Measure fuel intake pressure upstream of fuel pump

AR07.15-B-2000-05TC

Measure fuel intake pressure upstream of fuel pump

Engine

457 in model 695.023/053, 958.431/433/434/441/443/444/451/452/453/454/461/471/472/478

Engine

457 in model 695.023/053

Engine

457.9 in model 934.241/251

Engine

460.984 in model 934.241/251, 938.142

Modification notes

30.10.2019

Fuel line hollow screw in the heat exchanger

BA47.25-B-1009-01A

Test values of the low pressure fuel circuit

Number

Designation

Engine 457.9, 460.9

BE47.00-B-1004-01A

Fuel suction pressure before the fuel pump

Turn off speed

bar

-0,30...-0,15

 Fuel line/hose

Number

Designation

Engine 457.9, 460.9

BA47.25-B-1009-01A

Fuel line hollow screw in the heat exchanger

Nm

50

1

Remove the fuel supply line (3) in the fuel heat exchanger (1).

2

Install the  test device (2) with  test tubing (2.1), ring piece (5), .  double hollow bolt M161,5 (4) and the fuel supply line (3) on the fuel heat exchanger (1).

 When tightening and positioning the test tubing (2.1) on the test device (2), do not damage or break the plastic "T" piece.

3

Close the free end of the test tubing (2.1) with the  clip (6).

4

Position and fix the test device (2) on the frame of the chassis.

5

Start the engine and let it run.

6

Perform the measurement and read the .  fuel suction pressure on the test device (2).

 Perform the measurement at the control rotation (2080 rpm) and compare it with the prescribed values.

7

Turn off engine.

8

Remove the test device (2) with the test tubing.

9

Install the fuel supply line (3).

 Replace sealing rings.