ENGINE - Continued
Turn the push rod and adjust the injector rocker arm until the extended part of the gage will just pass
over the top of the Injector follower.
Hold the push rod and tighten the lock nut. Check the adjustment and, if necessary, re-adjust the push
Time the remaining injectors In the same manner as outlined above.
If no further engine tune-up is required, Install the valve rocker covers, using new gaskets.
This Instruction is written for one fuel injector; repeat the following instructions for each injector.
Remove the fuel pipes from both the injector and fuel connectors. Cover/protect caps on injector, fuel
pipe and fuel connectors with shipping caps to prevent entry of dirt or foreign material.
Crank the engine to bring the outer ends of the push rods of the injector and valve rocker arms in line
Remove the two rocker shaft bracket bolts and swing the rocker arms away from the injector and valves.
Remove the Injector clamp bolt, special washer and clamp.
Loosen the inner and outer adjusting screws (certain engines have only one adjusting screw and
locknut) on the injector rack control lever and slide the lever away from the injector.
Lift the injector from its seat in the cylinder head.
Cover the injector hole in the cylinder head to keep foreign material out.
Dry cleaning solvent P-D-680 (safety or Stoddards solvent) is potentially dangerous. Avoid repeated and
prolonged breathing of vapors and skin contact with the liquid. Do not use near open flame, arcing
equipment or other ignition sources. Always wear eye protection and protective clothing. The flash point
of P-D-680 is 100 to 138 deg. F (30 to 59 deg. C).
Death or serious injury could occur If compressed air is directed against the skin. Do not use compressed
air for cleaning or drying unless the pressure is/has been reduced to 30 psi (2.11 kg/cm2) or less. When
working with compressed air, always use chip guards eye protection and other personal protective
Clean the exterior of the injector with clean dry solvent (item 10, Appendix B) and dry it with compressed