How do you adjust the injector rocker torque?
Refer to the engine model and CPL for the correct injector rocker lever adjusting screw torque value. Use a dial type torque wrench to tighten the injector lever adjusting screws to the specified torque. If the screw causes chattering during setting, repair the screw and lever as required.
How to set valves and injectors cat 3116 diesel engine?
The timing specification is on the valve cover and the dial indicator has to be calibrated before checking injector timing. Rotate Engine 360 degrees to #6 compression stroke. As I stated before the valves can be adjusted with basic tools but the other procedures need to be performed with the CAT tune up kit.
What’s the best way to tighten an injector lever?
Use a dial type torque wrench to tighten the injector lever adjusting screws to the specified torque. If the screw causes chattering during setting, repair the screw and lever as required. Hold the torque wrench in a position that allows you to look in a direct line at the dial to insure that you are reading it accurately.
What’s the OBC method for STC injectors?
There has been much confusion about setting STC injectors, particularly those CPL’s that have reverted to setting injectors using the OBC (Outer Base Circle) method. The information contained here applies only to those engines with STC injectors that are set using the OBC method.
How to adjust the valve and injector settings?
Valve and Injector Settings Cam Position Injector Intake Exhaust 5 X X V6 X 3 X X V2 X 6 X X V4 X 2 X X V1 X 4 X X V5 X 1 X X V3 X 4 Adjust the unit injector’s adjusting screw to zero clearance. 5 Tighten the adjusting screw 4 flats or 240 . 6 Torque-tighten the adjusting screw lock nut to 52 ± 4 Nm (38 ± 3 ft-lb).
What is the torque of a Cummins Top Stop injector?
Cummins N855 Top Stop Injectors common settings Torque Injectors * 0.7 Nm, 6.0 inch.lb Inlet valves, cold 0.28 mm, 0.011 inch Exhaust valves, cold 0.58 mm, 0.023 inch * N.B. If you have not got a torque wrench, the 0.7 Nm torque is very little, only about a quarter screw turn more than from finger tight.
What’s the torque value on a STC injector?
Torque Wrench Method Use the inch-pound torque wrench, Part Number 3376592 or equivalent, (normally used to set preload on STC injectors), and tighten the adjusting screw. Torque Value: 0.56 to 0.68 n.m [5 to 6 in-lb] Feel Method Hold the adjusting screw in this position.