Tiger CNH T6010-80 Mounting And Operating Instructions page 43

ASSEMBLY
IDENTIFYING TRACTOR HYDRAULIC SYSTEM
The lift valve uses the Pressure, Return and Load Sense on the tractors rear remotes.
Depending on what tractor hydraulic system you have determines how the lift valve is
.
plumbed
The Closed Center system is shown below. For more information refer to the Parts
Section page for a complete diagram of the tractor lift valve hookup.
(ASM-NH-0022)
Assembly Section 2-11