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50 Gallon Foam Unit Operation Manual FI-50N READ ALL INSTRUCTIONS BEFORE USING OR SERVICING THIS UNIT. KEEP THIS MANUAL IN A LOCATION THAT IS READILY AVAILABLE TO USERS AND SERVICE TECHNICIANS. Scan this code for English (Original Instructions) operation manual...
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Always flush the unit with fresh water thoroughly when switching from an alkaline to an acid or an acid to an alkaline. Model: FI-50N V20230428 • Page 2 of 8...
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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 Model: FI-50N V20230428 • Page 3 of 8...
Two 10 inch (25.4 cm) non-marking wheels, two 5 inch (12.7 cm) casters, Wheel type one with lock *Flow rates given are based on chemical with viscosity of water and factory air pressure settings. Model: FI-50N V20230428 • Page 4 of 8...
Product Components Get to know the FI-50N components that you will need to use, adjust or assemble. Back plate assembly • Inside view 1. Quick-change pump 2. Needle valve 3. Air regulator 4. Air pressure gauge 5. Check valve 6. Tee assembly 7.
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10. Hinged lid 11. Drain plug 12. Discharge hose 13. Discharge ball valve 14. Discharge wand 15. Solution tank 16. Back plate thumb nuts 17. Air fitting 18. Suction line valve 19. Needle valve Model: FI-50N V20230428 • Page 6 of 8...
10. Open discharge ball valve to relieve remaining pressure. 11. Close ball valve after all pressure has been relieved. Store unit with discharge ball valve closed. 12. Before using unit with another chemistry, thoroughly flush with water. Model: FI-50N V20230428 • Page 7 of 8...
To service your unit, refer to the service manual which includes: • Troubleshooting procedures. • Detailed parts breakdowns and illustrations. • Part numbers of serviceable components and assemblies. Scan this code for service manual Model: FI-50N V20230428 • Page 8 of 8...
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50 Gallon Foam Unit Service Manual FI-50N READ ALL INSTRUCTIONS BEFORE USING OR SERVICING THIS UNIT. KEEP THIS MANUAL IN A LOCATION THAT IS READILY AVAILABLE TO USERS AND SERVICE TECHNICIANS. Scan this code for English (Original Instructions) service manual...
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Always flush the unit with fresh water thoroughly when switching from an alkaline to an acid or an acid to an alkaline. Model: FI-50N V20230427 • Page 2 of 13...
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• Crescent wrench (2x) • #2 Phillips head screwdriver • ⁷/16 in. (11 mm) open-ended wrench • #3 Phillips head screwdriver • Flat head screwdriver • Hose cutters • Thread seal tape • Knife Model: FI-50N V20230427 • Page 3 of 13...
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6. Replace the mixing mesh and screen into the back of the tee. Screw the stainless hose barb back into the tee. NOTE: It is recommended to use a pipe thread sealant when reinstalling the stainless hose barb back into the tee fitting. Model: FI-50N V20230427 • Page 4 of 13...
7 DPA units - includes gasket Plate adapter for TNK-50N - includes 8 PA-PL50-PLPF fittings Swivel caster - stainless - 5 in. 9 CST5SS-L clearance - 4 in. wheel - with lock Model: FI-50N V20230427 • Page 5 of 13...
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Phillips - Vibra-Seal 10 W10 Wheel - non-marking - 10 in. Flat washer for ⅝ in. pipe - stainless - VLVA-PVCV34-TNK50 11 FW58 0.687 id x 1.5 od x 0.07 thk WHLA-AXL23 Model: FI-50N V20230427 • Page 6 of 13...
- 20 mesh SS - black bowl ¼ in. blue hose - hybrid TPE - 9 H14BL-F available per ft. ⅜ in. blue hose - hybrid TPE - 10 H38BL-F available per ft. Model: FI-50N V20230427 • Page 7 of 13...
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Stainless steel union - ¼ in. FPT Water separator - 20 CFM - ¼ in. FPT 9 WS-20CFM ports Air fitting ¼ MPT x plug - nickel-plated 10 AP14 brass WSA-20CFM* *Optional assembly sold separately Model: FI-50N V20230427 • Page 8 of 13...
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Item number Description Stainless tee ½ FPT ⅜ barb - no 5 SST12HB38 mixing material Mixing material assembly - 6 MXA- PF includes stainless mesh and screen NVA-NV14-PF SST12HB38A-MX Model: FI-50N V20230427 • Page 9 of 13...
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Bulkhead adapter - stainless - ¼ NPT 10 SSA14BKH x ¼ NPSM 11 SSSFN12 Serrated flange nut - stainless - ½ in. Air fitting ¼ MPT x plug - nickel- 12 AP14 plated brass RGA-R25-PF Model: FI-50N V20230427 • Page 10 of 13...
* Additional colors available, see datasheet for options. AKSS34: Stainless anti-kink spring for ¾ in. hose Item number Description 4 AKSS34 Stainless anti-kink spring for ¾ in. hose AKSS34 HA34BL-30 Model: FI-50N V20230427 • Page 12 of 13...
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Stainless hex nipple ½ MPT x ½ MPT 14 BVSS12 ½ in. stainless ball valve - welded nut 15 HBSS1234 Stainless hose barb ½ MPT x ¾ barb 16 SSC34 Stainless screw band clamp for ¾ in. hose Model: FI-50N V20230427 • Page 13 of 13...