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Manitowoc MLC90A-1 - User Manual

Manitowoc MLC90A-1
218 pages
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Operator Manual
Manitowoc
MLC90A-1/MLC100-1

Table of Contents

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Manitowoc MLC90A-1 Specifications

General IconGeneral
EngineCummins QSB6.7
Engine Power275 hp
Engine ModelCummins QSB6.7
Luffing Jib Length30 ft (9.1 m)
Counterweight40, 000 lbs (18, 144 kg)
Maximum Lift Capacity90 US tons (81.6 metric tons)
Fixed Jib Length30 ft (9.1 m)
Maximum Load Capacity90 US tons (81.6 metric tons)

Summary

SECTION 1 INTRODUCTION

Crane Data

General data specific to the crane, including basic specifications.

Crane Weights

Information regarding the various weights of the crane and its components.

Outline Dimensions

Details on the physical dimensions of the crane.

Change of Ownership Registration

Procedure for new owners to register their crane.

Manitowoc Dealer

Guidance on locating a Manitowoc dealer for support.

Crane Identification

Information on how to identify the crane's model and serial number.

Crane Orientation

Explanation of terms like front, rear, left, and right as used in the manual.

Identification and Location of Components

Details and diagrams identifying major crane components and their locations.

English and Metric Conversions

Tables for converting between English and Metric units for various measurements.

SECTION 2 SAFETY INFORMATION

Safety Messages

Explains the importance of safety messages, symbols, and signal words used in the manual.

Safety and Information Signs

Information on maintaining and ordering safety and information signs for the crane.

Crane Access Points

Details on safe access points on the crane, including warnings about crush hazards.

Getting On or Off Crane

Procedures and warnings for safely getting on or off the crane.

Personal Fall-Protection

Emphasizes the owner's responsibility for providing fall protection equipment.

Operator Manual;Capacity Chart Storage

Guidelines for storing operator manuals and capacity charts within the crane cab.

Safe Operating Practices

General principles and responsibilities for safe crane operation and maintenance.

Operator Qualifications

Defines who is qualified to operate the crane and the owner's responsibility for training.

Operator Conduct

Rules and guidelines for operator conduct during crane operations.

Handling Load

Safe practices for handling loads, including size, attachment, and movement.

Signals

Standard hand signals and audible signals for controlling crane operations.

Safety Devices

Lists and describes the crane's safety devices and procedures if they malfunction.

Operational Aids

Describes Category 1 and Category 2 operational aids and their maintenance requirements.

Assembling, Disassembling, or Operating Crane Near Electric Power and Transmission Lines

Critical safety procedures and regulations for working near electrical hazards.

Electrical Contact

Steps to follow in case of accidental electrical contact with energized power sources.

Safe Maintenance

General principles and responsibilities for safe maintenance practices.

Boom Disassembly Safety

Critical safety precautions and procedures for disassembling boom sections to prevent collapse.

Personnel Handling Policy

Policy and regulations regarding the use of cranes for personnel lifting.

Pedestal;Barge Mounted Cranes

Safety warnings and considerations for operating cranes on barges or platforms.

Inspection of Barge-Mounted Crane

Requirements for regular inspection of barge-mounted cranes to prevent failure.

SECTION 3 OPERATING CONTROLS AND PROCEDURES

Standard Hand Signals for Controlling Crane Operations

Illustrates standard hand signals used for controlling crane operations, compliant with ASME B30.5.

Symbols Used on Control Consoles

Identifies symbols found on the crane's control consoles and their meanings.

Operating Controls

Overview of the controls and indicators located within the operator's cab.

Left Console

Description and operation of controls located on the left console in the operator's cab.

Right Console

Description and operation of controls located on the right console in the operator's cab.

Overhead Console

Details the switches and controls found on the overhead console in the cab.

Foot Pedals

Explains the function and operation of the engine foot throttle and free fall brake pedals.

Startup Procedures

Step-by-step instructions for safely starting the crane's engine and initial system checks.

Boom Hoist Operation

Detailed procedure for operating the boom hoist to raise and lower the boom.

Swing Operation

Step-by-step instructions for safely operating the crane's swing function.

Load Drum Operation-Liftcrane Full Power

Procedure for operating the load drums for lifting loads using full power.

