142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000} Caterpillar


142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}

Usage:

769C 01X


Caterpillar Products: All

Introduction

European Union Compliant, CE Marked

Important Safety Information




Illustration 1g02139237

Think Safety

Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.

Improper operation, lubrication, maintenance, or repair of this product can be dangerous and could result in injury or death.

Do not operate or perform any lubrication, maintenance, or repair on this product until you have read and understood the operation, lubrication, maintenance, and repair information.

Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.

The hazards are identified by the Safety Alert Symbol and followed by a Signal Word such as "DANGER","WARNING", or "CAUTION". The Safety Alert "WARNING" label is shown below.

A non-exhaustive list of operations that may cause product damage are identified by "NOTICE" labels on the product and in this publication.

Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The warnings in this publication and on the product are therefore, not all inclusive. If a tool, procedure, work method, or operating technique that is not recommended by Caterpillar is used, the operator must be sure that the procedures are safe. The operator must also be sure that the product will not be damaged or made unsafe by any unspecified procedures.

The information, specifications, and illustrations in this publication are based on information that was available at the time that the publication was written. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete and most current information before you start any job.

When replacement parts are required for this product, Caterpillar recommends using Cat replacement parts or parts with equivalent specifications including, but not limited to physical dimensions, type, strength, and material.

Literature Information

This manual contains safety information, operation instructions and maintenance information and should be stored with the tool group.

Some photographs or illustrations in this publication may show details that can be different from your service tool. Guards and covers might have been removed for illustrative purposes.

Continuing improvement and advancement of product design might have caused changes to your service tool, which are not included in this publication.

Whenever a question arises regarding your service tool or this publication, consult Dealer Service Tools (DST) for the latest available information.

Safety Section

The Safety Section lists basic safety precautions.

Read and understand the basic precautions listed in the Safety Section before operating or performing maintenance and repair on this service tool.

General Information Section

The General Information Section describes tooling functions and features. This section provides useful information on individual parts, additional tooling, and resources.

Operation Section

The Operation Section is a reference for the new operator and a refresher for the experienced operator.

Photographs and illustrations guide the operator through correct procedures for using the tool group.

Operating techniques outlined in this publication are basic. Skill and techniques develop as the operator gains knowledge of the service tool and tool capabilities.

Maintenance Section

The Maintenance Section is a guide to tool inspection, cleaning, storage, and tool disposal.

Safety Section

General Hazard




Illustration 2g00702020

Information

Wear a hard hat, protective glasses, and other protective equipment, as required. Do not wear loose clothing or jewelry that can snag on controls or on other parts of the equipment. Make sure that all protective guards and all covers are secured in place on the equipment.

Know the appropriate work site hand signals and the personnel that are authorized to give the hand signals. Accept hand signals from one person only.

Obey all local regulations for the disposal of liquids.

Do not allow unauthorized personnel on the equipment.

Unless you are instructed otherwise, perform maintenance with the equipment in the servicing position. Refer to the Operation and Maintenance Manual for the procedure for placing the equipment in the servicing position.

Crushing Prevention and Cutting Prevention

Support the equipment properly before you perform any work or maintenance beneath that equipment. Do not depend on the hydraulic cylinders to hold up the equipment. Equipment can fall if a control is moved, or if a hydraulic line breaks.

Stay clear of all rotating and moving parts.

Safety Icon Nomenclature

------ WARNING! ------

Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in injury or death. Contact your Caterpillar dealer for replacement manuals. Proper care is your responsibility.

----------------------

Personal Protection/Important Information




Illustration 3g02166423

Personal Protection/Important Information

Hazard Avoidance


Crushing Hazard (foot)


Crushing Hazard (hand)


Pinch Point

Additional Contact Information

For additional product support questions concerning this tool, contact the Dealer Service Tools Hotline at:

USA: 800-542-8665, Option 1

International: 1-309-578-7372

E-mail: dealerservicetool_hotline@cat.com

Note: Continuing improvement and advancement of product design can mean some photographs or illustrations in this publication will show details that are different from your service tool.

General Information Section

------ WARNING! ------

Personal injury or death can result from improper lifting or blocking.

When a hoist or jack is used to lift any part or component, stand clear of the area. Be sure the hoist or jack has the correct capacity to lift a component. Install blocks or stands before performance of any work under a heavy component.

Approximate weights of the components are shown. Clean all surfaces where parts are to be installed.

----------------------

------ WARNING! ------

To avoid injury do not stand on or between implement and machine while operating lift control.

----------------------

Introduction

The 142-6893 Adjustable Lifting Bracket Group is a "C"-style lifting device. The lifting bracket is used to remove and install heavy parts and assemblies for a wide variety of applications.

The following features provide maximum versatility:

  • Internal threaded rods adjust extension arms to achieve center of gravity.

