CP76 and CS76 Vibratory Compactors Machine Systems Case Drain Flow for Piston Motor (Vibratory) - Test Caterpillar


Case Drain Flow for Piston Motor (Vibratory) - Test
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CP76 and CS76 Vibratory Compactors Machine Systems [KENR6091]
HYDRAULIC SYSTEM
MOTOR GP
CP76 and CS76 Vibratory Compactors Machine Systems Case Drain Flow for Piston Motor (Vibratory) - Test
CP76 and CS76 Vibratory Compactors Machine Systems Piston Motor (Vibratory)

------ 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.

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------ 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.

----------------------

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

Personal injury can result from rotating and moving parts.

Moving fan blades and moving parts will throw or cut any object or tool that falls or is pushed into them.

Make sure no one is working on, underneath or close to an engine that is running. Make sure the area is free of personnel.

----------------------


NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "AVSpare Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in AVSpare machines.

Dispose of all fluids according to local regulations and mandates.



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    
A     4C-8689     Flow Meter Gp

1.9 to 18.9 L/min (0.5 to 5.0 US gpm)    
1    
6V-8556 Nut     2    
6V-8942 O-Ring Reducer     2    
6V-8398 O-Ring Seal     2    
8C-6874 Connector     2    
124-2117 Coupling     2    
122-6870 Hydraulic Hose

762 mm (30 inch)    
1    
B     4C-6500     Digital Thermometer     1    

  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, loose tire and with a carcass of substantial stiffness in order to support the drum. If tires are used, the drum should be a minimum of 102 mm (4 inch) above the ground.




    Illustration 1g01407630

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



    Illustration 2g01407609

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



    Illustration 3g01407610

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



    Illustration 4g01407660

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

  1. Assemble Tool (A) .



    Illustration 5g01408599

  1. Disconnect case drain line (5) from the vibratory motor.

  1. Connect inlet hose from Tool (A) to the vibratory motor. Connect case drain line (5) to the outlet port of the flow meter of Tool (A) .

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

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

  1. Monitor hydraulic oil temperature with Tool (B). Operate the machine until the oil temperature reaches 43 ± 5.6 °C (110 ± 10 °F).

  1. Read flow on Tool (A). The flow should be less than 1 L/min (0.3 US gpm).



    Illustration 6g01408600

  1. Move amplitude selector switch (6) to the LOW AMPLITUDE position.



    Illustration 7g01408602

  1. Depress vibratory switch (7) on top of propulsion lever in order to start the vibratory system.

  1. Read the flow on the flow meter. The flow should be 5.5 plus 2 and minus 1 L/min (1.5 plus 0.5 and minus 0.3 US gpm).

  1. Depress vibratory switch (7) on top of propulsion lever in order to stop the vibratory system.

  1. Move amplitude selector switch (6) to the HIGH AMPLITUDE position.

  1. Depress vibratory switch (7) on top of propulsion lever in order to start the vibratory system.

  1. Read the flow on the flow meter. The flow should be 5.5 plus 2 and minus 1 L/min (1.5 plus 0.5 and minus 0.3 US gpm).

  1. Depress vibratory switch (7) on top of propulsion lever in order to stop the vibratory system.

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

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

  1. Remove Tool (A) from the vibratory pump and reconnect case drain line (5) .

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