Component Disorder Corrective Action
Low 3% AFFF (Aqueous Film-Forming 3% – Actual %
x Tank Capacity
Foam) Premix Solution Concentration
1
00
= Gallons of 3% ANSULITE AFFF Concentrate
EXAMPLE FOR 100 GAL TANK (TESTED AT 2%)
3 – 2
x 100 = Gallons of Concentrate–––––
100
3 – 2
x 100 = 1 Gallons–––––
100
Replace 1 gallon of solution with 1 gallon of 3% ANSULITE AFFF
concentrate and stir solution for 30 seconds using a
non-metallic rod.
Poor AFFF solution film formation and Replace entire AFFF solution charge.
sealability
Low AFFF solution expansion ratio Replace entire AFFF solution charge.
Gas Tube Bent, cracked, broken or obstructed Replace, using factory built and pressure tested assembly only.
Loose, leaking, damaged, or missing Replace, using factory built and pressure tested assembly only.
check valve
Dry Chemical Obstructed Disconnect pipe and fittings at dry chemical tank outlet and
Pick-Up Tube use plumbers drain auger to clear tube.
Nameplate Unreadable Wording Use a mild abrasive (scouring powder) to clean plate. If read -
ability cannot be improved, replace nameplate.
Loose Remove nameplate and inspect area under plate. If corroded,
see section on ‘’Extinguishing Agent Tank – Rust Spots, Pits, and
Corrosion Deposits’’ and take corrective action as surface condi-
tion would indicate, or clean area (repaint, using a primer and fin-
ish coat if necessary) and reaffix plate, using a good grade of
heatless adhesive.
Missing Replace with correct nameplate. (See applicable parts list.)
Nitrogen Cylinder Rust spots, pits, and corrosion deposits Clean corroded areas with a wire brush, replacing cylinder if there
is any corrosion penetration; or repaint using a primer and finish
coat.
Dents or abrasions Depressurize, remove valve and destroy both internal and
external threads on the cylinder to render the vessel unusable.
Paint peeling Remove loose paint with a wire brush and repaint using a primer
and finish coat.
Safety shipping cap threads on cylinder Clean threads with a stiff bristle brush. Small nicks, burrs, and
nicked, cross-threaded corroded, rough or feathered edges may be eliminated by careful filing.
or worn If damaged, corroded, or worn severely, the cylinder should be
scrapped and replaced.
Valve leakage suspected Apply soap solution over valve opening, around valve to cylinder
joint, and all other joints, including the valve stem. If soap solu-
tion bubbles at any point, depressurize cylinder and replace valve
assembly.
Corroded, damaged, or jammed Depressurize cylinder; check for free movement; clean, repair,
valve handwheel or pull lever or replace affected parts; or replace valve assembly.
Immovable, jammed, loose (tap lightly Depressurize cylinder and replace valve assembly, or consult
to check), or missing gauge pointer Product Services, Tyco Fire Protection Products,
Marinette, Wisconsin 54143-2542.
Missing, deformed, or broken gauge Replace crystal and bezel assembly. (See applicable parts lists.)
crystal or bezel
Wrong gauge Depressurize cylinder and replace valve assembly, or consult
Product Services, Tyco Fire Protection Proucts,
Marinette, Wisconsin 54143-2542.
SERVICE AND REPAIR
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