2929233 PUMP GP-GEAR Caterpillar parts
973D
Rating:
Alternative (cross code) number:
CA2929233
292-9233
2929233
CA2929233
292-9233
2929233
Weight: 12 pounds 5 kg.
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2023-10-24
2023-10-24
2023-10-24
2023-10-24
Compatible equipment models: 2929233:
Number on catalog scheme:
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Machine Preparation
Move the machine to a smooth horizontal location. Move away from working machines and personnel. Lower the attachments to the ground.
Allow only one operator on the machine. Keep all personnel away from the machine or in the view of the operator.
Engage the parking brake.Performance Test
Stall Test
The amount of oil flow that is produced by a pump will increase with the speed of the pump. You must first verify that the pump is operating at the rated speed in order to test the performance of a pump. You must perform the torque converter stall test in order to verify that a pump is operating at rated speed.
Shift the transmission to the NEUTRAL position.
Start the engine. Warm the transmission oil to normal operating temperature of approximately 76° to 112°C (169° to 234°F).
Place the bucket flat on the ground.
Fully depress the right side service brake pedal. Hold the brake pedal in the depressed position for the duration of the test.
Release the parking brake.
To make sure that the transmission oil does not overheat, do not keep the torque converter in a stall condition for more than 30 seconds. After the torque converter stall test, reduce engine speed to low idle, move the transmission control to neutral and increase the engine speed to approximately 1500 rpm to cool the oil.
Place the transmission in FOURTH SPEED.
Move the transmission direction switch to the FORWARD position.
Increase the engine speed to high idle.
Allow the engine speed to stabilize. Record the engine rpm.
Reduce the engine speed to low idle.
Shift the transmission to the NEUTRAL position.The correct stall speed for the 950G is 2145 65 rpm.The correct stall speed for the 962G/IT62G is 2185 65 rpm.Note: Perform a stall test in the FIRST SPEED FORWARD position for the 962G/IT62G machines. The correct stall speed should be 2125 65 rpm. Compare the test results for both speed tests. The difference between the two tests for the 962G/IT62G machines should be at least 40 rpm.Low stall speeds indicate a possible problem with engine performance. The stall speed should be corrected before the performance of the implement pump can be properly tested.Reference: For more information on the torque converter stall test, refer to the Service Manual module Testing and Adjusting, "Torque Converter Stall and Implement Pump Double Stall - Test" for the machine that is being serviced.Implement Cycle Time
The speed of the implements is affected by the amount of oil flow that is produced by the implement pump. Check the implement cycle times in order to determine if there may be a problem with the implement pump.
Perform the machine preparation for testing.
Warm the hydraulic oil to normal operating temperature of approximately 54° to 82°C (129° to 180°F).
Begin the test for the lift cycle time with the bucket flat on the ground.
Increase the engine speed to high idle.
Pull the lift control lever back to the full RAISE position. Measure the lift cycle time. Record the lift cycle time.
Raise the boom to the full raised position.
Tilt the bucket to
Move the machine to a smooth horizontal location. Move away from working machines and personnel. Lower the attachments to the ground.
Allow only one operator on the machine. Keep all personnel away from the machine or in the view of the operator.
Engage the parking brake.Performance Test
Stall Test
The amount of oil flow that is produced by a pump will increase with the speed of the pump. You must first verify that the pump is operating at the rated speed in order to test the performance of a pump. You must perform the torque converter stall test in order to verify that a pump is operating at rated speed.
Shift the transmission to the NEUTRAL position.
Start the engine. Warm the transmission oil to normal operating temperature of approximately 76° to 112°C (169° to 234°F).
Place the bucket flat on the ground.
Fully depress the right side service brake pedal. Hold the brake pedal in the depressed position for the duration of the test.
Release the parking brake.
To make sure that the transmission oil does not overheat, do not keep the torque converter in a stall condition for more than 30 seconds. After the torque converter stall test, reduce engine speed to low idle, move the transmission control to neutral and increase the engine speed to approximately 1500 rpm to cool the oil.
Place the transmission in FOURTH SPEED.
Move the transmission direction switch to the FORWARD position.
Increase the engine speed to high idle.
Allow the engine speed to stabilize. Record the engine rpm.
Reduce the engine speed to low idle.
Shift the transmission to the NEUTRAL position.The correct stall speed for the 950G is 2145 65 rpm.The correct stall speed for the 962G/IT62G is 2185 65 rpm.Note: Perform a stall test in the FIRST SPEED FORWARD position for the 962G/IT62G machines. The correct stall speed should be 2125 65 rpm. Compare the test results for both speed tests. The difference between the two tests for the 962G/IT62G machines should be at least 40 rpm.Low stall speeds indicate a possible problem with engine performance. The stall speed should be corrected before the performance of the implement pump can be properly tested.Reference: For more information on the torque converter stall test, refer to the Service Manual module Testing and Adjusting, "Torque Converter Stall and Implement Pump Double Stall - Test" for the machine that is being serviced.Implement Cycle Time
The speed of the implements is affected by the amount of oil flow that is produced by the implement pump. Check the implement cycle times in order to determine if there may be a problem with the implement pump.
Perform the machine preparation for testing.
Warm the hydraulic oil to normal operating temperature of approximately 54° to 82°C (129° to 180°F).
Begin the test for the lift cycle time with the bucket flat on the ground.
Increase the engine speed to high idle.
Pull the lift control lever back to the full RAISE position. Measure the lift cycle time. Record the lift cycle time.
Raise the boom to the full raised position.
Tilt the bucket to
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2904521
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