New Holland CX720 Repair Manual page 64

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
4. Carefully lift the drum variator valve (1) from the pri-
ority valve (2).
5. Carefully lift the priority valve (1) from the connector
plate (2).
6. Lay the remaining parts of the stack valve assembly
on the workbench.
Remove the three socket head cap screws (1) from
the header lift valve (2).
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