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OPERATOR AR 3905222 - Caterpillar



3905222 OPERATOR AR Caterpillar parts OPERATOR
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Alternative (cross code) number:
CA3905222
390-5222
3905222
Caterpillar 3905222 OPERATOR AR

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Remove the cap from charge pressure tap (14) on the left propel pump. Connect second Tool (A2) to the pressure tap.Note: The right and left propulsion systems share a common charge pressure tap located on the left propel pump.Test Procedure
Charge Relief Test Procedure
Move machine power switch (10) to the ON position.
Press push to start switch (7) for 2 seconds to start the engine. An LED next to the push to start switch will flash when the engine is in start mode. When the engine has started, the LED will remain illuminated.Note: Only one attempt to start the engine is allowed per key cycle. A new key cycle is necessary to restart the process.
Operate the engine at low idle for a few minutes.
Illustration 13 g03795721
Press rpm increase switch (16) on the throttle control to place the engine in high idle. The engine speed should increase to 2200 rpm.
Monitor the hydraulic oil temperature on operator display (15). Operate the machine until the oil temperature reaches 43 5.6 °C (110 10 °F).
Record the pressure at charge pressure tap (14). The charge pressure should be 2425 175 kPa (352 25 psi).
Record the pressure at case drain tap (13). The case drain pressure should be 175 kPa (25 psi) to 410 kPa (59 psi).
Subtract the pressure that was recorded in Step 7 from the pressure that was recorded in Step 6. The differential pressure should be 1950 kPa (283 psi) to 2500 kPa (363 psi).
Press rpm decrease switch (9) for the throttle control once to operate the engine in low idle.
Shut off the engine. Either place machine power switch (10) in the OFF position or press and hold push to start switch (7) for 3 seconds. An LED next to the push to start switch will flash when the engine is in shutdown mode.
If the push to start switch (7) was used to shut off the engine, move machine power switch (10) to the OFF position.
If the pressure is within the specified range, go to Flushing Valve Test Procedure. If the pressure is not within the specified range, go to Charge Relief Adjustment Procedure, Step 1.Flushing Valve Test Procedure
Move machine power switch (10) to the ON position.
Press push to start switch (7) for 2 seconds to start the engine. An LED next to the push to start switch will flash when the engine is in start mode. When the engine has started, the LED will remain illuminated.Note: Only one attempt to start the engine is allowed per key cycle. A new key cycle is necessary to restart the process.
Illustration 14 g03795721
Press rpm increase switch (16) on the throttle control to place the engine in high idle. The engine speed should increase to 2200 rpm.
Monitor the hydraulic oil temperature on operator display (15). Operate the machine until the oil temperature reaches 43 5.6 °C (110 10 °F).
Operate the engine at low idle for a few minutes.
Personal injury or death can result from sudden machine movement.Sudden movement of the machine can

Caterpillar SIS machinery equipment:

Caterpillar SIS
  • CB64B, CB66B & CB68B Vibratory Compactor B6600001-UP (MACHINE) POWERED BY C4.4 Engine » 390-5222 OPERATOR AR
  • CB68B, CB66B, CB64B Vibratory Compactor 47500001-UP (MACHINE) POWERED BY C4.4 Engine » 390-5222 OPERATOR AR

Caterpillar parts catalog:

Caterpillar parts catalog
CB64B, CB66B & CB68B Vibratory Compactor B6600001-UP (MACHINE) POWERED BY C4.4 Engine
CB68B, CB66B, CB64B Vibratory Compactor 47500001-UP (MACHINE) POWERED BY C4.4 Engine


Parts operator Caterpillar catalog:

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