TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download

Page 1144 of 1432

1. YES NO Visual Inspection v1. CAB DOES NOT RAISE Clean orifice screw and/or replace orifice filter (if equipped). TM 9-2320-365-20-2 2-2116 Change 1 INITIAL SETUP Equipment Condition Engine shut down (TM 9-2320-365-10). Air tanks drained (TM 9-2320-365-10). Personnel Required (2) Material/Parts Rag, Wiping (Item 51, Appendix D) Filter Element, Fluid (Item 14.1, Appendix G) KNOWN INFO 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 Debris in orifice filter (if equipped). Debris in orifice screw. Faulty cab hydraulic latch. Faulty hydraulic manifold CAB TILT valve. Faulty cab hydraulic cylinder. If orifice screw and/or orifice filter (if equipped) is clogged, cab may not raise. TEST OPTIONS REASON FOR QUESTION Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) STE/ICE-R (Item 39, 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 58, Appendix C) Key, Socket Head Screw (Item 35.1, Appendix B) References TM 9-4910-571-12&P START NOTE Is orifice screw or orifice filter (if equipped) free of debris? Vehicles S/N 0001 through 7558, with hydraulic manifold P/N HFC32598, were not originally equipped with an orifice filter. However, an orifice filter may have been installed during previous maintenance to the hydraulic manifold. WARNING Read WARNING on following page.