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PIN 4Z8299 - Caterpillar



4Z8299 PIN Caterpillar parts PIN
Rating:
81
Alternative (cross code) number:
CA4Z8299
4Z-8299
4Z8299
Caterpillar 4Z8299 PIN
Weight: 138 pounds 62 kg.

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Table 1
Cylinder Operating Speed (seconds)    
Item    Specification    
Boom     Extension     3.5 0.3    
Retraction 3.0 0.3    
Stick     Extension     3.0 0.3    
Retraction 2.6 0.3    
CB-Family Bucket     Extension     3.9 0.3    
Retraction 2.3 0.3    Note: The engine speed and/or the machine configuration that is used during this test can affect the results of this test. Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for the engine speed that was used for this test. Refer to Testing and Adjusting, "Operational Checks" for the machine configurations that were used for this test.Note: The relief valve pressure settings must be set to the relief valve pressure specification before performing this operational check. Refer to Testing and Adjusting, "Specifications".
Perform the following steps in order to test the operating speed of the boom cylinders.
Illustration 1 g00298498
(A) Extension test (B) Retraction test
Place the machine on level ground.
The bucket should be empty.
Fully retract the bucket cylinder and the stick cylinder.
Position the bucket on the ground. With a stopwatch, measure the time that is required to extend the boom cylinders fully.
Position the boom cylinders at full extension. With a stopwatch, measure the time that is required for the bucket to come in contact with the ground.
Refer to the specifications in Table 1 for the operating speed of the boom cylinders.
Perform the following steps in order to test the operating speed of the stick cylinder.
Illustration 2 g00298558
(A) Extension test (B) Retraction test
Place the machine on level ground.
The bucket should be empty.
Position the upper surface of the boom parallel to the ground.
Fully extend the bucket cylinder.
Retract the stick cylinder. With a stopwatch, measure the time that is required to extend the stick cylinder fully.
Extend the stick cylinder. With a stopwatch, measure the time that is required to retract the stick cylinder fully.
Refer to the specifications in Table 1 for the operating speed of the stick cylinder.
Perform the following steps in order to test the operating speed of the bucket cylinder.
Illustration 3 g00298598
(A) Extension test (B) Retraction test
Place the machine on level ground.
The bucket should be empty.
Position the upper surface of the boom parallel to the ground.
Position the stick so that the stick is perpendicular to the ground.
Fully retract the bucket cylinder.
With a stopwatch, measure the time that is required to extend the bucket cylinder fully.
Position the bucket cylinder at full extension. With a stopwatch, measure the time that is required to retract the bucket cylinder fully.
Refer to the specifications in Table 1 for the operating speed of the bucket cylinder.


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