CP56, CS56, CP64, CS64, CP74 and CS74 Vibratory Soil Compactors Machine Systems Magnetic Sensor (Vibratory) - Test and Adjust Caterpillar


Magnetic Sensor (Vibratory) - Test and Adjust
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CP56, CS56, CP64, CS64, CP74 and CS74 Vibratory Soil Compactors Machine Systems [KENR5723]
ELECTRICAL AND STARTING SYSTEM
SENSOR GP
CP56, CS56, CP64, CS64, CP74 and CS74 Vibratory Soil Compactors Machine Systems Magnetic Sensor (Vibratory) - Test and Adjust

------ WARNING! ------

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.


------ WARNING! ------

Personal injury can result from hydraulic oil pressure and hot oil.

Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.

Make sure all of the attachments have been lowered, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.



NOTICE

In order to avoid damage to the vibrator system during testing, always perform the testing with the vibrator drum on top of tires or on loose dirt. Tires will simulate a non-compacted soil condition

Never operate the vibrator system when the machine is on concrete.



NOTICE

If a testing time longer than three minutes is required, rotate the drum periodically in order to lubricate the eccentric weight shaft bearings.


Table 1
Required Tools 
Tool  Part
Number 
Description  Qty 
9U-7330  Digital Multimeter 

  1. Drive the machine to a smooth, horizontal surface on loose, uncompacted soil.

    Note: If loose, uncompacted soil is unavailable, drive the machine onto an unusable, unmounted tire without rims and with a carcass of substantial stiffness to support the drum. If tires are used, the drum should be a minimum of 102 mm (4 inch) above the ground.



    Illustration 1g01412481

  2. Move propulsion lever (1) to the NEUTRAL position.


    Illustration 2g01412483

  3. Move parking brake switch (2) to the ON position.


    Illustration 3g01412484

  4. Move throttle switch (3) to the LOW IDLE position.


    Illustration 4g01412486

  5. Move engine start switch (4) to the OFF position.


    Illustration 5g01415291

  6. Remove two bolts, washer plate, and cable clamp (6).

  7. Remove two bolts, and remove cover (5).


    Illustration 6g01415292

  8. Remove rubber boot (7).


    Illustration 7g01415294

  9. Disconnect two wires (8) and (9) from the vibratory sensor. Mark the wires for reconnection.

  10. Connect Tool (A) to the terminals of vibratory sensor. Set Tool (A) to read frequency.

  11. Move engine start switch (4) to the START position. Release the switch when the engine starts.

  12. Operate the engine at low idle for few minutes. Move throttle switch (3) to the HIGH IDLE position.


    Illustration 8g01415297

  13. Move amplitude selector switch (10) to the LOW AMPLITUDE position.


    Illustration 9g01415298

  14. Actuate vibratory switch (11) on the propulsion lever in order to start the vibrator.

  15. Read the vibratory frequency on Tool (A). The tool should register a frequency. The value is not important.

  16. Actuate vibratory switch (11) on the propulsion lever in order to stop the vibrator.

  17. Move throttle switch (3) to the LOW IDLE position.

  18. Move engine start switch (4) to the OFF position.

  19. If a frequency value did not register on Tool (A), go to Step 20. If Tool (A) registered a frequency value, go to Step 21.


    Illustration 10g01415299

  20. Loosen locknut (13). Rotate sensor (12) clockwise until the tip of the sensor touches the gear. Then, rotate the sensor one full turn in the counterclockwise direction. Hold the sensor and tighten the locknut to a torque of 17 ± 3 N·m (12.6 ± 2.2 lb ft). go to Step 11.

    Note: If the sensor can not be adjusted in order to produce a frequency value, replace the sensor and perform the test again.

  21. Remove Tool (A) and reconnect wires (8) and (9) to the vibratory sensor. Replace rubber boot (7). Replace cover (5) and bolts. Replace cable clamp (6), washer plate, and bolts.

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