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Detroit Diesel — Initial Valve Lash and Measurement/Adjustment Period

A Detroit Diesel service procedure — check it applies to your exact model before use.

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Procedure

  1. 1. Exhaust Valve Rocker Arm Assembly
  2. 4. Rocker Arm Shaft
  3. 2. Fuel Injector Rocker Arm Assembly
  4. 5. Cylinder Head
  5. 3. Rocker Arm
  6. 6. Intake Rocker Arm Assembly
  7. Figure 1
  8. Valve Overlap Period
  9. NOTE:
  10. When setting valve lash clearance always set them to the dimension listed in Table 2.
  11. Adjust the valves and fuel injector settings as follows:
  12. ELECTRICAL SHOCK
  13. To avoid injury from electrical shock, do not touch battery
  14. terminals, alternator terminals, or wiring cables while the
  15. engine is operating.
  16. 1. Disconnect batteries.
  17. 2. Remove the engine valve rocker cover as outlined. Refer to section 1.6.2 "Removal of

Source: manual:08 60-8 VALVE LASH ADJUSTMENTS.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.