3.1.2. Separating the governor weight CMP Disassembling the delivery valve Remove the holder, (delivery). Providing whirl-stop to the camshaft Remove the delivery valve and gasket. Example of whirl-stop Remove the nut, (governor support). 3.1.3. Disassembling the hydraulic head Disassembling the hydraulic head Remove the joint, (FO inlet pipe). Remove the delivery valve and gasket. Remove gasket 23 Delivery valve parts disassembled. (Take care not to mix these with other parts on reassembly. Reassemble these to the original port as a set.)