TM 9-2320-366-34-1 2-1082 TEST OPTIONS REASON FOR QUESTION TEST OPTIONS 1. YES NO 2. Is flow through left outrigger control valve OK? START NO KNOWN INFO POSSIBLE PROBLEMS KNOWN INFO POSSIBLE PROBLEMS YES Visual inspection Does left outrigger remain in stowed position? Three-Way Control Valve Assembly Flow Test REASON FOR QUESTION WARNING Read WARNING on following page. l2.  M1084/M1086 MATERIAL HANDLING CRANE (MHC) LEFT OUTRIGGER (JACK) DRIFTS OR DOES NOT WORK INITIAL SETUP   Equipment Conditions     Engine shut down (TM 9-2320-366-10-1).   Personnel Required     (2)   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) Hydraulic oil level OK. Hydraulic hoses, tubes, and fittings OK. Faulty holding valve. Faulty control valve. Faulty thermal relief valve. Faulty outrigger jack cylinder. Faulty holding valve will cause outrigger jack cylinder to drift down. Replace left outrigger jack cylinder (para 16-26). Faulty three way control valve will cause stabilizer cylinder not to operate. Faulty control valve. Faulty thermal relief valve. Faulty outrigger jack cylinder. Hydraulic oil level OK. Hydraulic hoses, tubes, and fittings OK. Holding valve OK. Repair three way control valve (para 16-27). Materials/Parts   Rag, Wiping (Item 60, Appendix C)   Hose (2) (Item 40, Appendix C)   Fitting (2) (Item 31, Appendix C)   Fitting (Item 32, Appendix C)   Adapter, Pipe (Item 1, Appendix C)   Reducer, Tube (Item 61, Appendix C)