- Motor Grader
- 120H (S/N: 1241-UP; CAF1-UP; 4MK1-UP; 5FM1-UP; 6NM1-UP; 6TM1-UP; 2AN1-UP; 6YN1-UP; 9FN1-UP; 3GR1-UP; 9YR1-UP)
- 120K (S/N: SZN1-UP; JAP1-UP)
- 120K Series 2 (S/N: SZS1-UP; SZZ1-UP)
- 12H (S/N: 1251-UP; XZJ1-UP; CBK1-UP; 4XM1-UP; 5ZM1-UP; 8MN1-UP; 2LR1-UP; 2WR1-UP; 4ER1-UP; 2GS1-UP; AMZ1-UP)
- 12K (S/N: JJA1-UP; SZP1-UP)
- 140H (S/N: 1261-UP; CCA1-UP; XZH1-UP; 2ZK1-UP; APM1-UP; 5HM1-UP; 8JM1-UP; 8KM1-UP; 9TN1-UP; 9ZN1-UP; 3FR1-UP; 3AS1-UP)
- 140K (S/N: JPA1-UP; SZL1-UP)
- 140K Series 2 (S/N: SZW1-UP)
- 14H (S/N: ASE1-UP; 7WJ1-UP)
- 160H (S/N: ASD1-UP; 9EJ1-UP; XZK1-UP; 2FM1-UP; 3GM1-UP; 6WM1-UP; 9JM1-UP; CCP1-UP; 3HR1-UP; 2HS1-UP)
- 160K (S/N: SZM1-UP; JBP1-UP)
- 16H (S/N: 6ZJ1-UP; 3JR1-UP; ATS1-UP)
- 120K (S/N: SZN1-UP; JAP1-UP)
Introduction
This Special Instruction contains information for installing the Blade Slope Indication (IMU Sensor) kit on all Caterpillar K, K2 and H Series Motor Graders. The Caterpillar Blade Slope Indication kit will allow the operator to monitor the actual blade slope on a display in cab, this system is used to maintain consistent crown of a gravel road or the shoulder of a road. The system consists of a Display, IMU Sensor and other hardware. The Display will measure, calculate and display the data.
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
Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. The following procedures should also be observed.
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. The installer must be alert to potential hazards and have the necessary training, skills, and tools needed to perform these functions properly. Wear safety equipment, such as eye protection and foot protection, and other protection as is appropriate to the work site.
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. Ensure that any tool, procedure, work method, or operating technique you use that is not recommended by Caterpillar is safe. Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.
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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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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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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. |
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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Connect - To place, join, or fasten in an electrical circuit. |
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Install - To set up for use or service |
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Position - To locate to 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 stretched, without slack, to apply tension or torque. |
Torque Specifications
Reference: Refer to Torque Specifications SENR3130 for the latest standard torque specifications used for Caterpillar® fasteners.
Applicability
The Blade Slope Indication kit is offered as an aftermarket attachment for use on all Caterpillar K, K2 and H Series Motor Graders providing an assistance for equipment operators.
Electrical Requirements
This control is designed to operate on 12 or 24 volts DC, negative ground. Current draw of the control package is less than 2.0 amps. External solenoids or other loads driven by the control and connection of a Caterpillar Electronic Technician (Cat® ET) communications adapter will add to the current draw.
Features
The Blade Slope Indication kit supports J1939 protocols for communication with Cat ET to flash the display software.
Block Diagram
Note: During installation, it is important to protect wiring in key locations. Key locations are any area where the wiring could be nicked or cut and come in contact with the chassis. Avoid installation practices where there could be excessive flexing, chafing, or cutting of the wiring.
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| Illustration 2 | g06409782 |
The Blade Slope Indication kit (IMU Sensors) has been developed for the entire MG product line K, K2 and H series machines. Going across the multiple models and series almost result in same at the component and sub-kit level. The table below shows where the kit shall be used.
| H-Series | 12K, 120K K-Series | 140K, 160K K-Series | 120K2, 140K2 K2-Series | |
|---|---|---|---|---|
| Base Kit for all Machines |
1(1) | 1(2) | 1(3) | 1(4) |
| (1) | To be ordered with kit for model / series noted |
| (2) | To be ordered with kit for model / series noted |
| (3) | To be ordered with kit for model / series noted |
| (4) | To be ordered with kit for model / series noted |
Required Parts
Required parts for Blade Slope Indication Kit Installation Group, 579-6277 Installation Group, at the time of publication of this document.
