Preparing Foam Marker System for Cold Weather Storage

IMPORTANT: Damage to foam marker can occur if liquid is allowed to freeze in tank and lines. Drain liquid from tank and lines. Flush and purge all liquid from foam marker system.

1. Drain the following:

• Foam solution tank-Remove foam concentrate hose to drain tank. Clean with Foam Tank Cleaner (U.S.-Part No. N205701) (Canada-Part No. N207333).
• Foam concentrate lines-Remove liquid foam concentrate lines on foam control box and blow out with pressurized air.

2. Remove in-line filter (A) from bottom of foam marker tank.

3. Flush tank with warm water.

4. Install in-line filter on bottom of tank.

5. Start machine and allow foam marker system to operate until no foam is generated.

6. Turn off machine and add approximately 3.78 L (1 gal) of windshield washer solvent to foam tank.

7. Turn machine on and operate foam marker system until washer solvent is drained.

8. Check air and liquid lines for holes. Repair as necessary.

A-Filter

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