Valve lash adjustment & actual injector adjustment Procedure for 3116 Engine Caterpillar Grader 120 Check and Adjust with No. 1 Piston On this Stroke. (1) Top Center Compression Stroke(2) Injectors 3-5-6 Inlet Valves 1-2-4 Exhaust Valves 1-3-5 Check and Adjust with No. 1 Piston On this Stroke. Top Center Exhaust Stroke Injectors 1-2-4 Inlet Valves 3-5-6 Exhaust Valves 2-4-6 Firing Order 1-5-3-6-2-4 #work #mechanic #engine #repair #mechanicarif | 𝗠𝗘𝗖𝗛𝗔𝗡𝗜𝗖