FRC Turbofoam TFC100 - Flushing and Cleaning Procedures; Foam Pump Oil Maintenance

TFC100 Rev180215
35
Flush the System
It is recommended that the system is ushed after each use to remove the foam concentrate from the ABF
selector valves, foam pump, strainer, and plumbing components. Ensure that the valve to the foam tank is closed
when ushing the system so that no water gets into the foam tank.
The TFC300/400 electric valves to the tank are automatically closed before the ush valve is opened. The
TFC400 automatically goes through a ush cycle when switching between A and B foam tanks except at start-up.
Note: If system is in ush mode and no water ows, after 2 minutes the pump shuts down.
1. Ensure that the foam tank shutoff valve(s) are closed and open the manual ush valve (if installed).
2. TFC200 dual tank set manual ABF selector lever to FLUSH position.
3. Press ON/OFF button. The LED is on. (% display must show a value, use PRESET or + and – buttons.)
4. Open discharge and ow water.
5. Press FLUSH button if installed. The LED (or light on remote button) ashes.
6. Flush system until water runs clear.
7. Press ON/OFF button. The LED goes off. System closes ush valve and is in off mode.
(If the FLUSH button is pressed, the system re-starts auto mode.)
8. Close the manual ush valve (if installed).
9. Close discharge.
10. Reset all valves as required.
Clean Paddlewheel Flow Sensors
The paddlewheel type ow sensors need to spin freely to generate ow rate data. Should the sensor get
clogged and stuck, it can be removed for cleaning.
Remove the retainer cap which holds the paddlewheel sensor in the housing and slide the sensor out.
Use plain water to clean the paddlewheel sensors. Do not use solvents.
Be careful when reinstalling the paddlewheel sensor. The paddlewheel only seats properly when in the
correct orientation. (Refer to Install Flow Sensor Section.)
Clean Strainer
The strainers are cleaned by removing the cap and pulling the screen out.
Clean the screen by rinsing it with water or brushing it gently.
Check/Change Foam Pump Oil
The foam pump oil should be checked regularly. Ensure the oil level is even with the line in the site glass
and the oil does not show signs of contamination. The site glass can be found on the side of the pump near the
vented dip stick.
Change the foam pump oil after rst 50 hours of use, then every 500 hours. (Reset code P122 after oil is changed.)
Manufacturer recommended oil: Triplex Plunger Pump Crankcase Oil - # AR64516
14.5 oz for 1.6, 2.1 and 2.6 GPM pump; 15 oz for 3.5, 5.0, and 6.0 GPM pump.
The oil plug is located directly below the sight glass on the pump.