Truck Repair: 1984 L10 Cummins Valve & Injector Adjustment, volunteer fire department, cummins l10
QuestionOur volunteer fire department has a Cummins L10 engine in a 1984 International truck which is used as a water tender.
What is the proper adjustment procedure for the valves and injectors?
Answer Valve lash is Int 0.011 & Exh 0.023.You will need a special "T" wrench to adjust the injector with that is 5-6 in lbs.
The adjustment procedure is as follows:
A= 2 valves 4 inj
B= 4 valves 1 inj
C= 1 valves 5 inj
A= 5 valves 3 inj
B= 3 valves 6 inj
C= 6 valves 2 inj
It doesn't matter which cyl you start on,just go in firing order until they are all done.