Salvage of Final Drive Sprocket Hubs For Pipelayers, Track Loaders, and Track-Type Tractors {4050, 4184}
- Pipelayer
- All
- Track-Type Loader
- All
- Track-Type Tractor
- All
Introduction
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| Revision | Summary of Changes in SEBF8132 |
| 15 | Added new serial number prefixes for New Product Introduction (NPI).
Updated copyright date to 2018. |
| 14 | Added |
| 13 | Updated effectivity. |
| 12 | Updated effectivity. |
© 2018 Caterpillar All Rights Reserved. This guideline is for the use of Cat dealers only. Unauthorized use of this document or the proprietary processes therein without permission may be violation of intellectual property law.
Information contained in this document is considered Caterpillar: Confidential Yellow.
This Reuse and Salvage Guideline contains the necessary information to allow a dealer to establish a parts reusability program. Reuse and salvage information enables Cat dealers and customers to benefit from cost reductions. Every effort has been made to provide the most current information that is known to Caterpillar. Continuing improvement and advancement of product design might have caused changes to your product which are not included in this publication. This Reuse and Salvage Guideline must be used with the latest technical information that is available from Caterpillar.
For technical questions when using this document, work with your Dealer Technical Communicator (TC).
To report suspected errors, inaccuracies, or suggestions regarding the document, submit a form for feedback in the Service Information System (SIS Web) interface.
Canceled Part Numbers and Replaced Part Numbers
This document may include canceled part numbers and replaced part numbers. Use NPR on SIS for information about canceled part numbers and replaced part numbers. NPR will provide the current part numbers for replaced parts.
Summary
This Guideline is applicable to the models that are listed above.
Certain operating conditions can permit the entry of abrasive material and/or corrosive material into the area of the Duo-Cone toric ring on the sprocket hub. The entry of abrasive material and the entry of corrosive material causes the seating surface to wear. Wear causes the seating surface to become unusable. This Guideline offers salvage procedures for sprocket hubs with this type of wear.
Salvage operations for the replacement of the seating surface of the Duo-Cone seal are dependent on the configuration of the sprocket hub. Sprocket hubs will require internal inserts or external inserts to replace the seating surface of the Duo-Cone ring. Both procedures are given in this guideline. In addition, loose bolts on sprocket segments can elongate the bolt holes in the hubs. This Guideline offers salvage procedures for sprocket hubs with these types of wear.
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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. Failure to heed this warning can lead to premature failures, product damage, personal injury or death. |
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Personal injury or death can result from improper assembly procedures. Do not attempt any assembly until you have read and understand the assembly instructions. |
Important Safety Information
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| Illustration 1 | g02139237 |
Work safely. 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. Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. If a tool, a procedure, a work method, or operating technique that is not recommended by Caterpillar is used, ensure that it is safe for you and for other people to use. Ensure that the product will not be damaged or the product will not be made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.
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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 which is followed by a signal word such as danger, warning, or caution. The “WARNING” safety alert symbol is shown below.
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| Illustration 2 | g00008666 |
This safety alert symbol means:
Pay attention!
Become alert!
Your safety is involved.
The message that appears under the safety alert symbol explains the hazard.
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 safety information in this document and the safety information on the machine are not all inclusive. Determine that the tools, procedures, work methods, and operating techniques are safe. Determine that the operation, lubrication, maintenance, and repair procedures will not damage the machine. Also, determine that the operation, lubrication, maintenance, and repair procedures will not make the machine unsafe.
The information, the specifications, and the illustrations that exist in this guideline are based on information which was available at the time of publication. 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, most current information before you start any job. Cat dealers can supply the most current information.
Service Letters and Technical Information Bulletins
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The most recent Service Letters and Technical Information Bulletins that are related to this component shall be reviewed before beginning work. Often Service Letters and Technical Information Bulletins contain upgrades in repair procedures, parts, and safety information that pertain to the parts or components being repaired. |
References
Use the following references for additional information regarding the rebuild of a drive train.