  • Asymmetrical, adjustable lifting bracket can be oriented with either arm in the upright position.

  • Additional adapters increase versatility and eliminate the need for multiple lifting brackets.

References

Reference Disassembly and Assembly, KENR8563, "D6R Track-Type Tractor Engine Supplement"

Reference Disassembly and Assembly, KENR8565, "D6R Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR4253, "D6R Series II Track-Type Tractor C9 Engine Supplement"

Reference Disassembly and Assembly, RENR4257, "D6R Series II Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR4271, "D6R Series II Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR8173, "D6R Series III Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR8175, "D6R Series III and D6T Track-Type Tractors Engine Supplement"

Reference Disassembly and Assembly, KENR5126, "D6T Track-Type Tractor Power Train "

Reference Disassembly and Assembly, KENR8911, "D6T Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR7471, "D9T Track-Type Tractor Power Train"

Reference Disassembly and Assembly, KENR5162, "D7E Track-Type Tractor Power Train "

Reference Disassembly and Assembly, KENR5606, "D7E Track-Type Tractor Power Train"

Reference Disassembly and Assembly, KENR8929, "D8T Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR7481, "D8T Track-Type Tractor Power Train"

Reference Disassembly and Assembly, SENR5387, "D9R Track-Type Tractor Power Train"

Reference Disassembly and Assembly, UENR0031, "D9T Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR3927, "D10R Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR8166, "D10T Track-Type Tractor Power Train"

Reference Disassembly and Assembly, RENR1970, "365B, 365BL and 365BL Series II Excavators Machine Systems"

Reference Disassembly and Assembly, RENR8608, "583T Pipelayer Power Train"

Reference Disassembly and Assembly, UENR0099, "PL83 Pipelayer Power Train"

Reference Disassembly and Assembly, RENR3128, "W330B Material Handler Machine Systems Supplement"

Reference Disassembly and Assembly, RENR3254, "W345B Series II Material Handler Machine Systems"

Note: The list of references above may change. Always locate and refer to the appropriate Disassembly and Assembly service manual for information on mounting and lifting hardware, the correct length of each extension arm to achieve center of gravity and correct location of lifting point. Also refer to NEEG2822 Warning Film on the tool for extension/lifting capacity information.

Nomenclature




Illustration 4g02600198

(1) Asymmetrical Lifting Bracket

(2) Extension Arm

(3) Mounting Plate

(4) Arm Extension Adjustment Screw

(5) End Plate (not for lifting loads)




Illustration 5g02629418

(6) 151-2816 Handling Plate

(7) 2H-3744 Bolts - Tighten bolts to Standard Torque

(8) 5P-8250 Washers

Specifications

Adjustable Lifting Bracket Group

Table 1
142-6893 Adjustable Lifting Bracket Group    
Description     Specifications    
Overall Height     183.3 cm (72.2 inch)    
Weight    
104 kg (230 lb)    
Distance (between upper and lower extension arms)    
139 cm (54.7 inch)    
Lower Arm Operating Range (1)    
16.32 cm (6.43 inch) to
44.22 cm (17.41 inch)    
Upper Arm Operating Range (2)    
30.22 cm (11.898 inch) to
58.12 cm (22.882 inch)    
Lifting Capacity (with either arm fully extended)    
1814 kg (4000 lb)    
Lifting Capacity (with both arms fully retracted)    
4536 kg (10000 lb)    
( 1 ) From Vertical Beam to tip of the Lower Arm.
( 2 ) From Vertical Beam to tip of the Upper Arm.

Lifting Capacity Warning Film




Illustration 6g03401380

NEEG2822 Warning Film

The NEEG2822 Warning Film is located on the vertical leg of the 142-6893 Adjustable Lifting Bracket .

The NEEG2822 Warning Film contains the following information.

Note: For more information on setting the extension arm length, refer to the specific Disassembly and Assembly service manual for the component to be lifted.

Table 2
142-6893 Lifting Bracket Group (Large Adjustable C-Hook) - Retracted    
Length of Extension     Lifting Capacity    

0 (0.0)    

4540 kg (10000 lb)    

20 mm (0.79 inch)    

4373 kg (9633 lb)    

40 mm (1.57 inch)    

4207 kg (9266 lb)    

60 mm (2.36 inch)    

4040 kg (8899 lb)    

80 mm (3.15 inch)    

3874 kg (8532 lb)    

100 mm (3.94 inch)    

3707 kg (8165 lb)    

120 mm (4.72 inch)    

3540 kg (7798 lb)    

140 mm (5.51 inch)    

3374 kg (7431 lb)    

160 mm (6.30 inch)    

3207 kg (7064 lb)    

180 mm (7.09 inch)    

3041 kg (6697 lb)    

200 mm (7.87 inch)    

2874 kg (6330 lb)    

220 mm (8.66 inch)    

2707 kg (5963 lb)    

240 mm (9.45 inch)    

2541 kg (5596 lb)    

260 mm (10.24 inch)    

2374 kg (5229 lb)    

280 mm (11.02 inch)    

2208 kg (4862 lb)    

300 mm (11.81 inch)    

2041 kg (4495 lb)    

320 mm (12.60 inch)    

1874 kg (4128 lb)    

327 mm (12.87 inch)    

1816 kg (4000 lb)    


NOTICE

Failure to follow the instructions or heed the warnings below could result in injury or death.

