Manitowoc 2250 User Manual

Reference Only
Manitowoc Published 06-24-16, Control # 241-01 3-21
2250 OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
3
• The drum 1 and drum 2 control handles control the main
and auxiliary drums regardless of the auxiliary mode.
• The Boom Max Up and Mast 80° operating limit faults
are disabled.
• The Luffing Jib Angle Sender fault is disabled.
• The Boom Too High and Jib Too Low portions of the
RCL/RCI Operating Limit fault are disabled.
• MAX-ER 2000 drum 9 is disabled.
• On CE cranes, lowering speed limitations for drums 2
and 5 are disabled (if applicable).
Luffing Jib Setup
The Luffing Jib Setup mode allows the limits listed in Table 3-
2 to be bypassed with the limit bypass switch (E5).
Auxiliary Modes
FFALL
This allows the desired load drum (1, 2, or 3) to be operated
in Free Fall.
When selecting Free Fall, drum numbers appear on the
digital display as follows:
• DRUM 1 FFALL
• DRUM 2 FFALL
• DRUM 3 FFALL
For MAX-ER 2000, drum 2 (boom hoist) cannot be operated
in Free Fall.
To turn on Free Fall for the desired load drum, proceed as
follows.
NOTE: The following example is for drum 1. The process is
the same for the other drums.
1. Bring drum 1 to a complete stop.
2. Press the drum working brake pedal fully. Free Fall
cannot be turned on until this step is performed.
3. Turn the mode selector key clockwise and hold it until
DRUM 1 FFALL OFF appears on the digital display.
4. Turn the mode selector key counterclockwise to confirm
Free Fall.
5. DRUM 1 FFALL ON will appear on the digital display,
and the Drum 1 Free Fall light will glow yellow.
To turn off Free Fall for the desired load drum, proceed as
follows.
NOTE: The following example is for drum 1. The process is
the same for the other drums.
1. Press the drum working brake pedal fully to bring drum 1
to a complete stop.
2. Turn the mode selector key clockwise and hold it until
DRUM 1 FFALL ON appears on the digital display.
3. Turn the mode selector key counterclockwise to confirm
Free Fall.
4. DRUM 1 FFALL will appear on the digital display (ON
will disappear), and the Drum 1 Free Fall light will turn
off.
NOTE: When Free Fall is off, the corresponding load drum
operates in full power. See G—Load Drum
Controls on page 3-26 for a description of full
power operation.
MAX-ER
See MAX-ER Operation Guide for operating instructions
when equipped with the MAX-ER attachment.
DANGER
Falling Boom Hazard!
Avoid death or serious injury.The boom will fall
uncontrolled if the following precaution is not followed. For
the MAX-ER 2000, do not switch drum 2 (boom hoist) to
Free Fall.

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English