SERVICE FIRE EXTINGUISHER CYLINDER AND SAFETY DISC Continued
Install new gasket (4) in cylinder valve (3).
Dull side of safety disc must be against surface of gasket to prevent electrolytic corrosion of
Install new safety disc (2) and safety disc nut (1) in cylinder valve (3).
Have fire extinguisher cylinder filled by the post fire station personnel.
Install full fire extinguisher cylinder in carrier (see your -20).
END OF TASK
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