The Blade Slope Indication Kit will include the IMU sensor, display, harness and other mounting hardware.
| Qty | Part Number | Part Name |
|---|---|---|
| 32 | Cable Strap | |
| 2 | Dowel | |
| 1 | Electronic Control Module | |
| 1 | Position Sensor As | |
| 1 | Plate | |
| 1 | Bracket As | |
| 1 | Sensor Bracket | |
| 1 | Plate | |
| 4 | Screw | |
| 3 | Nut | |
| 7 | Clip | |
| 1 | Clip | |
| 1 | Control Harness As | |
| 1 | Control Harness As | |
| 1 | Control Harness As | |
| 17 | Hard Washer | |
| 8 | Bolt | |
| 3 | Bolt | |
| 3 | Hard Washer | |
| 3 | Bolt | |
| 3 | Bolt | |
| 2 | Clip | |
| 1 | Monitor Software Gp |
Machine Preparation
- Move the machine to a smooth, level location, and away from other working machines and personnel.
- Lower the implements to the ground.
- Stop the engine.
- Engage the parking brake for the machine.
- Place the disconnect switch in the OFF position.
Installation Procedure
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Flash Messenger Display Software
| Required Hardware Tool | Cat communication adapter 3 connecting Blade Slope Indication system CDL/J1939 |
| Required Service Tool | Cat® ET, release 2018B v1.0-C3 or later |
| Required Software | 563-1416 Monitor Software Gp |
Perform the below procedures to flash the software:
- Turn the key ON.
- Open Cat® ET 2018B v1.0 or later, make sure advanced preferences is set.
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Illustration 22 g06409232 Show/hide table
Illustration 23 g06409236 Show/hide table
Illustration 24 g06409237 Show/hide table
Illustration 25 g06409242 - Go to WinFlash page, select the blank ECM with right S/N, choose flash file 563-1416 Monitor Software Gp. Then begin flash, messenger display will show "INSTALLING SOFTWARE PLEASE WAIT".
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Illustration 26 g06409245 Show/hide table
Illustration 27 g06409251 Show/hide table
Illustration 28 g06409257 - After Flashing completed successfully, keep power ON for 2 mins, then key cycle, make sure ECM summary as above.
- After flashing new software to an ECM or multiple ECM's, always reset the ECM by cycling the power supply.
- Turn the key start switch to the OFF position. Wait 10 seconds. Turn the key start switch to the ON position or start the engine.
- Verify that the operation of the machine is correct and that no new diagnostics have been activated.
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Install Blade Slope Indication Feature
- Reconnecting Cat ET, select "Blade Slope Monitor Generic MG", go to configuration Tool (F5).
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Illustration 31 g06409269 - Set the right Equipment ID and product ID.
- The default Blade Slope Indication System Installation Status is "Not installed". This feature is SEA feature. Blade Slope Calibration Offset is "0.000 Deg", Backlight Percent is 50 %. We have provided one function for operator to change the backlight percent as needed.
- Messenger display will show.
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Illustration 32 g06409274 - Click "Blade Slope Indication System Installation Status", change the value to "Installed" with Factory Passwords. Then you will see current blade slope percentage on messenger display.
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Illustration 33 g06409278 - When blade slope is right side higher, it will show as above.
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Illustration 34 g06409279 - When blade slope is left side higher, it will show as above.
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Blade Slope Angle Calibration
Used to program the calibration-offset value that is applied to the sensor readings for the blade slope. When the machine is on a perfectly flat, level surface in a "parked" condition (the reference angle measurements), read the Blade Slope Angle on Cat ET status as above, and then take the inverse of it and set into offset in Configuration to make the Blade Slope Angle equal to 0 Deg.
- For example, when the machine is on a perfectly flat, level surface in a "parked" condition. Go to Status Tool (F2), blade slope angle is -0.2 Deg, not 0 Deg on a flat surface, if operator want to change do calibration, please do as below steps.
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Illustration 36 g06409288 Show/hide table
Illustration 37 g06409290 - Go to Configuration Tool (F5), set 0.2 Deg’ to Blade Slope Calibration Offset and click OK to save it. Blade Slope Angle in ET status and Blade Slope Percentage on display will show 0.
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Troubleshooting
When Blade slope percentage on display show in normal condition, please first make sure that blade slope installation status is Installed, IMU sensor is connected.
Note: When blade pitch angle is out of range -73Deg to 73Deg, "xxx %" should be displayed on messenger. If you need further information, please connect ET to check the diagnostic.
- When messenger display can not receive the value from IMU sensor, it will active 3694-14, please reconnect the IMU sensor.
- When messenger receive invalid value for pitch angle (larger than 180 degree or less than -180 degree), it will trigger 3694-2 Blade Slope Sensor: Data Erratic, Intermittent or Incorrect. Please key cycle, if this code is still active, please change the IMU sensor to new part.
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