Amerex 08220 User Manual
Page 6
5
5.
Visually inspect the pressure gauge:
a.
if bent, damaged or improper gauge, depressurize and replace
b.
if pressure is low, check for leaks
c.
if overpressurized (overcharged), depressurize the extinguisher and follow recharge
instructions
6.
Remove and check ring pin for freedom of movement. Replace if bent or if removal appears
difficult.
7.
Inspect the discharge lever for dirt or corrosion that might impair free movement. Inspect
carrying handle for proper installation. If lever, handle or rivets are damaged, replace with
proper Amerex parts.
8.
Remove the extension applicator and hose by detaching the female swivel adapter from the hose
and hose from the discharge valve. Inspect the hose, female swivel and extension applicator for
damage. Make sure that the rubber o-ring inside the female swivel coupling is in place and in good
condition. Replace damaged parts as necessary. Blow air through the hose and extension
applicator assembly to insure that the passage is clear of foreign material and powder residue.
Inspect the diffuser in the extension applicator horn – it must be tight to allow proper discharge
characteristics
.
9.
Visually inspect the inside of the valve body (through the hose connection orifice). Appearance
of powder in the valve may indicate that the extinguisher has been partially discharged and
should be recharged.
10.
Inspect the valve body for signs of corrosion or damage to the hose thread connection. Replace
valve assembly as necessary following the depressurizing and recharge procedures. If valve
removal is required complete all steps in the "Recharge Procedure".
11.
Reconnect the extension applicator to the discharge hose male swivel coupling. Rotate the
hose assembly several times to verify that the swivel operates freely (disconnect again and
clean the inside of the female swivel with a small brush and compressed air if the rotation is
impeded). Arrange the hose and extension applicator assembly according to the installation
instructions on page 9.
12.
Install new tamper seal and record service data on the extinguisher inspection tag.
13.
Return to its proper location. Install on/in wall hanger bracket, vehicle bracket or dolly cart
making sure that it fits properly. Replace mounting bracket if necessary.
RECHARGE
Recharging (NFPA-10) is the replacement of the extinguishing agent and also includes the expellant
for this type of extinguisher.
WARNING:
1.
Before attempting to recharge be sure the extinguisher is completely depressurized.
2.
Never have any part of your body over the extinguisher while removing the valve assembly.
3.
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.