Lafferty 1-Way Acid LC Air Assisted Complete

VO07972306
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The 1-Way Acid LC Foamer is a foam applicator for projecting highly corrosive chemicals such as those used to remove concrete and for aluminum
brightening.

This acid-resistant venturi injection system uses standard city water pressure (40 - 125 PSI) to draw and blend a high concentration of acid into the water stream to create a strong solution. Rich, clinging foam is created by injecting compressed air into the solution to greatly increase volume and coverage ability. The foam is then projected through the discharge hose, extended wand and fan nozzle at distances up to 12 feet.

It requires 5L/m @ 35-125 psi water ● 70-170 L/m compressed air.

Attachment: Discharge Hose 19mm x 15m + complete foaming Gun & color-coded metering tips for up to 21 dilution ratios

Please click the image for the installation diagram.

Safety & Operational Precautions
When connecting to a potable water supply follow all local codes for backflow prevention.
For proper performance do NOT modify, substitute nozzle, hose diameter or length.

Manufacturer assumes no liability for the use or misuse of this unit.
Wear protective clothing, gloves and eye wear when working with chemicals.
Always direct the discharge away from people and electrical devices.
For pressures over 100 PSI, remove the discharge valve or lower pressure.
Never leave inlet ball valves on when unit is not in use.
Follow the chemical manufacturer's safe handling instructions.
NEVER mix chemicals without first consulting chemical manufacturer.

TO INSTALL (REFER TO DIAGRAM IN SLIDESHOW.)
1. Mount the unit to a suitable surface above the chemical supply to prevent siphoning.
2. Connect the discharge hose.
3. When connecting to a potable water supply follow all local codes for backflow prevention.
4. Connect water supply. To prevent blocking the small water jets in the foamer body, flush any new plumbing of
debris before connecting. If water piping is older and has known contaminants, install a filter.
5. Connect air supply. If air line is older and has known contaminants install a filter.
Set the chemical dilution ratio by threading one of the color coded metering tips into each chemical check valve.
For the strongest dilution ratio do NOT install a colored metering tip.
The dilution ratios in the metering tip chart are based on water thin chemicals with a viscosity of 1CPS.
Thicker chemicals will require a larger tip than the ratios shown in the chart.
Application results will ultimately determine final tip color.
Select the tip color that is closest to your desired chemical strength and thread it into the tip holder. DO NOT OVER
TIGHTEN.
Push the chemical tube over the check valve barb and place the strainer in the chemical concentrate.

TO OPERATE
Always make sure the discharge ball valve is closed or pointed in a safe direction before turning water on. Ball
valve can be shut off at any time during operation but should not be left unattended for long periods of time.
Expect a strong blast when re-opening ball valve.
1. Make final metering tip adjustments based on application results.
2. For the strongest chemical concentration do NOT install a metering tip and keep the air pressure as low as
possible!
3. With wand in hand open the water and air ball valve, (and one chemical ball valve, 2 & 3 Way)
4. Open the discharge ball valve.
Wait a few seconds and observe foam consistency.
5. The air regulator has been factory set and is underneath the cover to prevent unauthorized adjustments. To
access the regulator remove the screws in the cover and pry off the ball valve handle.
Use the least amount of air needed to achieve good foam quality to prevent water pressure fluctuations
from affecting performance. Air pressure must be kept lower than water pressure.
To adjust the foam consistency pull out on the air regulator knob, turn slightly clockwise for dryer foam and
counterclockwise for wetter foam. Wait a few seconds to see each adjustment.
Medium wet foam will give the best cleaning results and yield the strongest chemical concentration ! Dry
foam will NOT clean as well!
You may also have to try different sized metering tips and air settings until foam consistency and cleaning
results are acceptable. Once this is set and desired foam consistency is achieved push lock the knob.
Replace the cover and the ball valve handle you are ready to start application.
6. When foaming is completed, close the discharge ball valve, return to the unit and close the water and air ball
valves and chemical ball valve (2 & 3 Way). Briefly re-open the discharge ball valve to relieve pressure in the
hose.
7. Rinse before the foam dries