Operate Foam Marker System

  1. NOTE: Use John Deere foam concentrate for best results.

    Shake foam concentrate well before adding to tank. Store foam concentrate in a warm place, where it will not be frozen.

    N98848
    N98848-UN-17SEP12

    A - Cap

    Remove cap (A) and fill foam concentrate tank with foam concentrate.


  2. Fill rinse tank with clean water. (See Fill Rinse Tank Using Rinse Tank Fill Valve in Wet System section of this manual.)

  3. N102219
    N102219-UN-11FEB13

    A - Setup Softkey

    B - Spray Setup Tab

    C - Foam Marker Softkey

    Select the Setup softkey (A) to view the setup menu.


  4. Select the Spray Setup tab (B).

  5. Select the foam marker softkey (C).

  6. N116134
    N116134-UN-01APR15

    A - Drop-down Box

    B - Enter Key

    Select drop-down box (A) next to “Output” and the following options are available:

    • “OFF”
    • “AUTO”
    • “MANUAL”


  7. Select “MANUAL”.

  8. N87491
    N87491-UN-11MAR10

    A - Air Pressure Regulator

    Start engine and adjust air pressure regulator (A) on the top of foamer control box to no more than 172 kPa (1.7 bar) (25 psi).


  9. Remove foamer control box cover.

  10. N88056
    N88056-UN-11MAR10

    A - Water Inlet Control Valve

    B - Foam Concentrate Inlet Control Valve

    C - Priming Valve

    Adjust water inlet control valve (A) and foam concentrate inlet control valve (B) to the suggested starting positions in the following table.

    To set water and foam concentrate valves:

    1. Fully back off jam nut on the valve.

    2. Fully close valve by turning clockwise.

    3. Open valve, by turning counterclockwise, the number of turns required.

    4. Tighten the jam nut.

    Needle Valve Setting (Number of turns open)

    Foam Concentrate Mix Ratio

    Air Pressure

    Water Valve

    Foam Concentrate Valve

    100:1

    25 psi

    3-1/8 turns

    5/8 turns

    80:1

    25 psi

    2-7/8 turns

    5/8 turns


  11. Open priming valve (C) to prime pump. Close valve when pump has primed.

  12. N83091
    N83091-UN-04FEB09

    A - Foam Marker Control Switch

    Press foam marker control switch (A) to “LEFT” position.

    NOTE: In approximately two minutes, foam should generate out of left-hand collector.


  13. Press foam marker control switch (A) to “RIGHT” position.

  14. If foamer system fails to operate as described, see Troubleshooting section in this manual.

    NOTE: If storing machine in cold climate, see Preparing Foam Marker System For Cold Weather Storage in Storage section.

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