FIXED FIRE EXTINGUISHER CYLINDER REPLACEMENT (LATE MODEL) (Sheet 2 of 3)
If plastic indicator (A) over safety valve
outlet is missing, replace cylinder.
If safety tire lead seal (B) is broken,
If latest hydrostatic test date (stamped cm
cylinder neck) has exceeded 12 years,
Make sure Fire Extinguisher Record Tag
(DA Form 253) indicates that cylinders have
been weighed within 6 months.
Using scales, weigh cylinder. If weight loss exceeds 10 percent of difference between full and empty
weight marked on the flood valve (A), replace cylinder.
Place cylinders (A) into bracket (B).
Place clamp on strap (C) over bracket (D) and
lock cylinders (A) into bracket (B).
Place cylinder (E) into bracket (F).
Place clamp on strap (G) over bracket (H)
and lock cylinder (E) into bracket (F).
4.1. Remove diffuser caps (H.1) from
cylinders (A) and (E) and install caps
on dummy plugs (H.2).
Go on to Sheet 3