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MLC90A-1
Manitowoc MLC90A-1 User Manual
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SETUP AND INST
ALLATION
MLC90A
-1/MLC100-1 OPERATOR MANUAL
4-56
Published 12-10-19, Control # 258-05
Figure
4-38
Item
Description
1J
i
b
B
o
t
t
o
m
2
Boom
Top
3
Jib
Insert (if
equipped)
4J
i
b
S
t
r
u
t
5
Jib
Top Pendant
(Qty
2)
6L
i
n
k
(
Q
t
y
2
)
7
Pin
with Cotter
P
in
(Qty 1
or
2 each
pendant)
8
Jib
Insert Penda
nt (Qty
2
or 4
if i
nstalled)
9L
i
n
k
(
Q
t
y
2
)
10
Backstay
Pendant (Qty
2)
11
Link (
Qty 2)
12
Whip Line
(Drum 1)
13
Strut
Raising
Arm
14
Button Sock
et
15
Pin with
Cotter
Pin
16
Rope Guide
Pin with
Safety
Pin
View
A
View
C
View
D
View
E
View F
View G
View B
165
167
Table of Contents
Default Chapter
5
Table of Contents
5
Section 1
13
Crane Data
13
Crane Weights
13
Outline Dimensions
13
Change of Ownership Registration
13
Manitowoc Dealer
13
Crane Identification
13
Crane Orientation
13
Identification and Location of Components
14
English and Metric Conversions
16
Direct Conversion
16
Inverse Conversion
16
Section 2
19
Continuous Innovation
21
Nameplates and Decals
21
Safety Messages
21
General
21
Safety Alert Symbol
21
Signal Words
21
Symbol Identification
21
Safety and Information Signs
23
Maintaining Signs
23
Ordering Signs
23
Crane Access Points
25
General
25
Getting on or off Crane
25
Personal Fall-Protection
25
Operator Manual/Capacity Chart Storage
26
General
26
Storing Manuals
26
Safe Operating Practices
27
General
27
Read Operator Manual
27
Operator Qualifications
27
Operator Conduct
27
Handling Load
29
Size of Load
29
Attaching Load
29
Lifting/Moving Load
30
Multiple Load Line Operation
31
Signals
32
Holding Load
32
Safety Devices
33
Operational Aids
33
Category 1 Operational Aids
33
Category 2 Operational Aids
34
Assembling, Disassembling, or Operating Crane Near Electric Power and Transmission Lines
35
Electrocution Hazard
35
Set-Up and Operation
35
Electrocution Hazard Devices
36
Electrical Contact
36
Refueling
37
Fire Extinguishers
37
Accidents
37
Safe Maintenance
37
Maintenance Instructions
37
Safe Maintenance Practices
37
Environmental Protection
39
Boom Disassembly Safety
41
General
41
Location
41
Pin Removal
41
Disassembly Precaution
41
Personnel Handling Policy
42
Pedestal/Barge Mounted Cranes
43
Pedestal Mounted Crane
44
Barge Mounted Crane
44
Definition
44
Examples
44
Capacity Charts for Barge Mounted Crane
45
Shock Loading Caused by Barge Dynamics
45
Operation on Barge
45
Barge Mount Definitions
46
Inspection of Barge-Mounted Crane
46
Transporting Crane on Barge
46
Section 3
47
Standard Hand Signals for Controlling Crane Operations
50
Symbols Used on Control Consoles
52
Operating Controls
56
Left Console
60
Right Console
62
Overhead Console
68
Foot Pedals
71
Seat Controls
72
Other Operation Aids
73
Boom Angle Indicator
73
Crane Capacity Beacon (Optional)
73
Crane Level
73
Swing and Travel Alarm
73
Battery Disconnect Switch
74
Crane Cameras
75
Crane Camera Monitor
76
Remote Control
77
Operating Limits Identification
79
Cab Window Operation
81
Opening Windows for Ventilation
81
Exiting Cab in Emergency
81
Operating in Wind
81
Crawler Blocking
82
Preparing Crane for Operation
82
Startup Procedures
83
Operating Procedures
85
Boom Hoist Operation
85
Swing Operation
86
Load Drum Operation-Liftcrane Full Power
88
Load Drum Operation-Liftcrane Free Fall
89
Free Fall Drum Slip and Pedal Response
90
Load Drum Operation-Clamshell
91
Preparing for Clamshell Operation
91
Clamshell Operation in Full-Power
91
Travel Operation
92
Shutdown Procedure or Leaving the Crane Unattended
94
Low Clearance Travel Option
94
Low Clearance Travel Boom Configurations
94
Low Clearance Travel Limitations
94
Fully Rigged Boom
94
Cantilevered Boom Inserts
94
Preparing Fully Rigged Boom for Low Clearance Travel
96
Returning Gantry to Normal Operating Position
96
Preparing Cantilevered Boom Inserts for Low Clearance Travel
98
Returning Gantry to Normal Operating Position
98
Cold Weather Operation
100
Crane Limitations
100
Wire Rope
100
Cold Weather Starting Aid
100
Cooling System
100
Batteries
100
Engine Oil, Gear Oil, and Hydraulic Oil
100
AC Power Supply
102
Generator Installation/Removal
102
Turning AC Power on
102
Turning AC Power off
102
Work Lights
102
Cold Weather Heaters
104
Fuses and Circuit Breakers
106
Boom and Jib Assembly Drawings
111
Liftcrane Boom Butt Capacities
