VALVE AND INJECTOR ADJUSTMENTS - CONTINUED
VALVE LASH CHECK - CONTINUED
If valve lash clearance is not within specifications listed in Table 2, valves must be adjusted.
Table 2. M Series Valve Lash Recheck Limits.
INJECTOR LASH CHECK
To ensure accurate measurement, securely tighten all hold-down screws and thumbscrews.
Install dial indicator on cylinder being checked to measure injector rocker arm lever.
Adjust and set dial indicator for reading as follows:
Set tip of dial indicator to rest on rocker lever directly above socket.
Loosen height adjustment thumbscrew and lower indicator against injector rocker lever until stem is fully com-
Raise indicator approximately 0.500 in. (12.7 mm) and tighten height adjustment thumbscrew to hold position.