(2) Installation. Install the boom stayline actuat-ing cylinder crank arms in reverse order of removal,2-30. Hydraulic Control Panel (Subplate)Assembly and Control Valvesa. General. The seven control valves comprisingpart of the main hydraulic subplate assembly can beremoved and replaced individually if defective. Referto TM 9-2350 -256-34-2 for description and opera-tion of these valves. Removal and installation of theseindividual valves, as well as of the main hydraulic sub-plate assembly as a unit, are described and illustratedin the following sections of this paragraph.b. Hydraulic Control Panel (Subplate) Assembly.Prior to removal of the hydraulic subplate assembly,remove the shift control (TM 9-2350-256-20), APUcontrol box and mechanic’s seat (TM 9-2350-256-20).Remove the hydraulic subplate assembly as shown infigure 2-28.Figure 2-27. Boom stayline actuating cylinder crank arms-removal and installation.2-56Change 3TM 9-2350-256-34-1
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