- Off-Highway Truck/Tractor
- 793D (S/N: FDB1856-1978)
Introduction
This special instruction provides information to improve transmission filter serviceability 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.
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. |
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General Information
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.
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Graphic Symbol Description
This section includes all the symbol graphics used throughout the Visual Service Procedure (VSP), along with a brief description of what the symbol represents.
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Attach - To connect together or to fasten on something.
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Discard, Do Not Reuse - To cast aside as useless or undesirable in approved and responsible manner.
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Install - To set up for use or service
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Keep, Store - To retain for reinstallation or reuse.
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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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Operation and Maintenance Manual - Refer to a procedure in an Operation and Maintenance Manual.
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Parking Brake
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Position - To locate to the desired or intended location.
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Remove - To take off.
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Tighten - To make nearer, to fully stretch, without slack, or to apply tension or torque.
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Torque Specifications
Refer Torque Specifications, SENR3130, "Torque Specifications" for general standard torque reference guide for all Cat fasteners.
Machine Preparation
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| Illustration 1 | g06372073 |
Refer to Operation and Maintenance Manual , Prepare the Machine for Maintenance for your machine.
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Required Parts
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Table 1
| Parts List |
| For 466-4948 Hydraulic Oil Cooler Lines Gp (Standard Cooling Arrangement) |
| Item |
Qty |
Part Number |
Part Name |
| 1 |
1 |
8T-0568 |
O-Ring Seal |
| 2 |
1 |
6V-1196 |
O-Ring Seal |
| 3 |
1 |
561-6948 |
Tube As |
| 4 |
1 |
214-7568 |
O-Ring Seal |
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Table 2
| Parts List |
| For 466-4949 Oil Cooler Lines Gp (Extra Cooling Arrangement) |
| Item |
Qty |
Part Number |
Part Name |
| 1 |
1 |
561-7556 |
Hose As |
| 2 |
4 |
8T-0568 |
O-Ring Seal |
| 3 |
1 |
561-6947 |
Tube As |
| 4 |
1 |
162-9523 |
Grommet |
| 5 |
1 |
168-6891 |
Clip |
| 6 |
1 |
168-6890 |
Clip |
| 7 |
2 |
8T-4223 |
Hard Washer |
| 8 |
1 |
8T-4956 |
Bolt |
| 9 |
1 |
329-3356 |
Nut |
| 10 |
1 |
561-6948 |
Tube As |
| 11 |
1 |
6V-1196 |
O-Ring Seal |
| 12 |
1 |
214-7568 |
O-Ring Seal |
Installation Procedure
466-4948 Hydraulic Oil Cooler Lines Gp (Standard Cooling Arrangement)
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| Illustration 2 | g06371304 |
Location of 466-4948 Hydraulic Oil Cooler Lines Gp
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| Illustration 3 | g06371308 |
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| Illustration 4 | g06371317 |
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| Illustration 5 | g06371320 |
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| Illustration 6 | g06371326 |
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| Illustration 7 | g06371330 |
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| Illustration 8 | g06371347 |
(1) 8T-0568 O-Ring Seal
(2) 6V-1196 O-Ring Seal |
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| Illustration 9 | g06371365 |
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(3) 561-6948 Tube As |
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| Illustration 10 | g06371369 |
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(4) 214-7568 O-Ring Seal |
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| Illustration 11 | g06371385 |
466-4949 Oil Cooler Lines Gp (Extra Cooling Arrangement)
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| Illustration 12 | g06371388 |
Location of 466-4949 Oil Cooler Lines Gp
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| Illustration 13 | g06371398 |
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| Illustration 14 | g06371413 |
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| Illustration 15 | g06371421 |
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| Illustration 16 | g06371431 |
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| Illustration 17 | g06371436 |
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| Illustration 18 | g06371444 |
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| Illustration 19 | g06371457 |
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| Illustration 20 | g06371469 |
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| Illustration 21 | g06371476 |
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| Illustration 22 | g06371481 |
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| Illustration 23 | g06371488 |
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| Illustration 24 | g06371510 |
(1) 561-7556 Hose As
(2) 8T-0568 O-Ring Seal |
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| Illustration 25 | g06371526 |
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| Illustration 26 | g06371551 |
(2) 8T-0568 O-Ring Seal
(3) 561-6947 Tube As |
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| Illustration 27 | g06371585 |
(4) 162-9523 Grommet
(5) 168-6891 Clip
(6) 168-6890 Clip
(7) 8T-4223 Hard Washer
(8) 8T-4956 Bolt
(9) 329-3356 Nut |
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| Illustration 28 | g06371597 |
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| Illustration 29 | g06371615 |
(2) 8T-0568 O-Ring Seal
(10) 561-6948 Tube As
(11) 6V-1196 O-Ring Seal |
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| Illustration 30 | g06371619 |
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| Illustration 31 | g06371631 |
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(12) 214-7568 O-Ring Seal |