Verify that the load to be lifted does not exceed the specified capacity.

Measure the length of extension at A and B, and match with the chart. Always use the lower of the two capacities. Always adjust the arms to the shortest usable length.

Refer to the service manual for specific applications.

Do not adjust under load.

Inspect the condition of the lifting bracket group prior to use.

Lubricate as necessary.


Optional Adapters

Optional adapters can be used to make this tooling more versatile.

Note: For more details on optional adapters, check the referred documents in section ""References" ".

Hardware used to attach adapter plates and bracket assemblies must meet or exceed 10.9 Metric or Grade 8 (English) specifications. Always use hardened flat washers, and tighten all hardware to the correct torque value for the fastener size.




Illustration 7g02630818

Operation Section

General Setup

  1. Identify the load to be lifted.

    Note: The asymmetrical lifting bracket can be oriented with either arm in the upright (top) position. For more information, refer to the specific service manual for the component to be lifted.




    Illustration 8g02631620

    (6) 151-2816 Handling Plate

    (7) 2H-3744 Bolts - Tighten bolts to Standard Torque

    (8) 5P-8250 Washers

  1. Attach dealer supplied 151-2816 Handling Plate (6) on top extension arm with two Grade 8 bolts (7), and 5P-8250 Washers (8). Tighten bolts to Standard Torque.

    Note: Refer to NEHS0960 Tool Operating Manual for additional information on the use of shackles.




    Illustration 9g03403019

  1. Refer to the specific service manual for the component to be lifted. Rotate arm extension adjusting screw (4) to adjust upper and lower extension arms (2) to the required dimensions.



    Illustration 10g02631876

    (2) Extension Arm

    (4) Arm Extension Adjustment Screw


    NOTICE

    To avoid damage to the lifting group, do not use an impact wrench to rotate the adjusting screw. Use a hand wrench or socket. Do not adjust the extension arms while a load is suspended from the tool.


  1. Attach an appropriate overhead lifting device to lift and support 142-6893 Adjustable Lifting Bracket Group .

    Note: The WLL of the hoist or lifting device used for this step should be more than the weight of the machine component being lifted and all of the tooling used to lift it.

    Note: Refer to the appropriate service manual for additional information on using specific lifting bracket attachments.

  1. Follow the information in the specific Disassembly and Assembly Service Manual for the machine component to be lifted.



    Illustration 11g02924356

  1. Attach load or adapter bracket to lower mounting plate (3). Only use 10.9 (Metric) or Grade 8 (English) hardware. Tighten all fasteners to standard torque.



Illustration 12g02924360

General Usage




Illustration 13g02925345

  • Do not use the lifting bracket group unless load capacity markings are legible.




Illustration 14g02925356

  • Do not use the lifting bracket group to lift at any angle other than vertical.




Illustration 15g02925437

  • Do not use the lifting bracket group to position or rotate loads off center.




Illustration 16g02925598

  • Do not extend or retract the lifting bracket extension arms while a load is suspended from the tool.




Illustration 17g02925616

  • Do not use end plate (5) holes for lifting a load.




Illustration 18g02925636

  • After each use, fully retract both extension arms (2). Store the lifting bracket group laying flat in a clean, dry area.


NOTICE

It is always important to lay the lifting bracket group flat during storage to prevent the lifting bracket group from falling.


Maintenance

Inspect the lifting bracket group, including adapter plates and bracket extension assemblies before each use. Immediately replace any damaged parts.

  • Inspect all welds and check for damaged or bent components.




Illustration 19g02926320

  • Inspect threaded holes in extension arms.

  • Clean the tool using a nonsolvent based cleaner.




Illustration 20g02926477

(9) Warning Film

(10) NEEG2822 Warning Film

  • Replace 224-0554 (9) and NEEG2822 (10) Warning Films if damaged or missing.

  • Periodically lubricate arm extension by adjusting screw (4) using 222-3116 Dry Lubricant or equivalent.

  • Have tools inspected annually by an approved dealership inspector.

  • Internal threads can be damaged by moisture and/or high humidity. Store tool indoors in a clean, dry location, with extension arms retracted.

  • Lay the C-Frame flat for storage to prevent falling.

  • All relevant adaptors should be stored flat to prevent falling.

  • At the end of the operational life of the tool, destroy the tool and dispose of as scrap.

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