Vibratory Frequency - Test and Adjust
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| Required Tools | ||
| Part Number | Description | Quantity |
| 133-9905 | (Frequency Meter) | 1 |
| 133-9063 | (Drum Vibration Tachometer) | 1 |
| 4C-6500 | (Digital Thermometer) | 1 |
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Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine. |
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| NOTICE |
|---|
To avoid damage to the vibratory system during testing, always perform the testing with the vibratory drum on top of tires or on loose dirt. Tires will simulate a non-compacted soil condition. Never operate the vibratory system when the machine is on concrete. |
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| NOTICE |
|---|
If a testing time longer than three (3) minutes is required, rotate the drum periodically in order to lubricate the eccentric weight shaft bearings. |
- Make sure that the parking brake is applied. Ensure that the propel control lever is in the NEUTRAL position.
- Start the engine and run the engine at high idle. Engine speed should be 2950 ± 25 rpm.
- Use the 4C-6500 Digital Thermometer in order to verify that the hydraulic oil temperature is at least 38°C (100°F).
- Depress vibratory on/off control to the ON position in order to start the vibratory system. Read the vibrations per minute from 133-0963 Vibration Tachometer or the 133-9905 Frequency Meter. The maximum VPM setting for high amplitude for the CB-214D, the CB-224D, and the CB-225D should be 3600 ± 50 VPM.
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| Illustration 1 | g00671208 |
Vibratory on/off Control Switch | |
- Depress the vibratory on/off control to the OFF position in order to stop the vibratory system.
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