TM 10-3930-669-34 2-11.  ENGINE SYSTEM TROUBLESHOOTING (CONT). 1.  ENGINE CRANKS BUT WILL NOT RUN. INITIAL SETUP Tools and Special Tools Materials/Parts Tool Kit, General Mechanic’s: Automotive Cap and Plug Set (Item 5, Appendix B) (Item 1, Appendix E) Tags, Identification (Item 21, Appendix B) Pressure Test Kit (Item 5, Appendix E) Rings, Retaining (2) STE(Optional) (Item 14, Appendix E) Gasket Gauge, Tester, Injection Pump (Item 5, Appendix E) References Retainer (Item 13, Appendix E) TM 10-3930-669-10 Hand Pump, High Pressure (Item 30, Appendix E) TM 10-3930-669-20 Equipment Condition Personnel Required Engine OFF (TM 10-3930-669-10) Two MAIN POWER switch OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) KNOWN INFO TEST OPTIONS Nothing. Injection pump pressure test. POSSIBLE PROBLEMS REASON FOR QUESTION Injection pump faulty. If injection pump is faulty, Injection pump timing incorrect, engine will not run Camshaft gear alignment incorrect. Low engine compression. Cylinder head(s) or gasket(s) faulty. Piston crown clearance incorrect. Cylinder(s) faulty. Valve(s) or valve spring(s) faulty. Piston(s) faulty. Piston ring(s) faulty. WARNING Read WARNING on Page 2-11 Replace Injection pump (Para 4-5).  Go to Step 11 of this Fault 2-10