Quantcast Breathing Gas Supply Equipment Maintenance Practices

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recommended minimum frequency of performance for equipments and
components under the following major areas:
Air Source (Compressors, air storage flasks).
Piping  System  (Piping,  valves, regulators,  filters,
b.
reliefs, etc.).
c.
Recompression Chamber (Valves, BIBS, hatches, lighting,
etc.).
Detailed recommended maintenance procedures for each of the
maintenance practices addressed by this section are provided in
Appendix D.
3.8.2
Breathing Gas Supply Equipment Maintenance Practices
a.
Engine Driven Air Compressor.
(1)  Weekly:
(a) Sample and inspect lubricating oil.
(b) Inspect oil level and rotate compressor
crankshaft by hand.
Monthly:
(2)
(a)  Inspect/clean  air  coolers,  fan,  hoses  and
fittings.
(b) Inspect/renew discharge air filter.
(c)  Test operate compressor, lift relief valves(s)
by hand,  and  test  air  inlet  and  discharge
valves.
Quarterly:
(3)
(a)  Inspect  receivers,  coolers  and  piping  for
external  corrosion,  and  sound  and  tighten
foundation bolts.
Semiannually or Per Manufacturers Recommended Number
(4)
of Operating Hours (first to occur):
(a) Renew oil in compressor crankcase
(b) Clean compressor air intake filter.
(c) Inspect drive belt tension.
(d) Renew oil in engine crankcase and clean fuel
sediment bowl.
(e) Measure spark plug and breaker point gap.
(f) Clean engine air filter.
Annually:
(5)
(a) Test operate the compressor and inspect air
system piping under full working pressure.
(b)  Test  all  relief  valves  for  proper  lifting
pressure.
Per Cycle (Normally 3 to 4 Years):
(6)
(a) Test over-temperature shut down device.
(b) Disassemble compressor and inspect internal
parts for wear.
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