4 - 32 Genie Z-60/34 Part No. 75861November 2003Section 4 • Repair ProceduresREV A6-1RPM Adjustment - Ford andDeutz ModelsRefer to Maintenance Procedure B-10, Check andAdjust the Engine RPM- Ford and Deutz Models.6-2Flex PlateThe flex plate acts as a coupler between theengine and the pump. It is bolted to the engineflywheel and has a splined center to drive thepump.a pumpb pump shaftc pump couplerd flex plate with raised splinee engine flywheelf 3 /8 inch / 9.5 mm gap - Deutz Models1 /16 inch / 1.6 mm gap - Ford ModelsHow to Remove the Flex Plate1 Disconnect the wiring plug at the electronicdisplacement controller (EDC), located onthe drive pump.2 Support the drive pump with an appropriatelifting device. Then remove all of the pumpmounting plate to engine bell housing bolts.3 Carefully pull the pump away from the engineand secure it from moving.4 Remove the medium pressure filter and highpressure filter (if equipped) and bracket.5 Remove the flex plate mounting fasteners,then remove the flex plate from the engineflywheel.How to Install the Flex Plate1 Install the flex plate onto the engine flywheelwith the raised spline towards the pump.Torque the flex plate mounting bolts to34 ft-lbs / 46 Nm.2 Install the pump coupler onto the pump shaftwith the set screw toward the pump. Leave theappropriate gap between coupler and pumpend plate for your engine.Pump coupler gap specificationDeutz models 3 / 8 inch9.5 mmFord models 1 /16 inch1.6 mmEnginesa b c d ef