New Holland CX720 Repair Manual page 68

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
Stack valve - Install (A.10.A.18 - F.10.A.15)
1. Install the stack valve onto the support bracket (1).
Install the four cap screws (2) securing the stack
valve to the support bracket (1).
Tighten the cap screws securely.
2. Connect the main electrical connector (1) to the ECU
(2).
3. Connect the electrical connectors (1) to the valve
solenoids (2).
Remove all caps and plugs from the hydraulic lines
and fittings.
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