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    Fuel Injector Sincronização

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    FLAVIO MARTINS
    Ajuste de injetores

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    Fuel Injector Sincronização

    Uploaded by

    FLAVIO MARTINS
    19 views4 pages
    Ajuste de injetores

    Original Title

    FUEL INJECTOR SINCRONIZAÇÃO

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    © © All Rights Reserved

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    Ajuste de injetores

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    19 views4 pages

    Fuel Injector Sincronização

    Uploaded by

    FLAVIO MARTINS
    Ajuste de injetores

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 4

    3508 Marine Engine 96Y00683-UP(SEBP1553 - 58) - Documentation Page 1 of 4

    Shutdown SIS

    Previous Screen

    Product: MARINE ENGINE


    Model: 3508 MARINE ENGINE 96Y01487
    Configuration: 3508 Marine Engine 96Y00683-UP

    Testing and Adjusting


    3500 Marine Engines
    Media Number -SENR2374-04 Publication Date -01/07/2010 Date Updated -22/07/2010

    i07708899

    Fuel Injector Synchronization


    SMCS - 1290-025

    Table 1
    Tools Needed
    8T-2684 Rack Synchronization Gauge 1

    Injector synchronization is the setting of all fuel injector racks to a reference position so each
    injector gives the same amount of fuel to each cylinder. Injector synchronization is done by setting
    each fuel injector rack to the same position while the control linkage is in a fixed position. Use the
    following procedure for the adjustment of injector synchronization:

    Illustration 1 g00323443
    Location of fuel setting cover and synchronization pin (typical example)
    (1) Plug
    (2) Synchronization pin
    (3) Cover

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    3508 Marine Engine 96Y00683-UP(SEBP1553 - 58) - Documentation Page 2 of 4

    1. The top bolt that holds cover (3) in position is synchronization pin (2). Remove
    synchronization pin (2) and plug (1) from the front drive housing. DO NOT destroy the seal
    or remove cover (3).

    2. Remove the washer from the synchronization pin. Remove the plug and install the
    synchronization pin into the threaded hole. Tighten the synchronization pin.

    Illustration 2 g00323444
    Position of the synchronization pin (typical example)
    (2) Synchronization pin
    (4) Fuel stop lever

    3. Turn the governor or the actuator terminal shaft to the fuel ON position until the flat face of
    fuel stop lever (4) contacts synchronization pin (2). This is the synchronizing position or
    zero reference point. Hold the control linkage in this position when the injectors are
    adjusted.

    4. Remove the valve covers.

    Illustration 3 g00323446
    Location for gauge and control rod adjustment (typical example)
    (5) 8T-2684 Rack Synchronization Gauge
    (6) Control rod

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    3508 Marine Engine 96Y00683-UP(SEBP1553 - 58) - Documentation Page 3 of 4

    Illustration 4 g06403280
    The trim screw protruding from the injector body.

    5. With the fuel stop lever against the synchronization pin, put the 8T-2684 Rack
    Synchronization Gauge (5) on the round part of the fuel injector rack between the fuel
    injector body and the end of the rack. Use a screwdriver and make an adjustment of control
    rod (6). Turn the screw that is on the control rod one click at a time until the 8T-2684 Rack
    Synchronization Gauge fits between the shoulder at the end of the rack and the fuel injector
    body, or the head of the trim screw when the head of the trim screw protrudes from the
    injector body. Remove the screwdriver from the control rod so that no pressure remains on
    the linkage. Check the setting with the rack synchronization gauge. Any pressure on the
    linkage with the screwdriver will not give a correct indication when the setting is checked
    with the rack synchronization gauge. Ensure that the linkage is free and that the linkage is
    giving an accurate setting by moving the linkage. Check the setting again. Put the box end
    of a combination wrench over the nut and the bolt. The nut and the bolt connect control rod
    (6) and the bellcrank. Pull upward on the control rod three times. Check the setting again.

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    3508 Marine Engine 96Y00683-UP(SEBP1553 - 58) - Documentation Page 4 of 4

    Illustration 5 g00323448
    Gauge in place on the fuel injector rack (typical example)
    (5) 8T-2684 Rack Synchronization Gauge
    (7) Fuel injector rack

    6. If the other injectors need to be adjusted, use rack synchronization gauge (5). When all
    adjustments have been made, release the actuator terminal shaft.

    Illustration 6 g00323450
    Adjustment of fuel control rod (typical example)
    (5) 8T-2684 Rack Synchronization Gauge.

    7. Install the valve covers.

    8. Check the fuel setting and perform any necessary adjustments. Refer to Testing and
    Adjusting, "Fuel Setting" for this procedure.

    Copyright 1993 - 2022 Caterpillar Inc. Wed Sep 28 00:47:22 UTC-0300 2022
    All Rights Reserved.
    Private Network For SIS Licensees.

    https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sis... 28/09/2022

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