Foamit DFA User manual

Drain Foaming Attachment
User Manual
DFA | DFA-TR7
READ ALL INSTRUCTIONS BEFORE USING, OR
SERVICING, THIS EQUIPMENT. KEEP THIS MANUAL IN
A LOCATION THAT IS READILY AVAILABLE TO USERS
AND SERVICE TECHNICIANS.
English (Original Instructions)

V20211217 • Page 2 of 6
Model: DFA | DFA-TR7
WARNING
!
1Safety
PEOPLE OR OBJECTS CAN BE HURT OR DAMAGED IF THIS UNIT IS NOT USED CORRECTLY!
Failure to read all the instructions before operating the unit may result in personal injury or death from
the improper use of the chemical solution. Anyone handling, operating or using the unit must read, and
understand, the instructions in the manual. The buyer assumes all responsibility for safety and proper use
in accordance with the instructions.
Using, or servicing, the unit without proper protective clothing, gloves, and eye
wear may result in serious injury such as burns, rashes, eye, throat or lung damage
and death. Always wear protective clothing, gloves, and eye wear when using, or
servicing, the unit. Protect eyes, skin, and lungs against drifting spray.
Chemical solutions may pose a health risk and death if they contact the skin or eyes, are inhaled or
swallowed. Always read, and follow, all chemical safety precautions and handling instructions provided by
the chemical manufacturer and the Safety Data Sheet (SDS) associated with the chemical solution being
used before using the unit.
Pressure within the equipment may cause an unexpected release of the chemical solution and cause
serious injury such as burns, rashes, eye damage, throat or lung damage and death. Always depressurize
and clean the unit after each use. Never leave the unit unattended while pressurized.
Using the unit with fluid temperatures above 100°F (37.77°C) may result in scalding, burns, serious injury or
death. DO NOT use a solution with a temperature above 100°F (37.77°C).
Operating the unit when damaged or leaking may result in exposure to chemical solutions, serious injury
or death. Never use the unit if it is damaged or leaking.
Never point the discharge wand at yourself, another person, or any object you do not want covered
in chemical.
Using incoming air pressure exceeding 100 psi (7 bar) may result in pressure buildup, explosion, serious
injury or death. DO NOT exceed 100 psi (7 bar) incoming air pressure when operating the unit.
Use of hydrocarbons and flammable products may result in explosions, fire and serious injury or death.
Never use hydrocarbons or flammable products with the unit.
Mixing an alkaline with an acid may result in a chemical reaction. Overheating of the mixture may cause
it to splatter caustic compounds or release hazardous fumes, gas and vapors. Always flush the unit with
fresh water for five (5) minutes when switching from an alkaline to an acid or an acid to an alkaline.
Servicing, or modification, of this unit with parts not listed in this manual may cause the unit to operate improperly.
Do not use unauthorized parts when servicing the unit.
Use of an air lubricator before the unit may result in diminished performance and damage to the unit. Do not use an
air lubricator before the unit.
Moisture in the air lines may damage the pump and diminish the units life. The air must be filtered, clean, dry and
free of moisture. If needed, install an air dryer before the unit.
PROTECT THE ENVIRONMENT
Please dispose of packaging materials, old machine components, and hazardous fluids in an
environmentally safe way according to local waste disposal regulations.
NOTICE

V20211217 • Page 3 of 6
Model: DFA | DFA-TR7
2Product Overview
Product requirements
Equipment requirements Requires connection to a FOAMit unit with ½ in. FPT discharge ball valve.
Chemical compatibility
Chemical products used with this equipment must be formulated for this type of
application and compatible with unit materials and pump seals. For more information
on chemical compatibility, consult the manufacturer or SDS for your product or
contact our customer service department.
Product specifications
Product components
1. Quick-connect plug
2. Rubber handle
3. Stainless steel pipe
4. Rubber stopper (DFA)
5. Stainless steel disc (DFA)
6. Drain brush head (DFA-TR7)
Specifications DFA DFA-TR7
Attachment head size and type
Stainless steel disc covers drains up
to 12 inches (30.5 cm) in diameter.
Rubber stopper plugs drains 3.5 to
5 inches (8.9-12.7 cm) in diameter.
7 inch (17.78 cm) polypropylene round
disc with flat brush.)
Product height 48 inches (121.9 cm) 48 inches (121.9 cm)
5
DFA
DFA-TR7
6
3
4
1
1
2
23

