TM 9-2350-256-34-2(3)Control valves (hydraulic subplate assembly).(a)Detailed description. The hydraulic subplateassembly or main control panel (figs. 1-15 and 1-16) ismounted to the right of the driver. Mounted to the subplateare the main winch, hoist winch, boom safety, and powercontrol valves; the system selector control valve; the boomcombination control valve, and the auxiliary power unit(APU) emergency winch control valve. The spade controlhandle is installed on the subplate and connected to thespade combination control valve by a mechanical linkage.The subplate has numerous ports and passages andserves as a manifold and mount for the operator's hydrauliccontrol valves. Bleed valves are installed in the subplateto provide a means of bleeding portions of the hydraulicsystem.Figure 1-14. Hydraulic oil tank-installed view.Figure 1-15. Hydraulic subplate assembly left rear view.Change 2 1-17
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