Lull 1044C-54 Series II Service Manual - Manual (Page 171)

Boom and Transfer
31200079 6-29
18. Install cylinder rod assembly in cylinder barrel. Install a spanner
wrench in two (2) holes of rod bearing head and tighten until it is snug
against the cylinder barrel.
19. Install two (2) elbows (Item 1) on cylinder manifold. Torque connectors
to 40–44 ft-lbs.
20. Lubricate grease fittings with EP lithium based grease.
Selector Valve
Description
Fig. 6-16: Selector Valve
The 6-port circuit selector valve (directional control valve) is located on the
valve plate near the center of the machine. It directs fluid to the control
valve when the joystick is activated. The 6-port selector valve directs the
flow of hydraulic oil from the joystick controller to the appropriate control
valve section. The solenoids are used to change the flow of oil from one
control valve section to the other.
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