The Hydraulic Valve Cartridge is used on various JLG Mobile Elevated Work Platforms (MEWPs). The cartridge does not include double stacked electronic coils. The valve cartridge can be located on the platform control valve manifold or, main control valve manifold, to control various functions such as: upper lift, platform level, platform rotation, jib lift/level, Jib swing. Ensure proper assembly and serial range for machine.