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OPTIONS
Fourth Auxiliary Hydraulics
Second / Fourth Auxiliary
Hydraulic Switch
Move this switch to control the flow of the oil
in the fourth auxiliary hydraulic lines.
(G) ........Hydraulic oil flows to left auxiliary line(g)
(H) ........Hydraulic oil flows to right auxiliary line(h)
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When the safety lock lever is set to the lock
position, this control is locked.
Disconnecting the hydraulic circuits
1. Release the pressure remaining in the
lines.
Refer to “Releasing the residual
pressure”.
2. Disconnect the lines from ports (g) and (h).
3. Install the plugs.
Releasing the residual pressure
After using the auxilliary hydraulic circuits,
pressure remains in the circuits. This is called
the residual pressure. Release this residual
pressure before disconnecting the lines.
1. Stop the engine.
2. Turn the starter switch to the ON
position.
3. Fully lower the safety lock lever.
4. Within 10 minutes after the engine comes
to a complete stop, move the second /
fourth auxiliary hydraulic switch to the right
and left several times.
a. Press the selector button (2nd or 4th
Aux.) to change over to operation of the
second auxiliary hydraulics.
b. Move the second / fourth auxiliary
hydraulic switch to the right and left
several times.
5. Raise the safety lock lever to the lock
position.
Selector Button (2-Piece boom)
WARNING
Pressing (switching ON or OFF) the
selector button while the boom swing
pedal is depressed is dangerous, since the
attachment will move unexpectedly.
Always set the boom swing pedal back to
the neutral position before operating the
selector button.
This button changes from the boom
swing operation to the intermediate boom
operation.
While the button is pressed and held in,
operation changes from the boom swing
operation to the intermediate boom operation
and the intermediate boom operation indicator
lamp lights. When the finger is released from
the button, operation switches back to
boom swing operation. Actual operation is
performed with the boom swing pedal.
Operation of the first auxiliary hydraulic switch
push button: left side (A’) only.
W3L010
Содержание TB175W
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Страница 169: ...167 SPECIFICATIONS Main Speci cations 168 Machine Dimensions 170 Operating Range 172 Lifting Capacities 177...
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Страница 172: ...170 SPECIFICATIONS Machine Dimensions W2K0011 K R G J Q P M V W L N D H B C U S T E F A...
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