Bism OCT 2 User manual

OCT 2
OPERATING MANUAL
Introduction
CONTENTS
Introduction ・・・・・・・・・・・・・・・・・１
Important Information ・・・・・・・・・・・ ２
Special Features ・・・・・・・・・・・・・・・２
Precautions ・・・・・・・・・・・・・・・ ３
Names of Parts & Specifications ・・・・・・・・４
Installation of Low Pressure Hose ・・・・・・・５
Check before Use & Setting ・・・・・・・・・６
Basic Usage ・・・・・・・・・・・・・・・・７
Care after Use & Storage ・・・・・・・・・・・８
Periodic Inspection & Service after the Sales ・９
Troubleshooting ・・・・・・・・・・１０～１１
Key to Symbols Used in this Manual
Danger
Warning
Caution
【Note】 Useful Information to know.
Bism CORPORATION
5F, 3-6-18, Higashinihonbashi, Chuo-ku, Tokyo 103-0004 Japan
Phone: [phone] Fax: [phone]
E-mail: [e-mail] URL: http://www.bism.co.jp
Thank you for purchase of our product.
This manual is the guidebook to provide instructions on
how to use your OCT 2, an inflator with octopus
function, which is used attaching to a Bism made B.C.
for recreational diving.
We believe this manual is useful in mastering
technology of a regulator and a B.C. for people who
have learned the right usage of a regulator and B.C.,
and obtained a C-card through proper training at a
diving instruction organization as well as people who
use it at C-card training. Please carefully read and
digest the contents of this manual before use. We also
suggest that you take this manual with you to refer to
before diving.
Keep this manual in a safe place. If you lose it,
contact your original dealer or authorized distributor
of our company. A replacement manual will be reissued
later.
The main contents consist of the check before use,
usage, care after use, storage, and a periodic
inspection.
This product is diving gear to use in combination with
B.C. for recreational diving. Therefore, the knowledge
of the right handling of B.C. is also necessary. Please
use the operating manual of the combination equipment
which you use as well as this manual.
In addition, depending on the model of regulator, it is
considered not being suitable for the use by the
combination with this product. We recommend you use by
the combination with the equipment made by Bism.
We are constantly researching and improving our safety
second, and so the product you purchased may differ in
certain details from the one described in this manual.
If you have any queries regarding your safety second or
the information contained in this manual, please feel
free to contact our company at the address lower right.
Danger indicate a great risk of death or
serious injury from improper use.
Warning indicate a risk of death or serious
injury from improper use..
Caution indicate a risk of minor injury or
damage to property from improper use.

Before Use
It is vital to safety that you use and maintain your regulator correctly and have it inspected periodically. Carefully
read and understand the advice on safety given in the manuals of this product and also the combination equipment which
you use before diving.
Warning
● Do not use this product for any purpose other
than recreational diving.
■Use only for recreational diving.
Warning
● Use this product after having obtained a C-card
and completing a proper training program at a
recognized diving school, and be familiar with
the product, or under the instruction of the
diving school. Otherwise it may cause an accident
resulting in injury or death.
■Obtain C-card before use.
Warning
● When you use this product, please follow all the
instructions about the safety directed in this
operating manual
■Please follow instructions about safety.
Warning
● Do not use this product if it is not functioning
normally.
● If the product starts to function abnormally,
contact your original dealer or authorized
distributor of our company. Using a faulty
regulator may cause an accident resulting in
injury or death.
■Do not use if functioning abnormally.
IMPORTANT INFORMATION
Purpose of Use
This product is diving gear for recreational diving use.
The connection with the Bism made B.C. allows the use, and is a diving equipment which performs buoyancy control by
"supply and an exhaust of the air to B.C.", and emergency spare breathing by "supply of the air in a tank.
The Features of this Product
SPECIAL FEATURES
The lightweight special plastic hose is adopted as a low-pressure hose. Since it is no odor nature (Food Sanitation Act conformity hose), the
air to supply is also clean. In addition, its excellent flexibility also reduces the stress of your month.
2
■ Adoption of a special plastic hose.
End configuration of couplings for hose is changed into the full conformity form of ANSI.Z86.7.2 of the U.S. diving industry standard from the
JIS threads.
■Global standard correspondence of couplings for hose.
Normally, it can be used as an inflator, but in emergency, it can be used as an octopus for backup. You can secure the safety by little
equipment.
■ Integration of inflator and octopus.


