SERVICE FIRE EXTINGUISHER CYLINDER AND SAFETY DISC Continued
Remove gasket (4) from cylinder valve (3). Discard gasket.
CLEAN, INSPECT, AND REPAIR
Do not allow cleaning solvent to enter cylinder valve housing. Internal parts may be damaged
Clean safety disc nut and cylinder valve (WP 0014 00). Dry parts.
Check safety disc nut and cylinder valve for corrosion, cracks, damage, stripped threads, and metal particles remaining
from safety disc and gasket. Repair or replace damaged safety disc nut or cylinder valve.