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| References | |
| SEBF8148 | Reuse And Salvage Guidelines "General Salvage and Reconditioning Techniques" |
| SEBF8187 | Reuse And Salvage Guidelines "Standardized Parts Marking Procedures" |
Tooling and Equipment
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Failure to follow the recommended procedure or the specified tooling that is required for the procedure could result in damage to components. To avoid component damage, follow the recommended procedure using the recommended tools. |
Table 3 contains the items that are needed to complete the repair procedures in this guideline.
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| Tooling and Equipment | |
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| Part Number | Description |
| Wire Brush | |
| Dial Bore Gauge Kit | |
| Quick Cure Primer | |
| Surface Reconditioning Pad | |
or |
Borescope Inspection Kit |
| Surface Texture Comparison Gauge | |
| Metal Marking Pen | |
| Compound | |
| White LED Pen Light | |
| Paper Towel | |
| Outside Micrometer Set
6–60 inch |
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| Inside Micrometer Set
2-24 inch |
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Inside Micrometer Set
2-12 inch |
| Inside Micrometer Set
50-300 mm |
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Inside Micrometer Set
8-32 inch |
| Inside Micrometer Set
200-800 mm |
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Prepare the Area for Inspection
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Personal injury can result when using cleaner solvents. To help prevent personal injury, follow the instructions and warnings on the cleaner solvent container before using. |
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Personal injury can result from air pressure. Personal injury can result without following proper procedure. When using pressure air, wear a protective face shield and protective clothing. Maximum air pressure at the nozzle must be less than |
- Clean all surfaces for inspection before you inspect the part. Make sure that you remove all debris, paint, and oil.
- When you move parts that require cleaning, always use a proper lifting device. This device must protect the part from damage. For the safety of the operator, all lifting devices must be inspected before use.
- During cleaning, do not damage machined surfaces.
- Use pressurized air to dry parts.
- If the bore cannot be inspected immediately after cleaning, put hydraulic oil on all machined surfaces to prevent rust or corrosion. Carefully store the parts in a clean container.
- Use appropriate thread taps to chase all threaded holes.
Standardized Parts Marking Procedure
Reference: Refer to Reuse And Salvage Guideline, SEBF8187, "Standardized Parts Marking Procedures" for additional information regarding marking procedures.
The code is a Caterpillar standard. The code is used to record the history of a gear. The code will identify the number of rebuilds and hours at the time of each rebuild. This information is important for any decision to reuse a gear. The information should be considered before making the decision to reuse a gear. The information should be considered for locating the cause of a failure.
The mark should be on the sides of planetary gears and sun gears. The mark should not be covered by a mating part. Use 9U-7377 Metal Marking Pen that is listed in "Tooling and Equipment" to mark the code onto the gear.
The procedure for marking gears is a Caterpillar standard. This code is helpful when the machine is sold into a different territory after the first rebuild. During an overhaul, the previous code of a part should never be removed.
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Do not use a numbering stamp punches set to mark internal parts. The impact from striking the stamp will cause an abnormal stress riser. The added stress riser may cause the part to fail prematurely. |
Example 1
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| Illustration 3 | g03885120 |
Illustration 3 shows code (1-15). The first number (1) indicates that the component had been rebuilt once. The second number (15) indicates that there were 15,000 hours on the gear at the time of rebuild.
Example 2
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| Illustration 4 | g03885129 |
Illustration 4 shows code (1-12) and code (2-10). Code (2-10) represents the information from the second rebuild. The first number (2) indicates that the component had been rebuilt twice. The second number (10) indicates that there were 10,000 hours on the gear at the time of rebuild.
Note: To obtain the total number of hours for the component in Illustration 4, add first and second rebuild hours. In this example the component has a total of 22,000 hours.
Salvage Procedures For Internal Inserts on Sprocket Hubs
Procedure for Inserting the Insert Prior to Machining
- Machine the hub seal bore insert that is shown in Illustration 5. Use SAE 1020 steel.
