Manitowoc 2250 User Manual

Reference Only
OPERATING CONTROLS AND PROCEDURES 2250 OPERATOR MANUAL
3-58
Published 06-24-16, Control # 241-01
* = Optional
* RATED CAPACITY LIMIT If equipped with shutdown option,
corresponding load drum stops hoisting and
boom hoist stops lowering. Other load drums
are inoperable.
If not equipped with shutdown option,
operating limit light and buzzer will come on
to alert operator to overload condition.
Land load on corresponding load drum
or raise boom.
CRANE OUT OF LEVEL All functions operable. Crane 3° out of level. Level crane.
* LUFFING JIB MAX UP 1 Luffing jib stops rising when boom-to-jib angle
is 168°. This angle can be bypassed to allow
luffing jib to be raised to LUFFING JIB MAX
UP 2.
Lower luffing jib.
* LUFFING JIB MAX UP 2 Luffing jib stops rising when boom-to-luffing
jib angle is 170° on #133 or #133A luffing jib
(169.2° on #44 luffing jib). This limit can be
bypassed only when boom is below 50°.
Lower luffing jib.
* LUFFING JIB MAX DOWN Luffing jib stops lowering when boom-to-jib
angle is 60° on #133 or #133A luffing jib (70°
on #44 luffing jib).
Raise luffing jib.
* LUFFING JIB MAX DOWN 1 Luffing jib stops lowering when boom-to-jib
angle is 63° on #133 or #133A luffing jib (73°
on #44 luffing jib).
Raise luffing jib.
* LUFFING JIB MAX DOWN 2 Luffing jib stops lowering when boom-to-jib
angle is 60° on #133 or #133A luffing jib (70°
on #44 luffing jib).
Raise luffing jib.
EQUALIZER BOOM STOP Boom hoist stops hoisting when equalizer is
pulled back against stops on gantry and when
physical boom stops are within 25 mm (1 in)
of bottoming out.
Pay out (lower) boom hoist wire rope.
SETUP MODE ENGAGED All functions operable. For crane setup only,
travel operates at 1/2 speed, and automatic
boom stop is disabled.
Turn off setup selector. (Select and
confirm desired operating mode.)
* JIB BELOW HORIZONTAL Luffing jib is operable. See capacity chart for
luffing jib minimum operating angles.
Raise luffing jib above horizontal.
* CTWT OFF RING Alert only. Does not stop boom hoist or load
drum operation.
Crane’s capacity has been exceeded.
Stop lowering boom or hoisting load
immediately. Land the load slowly.
CONFIRM MODE Load drums inoperable until mode in effect is
confirmed or another mode is selected and
confirmed.
Confirm mode in effect or select and
confirm a different mode.
RCL OVERRIDE Alert only. Does not stop operation. Indicates
that external override switch is on for rated
capacity limiter (RCL) (crane meeting CE
requirements).
Turn off external override switch as
soon as possible.
DRUM AIR VALVES Selected drum air pressure switch is open for
more than four seconds.
Brakes and clutches of all drums on
main shaft are applied. Fault cannot be
cleared until crane is shut down and
restarted.
Display Reading Function Response Corrective Action

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English