Cylinder Drift - Check - Loaded Bucket
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325C Excavator Hydraulic System
[RENR5365]
325C Excavator Hydraulic System
Travel on Level Ground - Test - Optional Test
325C Excavator Hydraulic System
Specifications
HYDRAULIC SYSTEM
CYLINDER GP
315B Excavator Hydraulic System
Cylinder Drift - Check - Empty Bucket
325C Excavator Hydraulic System
Cylinder Drift - Check - Loaded Bucket
325D and 329D Excavators Hydraulic System
Cylinder Speed - Check
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".
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| Required Tools | |
|---|---|
| Description | Qty |
| Measuring Tape | 1 |
| Stopwatch | 1 |
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 | |
| Illustration 1 | g00298378 |
- Position the machine on level ground. Refer to Illustration 1.
- Load the bucket.
Weight of bucket load
- 325C ... 1980 kg (4370 lb)
- 325C L ... 2160 kg (4760 lb)
- 325C ... 1980 kg (4370 lb)
- Raise the boom until the top stick 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 each cylinder's length from cylinder pin to cylinder pin.
- Stop the engine.
- Leave the machine in this position for three minutes. Measure each cylinder's length from cylinder pin to cylinder pin for drift.
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| Cylinder Drift (Loaded Bucket) | |||
|---|---|---|---|
| Item | New | Rebuild | Service Limit |
| Boom Cylinder | 6.0 mm (0.24 inch) or less |
12.0 mm (0.47 inch) or less |
24.0 mm (0.95 inch) or less |
| Stick Cylinder | 12.0 mm (0.47 inch) or less |
18.0 mm (0.71 inch) or less |
30.0 mm (1.18 inch) or less |
| Bucket Cylinder | 18.0 mm (0.71 inch) or less |
27.0 mm (1.06 inch) or less |
45.0 mm (1.77 inch) or less |
Information System:
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Swing Speed and Overswing on Level Ground - Check
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Travel on Level Ground - Test - Optional Test
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Travel on Level Ground - Test
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Sampling Interval and Location of Sampling Valve
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Engine Performance - Test - Engine Speed
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Operational Checks
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Hydraulic Lockout Control
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Control Valve (Swing) - Assemble
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Cylinder Speed - Check
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Specifications
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Main Hydraulic Pump - Install
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Relief Valve (Pilot) - Test and Adjust
325C Excavator Hydraulic System
Relief Valve (Main) - Test and Adjust
325C Excavator Hydraulic System
Relief Valve (Crossover) - Test and Adjust
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Specifications
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Relief Valve (Swing) - Test and Adjust
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Main Control Valve
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