OPERATING CONTROLS AND PROCEDURES MLC300 OPERATOR MANUAL
3-44
Published 11-20-19, Control # 234-19
Live Mast Assist Arms
• Select and confirm item 15.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to EXTEND the mast assist arms and
cylinders or move the control handle II REARWARD to RETRACT the mast
assist arms and cylinders.
Crawler Pins, Left
• Select and confirm item 16.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to ENGAGE the left crawler pins or
move the control handle II REAWARD to DISENGAGE the left crawler pins.
Crawler Pins, Right
• Select and confirm item 17.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to ENGAGE the right crawler pins or
move the control handle II REAWARD to DISENGAGE the right crawler pins.
Crawler Track Tensioner, Left (past
production)
• Select and confirm item 18.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to EXTEND the left track tensioner
(tighten track) or move the control handle II REARWARD to RETRACT the
left track tensioner (loosen track).
Crawler Track Tensioner, Right (past
production)
• Select and confirm item 19.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to EXTEND the right track tensioner
(tighten track) or move the control handle II REARWARD to RETRACT the
right track tensioner (loosen track).
Trolley Travel
(rotating bed mounted trolley)
• Select and confirm item 20.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to travel the trolley OUT or move the
control handle II REARWARD to travel the trolley IN.
Trolley Pins, Front
(rotating bed mounted trolley)
• Select and confirm item 21.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to ENGAGE the front trolley pins or
move the control handle II REARWARD to DISENGAGE the front trolley pins.
Trolley Pins, Rear
(rotating bed mounted trolley)
• Select and confirm item 22.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to ENGAGE the rear trolley pins or
move the control handle II REARWARD to DISENGAGE the rear trolley pins.
Boom Hinge Pins
• Select and confirm item 23.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to ENGAGE the boom hinge pins or
move the control handle II REARWARD to DISENGAGE the boom hinge
pins.
Rigging Winch (Drum 0)
• Select and confirm item 24.
• Move the control handle I in either direction to energize the function.
• Move the control handle II FORWARD to PAY OUT the rigging line or move
the control handle II REARWARD to HAUL IN the rigging line.
Table 3-15. Identification and Operation of Remote Controls
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