Manitowoc 2250 Service And Maintenance Manual

Reference Only
ELECTRIC SYSTEM 2250 SERVICE/MAINTENANCE MANUAL
3-42
Published 11-06-15, Control # 040-13
Table 3-3
Operating Limits
Listed below are the limits which turn on the operating limit alert (yellow light and continuous buzzer) in the operator’s cab.
When the alert comes on, scroll to the OPERATING LIMIT group of the digital display will determine which limit has been
reached; take corrective action.
Display Reading Function Response Corrective Action
FUNCTION PARKED Function inoperable because it is parked. Turn corresponding park switch off or sit
down in operator’s seat.
BLOCK UP Load drum stops hoisting and boom hoist
stops lowering.
Lower load or raise boom.
* MAXIMUM BAIL Load on corresponding drum stops hoisting. Lower load.
* MINIMUM BAIL Load on corresponding drum stops lowering. Hoist load.
* PAWL IN [1] Corresponding drum does not lower or stops
lowering.
Disengage pawl. It may be necessary to
hoist slightly before pawl will disengage.
PAWL OUT [1]
or
FUNCTION NOT PARKED [2]
For standard crane equipped with luffing jib
(Drum 5), boom hoist (Drum 4) cannot be
operated until luffing hoist pawl is engaged or
luffing hoist is parked, and vice versa.
Engage corresponding pawl or park
corresponding drum.
FUNCTION NOT PARKED [2] For MAX-ER 2000:
Drum 2 cannot be operated until Drum 3 is
parked, and vice versa.
Drum 9 cannot be operated until Travel is
parked, and vice versa.
Drum 4 cannot be operated until Drum 5 is
parked, and vice versa.
Park corresponding drum.
BOOM MAXIMUM UP [3] Boom stops hoisting when maximum limit is
reached.
Lower boom.
BOOM MAXIMUM DOWN Boom stops lowering (limit usually set at 0°). Raise boom.
* MAST MAXIMUM UP Mast stops hoisting 80°. Operable only in
standard mode. (MAX-ER 2000 only).
Lower boom. To raise mast above limit,
switch to standard set-up mode to
bypass limit.
* LOAD MOMENT 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°. On current production units this angle
can be bypassed to allow jib raising to
LUFFING JIB MAX UP 2 limit at 170° on #133
or 133A luffing jib (169.2° on #44 luffing jib).
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.

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English