Knight Equipment FOAMCLEAN 25-95 Installation Manual

INSTRUCTION MANUAL

INTRODUCTION

Foam cleaning is recognized as an effective method for removing oil and heavy soils from all types of surfaces. It is
used for cleaning throughout the food processing, dairy, transportation, industrial and agricultural industry. Due to it’s
characteristics, cleaning with foam is safe and cost effective. Foam can adhere to irregular surfaces and provide
better coverage than liquid cleaning chemicals. Foam stays in place longer to actively lift dirt and oil from surfaces
until it is rinsed off.

Knight’s Foam Clean system dispenses a rich lather of foam up to 65 GPM with a distance of up to 35 feet. With a
built-in 6.8 GPM (23 ltr/min) air operated pump, you’ll get consistent foaming quality for clean results. Simply turn a
knob and you can adjust the dryness or wetness of the foam for different cleaning applications.

APPLICATIONS

Food Processing Plants: Process Food, Beverage, Dairy, Baking, Poultry, Smoke Houses, Seafood.

Transportation:

Industrial:

Agricultural:

SPECIFICATIONS

Trucking, Aviation, Transit, Automotive, Military, Ships, Construction Equipment.

General Cleaning, Machinery Degreasing, Paint Manufacturers, Paper Mills.

Dairy, Poultry, Farm Equipment, Hog.

Foam Output 65 gal/min (246 ltr/min)

Foaming Distance 35 feet (10 meters)

Chemical Compatibility PTFE: All acids, corrosives, and petroleum products

Air Operated Pump Materials Polypropylene Body w/ PTFE Seals and Diaphragm

Air Consumption 60-80 psi, 5-10 scfm

Hose Portable: 25 feet (7.6 meters) reinforced hose, 3/4” ID with wand

EPDM: Alkalines, soaps, mild acids, sodium hypochlorite

Polypropylene Body w/ EPDM Seals and Diaphragm
Kynar Body w/ EPDM Seals and Diaphragm

REQUIREMENTS

•

Minimum 60 PSI clean, dry air at 5 – 10 CFM during operation of the foamer.

•

Chemical requirement: Most foam cleaning dilution rates operate at 3 to 5 oz/gal (24 to 39 ml/ltr) — consult your
chemical supplier for the proper foaming product and mixing ratio to use.

CAUTION: Wear protective clothing and
eyewear when dispensing chemicals or
other materials. Observe safety handling
instructions (MSDS) of chemical mfrs.

CAUTION: When installing any equipment,
ensure that all national and local safety,
electrical, and plumbing codes are met.

0901154 Rev: REL (09/08) Page 1 of 8

SAFETY PRECAUTIONS

•

Before pump operation, inspect all gasketed fasteners
for looseness caused by gasket creep. Re-torque all
loose fasteners to recommended specs (shown to right)
to prevent leakage. Failure of the sealing components
creates the possibility of jetting or forceful discharge of
pumped material at a potentially harmful velocity.

16X 40in-lbs

•

Read and understand the MSDS sheets for the cleaning chemicals that will be used — consult your chemical
supplier if you have any questions.

•

Always wear safety goggles and protective gloves while operating the foam unit.

•

Avoid contact of cleaning agents with skin and eyes. If contact occurs, rinse affected area with water for 15
minutes, and seek medical attention, if needed.

•

Drain fluid contents of unit and flush out tank if using different types of chemicals from operation to operation.

•

Never point the Discharge Foam Wand at anyone.

•

Be sure to flush unit with fresh water when switching from alkaline to acid, or acid to alkaline product.

•

Never leave unit unattended while discharge hose is under pressure.

•

Never foam directly into an uncovered electrical outlet or electrical panel.

4X 25 in-lbs

•

Stand far enough away from surface being foamed to prevent foam from splashing on you.

AFTER-USE

(1) Fill the tank with fresh water and rinse thoroughly. With discharge valve “open”, allow pump to run until all

chemical has been pumped through discharge hose, and air has been purged.

(2) Close the Air Inlet Valve and relieve all remaining pressure on the unit by opening the valve on the discharge

hose and leave in the “open” position.

(3) Open the drain plug on the bottom of the tank to remove any remaining liquid from the tank. The drain plug is 1”

NPT with a 1.375” hex head.

MAINTENANCE

•

Periodically check the air pump for leaks or evidence of wear/breakdown.

•

Periodically replace filter media in filter/dryer.

•

Periodically check the pickup tube for blockage, and flush to clean.

Page 2 of 8 0901154 Rev: REL (09/08)

OPERATION

(1) [Fig. A] Fill the foamer tank with a combination of

water and foaming chemical — consult your chemical
supplier for proper dilutions. Do not overfill tank.

(2) [Fig. B] Close Wet Foam/Dry Foam Valve completely

— turn clockwise until it stops.

Figure

A

Figure

B

(3) [Fig. C] Make sure the ball valve on the discharge

hose is closed

(4) [Fig. D] Connect a clean, dry, air supply to the

5/16” quick connect fitting on the unit. Note: Unit
will operate when air supply is on.

(5) [Fig. C] Slowly

hose while holding foam wand away from you.
Closing the ball valve will turn pump off.

(5) [Fig. E] Adjust air pressure regulator to achieve

desired pump flow rate (between 60—80 PSI for
optimum results).

!

open the ball valve on the discharge

Figure

C

Figure

D

Figure

E

(6) [Fig. B] Open Wet Foam/Dry Foam Valve in the

counter-clockwise direction four complete turns.

(7) [Fig. B] Continue to open the Wet Foam-Dry Foam

Valve in ¼ turn increments, allowing a few seconds
between adjustments, until the proper consistency
(dryness) of foam is achieved.

0901154 Rev: REL (09/08) Page 3 of 8