Correction to Systems Operation , "Speed Control System" {4000, 4350}
- Wheel Harvester :
- 550B (S/N: SAW1-UP)
- 560B (S/N: TRA1-UP)
- 570B (S/N: CKG1-UP)
- 580B (S/N: CLT1-UP)
A portion of the existing service manual is incorrect. Replace the table for the Six Wheel Harvesters with the following information. The remainder of the information is correct.
Show/hide table
| Six Wheel Harvesters | ||||
| Gear Speed |
Speed of Travel Motor | Displacement of Travel Motor | ||
| Front | Rear | Front | Rear | |
| First Speed (1) | Low | Low | High | High |
| Second Speed (2) | Freewheel (3) | Low | Freewheel (3) | High |
| Third Speed (4) | Freewheel (3) | High | Freewheel (3) | Low |
Show/hide table
| ( 1 ) | The rear power train pump is running at 83%. |
| ( 2 ) | The rear power train pump is running at 100%. The rear wheel motors are at high displacement. |
| ( 3 ) | Oil from the front power train pump is blocked to the front travel motors. The front travel motors are also neutralized with charge pump oil. This allows the front travel motors to freewheel. |
| ( 4 ) | The rear power train pump is running at 100%. The rear wheel motors are at low displacement. |
Caterpillar Information System:
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