- Motor Grader
- 24M (S/N: B931-205; B9K1-75002)
Introduction
This Special Instruction contains the installation procedure for installing articulating hitch group for certain 24M Motor Graders.
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 on this procedure, 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 |
For additional information on the procedure in this document, Scan the QR code below with a QR enabled device or copy the link that follows.
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| Illustration 2 | g06376129 |
Reference Section
Refer to Disassembly and Assembly , UENR3490 , "24M Motor Grader Machine Systems" , Front Frame from Rear Frame (Articulating Hitch) - Separate and Front Frame to Rear Frame (Articulating Hitch) - Connect.
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 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
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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Align - To arrange or to place objects along a line. |
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Align - Bottom - To arrange or place objects along a line referencing the bottom faces. |
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Compress, Load - To press together, to squeeze. To transfer weight or force to an object. The weight or force carried by an object. |
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Cool - To reduce the temperature of an object or system. |
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Discard, Do Not Reuse - To cast aside as useless or undesirable in approved and responsible manner. |
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Insert - To put in or between. |
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Inspect - To confirm, inspect, look, or observe to confirm or assure accuracy, conformance. |
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Measure - To determine the dimension, area, volume, or other quantifiable property of an object. A desired quantity of something. |
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Remove - To take off. |
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Separate - To move or be apart. |
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Service Indicator - Refer to a Technical Manual, Warning, Caution, or Notice |
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Temperature Increasing Heat |
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Tighten - To make nearer, to fully stretch, without slack, or to apply tension or torque. |
English (SAE) Fasteners
The following table has the recommended standard torque values.
| Nuts and Bolts | ||
|---|---|---|
| Thread Size
Inch |
Standard Torque | |
| 1/4 | |
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| 5/16 | |
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| 3/8 | |
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| 7/16 | |
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| 1/2 | |
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| 9/16 | |
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| 5/8 | |
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| 3/4 | |
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| 7/8 | |
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| 1 | |
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| 1 1/8 | |
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| 1 1/4 | |
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| 1 3/8 | |
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| 1 1/2 | |
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Metric (ISO) Fasteners
The following table has the recommended standard torque values.
| Nuts and Bolts | ||
|---|---|---|
| Thread Size
Metric |
Standard Torque | |
| M6 | |
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| M8 | |
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| M10 | |
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| M12 | |
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| M14 | |
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| M16 | |
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| M20 | |
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| M24 | |
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| M30 | |
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| M36 | |
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Required Parts
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| Illustration 3 | g06227520 |
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| Illustration 4 | g06227532 |
| Required Parts | |||
|---|---|---|---|
| Item | Qty | Part | Illustration (Sub-step) Location |
| 1 | 1 | 166-1497 Lip Type Seal | Illustration 16 (1) |
| 2 | 4 | 8G-5258 Spacers | Illustration 20 (3) |
| 3 | 1 | 117-2022 Plate | Illustration 11 (1, 4)
Illustration 12 (1) |
| 4 | 1 | 117-2024 Plate | Illustration 13 (2)
Illustration 14 (1) |
| 5 | 1 | 117-2026 Shim Pack | Illustration 13 (1) |
| 6 | 1 | 178-9481 Plate As | Illustration 20 (2) |
| 7 | 1 | 271-1424 Cap | Illustration 8 (1)
Illustration 10 (1) |
| 8 | 1 | 271-1425 Cap | Illustration 17 (1)
Illustration 18 (1) |
| 9 | 1 | 486-1264 Sleeve Bearing | Illustration 6 (1, 2) |
| 10 | 1 | 488-2148 Pin | Illustration 11 (1, 3, 4) |
| 11 | 1 | 488-2149 Cap | Illustration 9 (1, 2)
Illustration 10 (3) |
| 12 | 1 | 488-2150 Adapter | Illustration 6 (2)
Illustration 7 (1, 2, 3, 4) |
| 13 | 1 | 488-2151 Thrust Washer | Illustration 10 (2) |
| 14 | 1 | 488-2152 Spacer | Illustration 9 (2) |
| 15 | 1 | 488-2153 Pin | Illustration 19 (1)
Illustration 20 (1) |
| 16 | 1 | 490-0675 Cap | Illustration 16 (1)
Illustration 18 (2) |
| 17 | 1 | 494-0536 Sleeve Bearing | Illustration 15 (1, 2) |
| 18 | 1 | 4D-0514 Pipe Plug | Illustration14 (1) |
| 19 | 1 | 5P-2673 Lip Type Seal | Illustration 8 (1) |
| 20 | 1 | 7K-9212 Lip Type Seal | Illustration 17 (1) |
| 21 | 4 | 7X-0583 Hard Washers | Illustration 20 (4) |
| 22 | 8 | 7X-2563 Bolts | Illustration 11 (2, 4)
Illustration 13 (3) |
| 23 | 8 | 8T-4123 Washers | Illustration 11 (2,4)
Illustration 13 (3) |
| 24 | 12 | 8T-4140 Bolts | Illustration 12 (2) |
| 25 | 4 | 8T-4193 Bolts | Illustration 20 (4) |
| 26 | 18 | 8T-4223 Hard Washers | Illustration 10 (4)
Illustration 18 (3) |
| 27 | 6 | 8T-5001 Bolts | Illustration 18 (3) |
| 28 | 12 | 8T-7929 Bolts | Illustration 10 (4) |
| 29 | 1 | 9F-2247 Pipe Plug | Illustration 14 (1) |
| 30 | 1 | 9X-7699 Lip Type Seal | Illustration 9 (1) |
| 31 | 12 | 9X-8257 Washers | Illustration 12 (2)
Illustration 20 (4) |
Removal Procedure
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| Illustration 5 | g06235239 |
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Refer to Disassembly and Assembly , UENR3490 , "24M Motor Grader Machine Systems" , Front Frame from Rear Frame (Articulating Hitch) - Separate and Front Frame to Rear Frame (Articulating Hitch) - Connect. | |
Installation Procedure
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| Illustration 6 | g06236288 |
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| Illustration 7 | g06236282 |
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(1) Ensure that grooves are on bottom.
(2) Allow 36 hours to reach temperature | |
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| Illustration 8 | g06334138 |
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| Illustration 9 | g06334140 |
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| Illustration 10 | g06234641 |
| (2) Ensure that grooves are on top. | |
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| Illustration 11 | g06234925 |
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| Illustration 12 | g06234856 |
| (1) Raise to ambient temperature. | |
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| Illustration 13 | g06234952 |
| (1) Determine the thickness of shim pack to allow for clearance between plate and frame. | |
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| Illustration 14 | g06236108 |
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| Illustration 15 | g06235733 |
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| Illustration 16 | g06334144 |
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| Illustration 17 | g06334146 |
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| Illustration 18 | g06235807 |
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| Illustration 19 | g06235872 |
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| Illustration 20 | g06235886 |
| (1) Raise to ambient temperature | |