New Holland LS140 Workshop Manual page 312

6. Drain the hydraulic reservoir by disconnecting
the return line, 1, at tee, 2, and drain the oil into
a suitable container.
7. Unplug the spool lock solenoids, 1.
8. Remove the pressure line, 2, and return line, 3;
cap both lines to prevent loss of oil and contami-
nation from entering the hydraulic system.
9. Remove the hydraulic lines connected to the
work ports of the control valve, 4, four or six lines,
if unit is equipped with auxiliary boom hydraulics
and cap.
10. Remove the line from the power beyond port, 5,
if equipped with auxiliary hydraulics and cap.
11. Unhook the control linkage from the control valve
spools at 6.
12. Remove the control valve retaining hardware, 7.
Lift the control valve assembly from the skid
steer.
SECTION 35 - HYDRAULIC SYSTEM
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