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 TM 55-1905-223-24-5
(c) Insert the feeler gauge between the top of the crosshead and the rocker lever pad. (Refer to
FIGURE 3-27 .)
FIGURE 3-27. Checking Valve Lash (Feeler Method ).
NOTE
Two different methods for establishing valve lash clearance are described. Either
method can be used; however, the torque wrench method has proved to be the
most consistent. It eliminates the need to feel the drag on the feeler gauge.
Torque Wrench Method: Use an inch-pound torque wrench (normally used to set
preload on top-stop injectors), and tighten the adjusting screw (1, FIGURE 3-28) to
6 in-lb. (0.68 N ) torque.
m
Feel Method: Tighten the adjusting screw (2, FIGURE 3-28) until a slight drag is
felt on the feeler gauge.
FIGURE 3-28. Tightening Adjusting Screw.
3-42
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