SECTION 3 - MACHINE CONTROLS, INDICATORS, AND OPERATION
31215090
3-25
3.15 TOWING
It is not recommended to tow this machine except in the event of an
emergency such as a machine malfunction or total machine power
failure.
Hydraulic Brake Release
1.
Chock wheels or secure machine with tow vehicle.
2.
Press in the Emergency Stop switch at the ground control
console to turn off power.
3.
Open the right side compartment door and locate the main
hydraulic control valve.
4.
Perform the following to set the drive motor control valve to
tow mode:
a.
On the drive control valve locate the tow mode needle
valve knob (
1
). Screw out the valve until it stops.
b.
On the main valve body, to release the brakes, push the
black brake override button (
2
) in. A detent will hold
the valve in place).
c.
Pump the red knob (
3
) until pressure builds, approxi-
mately 5 to 10 strokes. The brakes should now be
released.
d.
After towing is complete, chock the wheels. Release the
black brake override button (
2
) and screw the tow
mode needle valve knob (
1
) all the way in to reset the
hydraulic brake.
NOTE:
If machine is disabled to a point where the hydraulic system can-
not be operated, the steer circuit will also not be operational.
Then the machine will only track in the direction the front wheels
are currently positioned.
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