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I. The main adjusting items of DB2000-IIA injection pump test stand are as follows:

1. Test capacity and uniformity of fuel supply in each cylinder of injection pump.

2. Check supplying interval angle of injection pump statically.

3. Check working performance of mechanic and pneumatic governor.

4. Test sealing performance of injection pump.

5. Do an experiment on advance device and air governor with accessories.

6. Measure oil return capacity and pump’s inner pressure at various speeds.

7. Check pressure compensator of distribution pump.

8. Adjust working performance of vacuum governor.

II. Main technical data

Model                                                                                                   DB2000-IIA

Rotating speed range of main shaft (rpm)                                   0~4000

Rotation direction of main shaft                                                      Positive, negative

Testable cylinders of injection pump                                            12

Maximum output power (kw)                                                           5.5/7.5/11/15

Height from center line of main shaft to work table (mm)         125

Capacity of fuel tank (L)                                                                    60

Fuel supply pressure of fuel system (Mpa)

Low Pressure                                                                                     ≥0.4

High Pressure                                                                                    ≥4

Supply capacity of fuel system (L / min)                                        ≥8

Oil measuring frequency                                                                  0-1000/50

Controlling temperature of fuel (°C)                                               40±2

DC. voltage (V) 12/24

Power of motor (kw)                                                                          5.5/7.5/11/15

Pressure of air way (Mpa)                                                                -0.1-1

Overall dimension (mm) (length×width×height)                         1820×850×1700

Weight (kg)                                                                                         1350

Standard model of fuel injector                                                       ZS12J1

Opening pressure (Mpa)                                                                 17.5±0.2