- Machine the sprocket hub to Bore Diameter (D-3) and Bore Depth (W-2). The dimensions for the bores are shown in Table 4 through Table 6.
- Clean the new Diameter (D-3) that was machined into the hub. Apply 6V-1541 Quick Cure Primer, and a thin coat of 9S-3265 Compound to the bore.
- Assemble the insert into the hub. The insert should be cooled to
−40 °C (−40.0 °F) . Be sure that the insert is flat against the hub face. - Machine the installed insert to the dimensions that are shown in Illustration 12 through Illustration 14.
- Assemble the final drive by using the procedures in the standard Service Manual.
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| Illustration 5 | g01429563 |
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A semi-finished insert is shown. Refer to Table 4 through Table 6 for dimensions. All outside corners have a chamfer or a radius of (W-1) Width of Insert (D-1) Inside Diameter (D-2) Outside Diameter | |
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| Illustration 6 | g01429575 |
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The illustration shows the dimensions for machining a sprocket hub. Depth (W-2) is measured from the back of Bearing Bore (B) to the back of Bore (D-3). Refer to Table 4 for dimensions. (D-3) Bore Diameter for Insert (A) Bearing Bore Diameter (B) Bearing Bore Diameter (C) Magnification (W-2) Depth | |
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| Illustration 7 | g01574816 |
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Magnification (C) is shown in the illustration. The magnification of the sprocket hub shows Machining Area (D). Refer to Table 4 for dimensions. (D-3) Bore Diameter for Insert (A) Bearing Bore Diameter (B) Bearing Bore Diameter (D) Area of Machining (W-2) Depth | |
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| Semi-finished Insert and Machining Dimensions | |||||
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| Part Number | W-1 | D-1 | D-2 | D-3 | W-2 |
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| Illustration 8 | g01583356 |
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The illustration shows the dimensions for machining a sprocket hub. Depth (W-2) is measured from the back of Bearing Bore (B) to the back of Bore (D-3). Refer to Table 5 for dimensions. (D-3) Bore Diameter for Insert (A) Bearing Bore Diameter (B) Bearing Bore Diameter (E) Magnification (W-2) Depth | |
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| Illustration 9 | g01583113 |
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Magnification (E) is shown in the illustration. The magnification of the sprocket hub shows Machining Area (F). Refer to Table 5 for dimensions. (D-3) Bore Diameter for Insert (B) Bearing Bore Diameter (F) Area of Machining (W-2) Depth | |
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| Semi-finished Insert and Machining Dimensions | |||||
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| Part Number | W-1 | D-1 | D-2 | D-3 | W-2 |
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| Illustration 10 | g01585054 |
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The illustration shows the dimensions for machining a sprocket hub. Depth (W-2) is measured from the back of Bearing Bore (B) to the back of Bore (D-3). Refer to Table 6 for dimensions. (D-3) Bore Diameter for Insert (A) Bearing Bore Diameter (B) Bearing Bore Diameter (G) Magnification (W-2) Depth | |
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| Illustration 11 | g01585056 |
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Magnification (G) is shown in the illustration. The magnification of the sprocket hub shows Machining Area (H). Refer to Table 6 for dimensions. (D-3) Bore Diameter for Insert (B) Bearing Bore Diameter (H) Area of Machining (W-2) Depth | |
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| Semi-finished Insert and Machining Dimensions | |||||
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| Part Number | W-1 | D-1 | D-2 | D-3 | W-2 |
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Note: Bearing Bore Diameter (A) and Bearing Bore Diameter (B) must be concentric with Bore (D-3) within
Procedure for Machining the Insert Prior to Inserting
- Machine the insert to the proper dimensions. Illustration 12 through Illustration 14 shows the different types of inserts. Use SAE 1020 steel. Refer to Table 7 through Table 13 for the dimensions for the insert.
- Machine the sprocket hub to Bore Diameter (D-3) and Bore Depth (W-2). The dimensions for the bores are shown in Table 4 through Table 6.
- Clean the bore that was machined into the hub. Apply 6V-1541 Quick Cure Primer and a thin coat of 9S-3265 Compound to the bore.
