HARNESS AS- 3803159 - Caterpillar

Illustration 6 g00318867
Cylinder, valve, and injection pump location ( 3412C shown) (A) Inlet. (B) Exhaust. (C) Fuel injection pumps.Valve Lash and Valve Bridge Adjustment
3408C
Use the following procedure to adjust the valves:
Put the No. 1 piston at the top center position.Note: Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston" for further details.
With No. 1 piston at the top center position of the compression stroke, an adjustment can be made to the valves.Before any adjustments are made, lightly tap each rocker arm at the top of the adjustment screw. Use a soft mallet to ensure that the lifter roller seats against the camshaft's base circle.
Make an adjustment to the valve lash on the inlet valves. Make the adjustment for cylinders 1, 2, 5, and 7. Make an adjustment to the valve lash on the outlet valves. Make the adjustment for cylinders 1, 3, 4, and 8. Move each valve bridge to minimize the oil film effect prior to taking the measurements.
Table 5
Valve Lash Setting: Engine Stopped    
Valves     Gauge Dimension    
Inlet    
0.38 mm (0.015 inch)    
Exhaust    
0.76 mm (0.030 inch)    
After each adjustment, tighten the nut for the valve adjustment screw to