Warning
● Please do not fold or pull a hose. It
not only breaks, but it may cause an
accident resulting in injury or death.
□Do not fold or pull a hose.
□ Avoid contact with chemicals.
If mercury and chemicals (thinner, gasoline
and various solvents or those cleaner,
adhesives, paint, medicine and cosmetics
which are containing them) adhere,
discoloration and breakage may be occurred
on the main body and hoses.
□ Please use designated grease.
Please apply the designated grease to the
designated portion only. Breakage may be
caused, if greases other than designated
are used or you apply to the portion out of
the designation. (Please refer to
“Installation of Various Hoses” in the page 9)


Warning
● This product is designed to attach to
the tank which can fill up 250 bars or
less with the air in the atmosphere.
Therefore, the tank with pure oxygen or
high fraction of oxygen cannot be used.
● Please do not use the tank with the
fraction of oxygen of greater than 40%
for the regulator made out of titanium.
Ignition and combustion is generated,
and it may cause an accident resulting
in injury or death.
□Check the tank to use.
□ Follow the safety rules.
Only use under the direction of a recognized diving school or
after obtaining a C-card having completing a proper training
program at a recognized diving school and thoroughly
familiarizing yourself with the correct use of a regulator.
Have your buddy double check everything.
Avoid diving deeper than 30m/98ft which is the maximum safe
depth for normal recreational diving.
□ Please use the Bism made hose guard.
Please do not attach hose guards and hose protectors other than
our products to a low-pressure hose. It may cause hose breakage.
□ Avoid shocks.
Though the product can withstand the shock in
the usual use, drops and hard knocks may
damage it.
Warning
● It is a regulator for recreational diving to use in
the normal water area (the ocean, a lake, fresh water
and seawater swimming pool). You cannot use it in
special environment containing a medicine, a solvent,
oil, etc.
□Do not use it in special environment.
PRECAUTIONS
□ Do not modify the product.
Since it may become a safety problem,
please do not modify the product.
Responsibility cannot be taken about the
trouble after modification.

Warning
● A regulator does not operate
normally when the water pressure
sensor hole of the first and second
stage of a regulator is blocked up.
Please do not block up the water
pressure sensor hole.
□Do not block up the water pressure sensor hole.
3

Oxygen
Grease
Gasoline

NAMES OF PARTS & SPECIFICATIONS
NAMES OF PARTS
OCT ２
Purge Button
Mouth Piece
”IN”Button Quick-Coupler
Dust Cap Housing
Oral Button
Attachments
■ Operating Manual (This copy)
Please confirm before using this product.
Specifications
Hose Portion
Material: Inner tube ；Vinyl chloride
Outer cover ；Vinyl chloride
Coupling；Copper alloy
Outer diameter； 13 mm
Hose length；700 mm
Nominal size of coupling threads；3/8-24UNF
Working pressure；15 bar
Minimum bending radius (Inside of hose)；15 mm
Hose guard ；Regular equipment
Body
Corrugated hose length ；450 mm
(Length from the center of a housing to the end of an oral button)
Weight；680 g (Including hose)
Air supply flow to B.C.； 150 liter/minute