- The insert should be cooled to
−40 °C (−40 °F) . Assemble the insert into the hub. Make sure that the insert is flat against the hub face.
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| Illustration 12 | g01585573 |
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The diagram shows the dimensions that are required for machining the insert. All outside corners have a chamfer or a radius of | |
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| Machining Dimensions for the Insert | |||||
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| Dimension | Part Number | ||||
| D-7 | |
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| D-8(1) | |
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| D-10 | |
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| D-11 | |
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| D-12 | |
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| A-1 | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 1.0° | 10.0° ± 0.5° | 10.0° ± 0.5° |
| A-2(1) | 11.31° | 11.31° | - | 18.64° | - |
| A-3 | 20° ± 2° | 20° ± 2° | 20° ± 2° | 20° ± 2° | 20° ± 2° |
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| (1) | If there are no dimensions, then the front face of the insert is flat. |
| (2) | If there are no dimensions, then there is no flat surface. |
| (3) | Gauge |
| (4) | Max radius |
| (5) | Deburr the edge. |
| (6) | Surface texture |
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| Illustration 13 | g01590066 |
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The diagram shows the dimensions that are required for machining the insert. All outside corners have a chamfer or a radius of | |
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| Machining Dimensions for the Insert | ||||||
| Dimension | Part Number | |||||
| D-7 | |
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| D-8(1) | - | |
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| A-1 | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° |
| A-2(1) | - | 30° | - | - | - | - |
| C-1 | |
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| (1) | If there are no dimensions, then the front face of the insert is flat. |
| (2) | Gauge |
| (3) | Max radius |
| (4) | Deburr the edge. |
| (5) | Surface texture |
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| Machining Dimensions for the Insert | ||||
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| Dimension | Part Number | |||
| D-7 | |
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| D-8(1) | - | - | - | - |
| D-9 | |
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| A-1 | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° |
| A-2(1) | - | - | - | - |
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| (1) | If there are no dimensions, then the front face of the insert is flat. |
| (2) | Gauge |
| (3) | Max radius |
| (4) | Deburr the edge. |
| (5) | Surface texture |
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| Machining Dimensions for the Insert | ||||
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| Dimension | Part Number | |||
| D-7 | |
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| D-8(1) | - | - | - | - |
| D-9 | |
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| A-1 | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° |
| A-2(1) | - | - | - | - |
| C-1 | |
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| (1) | If there are no dimensions, then the front face of the insert is flat. |
| (2) | Gauge |
| (3) | Max radius |
| (4) | Deburr the edge. |
| (5) | Surface texture |
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| Machining Dimensions for the Insert | ||||
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| Dimension | Part Number | |||
| D-7 | |
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| D-8(1) | - | - | - | - |
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| R-3 | - | |
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| A-1 | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° |
| A-2(1) | - | - | - | - |
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| (1) | If there are no dimensions, then the front face of the insert is flat. |
| (2) | Gauge |
| (3) | Max radius |
| (4) | Deburr the edge. |
| (5) | Surface texture |
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| Machining Dimensions for the Insert | ||||
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| Dimension | Part Number | |||
| D-7 | |
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| D-8(1) | - | - | - | - |
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| R-3 | - | - | - | - |
| A-1 | |
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| A-2(1) | - | - | - | - |
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| (1) | If there are no dimensions, then the front face of the insert is flat. |
| (2) | Gauge |
| (3) | Max radius |
| (4) | Surface texture |
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| Illustration 14 | g01590533 |
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The diagram shows the dimensions that are required for machining the insert. All outside corners have a chamfer or a radius of | |
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| Machining Dimensions for the Insert | |||||
| Dimension | Part Number | ||||
| D-7 | |
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| D-9 | |
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| D-10 | |
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| D-12 | |
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| A-1 | 10° ± 0.5° | ||||
| A-3 | 45° ± 1° | ||||
| C-1 | |
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| (1) | Gauge |
| (2) | Max radius |
| (3) | Deburr the edge. |
| (4) | Surface texture |
Note: 134-5995 Sprocket Hub and 199-2807 324-2342 Sprocket Hub are for the D11RB.
