149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551} Caterpillar

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Introduction

Important Safety Information

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Think Safety

European Union Compliant, CE marked

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 Tool Operating Manual.

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 Caterpillar 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. The 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 the tools capabilities.

Maintenance Section

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

Service Parts Section

The Service Parts section is a reference for parts identification and available part numbers.

Safety Icon Nomenclature

Personal Protection/Important Information

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Personal Protection/Important Information

Prohibited Action

No smoking

Hazard Avoidance

Crushing hazard (foot)

Crushing hazard (hand)

Pinch point

Fire hazard

Electrical Shock - Hazard

Fire hazard

General Information

Introduction

The 149-7173 Bearing Handling Bracket Assembly is a compact lifting tool used for removing and installing inner wheel bearing cones on specific model off-highway trucks.

• The bail attaches to a suitable overhead lifting device. The curved steel lip engages the bearing cone between the inner race and the roller cage.

• The offset design helps support the bearing cone at the correct angle for removal and installation.

Note: For additional information on specific applications, refer to the appropriate service manual.

References

Special Instruction, SENR1462, "793C Off-Highway Truck, Power Train"

Special Instruction, SENR1490, "784C, 785C, and 785C HAA Off-Highway Truck, Power Train"

Special Instruction, RENR2534, "793C Off-Highway Truck/Tractor, Power Train"

Additional Contact Information

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

Specifications

Illustration 3	g02744120

Nomenclature

Illustration 4	g02744156
(1) Bailed Assembly (2) 7F-3708 Clevis Pin (3) 7V-0446 Spring Clip (4) Bracket Assembly

Illustration 5	g02744162
(5) 149-7173 Bearing Handling Bracket Assembly (6) Lifting Device (8) Bearing Inner Race (9) Bearing Roller Cage (10) Spindle

Operation Section

Bearing Cone Removal

1. Identify load/weight of the bearing cone being lifted.

   Note: For additional information on specific applications, refer to the appropriate Disassembly and Assembly manual.

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Illustration 6	g02744164
(1) Bail Assembly (6) Lifting Device

2. Attach the 149-7173 Bearing Handling Bracket Assembly to a suitable overhead lifting device (6). Make sure that the lifting device hook fully engages bail assembly (1) .

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Illustration 7	g02744167
(5) 149-7173 Bearing Handling Bracket Assembly (6) Lifting Device (7) Bearing Cone Assembly (10) Spindle

3. Use lifting device (6) to position handling bracket assembly (5) next to inner bearing cone assembly (7) on spindle (10) .

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Illustration 8	g02744176
(4) Bracket Assembly (6) Lifting Device (8) Bearing Inner Race (9) Bearing Roller Cage

4. With a slight amount of slack in lifting device (6), tip bracket assembly (4) to engage the curved lip of the bracket assembly between bearing inner race (8) and bearing roller cage (9), as shown.

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Illustration 9	g02744178
(6) Lifting Device (7) Bearing Cone Assembly (10) Spindle

5. Raise overhead lifting device (6) enough to support the weight of bearing cone assembly (7) while sliding the bearing cone off spindle assembly (10) .

   Note: Do not use overhead lifting device to pull (side load) the bearing cone.

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Illustration 10	g02744185
(6) Lifting Device (7) Bearing Cone Assembly (11) Lift Truck Fork

6. Use lifting device (6) to lower bearing cone assembly (7) and securely support in a vertical position, such as on fork (11) of a suitable lift truck, as shown.

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Illustration 11	g02744187
(4) Bracket Assembly (6) Lifting Device (8) Bearing Inner Race (9) Bearing Roller Cage

7. With a slight amount of slack in lifting device (6), tip the bracket assembly (4) to disengage the curved lip of the bracket assembly from between bearing inner race (8) and bearing roller cage (9) .

8. Remove the bearing handling bracket assembly from the lifting device.

Bearing Cone Installation

1. Identify load/weight of the bearing cone being lifted.

   Note: For additional information on specific applications, refer to the appropriate Disassembly and Assembly manual.

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Illustration 12	g02744192
(1) Bail Assembly (5) 149-7173 Bearing Handling Bracket Assembly (6) Lifting Device

2. Attach 149-7173 Bearing Handling Bracket Assembly (5) to a suitable overhead lifting device (6). Make sure that the lifting device hook fully engages bail assembly (1) .

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Illustration 13	g02744196
(5) 149-7173 Bearing Handling Bracket Assembly (6) Lifting Device (7) Bearing Cone Assembly (11) Lift Truck Fork

3. With bearing cone assembly (7) supported in a vertical position, such as on fork (11) of a suitable lift truck, use lifting device (6) to position bearing handling bracket assembly (5) next to the inner lip on the bearing cone.

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Illustration 14	g02744217
(4) Bracket Assembly (6) Lifting Device (8) Bearing Inner Race (9) Bearing Roller Cage (11) Lift Truck Fork

4. With a slight amount of slack in lifting device (6), tip bracket assembly (4) to engage the curved lip of the bracket assembly between bearing inner race (8) and bearing roller cage (9), as shown.

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Illustration 15	g02744220
(6) Lifting Device (7) Bearing Cone Assembly (10) Spindle

5. Raise bearing cone (7), remove lift truck, and use lifting device (6) to align bearing cone with spindle assembly (10) .

6. Use overhead lifting device to support the weight of inner bearing cone (7) while sliding the bearing onto spindle assembly (10) .

   Note: Do not use overhead lifting device to push (side load) the bearing cone.

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Illustration 16	g02744224
(7) Bearing Cone Assembly (10) Spindle

7. Make sure bearing cone assembly (7) is installed against the lip on spindle (10) .

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Illustration 17	g02744228
(4) Bracket Assembly (6) Lifting Device (8) Bearing Inner Race (9) Bearing Roller Cage (10) Spindle

8. Once bearing cone assembly (7) is correctly positioned on spindle (10), slightly lower lifting device (6) .

9. With a slight amount of slack in the lifting device, tip bracket assembly (4) to disengage the curved lip of the bracket assembly from between bearing inner race (8) and bearing roller cage (9) .

10. Remove the bearing handling bracket assembly from lifting device. Store properly.

Inspection/Maintenance Section

Inspection/Maintenance

Inspect the 149-7173 Bearing Handling Bracket Assembly before each use. Immediately replace damaged tools.

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

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(1) Bail Assembly

• Do not use if bail assembly (1) is elongated.

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(4) Bracket Assembly

• Do not use if lip on bracket (4) is bent or damaged.

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(2) Clevis Pin

• Do not use if clevis pin (2) is bent or worn.

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(3) Spring Clip

• Do not use if spring clip (3) is missing or damaged.

• Make sure working load limit (WLL) identification is clear and readable.

• Make sure bail (1) moves freely on clevis pin (2). Periodically lubricate pin with a good quality oil, such as Caterpillar 222-3123 Light Penetrating and Lubricating Oil.

• Clean the tools using a nonsolvent based cleaner.

• Have the tool inspected annually by an approved dealership inspector.

• Tooling can be damaged by moisture or high humidity. Store the tool indoors in a clean, dry location.

• Store tools laying flat or hanging from appropriate hooks to prevent falling.

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

Service Parts

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