2-1030 TM 9-2320-366-34-1 j1.  M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE START             KNOWN INFO              Is 14-15 gpm (53-57 lpm) and 3000-3100 psi (20685- 21375 kPa) present at input to MHC? 1. WARNING Read WARNING on following page. Hydraulic oil level OK. PTO OK. Hydraulic hoses, tubes and fittings OK. Three stage hydraulic pump OK. Electrical circuit OK.        POSSIBLE PROBLEMS        Faulty monoblock valve. Faulty input check valve. Faulty main relief valve. Faulty manual override valve.            TEST OPTIONS            Monoblock Valve Flow Test     REASON FOR QUESTION     If 14-15 gpm (53-57 lpm) and 3000-3100 psi (20685-21375 kPa) is not present, monoblock valve cartridge is faulty. YES NO Repair monoblock valve (para 16-85). INITIAL SETUP   Equipment Conditions                                  Engine shut down (TM 9-2320-366-10-1).     Center catwalk removed (TM     9-2320-366-20-4).   Tools and Special Tools     Tool Kit, Genl Mech (Item 78, Appendix B)     Tester, Hydraulic (Item 73, Appendix B)     Pan, Drain (Item 43, Appendix B)     Goggles, Industrial (Item 28, Appendix B) Materials/Parts   Rag, Wiping (Item 60, Appendix C)   Hose (2) (Item 40, Appendix C)   Fitting (2) (Item 31, Appendix C)   Reducer, Tube (Item 61, Appendix C)   Adapter, Swivel (Item 3, Appendix C)   Adapter, Pipe (Item 2, Appendix C)   Fitting (Item 32, Appendix C)   Adapter, Pipe (Item 1, Appendix C) Personnel Required   (2)