4 - 36 S-60 • S-65 • S-60 HC Part No. 77828February 2012Section 4 • Repair Procedures5-1RPM Adjustment - Ford andDeutz ModelsRefer to Maintenance Procedure B-9,Check andAdjust the Engine RPM - Ford and Deutz Models.5-2RPM Adjustment - PerkinsModelsRefer to Maintenance Procedure A-11,Check andAdjust the Engine RPM - Perkins Models.5-3Flex PlateThe flex plate acts as a coupler between the engineand the pump. It is bolted to the engine flywheeland has a splined center to drive the pump.Two different styles of flex plates have been usedin the production of your machine model.Type "A" flex plates utilize a flex plate installedonto the flywheel of the engine and a separatecoupler installed onto the pump splined shaft.Type "B" flex plates combines the pump coupler,as part of the flex plate, which is installed onto theengine flywheel.EnginesType "A"(flexplate withseparate coupler)Type "B"(flexplate withcoupler combined)