5
Installation of Low Pressure Hose
Warning
● Please install the low pressure hose to an L.P. port, and only the thread size of 3/8-24UNF of low pressure hose
couplings should be connected. Otherwise, not only it causes the damage of equipment, but also a hose comes off and it
may cause an accident resulting in injury or death.
2
Please remove the plug from the L.P. port of a regulator first
stage.
Please screw in the coupling of a low pressure hose to L.P. port and turn it
clockwise with a spanner to tighten it. Tightening torque is 9.8 N・m (100 kgf・
m).
INSTALLATION OF LOW PRESSURE HOSE
Caution
● Please ask the authorized distributor of our company for installation of low pressure hose.
● When you tighten hose couplings with a spanner, please keep the tightening torque (1/36 turns from a
tightening start) of 9.8N・m (100kgf・cm). Otherwise it may cause to damage the threads portion.
● In the case of the value of tightening torque listed in the operating manual of a first stage is smaller
than 9.8 N・m, please follow the value.
Warning
● Please attach a hose in the state that the first stage of a regulator is not connected
to a tank. If the first stage is pressurized during work, a plug in the port flies and it
is dangerous.
● Please confirm that O-rings are set at the threads portion of each hose. When there are
no O-rings, it causes the air leakage.
● Please install the attached special hose. Otherwise, not only it causes the breakage of equipment, but
also you cannot breathe as the hose comes off, and there is possibility of an accident resulting in
injury or death.
1

6
Bite the projection portion of a mouthpiece lightly with your teeth,
and hold it in your mouth so that the whole may be covered with lips..
How to Hold a Mouthpiece in Your Mouth.
Caution
● Please do not bite the projection portion of a
mouthpiece strongly. You may cut it off, if you
bite strongly.
Bite with your teeth.
Cover with your lips
Check of the air leakage.
（1）Before opening the tank valve, please hold a mouthpiece in your
mouth and inhale air to check if the air does not leak and does not
come in to your mouth.
（2）Open the tank valve slowly and once it gets to full open, return
by half-rotation.
（3）Check if there is any air leakage on the first and second stage of
regulator, connecting portion of hose and hose itself.
（4）When air leaks from connecting portion to inflator (around the
quick-coupler), close the valve, release the residual pressure in a
hose by depressing purge button of a regulator second stage, and then
install the quick-coupler again recheck the air leakage.
(If air still leaks, stop to use it and consult with your original
dealer or authorized distributor of our company.)
4
Check of the air intake and exhaust.
Please hold a mouthpiece in your mouth, breathe with a mouth 4 ～ 5
times, and check that air flows normally.
Warning
● After setting, when air does not come out from the
second stage of the regulator normally, please do
not use it.
● When the inhaled air has a smell, please stop to
use the tank and change for other tanks. When the
air still has a smell even if you change a tank,
please stop to use the regulator.
5
Check of the hoses.
Warning
● If there is an abnormality in your regulator by following various checks, you must not use it.
● When there is an abnormality, contact your original dealer or authorized distributor of our company. Use
of the regulator which is not normal may cause an accident resulting in injury or death.
Before setting your regulator to a tank valve, please check whether
the hose is damaged or has not broken.
All the hoses, such as a hose of the safety second connected to the
first stage and a high pressure hose, are to be checked.
CHECK BEFORE USE & SETTING
1
Check of the second stage.
Check if there is any crack in each part of the second stage by
visual.
2
Connect a quick-coupler to inflator.
3
Warning
● When you perform the connecting work of a quick-
coupler, close the tank valve, depress the purge
button of a regulator to release the pressurized
air in a hose.
Connect a quick-coupler to a nose
of B.C. inflator while sliding a collar
of the quick-coupler.
(1)
)While pulling the quick-coupler by gripping the end of it, check
whether it comes off. When it comes off, please start it again
from the beginning.
(3)
Grip the end of the quick-coupler
and push it until it sounds
"click".
(2)
Collar
Nose

