New Holland CX720 Repair Manual page 1924

POWER PRODUCTION - FUEL AND INJECTION SYSTEM
6. Carefully wiggle the fuel injection lines (2) out from
under the intake manifold and remove them from the
engine. Start from the back and move toward the
front of the engine.
Once removed from the engine, individual fuel lines
can be removed from the assembly for replacement.
Keep in mind when ordering parts that each line is
different and cannot be interchanged; therefore, or-
der lines individually for the particular cylinder the line
goes to.
2 4/7/2006
B.20.A / 94