Truck Repair: 1985 Kenworth with Cummings 350 engine, stop screw, torque wrench
QuestionThe serial number on engine is gone. What is the valve lash set on and what sequence.
AnswerAdjust crossheads by backing off 1 turn then tighten down til it touches valve stem then tighten locknut.
adjust intake to .011" adjust exhaust to .023"
injector tighten adjuster until clearence is removed then tighten a additional turn. loosen adjuster screw until injector spring washer touches top stop screw. then using torque wrench tighten adjuster to 5-6 in" lbs.
Here is a chart for the order
Pulley Injector Valves
A 3 5
B 6 3
C 2 6
A 4 2
B 1 4
C 5 1