Troubleshooting guide – Amerex 05617 User Manual
Page 10
TROUBLESHOOTING GUIDE
WARNING:
BEFORE ATTEMPTING TO CORRECT ANY LEAKAGE PROBLEM, BE SURE THAT THE
AGENT CYLINDER AND HOSE ARE COMPLETELY DEPRESSURIZED.
WARNING::
CHECK TO DETERMINE THE SOURCE OF A LEAK BEFORE THE EXTINGUISHER IS DEPRESSUR-
IZED. LEAKAGE REPAIRS WILL REQUIRE DEPRESSURIZATION AND REMOVAL OF THE VALVE
ASSEMBLY OR CHEMICAL AGENT FILL CAP. DEPRESSURIZE BY REMOVING THE BLEEDER
VALVE CAP (“BLEEDER” VALVE IS MOUNTED ON THE SIDE OF THE OPERATING VALVE ASSEM-
BLY), SLOWLY AND CAREFULLY DEPRESS VALVE STEM TO RELIEVE THE DOME PRESSURE,
WITH THE EXTINGUISHER IN AN UPRIGHT POSITION. AFTER DEPRESSURIZING THE
EXTINGUISHER AND CORRECTING THE PROBLEM, IT WILL BE NECESSARY TO CLEAN ALL
VALVE AND CAP PARTS THOROUGHLY.
PROBLEM
CORRECTIVE ACTION
1.
Leak at operating valve collar o-ring
1. Remove valve assembly, clean collar thoroughly and
install new collar o-ring. Lubricate o-ring with Visilox V-711.
2.
Leak at agent fill cap
2. Remove cap, clean threads thoroughly and install new o-
ring. Lubricate o-ring with Visilox V-711.
3.
Leak through valve.
3. Install new valve stem assembly. Check valve seat for
scratches or foreign matter.
4.
Pressure leak at safety disc assembly.
4. Inspect safety outlet for tightness or damage. If loose,
remove and reinstall using Teflon tape on the threads.
If damaged, replace with a new safety disc ass’y Amerex
P/N: 08573 using Teflon tape on the threads.
Note: Only tighten the large hex nut assembly. The small
hex nut containing the exhaust holes is factory preset
to specific torque values.
5.
Leak at “bleeder” valve.
5. Reinstall valve using Teflon tape on threads.
Note: The “Bleeder” valve cap must be installed to prevent
leakage.
6.
Leak around gauge threads.
6. Remove gauge
*
and reinstall using Teflon tape on the
gauge threads.
7.
Defective gauge.
7. Remove defective gauge
*
and install new P/N: 08714
350 psi gauge using Teflon tape on the gauge threads.
8.
Leak in the cylinder.
8. Contact Amerex if under warranty, otherwise - mark
“Rejected” and remove from service or return to owner.
*
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 7/16" open end wrench.
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