LINES GP-PRESSURE TEST 4446991 - Caterpillar

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Press rpm decrease switch (10) once to operate the engine in low idle.
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Examine the display. If "Regen Conditions Not Met" warning (11) is shown and the banner is yellow, allow the engine to operate until the regeneration cycle is complete. The cycle may require up to 1 hour to complete. If the warning banner is red, use Cat® ET to complete a regeneration cycle as soon as possible. If no engine regeneration warning is shown, go to the next step.
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Press and hold push to start switch (12). Release the switch when the engine stops.
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Move machine power switch (13) to the OFF position.
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Install a small piece of reflective tape (14) from Tool (A) on vibratory shaft (15).Test Procedure
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Move machine power switch (13) into the ON position. After the home screen is shown on display (16), press, and hold push to start switch (12). Release the switch when the engine starts.
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Actuate screen unlock switch (17) to enable the touch screen on the display.Note: When the display is enabled, an LED next to the screen unlock switch is illuminated.
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Tap status icon (17) to enter the status screen.
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Operate the engine at low idle for a few minutes. Press rpm increase switch (18) once to operate the engine in high idle.
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Monitor hydraulic oil temperature on display (19). Operate the machine until the oil temperature reaches the temperature given in the specifications section.
Tap screed compaction control icon (20).
Illustration 15 g06064381Note: The above illustration shows the left screed operator panel. The right screed operator panel is similar and can also be used.
Actuate mode select switch (23) until vibratory mode indicator (22) is illuminated.
Rotate rotary dial (25) clockwise until all indicators (24) are illuminated.
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Vibratory speed (27) on the display should be 3000 rpm.
If vibratory icon (26) is gray and on the left side of the box, tap the icon. If the vibratory icon is green and on the right side of the box, go to the next step.
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Squeeze trigger (28) and move propel lever (4) into the FORWARD range.
Use Tool (A) to record the speed of the vibratory shaft. Refer to "Specifications" Table 2.
Tap vibratory icon (26) to stop the vibratory shaft from rotating.
Move propel lever (4) to the NEUTRAL position.
Press rpm decrease switch (10) once to operate the engine in low idle.Note: If necessary. perform a regeneration cycle before the engine is stopped.
Press and hold push to start switch (12). Release the switch when the engine stops.
Move machine power switch (13) to the OFF position.
Analyze the recorded speed reading. The speed specification is given in the specifications section above. If the vibratory speed reading is within the specified range, the system is operating within design parameters. If vibratory speed is less than the specified range, calibrate the vibratory solenoid. Refer to Systems Operation Testing and Adjusting, Solenoid Valve (Vibratory Motor) - Calibrate.