Manitowoc VPC-MAX MLC650 User Manual

Manitowoc Published 04-06-18, Control # 231-14 4-79
MLC650 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION
4
Performing Pre-Raising Boom Checks
NOTE: Refer to the MLC650 Luffing Jib Operator Manual
for the pre-raising checks and raising procedure
when equipped with a luffing jib.
Perform the following checks before raising the boom and
jib:
 Maintenance and lubrication checks have been
performed according to Maintenance Checklist and
Lubrication Guide.
 Crane is on a firm, level, uniformly supporting surface.
 Crawlers are blocked if required per capacity chart in
use.
 Boom hinge pins are fully engaged and secured.
 Crawler connecting pins are engaged and locking pins
installed.
 Carbody jack pads are removed and secured in storage
position.
 Carbody jacks are fully retracted and stored.
 Boom and jib inserts are installed in proper sequence
per boom and jib assembly drawings.
 Intermediate suspension insert is installed in proper
position, if required.
 Intermediate suspension pendants are secured in
proper operating position.
 All straps are unpinned from storage lugs unless they
are allowed to remain in the shipping position during
operation.
 All straps are properly pinned together. Cotter pins are
installed and spread.
 Live mast straps are properly connected to boom straps.
 Mast-assist arms are fully lowered.
 Boom hoist wire rope is spooled tightly onto boom hoist
and engaged with the proper sheaves.
 Load lines are spooled tightly onto drums and engaged
with proper sheaves.
 Load lines are securely anchored at boom and jib points
or at load block and weight ball.
 Left rear rotating bed ladder is folded in stored position
or removed.
 All tools and other items are removed from boom and jib.
 Electrical boom stop is properly installed, operational,
and adjusted to proper angle.
 Electrical cables from crane control system are
connected to cable reel in boom butt.
 Electrical cables in boom and jib are connected to
proper receptacles.
 Block-up limit control is properly installed, operational,
and adjusted.
 RCL/RCI is properly configured and operational.
 Proper capacity chart is selected on configuration
screen of RCL/RCI display.
 Operator has read and is thoroughly familiar with
selected capacity chart. Be sure to comply with the
boom raising limitations in the Maximum Boom Lengths
Lifted Unassisted table of the capacity chart.
 Wind is within allowable limits for operation as shown
under Wind Conditions in Section 3.
Raising the Boom
1. Verify that the pre-raising checks have been performed.
2. SLOWLY start to boom up.
3. If equipped with an upper boom point (see Figure 4-67
),
stop when the bottom holes in the upper boom point are
aligned with the holes in the boom top. Install the
connecting pins.
4. Continue to raise the boom until the lower and upper
boom points are at a convenient height for installing the
load block(s) and hook-and-weight ball.
5. Install the load block(s) and hook-and-weight ball at the
lower and upper boom points.

Manitowoc VPC-MAX MLC650 Specifications

General

Brand	Manitowoc
Model	VPC-MAX MLC650
Category	Construction Equipment
Language	English