111
Crane Orientation
111
Accessing Parts
111
Assembly and Disassembly Notes
111
Assembly and Disassembly Area
112
Handling Components
112
Retaining Connecting Pins
112
Crane Weights and Shipping Data
112
Parts Storage
112
Parts Box
112
Position Light and Anemometer Option
112
Lifting Sling
113
Shipping Configuration
115
Self-Erect Components
115
Self-Erect Controls
116
Pin and Connecting Hole Cleanliness
117
Electric Cable Cleanliness
117
Connecting/Disconnecting Hydraulic Hoses and Electric Cables
117
Pre-Start Checks
117
Deploy the Crane Platforms as Necessary to Gain Access to Components
117
Engine
117
Gear Boxes
117
Hydraulic System
117
Crane Assembly
119
Prepare Trailer for Unloading
119
Deploy Crawler Steps
119
Deploy Crane Platforms
119
Prepare Cab
121
Raise Handrails
123
Start Engine
125
Configure RCL/RCI for Crane Setup
125
Raise Gantry
125
Travel Crane off Trailer
125
Extend Crawlers
127
Install Hook-And-Weight Ball
129
Unload Trailers
129
Assemble Boom and Jib
133
Install Carbody Counterweight
133
Assemble Crane Counterweight
135
Activate Remote Control
137
Install Crane Counterweight
137
Install Crane Counterweight (Continued)
139
Remove Hook-And-Weight Ball
143
Connect Boom Butt to Boom
143
Connect Boom Pendants to Equalizer
145
Disconnect Equalizer from Boom Butt
145
Configure RCL/RCI for Crane Operation
145
Connect Boom Butt to Boom Top Electric Cables
147
Install Boom Top Position Light and Wind Speed Indicator (Option)
149
Install Boom Top Camera (Option)
149
Install Boom Block-Up Limit Components
149
Install Jib Top Position Light and Wind Speed Indicator (Option)
151
Install Jib Top Camera (Option)
151
Connect Jib Extension Cable
151
Install Jib Block-Up Limit Components
151
Deactivating/Activating a Block-Up Limit Switch
153
Install Load Lines
155
Section 4
111
Boom and Jib Rigging - General
156
Blocked Crawlers
156
Boom Handling
156
Rigging Drawings
156
Identifying Boom and Jib Components
156
Handling Boom and Jib Sections
157
Boom #290 Assembly
159
Assemble Boom Inserts
159
Connect Boom Top to Inserts
159
Install Boom Pendants
160
Install Intermediate Suspension Pendants
161
Install Upper Boom Point
161
Install Optional Rope Guard
163
Install Tagline
163
Complete Boom/Crane Assembly
163
Jib #117 Assembly
165
Prepare Boom
165
Install Jib Bottom
165
Install Jib Inserts
165
Install Jib Top
165
Install Jib/Backstay Pendants
167
Prepare to Raise Jib Strut
167
Deploy Strut Raising Arm
167
Raise Jib Strut
169
Deploy Strut Stops
169
Complete Jib Rigging
169
Raise Boom
170
Pre-Raising Checks
170
Boom Raising Procedure
170
Shipping Crane Components
171
Crane Disassembly
173
Prepare Crane
173
Lower Boom
173
Store Load Lines
173
Remove Boom/Jib Point Electronics
173
Store Strut Stops
175
Deploy Strut Raising Arm
175
Lower Jib Strut
175
Connect Equalizer to Boom Butt
177
Open Boom
179
Disconnect Boom Pendants from Equalizer
181
Disconnect Boom Butt from Boom
181
Install Hook-And-Weight Ball
181
Configure RCL/RCI for Crane Setup
181
Remove Crane Counterweight
183
Remove Crane Counterweight (Continued)
185
Disassemble Crane Counterweight
185
Remove Carbody Counterweight
187
Disassemble Jib and Boom
187
Load Trailers
189
Remove Hook-And-Weight Ball
189
Retract Crawlers
191
Prepare Trailer for Loading
193
Travel Crane Onto Trailer
193
Lower Gantry
193
Secure Operator Cab
194
Lower Handrails
194
Store Crane Platforms
194
Store Crawler Steps
194
Prepare Trailer for Travel
194
Boom #290 Disassembly
194
Jib #117 Disassembly
195
Wire Rope Installation
196
Wire Rope Specifications
196
Wire Rope Storage
196
Seizing and Cutting Wire Rope
196
Anchoring Wire Rope to Drum
196
Winding Wire Rope Onto Drum
198
Anchoring Wire Rope to Wedge Socket
201
Anchoring Wire Rope to Button Socket
203
Pad Eye Usage for Wire Rope Reeving
203
Breaking in Wire Rope
203
Load Line Reeving
205
Guide Sheaves and Drums
205
Dead End Location
205
Load Block Identification
205
Wire Rope Specifications
205
Load Block Reeving
205
Load Block Tieback
206
General
206
Specifications
206
Section 5
207
Lubrication
207
Lube and Coolant Product Guide
209
Section 6
213
Inspection and Maintenance Checklist
213
Fiberglass Maintenance
213
5
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Manitowoc MLC90A-1 Specifications
General
Brand
Manitowoc
Model
MLC90A-1
Category
Construction Equipment
Language
English
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