Manitowoc 2250 User Manual

Reference Only
Manitowoc Published 06-24-16, Control # 241-01 4-37
2250 OPERATOR MANUAL SETUP AND INSTALLATION
4
PRE-RAISING CHECKS
Perform the following checks and correct any defects before
raising the boom:
o Crane is on firm, level surface
o All connecting pins are installed and properly retained
o Boom and jib inserts are installed in the proper
sequence per the rigging drawing
o Boom and jib straps and pendants are installed in the
proper sequence per the rigging drawing
o Intermediate suspension (if required) is installed
o All insert, strap, and pendant connector pins are
installed and properly retained
o Load lines are spooled tightly onto the drums and
engaged with the proper sheaves. Load lines are
securely anchored to the wedge sockets at the boom
and jib point or at the load block and weight ball.
o All blocking, tools, and other items are removed from the
boom and jib
o Electronic boom angle indicator is properly installed and
adjusted
o Automatic boom stop is properly installed and adjusted
o Block-up limit control is properly installed and
operational
o Load indicator is properly installed and operational
o Crane and attachment are properly lubricated
o Crawlers are blocked if required per the capacity chart,
or the outriggers are extended and the carrier is level
o Wind is within the allowable limits for operation
CRANE DISASSEMBLY WITH SELF-ERECT
It is the crane owner/user’s responsibility to ensure that the
crane components are properly loaded and secured to the
transport trailers. Shipping Crane Components on page 4-4
and Component Weights on page 4-5, for the trailer loading
requirements.
Disconnect Boom Butt from Boom
See Boom Rigging Guide (#44 HL and LR) on page 4-72 for
the procedure to disconnect the boom from the boom butt.
Install Assembly Block
1. Reeve the load line from the top of the rear, right rear, or
left rear drum over the upper guide sheave and
appropriate lower guide sheave in the upper boom butt
(Figure 4-16
, View A or B).
2. Reeve the load line through the assembly block.
3. Anchor the load line to the appropriate dead-end lug
(Figure 4-16
, View C or D). Use a dead-end socket and
wedge for the 29 mm (1-1/8 in) load line.
Remove Counterweight and Disassemble
Boom
Once the boom is removed from the boom butt and the
assembly block is installed, the crane can be used in the
setup configuration. See Figure 4-21
for the following
procedures:
• Remove and disassemble the counterweights. See
Counterweight Installation and Removal on page 4-57
for counterweight removal and disassembly instructions.
• Disassemble the boom. See Boom Rigging Guide (#44
HL and LR) on page 4-72 for boom disassembly
instructions.
Install Carbody Pedestals
NOTE: Only use the rear jacks when installing the
pedestals.
1. Swing the rotating bed over the first crawler.
2. Swing the operator’s cab away from the front jack
(Figure 4-10
).
DANGER
Tipping Hazard!
The crane can tip or the boom butt can collapse if the
capacity is exceeded. Avoid possible injury. Do not
exceed the maximum lifting capacity and radius given in
Figure 4-21
.
WARNING
Equipment Hazard!
Avoid possible death, serious injury, or damage to the
boom rigging. Hoisting the block higher than specified can
result in damage to the wire rope and sheaves. Do not
exceed the minimum block distance given in Figure 4-21
.
WARNING
Moving Part Hazard!
Avoid serious crushing injury. Warn all personnel to stand
clear of the jacks.
Tipping Hazard!
Avoid tipping the crane over. Keep the crane level while
jacking.

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English