V20211217 • Page 4 of 6
Model: DFA | DFA-TR7
3Assembly
This attachment comes with quick-connect fittings for easy
installation and use. Only install quick-connect fittings on output
side of foam unit discharge valve, as shown in the Installation
Instructions. Do not install in any other configuration.
1. Remove all components from packaging.
2. Thread the tee handle onto the top of the stainless steel
pipe. (DFA model only).
3. Thread the rubber stopper end of the stainless steel pipe
onto the stainless steel disc. (DFA model only).
4. Thread drain brush head onto stainless steel pipe.
(DFA-TR7 model only).
5. With foam unit turned o and depressurized (refer to foam
unit user manual for specific procedures), remove wand, fan
tip, and/or any additional components from output side of
foam unit discharge valve.
6. Connect quick-connect coupler fitting to output side of foam
unit discharge valve. Quick-connect coupler fitting has ½ in.
male NPT threads.
7. Connect quick-connect plug fitting to foam unit wand. Quick-
connect plug fitting has ½ in. female NPT threads.
4
2
DFA
DFA-TR7
6
7
3

V20211217 • Page 5 of 6
Model: DFA | DFA-TR7
4Operation
With quick-connect fittings installed, foam wand
and attachment can be interchanged for dierent
applications. Engage quick-connect fittings by pulling
back on the retaining collar of the coupler fitting,
inserting the plug fitting, then releasing the retaining
collar to secure the connection. Disengage quick-
connect fittings by pulling back on the retaining collar of
the female coupler and removing the plug fitting.
1. Connect attachment to foam unit by engaging quick-
connect fittings. Make sure connection is secure.
2. Position foam disc over drain, or remove drain cover
and insert rubber plug into drain.
3. Activate foam unit (refer to foam unit user manual for
specific procedures) to begin foaming.
4. To stop foaming, deactivate foam unit (refer to foam
unit user manual for specific procedures).
NOTE: Never disengage quick-connect fittings while
unit is pressurized.
After Use Instructions
1. Turn o and depressurize the foam unit. Follow all
after use procedures in the foam unit user manual.
2. Rinse attachment thoroughly with fresh water to
remove any chemical residue.
3. To disengage quick-connect fittings, pull back on
retaining collar to release female fitting.
Maintenance Instructions:
To keep attachment operating properly, periodically
perform the following maintenance procedures:
• Inspect all fittings, including quick-connect fittings,
for wear and leaks.
• Inspect the mixing material located inside the
attachment handle for debris and wear. Clean and
replace as needed.
• Inspect foam ring gasket for wear and replace as
needed.
2
2
1
Output side of foam
unit discharge valve

V20211217 • Page 6 of 6
Model: DFA | DFA-TR7
5Parts
Item number Description
DFA-12 Drain foam 12 in. SS disc assembly
DFA-SSD12 12 in. SS. disc
DFBD7 Disc brush for drains: 7 in. dia polypropylene
FWP12 Flat washer: .875 ID x 1.5 OD x 0.05 THK-SS
HBG Black grip handle 4.5 in.
HHSB1238 Hex head stainless bushing ½ MPT x / FPT
MIX7 Twisted-in-wire brush: .625 OD x 7 in.
QCSS12CM SS non check ½ in. quick connect coupler-MPT
QCSS12PF SS non check ½ in. quick connect plug - FPT
RMS16 Rubber molded stopper size 16 (3.5 to 5 in.)
SC1212 S.S. coupler ½ in. by ½ in.
SEL12F45 ½ FPT 45 degree elbow-stainless
SSCP12 ½ FPT cap-stainless
SSN1248 Polished - stainless pipe nipple 1/2 MPT x ½
MPT - 48 in. long - SCH 40s
SSN1248DFA
Polished - stainless pipe nipple ½ MPT x ½
MPT - 48 in. long- toe x 3" NPSM on one end
SCH 40S
SSN126 Stainless pipe nipple ½ MPT x ½ MPT- 6 in.
long - SCH 40S
SST12 Stainless tee ½ FPT
SSTLN12 ½ in. stainless locknut
DFA-12
DFA-SSD12
RMS16
SSTLN12
MIX7
MIX7
SSN1248DFA
HBG
QCSS12PF
QCSS12PF
QCSS12CM
QCSS12CM
SSCP12
SST12
SSN126
HBG
FWP12
SC1212
HHSB1238
SEL12F45
SSN1248
DFBD7
DFADFA-TR7