BRAKE KT 5692411 - Caterpillar

Required Tools
Table 2
Required Tools    
Description    Qty    
Stopwatch     1    Test Procedure
Perform the following steps in order to test the operating speed of the boom cylinders.
Table 3
Boom Cylinder    
Cylinder Position    New    Rebuild (1)    Service Limit (1)    
Extension     3.2 0.5     3.9     4.5    
Retraction     2.0 0.5     2.7     3.2    
( 1 ) Maximum
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 to full extension.
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 3 for the operating speed of the boom cylinders.
Perform the following steps in order to test the operating speed of the stick cylinder.
Table 4
Stick Cylinder    
Cylinder Position    New    Rebuild (1)    Service Limit (1)    
Extension     2.6 0.5     3.3     3.8    
Retraction     2.5 0.5     3.2     3.6    
( 1 ) Maximum
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 to full extension.
Extend the stick cylinder. With a stopwatch, measure the time that is required to retract the stick cylinder to full retraction.
Refer to the specifications in Table 3 for the operating speed of the stick cylinder.
Perform the following steps in order to test the operating speed of the bucket cylinder.
Table 5
Bucket Cylinder    
Cylinder Position    New    Rebuild (1)    Service Limit (1)    
Extension     3.6 0.5     4.7     5.4    
Retraction     1.9 0.5     2.4     2.8    
( 1 ) Maximum
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 to full extension.
Position the bucket cylinder at full extension. With a stopwatch, measure the time that is required to retract the bucket cylinder to full retraction.
Refer to the specifications in Table 3 for the operating speed of the bucket cylinder.