GLASS-FRONT 3733160 - Caterpillar

Specification
Table 1
Cylinder Drift (Empty Bucket)
Item Cylinder Drift New Service Limit
Boom Cylinder Retract 4.5 mm (0.18 inch) or less 11.0 mm (0.43 inch) or less
Stick Cylinder Extend 10.0 mm ( 0.39 inch) or less 25.0 mm ( 0.98 inch) or less
Bucket Cylinder Retract 10.0 mm (0.39 inch) or less 25.0 mm (0.98 inch) or less
Stick Cylinder Retract 25.0 mm ( 0.98 inch) 62.0 mm (2.44 inch)
Bucket Cylinder Extend 20.0 mm (0.79 inch) 50.0 mm (1.97 inch) Introduction
The performance level of the cylinder, the cylinder seals, and the overload relief valves for the implements can be determined with the following procedure.Note: The machine configuration that is used during this test can affect the results of 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".Required Tools
Table 2
Description Qty
Measuring Tape 1
Stopwatch 1 Test Procedure
Illustration 1 g00298378Position the machine on level ground. Empty the bucket. Refer to Illustration 1.Boom Cylinder Retract, Stick Cylinder Extend, and Bucket Cylinder Retract
Fully extend the bucket cylinder.
Fully retract the stick cylinder.
Extend the stick cylinder rod 70 mm (2.8 inch) from the fully retracted position.
Illustration 2 g01402004
Raise the boom until the stick to bucket pin is the same height as the boom foot pin. Refer to Illustration 2.
Measure each cylinder length from cylinder pin to cylinder pin.
Stop the engine.
Leave the machine in this position for 5 minutes. Measure each cylinder length from cylinder pin to cylinder pin for drift. Stick Cylinder Retract
Start the engine.
Fully extend the bucket cylinder.
Fully extend the stick cylinder.
Retract the stick cylinder rod 60 mm (2.4 inch) from the fully extended position.
Illustration 3 g01401745
Raise the boom until the stick to bucket pin is 600.0 mm (23.6 inch) high from ground level. Refer to Illustration 3.
Measure the stick cylinder length from cylinder pin to cylinder pin.
Stop the engine.
Leave the machine in this position for 5 minutes. Measure the stick cylinder length from cylinder pin to cylinder pin for drift. Bucket Cylinder Extend
Start the engine.
Fully retract the bucket cylinder.
Fully retract the stick cylinder.
Illustration 4 g01401747
Raise the boom until the stick to bucket pin is 600.0 mm ( 23.6 inch) high from ground level. Refer to Illustration 4.
Measure the bucket cylinder length from cylinder pin to cylinder pin.
Stop the engine.
Leave the machine in this position for 5 minutes. Measure the bucket cylinder length from cylinder pin to cylinder pin for drift.