ANSUL Cartridge Dry Chemical Fire Extinguishers
Models 10, 20, 30, Operation, Inspection, Service and
Maintenance, and Recharge Manual (Form No. F-7674)
PAGE 12 REV. 10 2018-OCT-15
MAINTENANCE
MAINTENANCE (Continued)
19. Operate the nozzle handle to check for free movement. If
handle is binding or immovable, refer to ‘‘Nozzle(s)’’ in the
Service and Repair Section of this manual for corrective
action.
20. Unscrew the nozzle tip while squeezing the nozzle
handle. Ensure that it is the proper nozzle tip for that
particular model by referring to the extinguisher parts list.
Remove any obstructions from nozzle tip and discharge
outlet. Make certain o-ring and/or flat gasket is in place
and is not damaged.
21. Inspect plunger tip inside nozzle body. Replace if tip
shows evidence of cuts, abrasions, degraded rubber, brit-
tleness, or separation from plunger.
NOTICE
All molded rubber style tips should be
replaced and upgraded with the captured
style tips. See page 25.
22. Apply a thin coating of thread lubricant to the nozzle tip
threads. Wipe away from the interior of the tip before
threading into nozzle. Operate nozzle handle to ensure
free movement of plunger assembly. Squeeze the nozzle
handle and thread the nozzle tip into nozzle body. Screw
the nozzle tip until it seats against the plunger. Depress
the handle and continue to turn clockwise for 1/2 to 3/4
turn.
20 003209 19 003208
22 003211 21 003210
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