312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control – V2 – Swing Is Inoperable – Troubleshoot – CID 374 Swing Is Inoperable Troubleshooting ( 312C, 315C, and 318C) Illustration 1 g01009599 Swing Is Inoperable Troubleshooting For 321C Illustration 2 g00988935 Swing Is Inoperable Troubleshooting For 319C, 320C and 322C Illustration 3 g00778643 Swing Is Inoperable Troubleshooting For 325C, M325C MH, and 330C Illustration 4 g00840979 “Check Hydraulic Activation Control And Associated Components (When Engine Is Operable)” Illustration 5 g00774189 Illustration 6 g01058496 Illustration 7 g01058763 Schematic For Troubleshooting “Swing Is Inoperable” ( 312C) Illustration 8 g00778652 Schematic For Troubleshooting “Swing Is Inoperable” ( 315C) Illustration 9 g00778653 Schematic For Troubleshooting “Swing Is Inoperable ” ( 318C) Illustration 10 g01009604