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Manitowoc National Crane NBT60L User Manual

Manitowoc National Crane NBT60L
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NATIONAL CRANE Published 09-06-2019 Control # 691-01 2-1
NBT60L OPERATOR MANUAL SAFETY PRECAUTIONS
2
SECTION 2
SAFETY PRECAUTIONS
SECTION CONTENTS
Safety Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Safety Alert Symbol . . . . . . . . . . . . . . . . . . . . . . . 2-2
Signal Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Accidents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Operator Information . . . . . . . . . . . . . . . . . . . . . . . 2-2
Operator Qualifications . . . . . . . . . . . . . . . . . . . . . 2-3
Operational Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Rated Capacity Limiter (RCL) Systems . . . . . . . . 2-4
Anti-Two-Blocking Device. . . . . . . . . . . . . . . . . . . 2-5
Working Area Limiter (If Equipped). . . . . . . . . . . . 2-5
Equipment Stability/Structural Strength . . . . . . . 2-5
Load Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Work Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Wind Forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Wind Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Lifting Operations . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Counterweight. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Outrigger Lift Off . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Multiple Equipment Lifts . . . . . . . . . . . . . . . . . . . 2-19
Tilt-Up Panel Lifting . . . . . . . . . . . . . . . . . . . . . . 2-20
Pile Driving and Extracting . . . . . . . . . . . . . . . . . 2-20
Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Equipment Inspection . . . . . . . . . . . . . . . . . . . . . 2-21
Electrocution Hazard . . . . . . . . . . . . . . . . . . . . . . 2-21
Set-Up and Operation . . . . . . . . . . . . . . . . . . . . . 2-22
Electrocution Hazard Devices. . . . . . . . . . . . . . . 2-23
Electrical Contact . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Special Operating Conditions and
Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Grounding the Equipment. . . . . . . . . . . . . . . . . . 2-24
Personnel Handling . . . . . . . . . . . . . . . . . . . . . . . 2-24
Environmental Protection. . . . . . . . . . . . . . . . . . . 2-26
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
Service and Repairs . . . . . . . . . . . . . . . . . . . . . . 2-26
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
Tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
Hoist Rope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Synthetic Hoist Rope . . . . . . . . . . . . . . . . . . . . . . 2-28
Wire Rope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Sheaves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Batteries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Transporting the equipment. . . . . . . . . . . . . . . . . 2-30
Travel Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Work Practices. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Personal Considerations . . . . . . . . . . . . . . . . . . . 2-31
Equipment Access . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Job Preparation . . . . . . . . . . . . . . . . . . . . . . . .
. . 2-32
Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
Lifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
Hand Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Jib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Parking and Securing . . . . . . . . . . . . . . . . . . . . . . 2-36
Shut-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36
Cold Weather Operation . . . . . . . . . . . . . . . . . . . . 2-36
Temperature Effects on Hook Blocks . . . . . . . . . 2-36
Temperature Effects on Hydraulic
Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36
Model Specific Information. . . . . . . . . . . . . . . . . . 2-38
Overload Inspection . . . . . . . . . . . . . . . . . . . . . . . 2-38
Boom Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 2-39
Superstructure Inspection . . . . . . . . . . . . . . . . . . 2-41
Carrier Inspection . . . . . . . . . . . . . . . . . . . . . . . . 2-43
SAFETY MESSAGES
General
The importance of safe operation and maintenance cannot
be overemphasized. Carelessness or neglect on the part of
operators, job supervisors and planners, rigging personnel,
and job site workers can result in their death or injury and
costly damage to the equipment and property.
To alert personnel to hazardous operating practices and
maintenance procedures, safety messages are used
throughout the manual. Each safety message contains a

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Manitowoc National Crane NBT60L Specifications

General IconGeneral
BrandManitowoc
ModelNational Crane NBT60L
CategoryConstruction Equipment
LanguageEnglish

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