TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
Page 434 of 1396
TM 9-2320-366-20-3 KNOWN INFO TEST OPTIONS 1. Is orifice screw or orifice filter (if equipped) free of debris? Visual Inspection Air/hydraulic power unit oil level OK. Air/hydraulic power unit primed. Hydraulic and air hoses OK. Air tanks charged. Hydraulic oil filter OK. Other hydraulic manifold functions OK. POSSIBLE PROBLEMS 2-2414.8 Change 1 z2. CAB DOES NOT LOWER Debris in orifice filter (if equipped). Debris in orifice screw. Faulty hydraulic manifold CAB TILT valve. Faulty cab hydraulic cylinder. Tools and Special Tools Tool Kit, Genl Mech (Item 46, Appendix C) STE/ICE-R (Item 41, Appendix C) Pan, Drain (Item 24, Appendix C) Goggles, Industrial (Item 15, Appendix C) Transmitter, Pressure (Item 1, Appendix J) Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C) Key, Socket Head Screw (Item 38.1, Appendix B) References TM 9-4910-571-12&P INITIAL SETUP Equipment Condition Engine shut down (TM 9-2320-366-10-1). Air tanks drained (TM 9-232-366-10-1). Personnel Required (2) Material/Parts Rag, Wiping (Item 50, Appendix D) Filter Element, Fluid (Item 21.1, Appendix G) YES NO Clean orifice screw and/or replace orifice filter (if equipped). REASON FOR QUESTION If orifice screw and/or orifice filter (if equipped) is clogged, orifice screw and/or orifice filter is faulty. NOTE On vehicles S/N 0001 through 7558, the hydraulic manifold, P/N 12420621, was not originally equipped with an orifice filter. Orifice filter, P/N 117073098-000, however, may have been installed during previous maintenance to the hydraulic manifold. START