37
HYDRAULIC UNIT
A
Do not hold the lever in the "pull" or "push" position
once the remote cylinder has reached the end of the
stroke, as this will cause oil to flow through the relief
valve. Forcing oil through the relief valve for extended
periods will overheat the oil.
A
When using the tractor hydraulic system to power front
loader, do not operate boom and bucket cylinders
simultaneously.
A
Connect the pressure of load side of implement
cylinders to ports [B], [D] or [F] which have built in load
check valve to prevent leak down.
A
To use the single-acting cylinder with the float valve,
connect this cylinder to the [B], [D] or [F] port.
To extend a single-acting cylinder, pull the remote
control valve lever rearward. To retract a cylinder,
push it fully forward to the "FLOAT" position. Do not
hold it in the down position, the transmission fluid may
be overheat.
B
Remote Control Valve Coupler
Connecting and Disconnecting
To avoid personal injury:
A
Stop the engine and relieve pressure before
connecting or disconnecting lines.
A
Do not use your hand to check for leaks.
C
Connecting
1. Clean both couplers.
2. Remove dust plugs.
3. Insert the implement coupler to the tractor hydraulic
coupler.
4. Pull the implement coupler slightly to make sure
couplers are firmly connected.
C
Disconnecting
1. Lower the implement first to the ground to release
hydraulic pressure in the hoses.
2. Clean the couplers.
3. Relieve pressure by moving hydraulic control levers
with engine shut off. Pull the hose straight from the
hydraulic coupler to release it.
4. Clean oil and dust from the coupler, then replace the
dust plugs.
A
Your local KUBOTA Dealer can supply parts to adapt
couplers to hydraulic hoses.
(1) Remote control valve lever 1
(2) Remote control valve lever 2
(3) Remote control valve lever 3
Pressure
Returning
Lever (1)
Lever position
Z (detent)
Y
X
Z (detent)
Port
[A]
out in
[B]
in out
Lever (2)
Lever position
Z (detent)
Y
X
Port
[C]
in
Float
out in
[D]
out
in out
Lever (3)
Lever position
Z (detent)
Y
X
Port
[E]
in
Float
out in
[F]
out
in out
Summary of Contents for M7040SU
Page 15: ...7 SAFE OPERATION 7 DANGER WARNING AND CAUTION LABELS ...
Page 16: ...SAFE OPERATION 8 ...
Page 17: ...9 SAFE OPERATION ...
