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    3042F331 DATA Catalog

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    Milan

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    © All Rights Reserved
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    3042F331 DATA Catalog

    Uploaded by

    Milan
    13 views2 pages

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    © © All Rights Reserved

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    Copyright:

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    13 views2 pages

    3042F331 DATA Catalog

    Uploaded by

    Milan

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 2

    3042330 Issue No: 2

    Test Plan
    Cummins 4BT 3.9 Date: 01/06/89

    PUMP SPECIFICATION.
    Rotation: Clockwise.
    Governor type: Mechanical all-speed.
    Gov.Link Length: 53.5 ± 0.5 mm.
    Governor spring position: See nameplate code.
    Plunger diameter: 9.0 mm.
    Roller to roller: 50.1 mm for A40L mm3/st coding.
    Roller to roller: 50.1 mm for A42L mm3/st coding.
    Roller to roller: 50.2 mm for A44L mm3/st coding.
    Drive type: Uprated with supported shaft.
    Advance type: Automatic speed.
    Transfer pressure adjuster in end plate.
    Solenoid shut-off device, 12 volts.
    Cambox pressurising valve.
    OEM Code: 3916530 ISO Code: A44L900/5/2300
    OEM Code: 3910002 ISO Code: A40L900/5/2300
    OEM Code: 3916534 ISO Code: A42L900/1/2200

    ISO TEST CONDITIONS.


    This data is only valid for the test conditions specified and the
    following test benches: HA3000/HA2500/HA1150/HA1100MkII/HA875
    HA700/HA400/AVM/PGM
    Test fluid: ISO 4113 at 40 ± 2 °C
    Nozzles: ISO 4010.
    Nozzle opening pressure: 172 + 3 - 0 bar.
    H.P. pipes: 6 x 2 x 845 mm (ISO 4093.2).

    PRE-TEST NOTES.
    Screw transfer pressure adjuster fully out, then 3 turns in.
    Minimum piston spring cap shim thickness 1.0 mm .
    No additional shimming is required.

    ISO TEST PROCEDURE.


    Test Operation S/C RPM Requirement
    1. Priming (C) 100 Obtain delivery from all injectors.
    No air in pump back leak.
    2. Transfer Press (C) 100 Minimum 0.7 bar,( 10 psi).
    3. Advance (S) 500 3°. Adjust T.P. Screw.
    4. Advance (C) 1050 5.75° to 6.25°.
    5. Transfer Press (C) 1050 5.2 to 6.2 bar(75 to 90 psi)
    6. Backleakage 1050 10 to 100 cm3 per 100 strokes.
    (Flow rate 105 to 1050cm3/min.)
    7. Max. Delivery (S)* See Coded value ± 0.5 mm3/st.
    (Coded Pumps) code Maximum spread 6.0 mm3/st.
    8. Delivery (C)* 100 Minimum as test(7 ) - 8.0 mm3/st.
    9. Cambox Press (C) 400 0.2 to 0.4 bar ( 3 to 6 psi).
    10. Shut-off lever (C) 200 Max. 0.8cm3. Shut-off lever closed
    11. Delivery - S/C 200 Maximum 1.0cm3.
    Low load Throttle lever closed.
    12. Delivery (C) Table Record delivery cm3.
    13. Governor (S) Table 2.0 cm3. Maximum Line 3.0 cm3.
    14. Delivery (C) Table Throttle as test(13),
    Minimum as test(12) - 0.4 cm3.
    15. Governor (S) See 2.0cm3.
    (Coded Pumps) code (Pump speed is half engine speed).
    Stop machine, remove T.P. gauge and replace head locking fitting.
    Prime as at test (1 ).
    16. Stop solenoid (C) 325 Max. 0.5cm3. De-energise solenoid.
    17. Timing S/C Outlet 'U ', Pressure 55 bar
    Indexing tool at 114°, Scribe line.
    Depressurise. Rotate drive 8° to
    pos'n 106° . Slide washer and torque
    shaft locking screw to 6.8 Nm
    Circlip at drive plate letter 'G '
    TABLE:
    Service T est(12) Test(13) Test(14)
    Setting
    Code r pm rpm rpm
    A40L900/1/2300 1050 1150 1050
    A42L900/1/2200 1000 1100 1000
    A44L900/5/2300 1050 1150 1050
    Note: Tie-on labels 6409-17A and 6409-17B should be tied to pump
    housing & drive shaft respectively - see SIN DPA A153.
    REFER TO STATEMENT AT END OF EXPLANATORY NOTES REGARDING MAXIMUM
    FUEL AND SPEED SETTING AND VARIATIONS IN ENGINE PERFORMANCE.

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