PN 16303
04/2020
11.
Install pull pin with ring facing the front of the extinguisher.
12.
Install tamper seal. Record recharge date, and attach new recharge tag.
13.
Weigh assembled extinguisher, and confirm that the total weight is within the allowable tolerances
indicated in the Maintenance section of the nameplate (label).
TROUBLESHOOTING GUIDE
WARNING: Determine the source of a leak before the extinguisher is depressurized. The extinguisher
must be completely depressurized before any attempt is made to devalve it and correct a
leakage problem. To depressurize –
hold the extinguisher in an inverted position and
slowly squeeze the discharge handle. Some water remaining in the downtube will be
expelled so care shall be taken in the area being used for depressurizing. Thoroughly
clean all valve parts after depressurization and valve removal.
PROBLEM
CORRECTIVE ACTION
1.
Leak at collar O
-
ring
Remove valve assembly, clean collar (knurled) nut thoroughly,
2.
Leak through valve
Check valve stem seating area for scratches or foreign matter.
Clean seating area with a tooth brush and soft cloth. Install new
valve stem assembly.
3.
Leak around gauge
Remove gauge*, clean threads, and reinstall using Teflon tape
4.
Defective gauge
Remove defective gauge*, and install the proper Amerex pres-
sure gauge using Teflon tape on the gauge threads.
5.
Leak in the cylinder
Contact Amerex if under warranty, otherwise mark "REJECTED"
* Pressure gauge threads are coated with a special epoxy at the factory. For easy removal, soak
the valve assembly in hot water (180°F) for two to four minutes. Remove gauge with a thin 7/16"
open
-
end wrench.
FOR REPLACEMENT PARTS SEE THE AMEREX PORTABLE AND WHEELED
PARTS BOOK PN 27277 AVAILABLE AT http://www.amerex
-
fire.com UNDER
MANUALS OF THE RESOURCE SELECTION.