Salvage Procedures For External Inserts on Sprocket Hubs
Procedure for Inserting the Insert Prior to Machining
- Fabricate the Hub Seal Bore Insert that is shown in Illustration 15. Use SAE 1020 steel.
- Machine the sprocket hub. The dimensions for machining are shown in Table 14 and Table 15.
- Clean the new diameter that was machined into the hub. Apply 6V-1541 Quick Cure Primer and a thin coat of 9S-3265 Compound to the bore.
- Heat the insert to
120 °C (248 °F) . Assemble the insert into the hub. Be sure that the insert is flat against the hub face. If an oil bath is used, be sure to dry thoroughly the oil from the insert before assembling the insert into the hub. - Machine the insert to the proper dimensions. Refer to Illustration 20 and Illustration 21. Refer to Table 16 and Table 17 for the dimensions for final machining.
- Assemble the final drive by using standard Service Manual procedures.
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| Illustration 15 | g01438840 |
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A semi-finished insert is shown. Refer to Table 14 and Table 15 for dimensions. All outside corners have a chamfer or a radius of (W-1) Width of Insert (D-1) Inside Diameter (D-2) Step Diameter (D-3) Outside Diameter | |
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| Illustration 16 | g01439721 |
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The illustration shows the dimensions for machining a sprocket hub. Depth (W-3) is measured from the back of Bearing Bore (B) to Machining Surface (E). Machining Surface (E) is shown in Illustration 17. Refer to Table 14 for dimensions. (D-4) Diameter of Machining Surface (F) ( W-3) Depth (W-4) Depth (A) Bearing Bore Diameter (B) Bearing Bore Diameter (C) Area of Machining (D) Magnification | |
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| Illustration 17 | g01598353 |
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Magnification (D) is shown in the illustration. The magnification of the sprocket hub shows Machining Area (C). Depth (W-4) is measured from Surface (E) to the back surface. Refer to Table 14 for dimensions. (D-4) Diameter of Machining Surface (F) ( W-3) Depth (W-4) Depth (B) Bearing Bore Diameter (C) Area of Machining (E) Surface of Machining (F) Surface of Machining (R-1) Radius | |
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| Semi-finished Insert and Machining Dimensions | |||||||||
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| Part Number | W-1 | W-2 | W-3 | W-4 | D-1 | D-2 | D-3 | D-4 | R-1 |
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| Illustration 18 | g01598373 |
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The illustration shows the dimensions for machining a sprocket hub. Depth (W-3) is measured from the back of Bearing Bore (B) to Machining Surface (J). Machining Surface (J) is shown in Illustration 19. Refer to Table 15 for dimensions. (D-4) Machining Surface (K) ( W-3) Depth (W-4) Depth (A) Bearing Bore Diameter (B) Bearing Bore Diameter (G) Area of Machining (H) Magnification | |
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| Illustration 19 | g01598378 |
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Magnification (H) is shown in the illustration. The magnification of the sprocket hub shows Machining Area (G). Depth (W-4) is measured from Surface (J) to the back surface. Refer to Table 15 for dimensions. (D-4) Machining Surface (K) ( W-3) Depth (W-4) Depth (A) Bearing Bore Diameter (B) Bearing Bore Diameter (J) Surface (K) Surface (G) Area of Machining (R-1) Radius | |
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| Semi-finished Insert and Machining Dimensions | |||||||||
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| Part Number | W-1 | W-2 | W-3 | W-4 | D-1 | D-2 | D-3 | D-4 | R-1 |
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Note: Bearing Bore Diameter (A) and Bearing Bore Diameter (B) must be concentric with Diameter (D-4) within
Procedure for Machining the Insert Prior to Inserting
- Machine the insert to the proper dimensions. Illustration 20 and Illustration 21 show the different types of inserts. Use SAE 1020 steel. Refer to Table 16 and Table 17 for the dimensions of the insert.
