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Varco HT-Tong HT14 - User Manual

Varco HT-Tong HT14
56 pages
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Revision -, October 2003
Rev A, December 2004
HT-Tong
User's Manual
HT-Tong
User's Manual
pn 50006190

Table of Contents

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Summary

General Information

How to use this manual

Explains manual navigation, structure, and symbol usage for efficient user guidance.

Special information

Covers limitations on procedures, safety warnings, and updates, emphasizing user responsibility for safety.

Intended audience

Identifies the target users for this manual, including field engineering, installation, and repair personnel.

Conventions

Explains the use of notes, cautions, and warnings to convey additional information and advise on safety.

Illustrations

Describes the function of illustrations in identifying components, screen snapshots, and nomenclature.

Safety Requirements

Emphasizes the importance of proper maintenance for safe and reliable operation in hazardous environments.

General System Safety Practices

Outlines essential safety guidelines for equipment installation, maintenance, and operations.

Personnel Training

Stresses the necessity of trained personnel for safe operation, installation, and maintenance of equipment.

Recommended Tools

Recommends using specified tools for service operations to ensure safety and prevent damage.

Replacing Components

Advises on proper component tagging, labeling, and using only certified parts during replacement.

Routine Maintenance

Highlights the necessity of regular equipment upkeep as per manual recommendations for optimal performance.

Proper Use of Equipment

Guides users to operate the equipment strictly for its intended functions and applications.

Identification numbers

Informs users where to locate the tool's serial number, typically stamped on the lever.

Warning plates

Mandates the presence and timely replacement of warning plates for critical safety compliance.

Lifting

Advises careful observation and adherence to manual procedures during lifting operations.

HT-Tong restrictions

Defines the HT-Tong's specific application and prohibits its use for any other purpose.

Limited warranty

Outlines conditions that will void the warranty, such as unauthorized modifications or improper servicing.

Design standard

States compliance with industry standards like API-7K and relevant directives for machinery.

Specifications

General specifications

Provides a comprehensive overview of the HT-Tong's design, types, and capabilities.

Specifications, requirements & sizes

Details the specific types, torque capacities, and size ranges covered by the HT-Tong.

General description

Describes the HT-Tong's function in making up and breaking out tubular connections in various applications.

Part numbers, ratings & weights

Lists part numbers, torque ratings, and weight specifications for different HT-Tong models.

Maintenance

Lubrication and maintenance

Provides essential guidelines for lubricating and maintaining the HT-Tong for optimal performance and longevity.

Recommended General Purpose EP grease

Lists recommended grease types for use in various temperature conditions to ensure proper lubrication.

Inspection

Details the procedures for inspecting the HT-Tong to ensure its operational integrity and safety.

Daily inspection schedule (when HT-Tong is in use)

Outlines daily checks covering exterior condition, part security, pins, and dies for immediate issue identification.

6 Monthly inspection schedule (when HT-Tong is in use)

Specifies periodic inspection requirements, including Magnetic Particle Inspection (MPI) for detecting flaws.

Magnetic Particle Inspection

Explains the process of MPI for detecting surface and near-surface discontinuities in critical components.

Acceptance criteria for MPI

Defines the permissible levels of discontinuities in critical and non-critical areas based on MPI results.

Tests

Describes the critical tests performed to verify the HT-Tong's performance and safety after manufacture or repair.

Torque test

Details the torque testing procedure conducted to confirm the tong meets its rated capacity.

Maximum allowable wear to maintain 100% torque rating

Specifies maximum clearance limits for key dimensions to ensure the tong maintains its full torque capacity.

Shop repairs

Covers procedures and guidelines for carrying out repairs within a workshop environment.

Changing dies;inserts

Provides step-by-step instructions for the safe and correct replacement of dies or inserts.

Installation and commissioning

General procedure

Outlines the fundamental steps for properly installing and commissioning the HT Tong on site.

Operations

Changing size components

Details the process of changing components to adjust the tong for different pipe sizes.

Changing dies;inserts

Provides instructions for changing the dies or inserts, including safety precautions.

Lug jaw removal for changing sizes

Explains the procedure for removing and replacing lug jaws to accommodate different pipe diameters.

Applying make up torque

Explains how to correctly apply make-up torque, including calculations and measurement notes.

Direction of pulling

Illustrates the correct directional force application for make-up (MU) and break-out (BO) operations.

Assembly and dis-assembly

Head assembly procedure

Details the steps involved in assembling the main head of the HT Tong.

Disassembly of the hanger and lever assembly

Outlines the procedure for safely taking apart the hanger and lever components.

Trouble shooting

Overview possible problems

Presents a table of common issues, their potential causes, and recommended solutions for troubleshooting.

Appendixes

Summary of risk assessment

Lists identified potential hazards, points of failure, and their resulting consequences for operational safety.

General conclusions

Summarizes key operational conclusions and best practices for safe and effective tong usage.

Torque values (US) for bolts

Provides US customary torque specifications for various bolt sizes, thread types, and lubrication conditions.

Torque values (metric) for bolts

Provides metric torque specifications for various bolt sizes, thread types, and lubrication conditions.

Drawings and Parts Break Down

Added parts jaw assemblies

Details specific components for jaw assemblies not covered in general exploded views.

HT-14 additional parts

Lists additional parts for the HT-14 model, including quantity, name, and part number.

HT-35 additional parts

Lists additional parts for the HT-35 model, including quantity, name, and part number.

HT-55 additional parts

Lists additional parts for the HT-55 model, including quantity, name, and part number.

HT-65 additional parts

Lists additional parts for the HT-65 model, including quantity, name, and part number.

HT-100 additional parts

Lists additional parts for the HT-100 model, including quantity, name, and part number.

HT-200 additional parts

Lists additional parts for the HT-200 model, including quantity, name, and part number.

Parts list HT 14 manual tong

Provides a detailed parts list for the HT 14 manual tong, including item, quantity, description, and part number.

Exploded view HT-14

Shows a visual breakdown of HT-14 components with numbered references for easy identification.

Parts list HT 35 manual tong

Provides a detailed parts list for the HT 35 manual tong, including item, quantity, description, and part number.

Exploded view HT-35

Shows a visual breakdown of HT-35 components with numbered references for easy identification.

Parts list HT 55 manual tong

Provides a detailed parts list for the HT 55 manual tong, including item, quantity, description, and part number.

Exploded view HT55

Shows a visual breakdown of HT55 components with numbered references for easy identification.

Parts list HT 65 manual tong

Provides a detailed parts list for the HT 65 manual tong, including item, quantity, description, and part number.

Exploded view HT-65

Shows a visual breakdown of HT-65 components with numbered references for easy identification.

Parts list HT100 manual tong

Provides a detailed parts list for the HT100 manual tong, including item, quantity, description, and part number.

Exploded view HT-100

Shows a visual breakdown of HT-100 components with numbered references for easy identification.

Parts list HT 200 manual tong

Provides a detailed parts list for the HT 200 manual tong, including item, quantity, description, and part number.

Exploded view HT-200

Shows a visual breakdown of HT-200 components with numbered references for easy identification.

Parts list HT 50 casing head assemblies

Lists parts for HT 50 casing head assemblies, organized by figure and part number.

Casing head assemblies overview

Provides an overview and diagrams of various casing head assembly configurations and their components.

Critical area drawings

Displays detailed drawings highlighting critical areas of components and their associated part numbers.

Varco HT-Tong HT14 Specifications

General IconGeneral
BrandVarco
ModelHT-Tong HT14
CategoryDrill
LanguageEnglish

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