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https://truckmanualshub.com/ Troubleshooting Manual Model 1250AJP 3128411 April 5, 2007 ? Downloaded from www.Manualslib.com manuals search engine https://truckmanualshub.com/ Downloaded from www.Manualslib.com manuals search engine https://truckmanualshub.com/ INTRODUCTION SECTION A. INTRODUCTION A.1 HOW TO USE THIS MANUAL Troubleshooting system problems can be difficult. System wiring and hydraulic diagrams are provided in this book to help isolate problems. Follow the flow chart of Figure A-1. Troubleshooting Flowchart on Pg. 3. Only perform calibrations when indicated in proce- dures or in section 5.1 Calibration Instructions on Pg. 289. Each troubleshooting step setup is specified in the step instructions and applies only to that step. Any special wiring, dis- connected connectors, programming modes, etc. should be removed, re-connected, restored, etc. after completing the step unless directed otherwise. Some procedures call for swapping components, connections, etc. All instructions to repair refer to the machine as assembled before the procedure started. Reinstall to proper locations all swapped compo- nents, connections before repairing machine. When a function will not…