- Machine the sprocket hub. The dimensions for machining are shown in Table 14 and Table 15.
- Clean the bore that was machined into the hub. Apply 6V-1541 Quick Cure Primer and a thin coat of 9S-3265 Compound to the bore.
- Heat the insert to
120 °C (248 °F) . Assemble the insert into the hub. Be sure that the insert is flat against the hub face. If an oil bath is used, be sure to dry thoroughly the oil from the insert before assembling the insert into the hub.
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| Illustration 20 | g01440691 |
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The diagram shows the dimensions that are required for machining the insert. All outside corners have a chamfer or a radius of | |
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| Machining Dimensions for the Insert | |
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| Dimension | Part Number |
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| A-1 | 10° ± 0.5° |
| A-2 | 15° ± 1° |
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| (1) | Gauge |
| (2) | Max radius |
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| Illustration 21 | g01604234 |
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The diagram shows the dimensions that are required for machining the insert. All outside corners have a chamfer or a radius of | |
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| Machining Dimensions for the Insert | |||
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| A-1 | 10.0° ± 0.5° | 10.0° ± 0.5° | 10.0° ± 0.5° |
| A-2 | 45° ± 1° | 45° ± 1° | 45° ± 1° |
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| (1) | Gauge |
| (2) | Max radius |
| (3) | Deburr the edge. |
| (4) | Surface texture |
Note: Bearing Bore Diameter (A) and Bearing Bore Diameter (B) must be concentric with Diameter (D-4) within
Salvage Procedure for Segment Mounting on Sprocket Hubs
Rework Procedure
The mounting holes for segments may be reworked to salvage the sprocket hub. Utilize the following procedure to salvage the sprocket hub. See Table 18 for specifications on the salvage of sprocket hubs with worn mounting holes.
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| Illustration 22 | g00535571 |
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The illustration shows the typical example of a Sprocket Hub. (A) New Hole Diameter | |
- Drill the elongated holes in the sprocket hub to the dimension of the New Hole Diameter (A) that is shown in Table 18. Hole locations are shown in Illustration 24 through Illustration 43.
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Illustration 23 g00350132 The diagram shows an insert. The insert should be fabricated to the appropriate dimensions.
(B) Inside Diameter of Insert
(C) Outside Diameter of Insert
(D) Length of Insert - Fabricate inserts for the oversize holes. An insert is shown in Illustration 23. The dimensions for the inserts are shown in Table 18. The hardness of the steel should be 32 to 45 on the rockwell c scale.
- The insert should be cooled to approximately
−12 °C (10 °F) . Press the inserts into the hub. - Machine both faces of the inserts to make the inserts flush with the hub surface. The inserts should not protrude above the surface.
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| Dimensions for the Salvage of Holes for Mounting Segments | |||||
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| Part Number of Sprocket Hub | New Hole Diameter (A) | Inside Diameter of Insert (B) | Outside Diameter of Insert (C) | Length of Insert (D) | Flange Thickness(1) |
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| (1) | Thickness of sprocket hub at the location of the holes for mounting the segment |
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| Illustration 24 | g01445716 |
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| Illustration 25 | g01445742 |
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| Illustration 26 | g01445745 |
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Note: The 8G-3965 Sprocket Hub has the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 26.
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| Illustration 27 | g00540651 |
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| Illustration 28 | g01445746 |
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| Illustration 29 | g01445747 |
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| Illustration 30 | g00540698 |
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Note: The 9W-3374 Sprocket Hub and 7G-5837 Sprocket Hub have the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 30.
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| Illustration 31 | g00540703 |
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| Illustration 32 | g00540707 |
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Note: The 3T-8765 Sprocket Hub has the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 32.
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| Illustration 33 | g00540711 |
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Note: The 8E-3525 Sprocket Hub has the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 33.
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| Illustration 34 | g00540712 |
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| Illustration 35 | g00540716 |
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Note: The 7T-5484 Sprocket Hub and 110-2664 Sprocket Hub have the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 35.
