Key facts
- Brand
- Rexroth
- Model
- AA4VG Series 3
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-16
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Rexroth AA4VG Series 3 Variable Displacement Pump Application and Service Manual
The document is an Application & Service Manual for the Rexroth AA4VG Series 3 variable displacement pump. It details ordering procedures, technical data including pressure ratings and fluid recommendations, and various configuration options such as control types and shaft options.
The guide provides comprehensive instructions for installation in any position around the horizontal axis, start-up procedures, and routine maintenance tasks like filter replacement and seal inspection. It also includes troubleshooting steps and specific adjustment procedures for relief valves and mechanical centering.
Rexroth AA4VG Series 3 specifications
| Nominal Pressure (Port A or B) | 400 bar (5800 psi) |
|---|---|
| Peak Pressure (Port A or B) | 450 bar (6525 psi) |
| Maximum Case Drain Pressure | 2 bar abs. (30 psia) |
| Charge Pump Nominal Pressure | 20 bar (290 psi) |
| Operating Viscosity Range | 80...170 SUS (16...36 mm2/S) |
| Min. Operating Temperature | -40°F (-25°C) |
Source: Rexroth AA4VG Series 3 Variable Displacement Pump Application and Service Manual
All Rexroth AA4VG Series 3 documents by type
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
What hydraulic fluid is recommended for the AA4VG pump?
The pumps are supplied as standard for use with good quality, petroleum oil based, anti-wear hydraulic fluids.
From: Rexroth AA4VG Series 3 Variable Displacement Pump Application and Service Manual
What is the minimum cleanliness level required for hydraulic fluid?
The hydraulic fluid must be maintained at a minimum cleanliness level of 18/15 (ISO/DIS 4406; SAE J1165).
From: Rexroth AA4VG Series 3 Variable Displacement Pump Application and Service Manual
What hydraulic fluid is recommended for standard operation?
The pumps are supplied as standard for use with good quality, petroleum oil based, anti-wear hydraulic fluids.
From: Rexroth AA4VG Series 3 Variable Displacement Pump Application & Service Manual
In which direction should the case drain line be connected?
The case drain line should be connected to the highest case drain port (T 1 or T2) so that the pump case always remains full of oil.
From: Rexroth AA4VG Series 3 Variable Displacement Pump Application & Service Manual