Caterpillar cat 322 c l 322cl excavator (prefix daa) service repair manual (daa00001 and up)
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The document provides instructions for disassembling and assembling the pilot valve (joystick) of a 322C excavator. It consists of 20 steps for disassembly and 23 steps for assembly. Key parts of the pilot valve that are disassembled include the spool assembly, springs, seals, rods and plugs. Cleanliness is emphasized during both disassembly and assembly to prevent dirt from entering the mechanism. O-rings and seals are replaced during assembly.
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