Page 1
50 Gallon Smart Foam Unit Service Manual FI-50N-SM READ ALL INSTRUCTIONS BEFORE USING OR READ ALL INSTRUCTIONS BEFORE USING OR SERVICING THIS UNIT. KEEP THIS MANUAL IN A SERVICING THIS UNIT. KEEP THIS MANUAL IN A LOCATION THAT IS READILY AVAILABLE TO USERS LOCATION THAT IS READILY AVAILABLE TO USERS AND SERVICE TECHNICIANS.
Page 2
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-SM V20240809 • Page 2 of 14...
• 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-SM V20240809 • Page 3 of 14...
Page 4
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-SM V20240809 • Page 4 of 14...
- includes gasket Plate adapter assembly for TNK-50N 8 PLA-TNK50 includes bolt fittings and thumb nuts Swivel caster - stainless - 5 in. 9 CST5SS-L clearance - 4 in. wheel - with lock Model: FI-50N-SM V20240809 • Page 5 of 14...
Page 6
Wheel - 10 in. - non-marking Flat washer for 5/8 in. od pipe or axle - 12 FW58 stainless steel - 0.64 in. id x 1.2 in. od x 0.05 in. thk WHLA-AXL26 Model: FI-50N-SM V20240809 • Page 6 of 14...
⅜ in. id blue hose - hybrid TPE - 11 H38BL-F available per ft. Stainless tee assembly - ½ in. FPT 12 SST12HB38A-MX x ⅜ in. SS hose barb - includes mixing media and screen Model: FI-50N-SM V20240809 • Page 7 of 14...
Page 8
Stainless steel union - ¼ in. FPT Water separator - 20 CFM - ¼ in. FPT 11 WS-20CFM ports Air fitting ¼ MPT x plug - nickel-plated 12 AP14 brass WSA-20CFM* *Optional assembly sold separately Model: FI-50N-SM V20240809 • Page 8 of 14...
Page 9
Item number Description Stainless tee ½ FPT ⅜ barb - no 6 SST12HB38 mixing media Mixing assembly - portable foam - 7 MXA- PF includes mixing media and screen NVA-NV14-PF SST12HB38A-MX Model: FI-50N-SM V20240809 • Page 9 of 14...
Page 10
Serrated flange nut - stainless - ½ in. 14 AP14 Air fitting ¼ MPT x plug - nickel-plated brass 16 AG100 Air gauge - ⅛ in. NPT - 100 PSI dry model RGA-R25-PF-SM Model: FI-50N-SM V20240809 • Page 10 of 14...
Page 11
1/ 4 in. MPT x 3/8 in. barb Hex head poly bushing ¾ MPT 6 HHPB3414 x ¼ FPT Ball valve - PVC - 3/ 4 NPT to 3/ 4 FNPT 7 BVPVC34MF Buna seal SCTNA-PF Model: FI-50N-SM V20240809 • Page 11 of 14...
Page 12
1/ 4 in. hose AKSS5814: Stainless anti-kink spring for ½ in. hose Item number Description AKSS5814 Anti-kink spring - stainless - for 5/8 in. id 5 AKSS5814 and 1/ 4 in. id bonded hose SMWA-HA5814BL-50 Model: FI-50N-SM V20240809 • Page 12 of 14...
Page 13
1/2 in. NPT and 3/8 in. FNPT wand - 6 PW12M38F6 black UHMW - 6 in. long Spray tip - 65 degree - 15.0 GPM - 7 ST65150SS stainless - 3/8 MPT SMWA Model: FI-50N-SM V20240809 • Page 13 of 14...
MPT x 1/2 in. barb 1/2 in. id blue hose - hybrid TPE - 3 H12BL-F available per ft. Ear clamp - Oetiker - stainless steel - 4 EC12 for 1/2 in. hose Model: FI-50N-SM V20240809 • Page 14 of 14...
Need help?
Do you have a question about the FI-50N-SM and is the answer not in the manual?
Questions and answers