TM 10-4320-344-242.21.50 RockerArm(Valve)Adjustment,Models609-CandUS636HCCD-1.This task covers:Valve Adjustment OnlyINITIALSETUPToolsEquipment Conditions (Continued)General Mechanic’s AutomotiveCylinder Head Covers removed, paragraphTool Kit, Appendix B, Section2.21.48.III, Item 1General Safety InstructionsEquipment ConditionsDo not work on equipment that is notPumping station shut down, TM 10-4320-344-10.securely stabilized to prevent rollingo r s l i d i n g.V-Belt Guard removed, paragraph 2.21.11Do not work on equipment without follow-(US636HCCD-1).ing standard shop safety practices.Figure 2-165.Valve Adjustment, Models 609-C and US636HCCD-I.a.Turn crankshaft in direction of rotation until valves of number one cylinderoverlap (pushrods move freely).2-370
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