7
Warning
● Please be sure to breathe, after draining by performing regulator clear before inhaling air.
It may cause drowning by drinking water accidentally.
● If it carries out in the state that regulator clear is not mastered, it may cause drowning by drinking water. Please
perform practice of regulator clear under instruction of a diving school.
Warning
● Please do not bite the projection portion of a mouthpiece
strongly. Otherwise, as you may cut it off, and there is a
possibility of becoming easy to separate from a mouth which
leads to be drowned, thus it may cause an accident resulting
in injury or death.
● Please hold the second stage in your mouth so that a hose
installed portion comes to a lower position.
Breathing
After holding a mouthpiece in your mouth and performing regulator
clear, breathe with your mouth deeply and slowly.
Hold it in your mouth so that a mouthpiece comes
to an upper position and a hose comes to a lower
position.
Regulator Clear
Before inhaling air, perform discharge operation of water which entered in the second stage of a regulator. (Regulator Clear)
【Note】○ Because if you operate a purge button when it positions just beside, an exhaust valve becomes below, then water can be effectively
discharged.
If a Free Flow is Carried Out・・・
▼Please plug up the hole of a mouthpiece with a palm or a finger.
Caution
● Although a free flow may be carried out from the
second stage of a regulator immediately after an
entry, if you cannot stop it by the method
explained below, please stop use.
■Regulator Clear with the Purge Button.
In the state of holding a mouthpiece in your mouth, depress the purge
button while exhaling.
Since water may remain, inhale air slowly so that you may not drink
water, and if the water still remains carry out the same once again.
■Regulator Clear by Exhaling.
In the state of holding a mouthpiece in your mouth, exhale air
strongly to blow off the water in the second stage.
Since water may remain, inhale air slowly so that you may not drink
water, and if the water still remains carry out the same once again.
Exhale air strongly.
BASIC USAGE
【Note】
○By the direction of second stage, such as immediately after an
entry, air may blow off from a mouthpiece portion. It is not failure
when it stops by the above mentioned method.
How to Hold a Mouthpiece
As to the basic usage of a B.C., please follow the operating manual of the B.C.

8
1
2
Disconnect Quick-Coupler from B.C. Inflator.
According to the operating manual of a regulator and a tank for SCUBA diving, close the tank valve.
Caution
● Before disconnecting a quick-coupler of B.C. hose from inflator, be sure to close the tank valve,
depress the purge button of a regulator to release the pressurized air in a hose.
Depress the purge button of regulator second stage to release residual air in a hose.
CARE AFTER USE & STORAGE
Wash.
Caution
● Equipment may be damaged if soaked in hot water of 50℃ or more.
● Please do not push purge button of the regulator second stage by any means during washing. Water comes
in and may cause the trouble.
● Please be sure to put the dust cap of the regulator first stage firmly. Otherwise water comes in the
gauge and hose, and it causes failure.
【Note】
○ When you push the purge button of the regulator second stage by accident during washing or forget to put a dust cap, connect the first stage
to a tank again and push the purge button to blow off internal water.
3Pull the collar of a quick-coupler and disconnect from the nose while
pulling the collar.
1
2
Put a dust cap to a quick-coupler.
Wash it according to an operating manual of B.C.

9
■ Wash OCT 2 together with B.C. fully.
■ Avoid direct rays, and store the products after making it fully dry
in the shade with the dry, cool and sufficient ventilation.
Drying-Out and Storage
Caution
● Please keep the hose in a natural form. Forced
bending causes kinking of a hose and shorten a
hose life remarkably.
● If you leave the product in
the state of high
temperature, such as in a car
or on a beach, it may
interfere with a function.
● When a translucent mouthpiece
and white parts (hose etc.)
are left under sunlight or a
fluorescent light for a long
time, it may yellow.
Moreover, if they touch
rubber commodities, such as a fin, for a long
time, a color of the rubber may stain.
【Note】
● Some parts carry out natural deterioration. Exchange of such parts
is also performed by periodic check.
Warning
● Please ask your original dealer or authorized
distributor of our company for a periodic
inspection per once in a year or once in every
100 dives.
● Regardless whether or not you use it, OCT 2 may
not function normally when you ignore a periodic
inspection.
■ Please ask your original dealer or authorized distributor of our
company for a periodic inspection per once in a year. (Pay Service)
Service after the Sales
□ When your OCT 2 is out of condition, check it first.
Please refer to the clause of "Troubleshooting" and check whether it is failure.
□ When it is still out of order;
Please contact your original dealer or authorized distributor of our company.
□ Reserving period of parts.
Our company reserves the performance parts (the parts required to maintain the function of the product) for
repairing a regulator for at least 8 years after the production is discontinued. Since repair may be
possible depending on a problem even after this reserving period passes, please consult with your original
dealer or authorized distributor of our company.
Periodic Inspection
PERIODIC INSPECTION & SERVICE AFTER THE SALES