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| Illustration 36 | g00540738 |
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Note: The 199-2807 324-2342 Sprocket Hub and 175-7149 Sprocket Hub have the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 36. Use the dimensions that are shown in Illustration 36 to perform the update to 6T-0597 Sprocket Hub and 134-5995 199-2807 324-2342 Sprocket Hub to use all available mounting bolts for the sprocket segment.
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| Illustration 37 | g01505420 |
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Note: The 3W-6043 Sprocket Hub has the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 37.
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| Illustration 38 | g01505754 |
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| Illustration 39 | g01505756 |
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| Illustration 40 | g01505766 |
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Note: The 8G-1478 Sprocket Hub, 5Q-7357 Sprocket Hub, and 3W-6144 Sprocket Hub have the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 40.
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| Illustration 41 | g01505767 |
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| Illustration 42 | g01505764 |
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| Illustration 43 | g01505761 |
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Note: The 8G-1504 Sprocket Hub and 3W-6145 Sprocket Hub have the same dimensions for the location of the holes as the sprocket hub that is shown in Illustration 43.
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| Illustration 44 | g01792973 |
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Caterpillar Information System:
2007/11/05 Troubleshooting Procedure for the Engine Speed Sensor on Small Track-Type Tractors {1907}
994F Wheel Loader Machine Systems Check and Relief Valve (Main Hydraulic) - Install
2007/11/05 A New Rear Hood Assembly is Available for Improved Durability {7251}
2007/12/31 Improvements for the Torque Converter {3101}
2007/11/05 An Improved Seal For The Standard Final Drive Is Now Available {4050, 7561}
854K Wheel Dozer and 992K Wheel Loader Engine from Torque Converter - Separate
312D2 and 313D2 Excavators Bucket Linkage - Lubricate
994F Wheel Loader Machine Systems Check and Relief Valve (Main Hydraulic) - Remove
374F Excavator Joystick Controls Alternate Patterns
938H Wheel Loader and IT38H Integrated Toolcarrier Power Train Position Sensor (Articulation Angle) - Adjust and Calibrate
993K Wheel Loader Power Train Torque Converter (Lockup)
D6T Track-Type Tractor Machine Systems Radiator Guard and Support
854K Wheel Dozer and 992K Wheel Loader Engine to Torque Converter - Connect
2007/10/29 Rework Procedure for the Brackets of the Air Cleaner on Wheel Loaders {1051}
2007/11/05 The Parking Brake Group is Updated {4267}
Procedure to Install the New Lower Hitch Group on the 525C, 535C, and 545C Wheel Skidders{7057, 7100} Procedure to Install the New Lower Hitch Group on the 525C, 535C, and 545C Wheel Skidders{7057, 7100}
992K Wheel Loader Electrohydraulic System Piston Pump (Implement, RH)
938H Wheel Loader and IT38H Integrated Toolcarrier Power Train Transmission Power Flow
3516B Engine for 994F and 994H Wheel Loaders Fuel Consumption Is Excessive
906, 907 and 908 Compact Wheel Loaders Power Train Master Cylinder (Front Brake) - Remove and Install
Procedure for Troubleshooting and Cleaning the Oil Rail System for the Hydraulic Electronic Unit Injector (HEUI) {1100, 1126, 1250, 1251, 1261, 1290} Procedure for Troubleshooting and Cleaning the Oil Rail System for the Hydraulic Electronic Unit Injector (HEUI) {1100, 1126, 1250, 1251, 1261, 1290}
906, 907 and 908 Compact Wheel Loaders Power Train Piston Motor (Hydrostatic) - Assemble
906H, 906H2, 907H, 907H2, 908H and 908H2 Compact Wheel Loaders Machine Systems Gear Pump (Implement) (Steering) (Hydraulic Fan) - Disassemble
906H, 906H2, 907H, 907H2, 908H and 908H2 Compact Wheel Loaders Machine Systems Gear Pump (Implement) (Steering) (Hydraulic Fan) - Assemble