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 TM 55-1905-223-24-5
REPAIR
a. Clean all parts with solvent or steam before installation.
WARNING
High pressure compressed air tanks, piping systems, and air operated equipment
have a potential for serious injury to eyes and exposed areas of skin due to
escaping air pressure.
b. Dry all parts with compressed air.
NOTE
Visually inspect all parts and housing for cracks, burrs, or damage. Replace, if
necessary, rocker lever housing (14), engine poppet valve rocker arms (21, 23),
injector rocker levers (22), and nonmetallic hose (1).
REPLACEMENT
a. Install the set screw (13) and plain hexagon nut (12) in each engine poppet valve rocker arm (21,
23) and injector rocker lever (22). Do not tighten the nuts (12).
NOTE
Hold one machine thread plug with an Allen wrench while tightening the other plug
to 70 ft-lb. (94.9 N ) torque. Repeat so that both plugs are tightened to 70 ft-lb.
m
(94.9 N m) torque.
b. Install machine thread plugs (17) in the straight shaft (19).
CAUTION
The setscrew hole (4, FIGURE 3-14) must be to the top and the seven oil passage
holes (5) toward the flat side of the housing for correct assembly.
c. Install, in their original location, the exhaust rocker arm (1, FIGURE 3-14), injector rocker lever (2),
and intake rocker arm (3) as the shaft is pushed through the rocker lever housing.
d. Install, in their original position, the intake rocker arm (1, FIGURE 3-15), injector lever (2), and
exhaust rocker arm (3) as the shaft continues through the rocker lever housing.
3-28
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