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KMACS 5 MANUAL
© 2003 KMDSI Document # 041112001
4.3 NO PNEUMO READING
Symptoms
1) No air to diver’s end of pneumo
2) Gauge reads sustained pressure
at surface.
3) Hose will not hold pressure and
gauge needle will not rise.
4) Needle will not respond properly
to flow.
5) Air can be heard escaping into
console interior.
Probable Cause
Pnuemo hose not connected
Pneumo crimped or plugged.
Pneumo fitting cracked or loose.
a) Hole in pneumo hose.
b) Gauge mechanism damaged.
KMACS 5 internal plumbing may
be cracked or broken.
Remedy
Attach fittings to KMACS 5
Check entire length of hose.
Relieve any restrictions.
Check fittings at console with
soap and water solution. If fittings
bubble, either tighten or replace
as necessary.
Check hose; replace or splice as
necessary.
Replace or repair gauge. Return
to factory.
Return to factory for service.
4.4 NO AIR TO DIVER
Symptoms
1) No hose pressure in diver’s
umbilical
2) No gauge reading on high
pressure gauge.
3) Low hose pressure in diver’s
umbilical.
4) Air can be heard escaping
from hose.
5) Umbilical registers pressure
at console gauge, but no flow
at mask.
Probable Cause
a) primary air source not con-
nected.
b) Valve closed at low pressure
source
c) Selector valve in “H.P. OFF”
zone.
Valve closed at high pressure
source
Regulator not properly loaded.
Fitting loose on diver’s hose, or
fittings damaged.
Mask improperly serviced.
Remedy
Connect proper hose to console.
Open valve at low pressure com-
pressor.
Move selector valve handle in
line with flow from either high
pressure source.
Open valve at high pressure
source.
Rotate adjustment wheel in ap-
propriate direction.
Tighten fittings until snug. Do
not over tighten. Replace fittings
if damaged.
Clean and adjust mask.