Ford 3230 Operator's Manual page 44

CONTROLS, INSTRUMENTS . . AND OPERATION--
Standard Remote Control Valve Application Chart
Control 'Quick-
Valve Cylinder Float drop'
Type Application(s) Valve Valve
Single-Spool
One Double-Acting NIA Closed
with Detents
One single-Acting
NIA
Open
Two Double-Acting Closed Closed
Double-Spool One Double-Acting
with Detents
One Single-Acting
Closed Open
Two Single-Acting
Open
Open
the hexagon head adjusting screw counter-clock-
wise. To close the valve, tum the screw clockwise.
See Figure 27.
Implement
down
pressure may be varied by ad-
justment of the float
valve
between fully open
and
fully closed.
To operate
a remote
control
valve,
connect the
re-
mote cylinder feed hose
to
the
lift
coupler, Figure
28, by
inserting
the hose through the slit in the
dust cap, ensuring
that
it is correctly seated. The
return hose
from
a double-acting cylinder
must
be
connected
to
the drop coupler.
NOTE: The lift couplers have blue dust caps and
the drop couplers have black dust caps.
If a double-spool valve is installed, a
second pair
of couplers are mounted to the left of the hydraulic
lift rocker, as shown in Figure 28.
A
WARNING: Before connecti.ng or dis-
411a
connecting hydraulic hoses
at
the remote
cylinders, stop the engine and relieve the pressure
in the circuit by moving the remote control valve
lever(s) fully forward to the 'float' position then
26
Hose
Installation
Single-Spool Valves
or Outboard Spool of Inboard Spool of
Double-Spool Valves Double-Spool Valves
Lift Drop
Lift
Drop
Coupler Coupler Coupler Coupler
Lift Hose
Drop Hose
N/A N/A
Lift Hose
None
N/A N/A
Lift Hose Drop Hose
Lift Hose DlDpHose
Lift Hose Drop
Hose
Lift Hose
None
Lift Hose
None
Lift
Hose
None
back to neutral. Ensure no one will be injured by
moving equipment when relieving pressure in the
system.
Before disconnecti.ng cylinders or equipment en-
sure the equipment or implement is supported se-
curely.
Never work under equipment supported
by
an hy-
draulic device because it may drop
if
the
control is
actuated (even with the engine stopped) or in
the
event of a hose failure, etc. Always use a secure
support for equipment which must be serviced
while in the raised position.
NOTE: Before connecting remote cylinder hoses,
thoroughly clean the connections
to
prevent oil
contamination. Remote cylinders are operated
by
oil drawn from the tractor hydraulic
system,
therefor, always check and
top
up the hydraul.ic
system oil qfter remote
cylinder
equipment has
been connected and cycled a
few
times.
Ensure tha.t oil contained within the remote cylin-
ders is clean, has not broken down
due
to long
storage and
is
of the correct grade.