16
Trouble
TROUBLE SHOOTING
Major Cause
Measure
Page
BC does not inflate even if I
push the "IN" button. (Air is
not supplied)
○B.C.hose is not connected correctly.
○Tank valve is not open.
○Air in a tank is not enough.
○You might push exhaust button at
the same time.
○Relief valve is open.
○Connect the B. C. hose correctly.
○Open the tank valve.
○Change to the tank with full of air.
○Do not push exhaust button.
○Do not pull exhaust knob.
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B.C. is abnormally heavy.
○Water is in side of a float.
○Drain the water in the float.
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It does not fit when wear it.
○Length of cummerbelt at waist
portion is not adequate.
○Length of shoulder belt is not
sufficient.
○Adjust the cummerbelt.
○Adjust the shoulder belt.
6
7,10
B. C. cannot be fixed to a
tank firmly
○The way of pass a belt through a
buckle is wrong.
○Pass the belt through tank buckle
correctly, and fix it.
8
BC does not inflate even if I
perform the "Oral Inflation".
(Air is not supplied)
○You might push “OUT” button at the
same time.
○Relief valve is open.
○The ”ORAL” button is pushed at the
time except blowing air.
○Operate “ORAL” button only.
○Do not pull exhaust knob.
○Push “ORAL” button only at the time
blowing air. (Refer to the course of a
diving school)
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9
Exhaust cannot be performed
by “ORAL” button
○Posture is not appropriate.
○Perform button operation while taking a
posture so that the position of the housing
becomes higher than the float portion.
(Refer to the course of a diving school)
14
8
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12
BC does not exhaust even if
I push “out” button.
○B. C. hose is not connected
correctly.
○Tank valve is not open.
○Air in a tank is not enough
○Posture is not appropriate.
○Connect the B. C. hose correctly.
○Open the tank valve.
○Change to the tank with full of air.
○Take a posture so that the position of the
housing of the left shoulder becomes the
most top of a float.
BC does not exhaust even if
I pull the exhaust knob.
○Posture is not appropriate.
○Perform the operation while taking a
posture so that the position of the housing
of the relief valve becomes the most top
of a float.
Air leaks from a relief valve.
○The pressure inside float exceeds a
fixed level.
○A foreign object is stuck in the relief
valve.
○In order to prevent the burst of B. C.
jacket, when inner pressure goes too
high, it has structure which releases air.
○Wash the valve with water well.
14
Air leaks from a mouth piece
portion of an inflator.
○A foreign object is stuck in an oral
valve.
○Wash the inside of inflator with water
well.
Air leaks from a housing at the
shoulder portion of inflator.
○A foreign object is stuck in an
exhaust valve.
○Wash the housing portion with water
well.
B . C . h o s e c a n n o t b e
connected to an inflator.
○ I n s i d e o f t h e B . C . h o s e i s
pressurized.
○Thread size of hose coupling is not
adequate as the B.C. hose is not
Bism product.
○Close the tank valve, release the air
pressure in the hose by pushing the
purge button of a regulator
○Use the B. C. hose of attachment.
Buoyancy is insufficient.
○Weight is too heavy.
○Adjust to a reasonable weight.
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12
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