10
Please check it once again before sending it to repair. When still not operating normally, please consult with your
original dealer or authorized distributor of our company for repair.
TROUBLESHOOTING
Trouble Major Cause Measure Page
Air does not
󲶳ow.
○ A failure to open the cock of a
tank valve.
○ A tank is empty.
○ Water pressure sensor hole of
either 󲶲rst stage or second stage
is blocked.
○ Open the tank valve.
○ Change to a tank with full of air.
○ Check whether the water pressure
sensor hole is blocked.
ー
ー
３
Inhalation
resistance is
high.
○ There is little air in a tank.
○ Tank valve is not fully opened.
○ Operation failure of the second
stage.
○ Water pressure sensor hole of
either 󲶲rst stage or second stage
is blocked.
○ Change to a tank with full of air.
○ Make a tank valve full open.
○ Consult with your original dealer
or authorized distributor of our
company.
○ Check whether the water pressure
sensor hole is blocked.
－
６
－
３
Exhalation
resistance is
high.
○ Fixing of body case and exhaust
valve.
○ Dip in water and melt the crystal
of salt.
８
Free 󲶳ow ○ Air is blow off by Venturi
effect.
○ Block the hole of mouthpiece. ７
Water comes in to
the second stage.
○ Regulator clear is not enough.
○ A foreign substance is caught
in an exhaust valve.
○ Slack and crack of a
mouthpiece.
○ Crack of a second body case.
○ Perform the regulator clear again.
○ Check of the exhaust valve.
○ Check of a mouthpiece.
○ Consult with your original dealer
or authorized distributor of our
company.
７
－
－
－
Air leakage from
the 󲶲rst stage.
○ Thread portion of a hose loosen
or comes off.
○ Abrasion of O-ring of an air
leak portion, a crack and a
foreign substance.
○ Retighten the thread portion of
all hose.
○ Consult with your original dealer
or authorized distributor of our
company.
５
－

11
Trouble 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.
○ Connect the B. C. hose correctly.
○ Open the tank valve.
○ Change to the tank with full of
air.
６
ー
ー
BC does not
inflate even if
I push the "IN"
button. (Air is
supplied).
○ You might push “ORAL” button at
the same time.
○ Pull dump valve is open.
○ Do not push “ORAL” button.
○ Do not pull remote valve.
ー
ー
BC does not
inflate even if I
perform the "Oral
Inflation". (Air
is not supplied).
○ Pull dump valve is open.
○ Relief valve is open.
○ The ”ORAL” button is pushed at
the time except blowing air.
○ Do not pull remote valve.
○ Do not pull exhaust knob.
○ Push “ORAL” button only at the
time blowing air.
ー
ー
ー
Exhaust cannot
be performed by
“ORAL” button.
○ Posture is not appropriate. ○ Perform button operation while
taking a posture so that the position
of the exhaust vent becomes higher
than the 󲶳oat portion.
ー
Air leaks from
a mouth piece
portion of an
in󲶳ator.
○ A foreign object is stuck in an
oral valve.
○ Wash the inside of inflator with
water well.
８
Air leaks from a
housing at the
shoulder portion
of in󲶳ator.
○ A foreign object is stuck in an
exhaust valve.
○ Housing is not tightened
enough.
○ Wash the housing portion with water
well.
○ Install the housing portion again.
８
ー
B. C. hose cannot
be connected to
an in󲶳ator.
○ Inside of the B. C. hose is
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 Bism made B. C. hose of
attachment.
６
ー
TROUBLESHOOTING

12
Bism CORPORATION
5F, 3-6-18, Higashinihonbashi, Chuo-ku, Tokyo 103-0004
Japan
Phone: [phone] Fax: [phone]
E-mail: [email protected] URL: http://www.bism.co.jp
Memo
20190517MR