Manitowoc MLC165-1 User Manual

Manitowoc Published 08-06-19, Control # 237-09_v2 4-51
MLC165-1 OPERATOR MANUAL SETUP AND INSTALLATION
4
RAISE BOOM
NOTE Refer to the MLC165 Luffing Jib Operator Manual
for the pre-raising checks and raising procedure
when equipped with a luffing jib.
Pre-Raising Checks
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 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 pinned in crane
working position.
 Boom and jib inserts are installed in proper sequence
per boom and jib assembly drawings.
 Intermediate suspension strut is installed, if required.
 All straps are unpinned from storage lugs.
 All straps are properly pinned together. Cotter pins are
installed and spread.
 Mast links 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 to socket and wedge
at boom and jib points or at load block and weight ball.
 Boom ladders are secured in their storage locations.
 All tools and other items are removed from boom and jib.
 Electrical boom stop is properly installed, operational,
and adjusted to proper angle.
 Electric cables from crane control system are connected
to cable reel in boom butt.
 Electric cables in boom and jib are connected to proper
receptacles on junction boxes.
 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. Consult the selected capacity
chart for applicable deducts and boom length
raising limitations.
 Wind is within allowable limits for operation as shown in
Wind Conditions document located at end of Section 3.
Boom Raising Procedure
1. Verify that the pre-raising checks have been performed.
2. SLOWLY start to boom up:
a. Have an assistant watch the boom straps as the
boom rises.
Signal the operator to STOP raising the boom if the
straps get caught on the brackets, pins, or timber
guards. Correct the problem before continuing.
b. If equipped with intermediate suspension (see
Figure 4-42
):
- Boom up just enough to loosen the hitch pins
(1, View B) and remove the hitch pins.
- Have an assistant watch the straps and the
intermediate suspension strut as the boom
rises.
- Signal the operator to STOP raising the boom if
the straps get caught on the brackets, pins, or
timber guards. Correct the problem before
continuing.
- Signal the operator to STOP raising the boom if
the outer strut frame (2) stops rising. Correct
the problem before continuing.
- Continue to boom up slowly. The outer strut
frame (2) will rise.
- Stop when the outer strut frame is positioned
over the correct holes (A or B, View C) in the
inner strut frame (3).
- Install the hitch pins (1, View C) in the holes (A
or B) depending on the boom length in use.
- Remove the hitch pins (4, View C) and continue
to boom up. The outer and inner strut frames
will rise.
- Signal the operator to STOP raising the boom if
struts stop rising. Correct the problem before
continuing.
- Stop when the holes in the inner strut frame (3,
View D) line up with the holes in the brackets (5)
and the install hitch pins (4).
Continued on the next page.

Manitowoc MLC165-1 Specifications

General

Brand	Manitowoc
Model	MLC165-1
Category	Construction Equipment
Language	English