Cylinder Drift - Check - Loaded Bucket
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349F and 352F Excavators Hydraulic System
[UENR2955]
349F and 352F Excavators Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
349F and 352F Excavators Hydraulic System
Cylinder Drift - Check - Empty Bucket
HYDRAULIC SYSTEM
CYLINDER GP
349F and 352F Excavators Hydraulic System
Cylinder Drift - Check - Loaded Bucket
349F and 352F Excavators Hydraulic System
Cylinder Drift - Check - Empty Bucket
349F and 352F Excavators Hydraulic System
Cylinder Speed - Check
349F and 352F Excavators Hydraulic System
Relief Valve (Counterweight Cylinder) - Test and Adjust
1.1. Specifications
2.1. Introduction
3.1. Required Tools
4.1. Test Procedure
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| "Cylinder Drift - Check (Loaded Bucket)" | |||
|---|---|---|---|
| Item | New | Service Limit | Actual |
| Boom Cylinder | |
|
|
| Stick Cylinder | |
|
|
| Bucket Cylinder | |
|
|
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".
Show/hide table
| Required Tools | |
|---|---|
| Description | Qty |
| Measuring Tape | 1 |
| Stopwatch | 1 |
Show/hide table
| |
| Illustration 1 | g00298378 |
- Position the machine on level ground. Refer to Illustration 1.
- Load the bucket.
- Raise the boom until the stick to bucket pin is the same height as the boom foot pin.
- 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. - Measure the length of each cylinder from cylinder pin to cylinder pin.
- Stop the engine.
- Leave the machine in this position for 3 minutes. Measure the length of each cylinder from cylinder pin to cylinder pin for drift.
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