TM5-3810-305-1022. Relieve pressure in boom hoist circuit byturning ignition switch ON, holding on anti-two block BY-PASS switch and operatingboom hoist lever in both directions severaltimes until pressure is released. Turn ignitionswitch OFF and proceed as follows:a. Disconnect two boom hoist cylinder hoses(Figure 5-19) from manifold. Access isthrough cutout in front of upperstructure.b. After disconnecting, pull hose ends outthrough front hole to keep them out of theway. Remove two plugs size 10 from toolbox and plug hose ends (Figure 5-20).Figure 5-20 Location of Boom Hoist Cylinder HosesAfter DisconnectionFigure 5-19 Rotary Manifold Hoses5-14
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