TM5-3810-305-10
22. Relieve pressure in boom hoist circuit by
turning ignition switch ON, holding on anti-
two block BY-PASS switch and operating
boom hoist lever in both directions several
times until pressure is released. Turn ignition
switch OFF and proceed as follows:
a. Disconnect two boom hoist cylinder hoses
(Figure 5-19) from manifold. Access is
through cutout in front of upperstructure.
b. After disconnecting, pull hose ends out
through front hole to keep them out of the
way. Remove two plugs size 10 from tool
box and plug hose ends (Figure 5-20).
Figure 5-20 Location of Boom Hoist Cylinder Hoses
After Disconnection
Figure 5-19 Rotary Manifold Hoses
5-14
