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 TM 55-1905-223-24-3
Valve Lash Specification
Intake
(0.028 mm)
(0.058 mm)
0.011-inch
0.023-inch
(c)
Insert the feeler gauge between the top of the crosshead and the rocker lever pad (Figure
FIGURE 2-37. 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 2-38) to 6
in.-lb torque (0.68 N-m) torque.
Feel Method: Tighten the adjusting screw (2, Figure 2-38) until a slight drag is
felt on the feeler gauge.
2-125
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