Amerex 05617 - Manual (Page 7)

damage. If any of these conditions are found and you doubt the integrity of the cylinder, hydrostatically test
to factory test pressure (900 psi, [6.2 MPa]), using the proof pressure method, in accordance with CGA
Pamphlet C-6 and NFPA Pamphlet 10.
Note: When cleaning, avoid use of solvents around the pressure gauge. They could seriously damage
the plastic gauge face.
3. Inspect the extinguisher for damaged, missing or substitute parts. Only factory replacement parts are
approved for use on Amerex fire extinguishers.
4. Check the date of manufacture on the extinguisher cylinder dome. Cylinder must be hydrostatically (proof
pressure) tested every 12 years to the test pressure indicated on the nameplate (900 psi, [6.2 MPa]).
5. Visually inspect the pressure gauge - if bent, damaged or improper type or pressure - replace with Amerex
P/N: 8714 - 350 psi Gauge.
6. Remove Ring (Safety) pin and check for freedom of movement. Replace if bent or if removal appears difficult.
7. VERIFY THAT NO PRESSURE REMAINS IN THE EXTINGUISHER (Operating valve and nozzle shutoff
in open position and there is no discharge). Remove and inspect the agent fill cap for damage or distortion.
8. Check the nozzle shutoff lever for freedom of movement (open and close several times). If the operation is
impeded, disassemble the nozzle, replace parts and/or properly lubricate as necessary. Make sure that the
nozzle tip is clear and unobstructed.
9. Disconnect the discharge hose from the operating valve. Blow air through the hose and nozzle assemblies
to insure that the passage is clear of foreign material. Check the couplings, hose and hose gasket for
damage or deterioration - replace as necessary.
10. Inspect the wheels to insure they rotate freely. Lubricate as required.
11. Check carriage assembly for loose nuts, bolts, frame distortion or damage. Check welds for damage or
corrosion. Replace damaged parts or make repairs as necessary.
12. Remove operating valve assembly. Inspect for corrosion or damage to hose thread connection. Visually
inspect the safety disc assembly on the discharge valve for obstruction or damage.
WARNING: VALVE REMOVAL AND/OR VALVE PART REPLACEMENT SHOULD BE MADE ONLY
AFTER COMPLETING THE DEPRESSURIZING PROCEDURES LISTED IN STEP 1 OF THE
COMPLETE MAINTENANCE PROCEDURES.
13. Complete steps 2 thru 15 of RECHARGE PROCEDURE.
RECHARGE
RECHARGING [NFPA-10 4-2.3] is the replacement of the extinguishing agent and also includes the expellant for
this type of extinguisher.
WARNING: A. BEFORE ATTEMPTING TO RECHARGE BE SURE THE EXTINGUISHER IS COMPLETELY
DEPRESSURIZED.
B. NEVER HAVE ANY PART OF YOUR BODY OVER THE EXTINGUISHER WHILE REMOVING
THE VALVE ASSEMBLY.
C. USE A PROTECTIVE SHIELD BETWEEN YOU AND THE PRESSURE GAUGE WHILE
CHARGING AN EXTINGUISHER. DO NOT STAND IN FRONT OF THE GAUGE IF A SHIELD
IS NOT AVAILABLE.
D. USE A REGULATED PRESSURIZING SOURCE OF DRY NITROGEN ONLY WITH A MINI -
MUM DEW POINT OF MINUS 70°F ( MINUS 57°C). SET THE REGULATOR TO NO MORE
THAN 375 PSI ( 2585 KPA ).
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