Adjust Tank Lid Down Pressure and Centering Tabs

IMPORTANT: If lid is not sealed tightly or tank is not pressurized, product will not meter properly.

Inspect tank lid seals (D) before adjustment. Verify seal is free of cuts, damage, and product has not built up on seal. Replace as necessary.


Centering Tabs

  1. A46455
    A46455-UN-18AUG00

    A - Centering Tab

    B - Overlap Distance

    C - Tank Lid

    D - Seal

    E - Gap

    Center tank lid (C) so the overlap distance (B) is the same on each side of seal (D). Adjust centering tabs (A) so gap (E) meets specification.

    ItemMeasurementSpecification
    Lid to TabGap1.5 mm (1/16 in.)



  2. Tighten hardware in position.


Tank Lid Down Pressure

Tank lid down-pressure is adjustable to reduce air leaks. Use powder or fine dirt to check for air leakage around lid perimeter.

To adjust lid proceed as follows:

  1. A43546
    A43546-UN-26AUG99

    Open lid and place in the upper locked position.



  2. A43545
    A43545-UN-27SEP99

    A43473
    A43473-UN-03JUN99

    A - Set Screw

    B - Gap

    Adjust latch set screw (A) to set pivot clearance gap (B) to specification.

    ItemMeasurementSpecification
    PivotClearance3.2 mm (1/8 in.)



  3. A49160
    A49160-UN-02MAY02

    A - Notch

    Identify notch (A).



  4. A43547
    A43547-UN-26AUG99

    Lower handle, allowing lid to rest on tank in unlocked position.



  5. NOTE: Swing arm adjustment bolt does not have a gap with lid in this position. If adjustment is necessary, lightly press down on the lid handle while making adjustment.

    A49160
    A49160-UN-02MAY02

    A46308
    A46308-UN-10JUL00

    A - Notch

    B - Coupling Nut

    Top of pin is at notch (A). Adjust as necessary by turning coupling nut (B).



  6. Close lid and check for complete seal when lever is down and locked.

LD45720,00005AE-19-20120209