- Off-Highway Truck/Tractor
- 789D (S/N: SPD1-759,77001-77001; SHH1-319)
Introduction
This Special Instruction contains procedure to improve the charging the system on the machines listed above.
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.
Caterpillar Channel 1 Videos
For supplemental information and interpretation of Visual Service Procedures, refer to the following video. The previous training has been replaced with the video below.
Note: A CWS login is required to access Caterpillar Channel 1. Scan the QR code below with a QR enabled device or copy the link that follows.
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| Illustration 1 | g06306276 |
Safety Section
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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility. |
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Failure to follow all safety guidelines prescribed in this document and by governing authorities and regulatory agencies may result in severe injury or death of personnel or machine damage. |
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When removing a major component or attachment, ensure that it is properly blocked or secured before removing mounting hardware. An assembly that is disconnected without proper blocking may shift or fall, resulting in serious injury or death of personnel or machine damage. |
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Personal injury or death can result from improper maintenance procedures. To avoid injury or death, follow the procedures exactly as stated below. |
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Personal injury can result from improper handling of chemicals. Make sure you use all the necessary protective equipment required to do the job. Make sure that you read and understand all directions and hazards described on the labels and material safety data sheet of any chemical that is used. Observe all safety precautions recommended by the chemical manufacturer for handling, storage, and disposal of chemicals. |
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Climbing equipment may be required to access this service point. Refer to the Operation and Maintenance Manual, "Mounting and Dismounting" topic for safety information. |
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Before servicing/performing maintenance on the machine, electrical power must be physically disconnected; battery plugs must be disconnected from the batteries, or the trailing cable must be unplugged, and warning tags and padlocks shall be applied by a certified electrician. Certified electricians shall perform or direct any electrical work, including any energized testing, repair work in controllers, motors, or other approved compartments, and shall insure that all compartments are properly closed and inspected prior to re-energization. All applicable lock out and tag out procedures must be followed. |
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Do not operate the machine if any guards or covers are missing or inadequately secured. Personnel could be seriously injured or machine damage may occur. |
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Observe the safe working load limits of all lifting and blocking devices and keep a safe distance from suspended/blocked loads. Personnel may be seriously injured or killed by falling loads. |
Graphic Color Description
Color-coding of targeted components, or sections of a part, is used to communicate a required action.
The descriptions below illustrate the different colors and what is represented when used in a graphic.
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(Blue) The primary component of focus for a particular step. Target or primary component to be installed or removed. Installation implied unless otherwise noted with a symbol. |
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(CAT® Yellow) Description of parts. |
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(Yellow) Components disconnected, connected, or placed aside for access, but not removed. Highlighted areas of adjustment, inspection, or special attention. |
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(Cyan) Special tools or other equipment required for use in a particular step. |
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(Light Gray) Components used for reference. |
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(Magenta) Any fastener, retainer, or electrical connector used to install or remove the primary component. |
Graphic Symbol Description
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Attach - To connect together or to fasten on something. |
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Install - To set up for use or service |
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Level - To position a surface in a horizontal orientation. To position in vertical dimension. To align to assist positioning a surface in a horizontal orientation. |
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Position - To locate the desired or intended location |
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Route - To install a harness, hose, or wire along a specific course or layout along or through a product, to direct along a predefined path. |
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Tighten - To make nearer, to fully stretch, without slack, or to apply tension or torque. |
Torque Specifications
Reference: Refer to Torque Specifications SENR3130 for the latest standard torque specifications used for Caterpillar® fasteners.
Required Parts
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| Illustration 2 | g06358249 |
| Required Parts | ||||
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| Item | Qty | New Part
Number |
Part Name | Illustration (Sub-Step) Location |
| 1 | 1 | Washer | Illustration 5 (1) | |
| 2 | 1 | Full Nut | Illustration 5 (3) | |
| 3 | 1 | Hard Washer | Illustration 9 (2) | |
| 4 | 1 | Nut | Illustration 9 (2) | |
| 5 | 4 | Bolt As | Illustration 6 (4), Illustration 7 (4), Illustration 8 (2) | |
| 6 | 1 | Bracket As | Illustration 8 (1) | |
| 7 | 1 | Stud | Illustration 8 (3) | |
| 8 | 2 | Bolt | Illustration 8 (4) | |
| 9 | 2 | Hard Washer | Illustration 8 (4) | |
| 10 | 3 | Grommet | Illustration 6 (1), Illustration 7 (1) | |
| 11 | 3 | Clip | Illustration 7 (2), Illustration 7(2), | |
| 12 | 3 | Clip | Illustration 7 (3), Illustration 7(3), | |
| 13 | 1 | Cable As | Illustration 5 (2), (4), and Illustration 9 (1) | |
| 14 | 2 | Weld Boss | Illustration 6 and Illustration 8 | |
| 15 | 2 | Boss | Illustration 7 | |
| (1) | May not be required on some machines. |
Machine Preparation
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| Illustration 3 | g06358308 |
Reference: Refer to Operation and Maintenance Manual, SEBU8242, "789D and 789D XQ Off-Highway Trucks" for preparing the machine for maintenance.
Location of 554-3149 Cable As
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Location of | |
Installation Procedure
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| Illustration 5 | g06358251 |
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