Amerex 05614 - Manual (Page 7)

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2. Complete items 1 – 6 of Maintenance Procedures. Carefully remove the fill cap. While performing
this procedure, all parts and seals should be cleaned, inspected and replaced where necessary.
3. Remove shutoff nozzle assembly from discharge hose and clean thoroughly. Check to make sure
that the valve is closed when the lever is in the forward position (toward the nozzle tip).
4. Detach the nitrogen hose from the nitrogen cylinder ("T" handle valve – remove and save large ring
pin and install temporary ring pin), install the shipping cap, unscrew the wing nuts and remove the
nitrogen cylinder from the extinguisher.
5. Remove the 50 ft. discharge hose from the storage rack and disconnect the hose from the agent
cylinder fitting. Blow out any dry chemical agent remaining in the hose. Clean hose, agent cylinder
fitting and gaskets.
6. Remove the remainder of the ruptured moisture seal and moisture seal gasket from female hose
coupling. Replace with a new P/N 07411 Moisture Seal Assembly. Carefully follow the installation
instructions contained in the P/N 07411 package including the installation of a new clear hose
gasket in the female house coupling.
7. Remove agent fill cap and gasket. Clean, lubricate and set parts aside. Check the condition of
remaining chemical (replace any dry chemical that is contaminated or caked). Fill extinguisher with
the type and amount of dry chemical shown on the extinguisher label
– verify gross weight. Install the
fill cap securely.
WARNING: DO NOT OVERFILL THE EXTINGUISHER. THIS COULD CAUSE A
MALFUNCTION OR PREMATURE RUPTURE OF THE SAETY DISC. DO NOT MIX TYPES OF
AGENTS
– THIS CAN CAUSE A DANGEROUS PRESSURE BUILD UP AND REDUCE
EXTINGUISHER EFFECTIVENESS.
8. Install the 55 ft
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nitrogen cylinder (pressurized to 2015 psi), remove the shipping cap, remove
temporary ring (shipping) pin, and install large ring pin and lockwire seal – "T" quick release valve.
Place nitrogen cylinder on the extinguisher, tighten nuts securely and attach the nitrogen hose. On
handwheel type nitrogen valve a lead wire seal (tamper indicator) position.
9. Reattach the hose to the extinguisher (tighten hand tight plus a ¼ turn). Properly coil the hose onto
the storage rack. Reattach the shutoff nozzle firmly to the hose and store it in the mount with the
shutoff lever in the closed (forward) position.
10. Record the service date on the inspection tag and place the extinguisher in its proper location.