11).
f. Remove the rocker lever housing (14) as follows:
(1) Loosen the six plain hexagon nuts (12).
(2) Turn each of the six setscrews (13) counterclockwise two full turns.
NOTE
To prevent increased wear, mark each rocker lever housing (14) as it is removed,
and install each housing in its original location.
(3) Remove the six assembled washer screws (15) from the rocker lever housing (14).
(4) Remove the rocker lever housing (14).
(5) Remove rocker lever housing gasket (16). Discard gasket.
g. Remove the setscrew (20) from the housing (14).
NOTE
To prevent increased wear, mark each rocker arm (21, 23) and rocker lever (22) as
it is removed, and install each in its original location.
h. Lightly tap the end of the straight shaft (19) with a drift punch and hammer and remove the shaft (19).
Remove the engine poppet valve rocker arms (21, 23) and injector rocker levers (22) from the housing (14).
i. Remove the plain hexagon nuts (12) and the setscrews (13) from the engine poppet valve rocker arms (21,
23) and injector rocker levers (22).
NOTE
Machine thread plugs must be removed with an Allen wrench.
j. Remove machine thread plugs (17) from each end of straight shaft (19).
k. Remove preform packing (18) from each end of straight shaft (19). Save the preform packing.
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