Operate Foam Marker System

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

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

   
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   A - Cap

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

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2. Fill rinse tank with clean water. (See Filling Rinse Tank Using Left-Hand Rinse Fill in Wet System section for procedure.)

3. 
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   A - Setup Softkey

   B - Spray Setup Tab

   C - Drop-Down Box

   D - Foam Marker Switch

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

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4. Select the Spray Setup tab (B).

5. Select drop-down box (C) next to “Foam Marker” and the following options will be available:

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

6. Select “MANUAL”.

7. 
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   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).

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8. Remove foamer box cover.

9. 
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   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

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

11. 
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    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.

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

13. 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.