Load Drum Operation-Liftcrane Free Fall

Detailed procedure for operating the load drums in free fall mode for specific applications.

Travel Operation

Instructions and safety precautions for traveling the crane, including turning and speed control.

Shutdown Procedure or Leaving the Crane Unattended

Steps for safely shutting down and securing the crane when leaving it unattended.

Low Clearance Travel Option

Information on configurations and limitations for traveling the crane at low clearance.

Cold Weather Operation

Precautions and limitations for operating the crane in cold weather conditions.

AC Power Supply

Procedures for installing, operating, and turning off the AC generator and power supply.

SECTION 4 SETUP AND INSTALLATION

Assembly and Disassembly Notes

Important notes and requirements for experienced personnel performing assembly and disassembly.

Handling Components

Instructions for safely handling crane components using lifting lugs and slings.

Shipping Configuration

Details the configuration of the crane for shipping, including dimensions and weights.

Self-Erect Components

Lists the components that enable the crane to assemble and disassemble itself.

Self-Erect Controls

Explains the controls for self-erect operations located on the remote control and in the cab.

Pre-Start Checks

Checks to be performed before starting the engine upon arrival at the job site.

Crane Assembly

Procedures for assembling the crane, including trailer unloading and crawler steps.

Extend Crawlers

Detailed steps for extending the crane's crawlers, including lubrication and shims.

Install Hook-and-Weight Ball

Procedure for installing the hook-and-weight ball onto the boom butt.

Assemble Boom and Jib

Procedures for assembling the boom and jib, either with the crane or an assist crane.

Install Carbody Counterweight

Steps for installing carbody counterweight, using the boom butt and chain slings.

Assemble Crane Counterweight

Procedure for assembling the crane counterweight onto the counterweight tray.

Install Crane Counterweight (continued)

Further steps for installing crane counterweight, including boom stop preparation and remote control use.

Remove Carbody Counterweight

Procedures for removing carbody counterweight, particularly for Series 2.

Disassemble Jib and Boom

Procedures for disassembling the jib and boom, with or without an assist crane.

Wire Rope Installation

Detailed instructions for installing wire rope, including specifications and storage.

Anchoring Wire Rope to Drum

Step-by-step instructions for anchoring wire rope to the hoist drums.

Winding Wire Rope onto Drum

Procedures for winding wire rope onto the drum correctly to prevent damage and ensure proper function.

Anchoring Wire Rope to Wedge Socket

Detailed instructions for anchoring wire rope to a wedge socket using specific methods.

Load Line Reeving

Information on load line reeving, including guide sheaves and dead end locations.

Load Block Tieback

Procedure for tying back the load block when not in use to prevent swinging.

Connect Boom Pendants to Equalizer

Steps to connect boom pendants to the equalizer, ensuring proper sequence.

Disconnect Boom Butt from Boom

Steps to disconnect the boom butt from the main boom, with safety warnings.

Configure RCL;RCI for Crane Setup

Steps to configure the RCL/RCI system for the crane setup.

Install Boom Top Position Light and Wind Speed Indicator (option)

Instructions for installing the optional boom top position light and wind speed indicator.

Install Boom Block-Up Limit Components

Steps for installing block-up limit components on boom points for safety.

Install Jib Bottom

Steps for installing the jib bottom onto the boom top.

Install Jib Inserts

Instructions for installing jib inserts between the jib bottom and jib top.

Install Jib Top

Procedure for installing the jib top onto the jib bottom or jib insert.

Install Jib;Backstay Pendants

Steps for installing jib and backstay pendants to connect the jib to the boom.

Raise Boom

Detailed procedure for safely raising the boom, including pre-raising checks.

Shipping Crane Components

Guidelines for securing crane components onto trailers for safe transport.

SECTION 5 LUBRICATION

Lubrication

General information and reference to detailed lubrication procedures.

Lube and Coolant Product Guide

Reference to a product guide for recommended lubricants and coolants.

SECTION 6 MAINTENANCE CHECKLIST

Inspection and Maintenance Checklist

Reference to a comprehensive checklist for inspection and maintenance tasks.

Fiberglass Maintenance

Reference to a bulletin for maintenance procedures specific to fiberglass components.

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