Sea Quest Black Diamond User manual

R
OWNER’S MANUAL

2Black Diamond Owner’s Manual
Black Diamond Owner’s Manual 3
SAFETY INFORMATION ..................................................... 3
General Precautions & Warnings ...................................................3
BASIC SETUP ..................................................................... 5
Attaching the LP Hose to the First-Stage............................................... 5
Securing the BC to the Cylinder............................................................. 6
Threading the Cylinder Band ................................................................. 7
Double Cylinder Setup ........................................................................... 8
ADJUSTING THE FIT .......................................................... 9
Adjusting the Cummerbund Length........................................................ 9
Adjusting the Chest Strap .................................................................... 10
WEIGHT INTEGRATION FEATURES ................................11
Weight System - Setup & Installation ......................................... 11
Loading the Weight Pouches................................................................ 11
SureLock™ Weight Pouch Installation ................................................. 13
Releasing the SureLock™ Weight Pouches................................14
Non-Releasable Weight .................................................................15
DONNING AND ADJUSTMENT PROCEDURES .............. 16
INFLATION METHODS...................................................... 17
Oral Ination......................................................................................... 17
Power Ination...................................................................................... 17
DEFLATION METHODS .................................................... 18
Deation via Oral Inator...................................................................... 18
Deation via Dual Exhaust Valve ......................................................... 18
Overpressure Relieve (OPR)/ Dump Valve .......................................... 19
SPECIAL FEATURES........................................................ 20
Knife Attachment.................................................................................. 20
Pockets................................................................................................. 20
PRE-DIVE INSPECTION.................................................... 21
POST-DIVE CARE & MAINTENANCE .............................. 22
DEALER INSPECTION & SERVICE ................................. 23
WARRANTY INFORMATION............................................. 24
ANNUAL SERVICE & INSPECTION RECORD ................ 26
CONTENTS

2Black Diamond Owner’s Manual
Black Diamond Owner’s Manual 3
SAFETY INFORMATION
General Precautions & Warnings
Before using this buoyancy compensator (BC), you must receive in-
struction and certication in SCUBA diving and buoyancy control from
a recognized training agency. Use of SCUBA equipment by uncertied
or untrained persons is dangerous and can result in injury or death.
Read this owner’s manual completely before attempting to use your
BC, and become familiar with it rst in a controlled environment such
as a swimming pool, in order to weight yourself properly and to be-
come comfortable with using its many features and adjustments.
Before every dive, perform a complete pre-dive inspection according to
the procedure prescribed in this manual, to ensure that all components
are functioning properly and no signs of damage or leaks are pres-
ent. If you nd that your BC is not functioning properly or is damaged,
remove it from service until it can be repaired by an authorized Aqua
Lung/SeaQuest Dealer.
Your BC is not a lift bag. DO NOT use it to bring heavy objects to the
surface. Doing so may cause permanent damage to the BC, and could
also result in serious injury or death due to embolism or decompres-
sion sickness.
In an emergency such as an out of air situation or uncontrolled de-
scent, it is important to remove and jettison weight immediately. DO
NOT depend solely on using your BC’s power inator to lift you to the
surface.
In the event of an uncontrolled, rapid ascent, it is important to immedi-
ately begin venting air from the BC. Continue venting air to slow your
ascent rate if neutral buoyancy cannot be reestablished.
DO NOT inhale from your oral inator. The BC may contain harmful
contaminants or gasses, which could cause suffocation or injury.
Factory prescribed service for this BC must be performed at least
once annually by a factory trained technician who is employed by an
authorized Aqua Lung/SeaQuest Dealer. Annual service consists of a
complete overhaul of the power inator, and a general air leak inspec-
tion of the bladder and valve connections.
Disassembly, repair, or lubrication must not be attempted by persons
who are not factory trained and authorized by Aqua Lung/SeaQuest.
Unauthorized service will render the warranty null and void.

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Black Diamond Owner’s Manual 5
WARNING: A buoyancy compensator (BC) is NOT a life
jacket! It is not designed to provide face-up flotation in all
situations, and therefore it does not meet U.S. Coast Guard
regulations for a life preserver or personal flotation device
(PFD). If you become unconscious in the water without a
buddy present to immediately give assistance, you may suf-
fer serious injury or death from drowning.
Your buoyancy compensator is primarily designed to help you maintain
neutral buoyancy while in a comfortably balanced, face-down swimming
position underwater. It is also designed to provide you with otation so
that you can rest on the surface, but it is not designed to function as a
life preserver or personal otation device (PFD). In order to meet U.S.
Coast Guard regulations, a PFD must be designed so that it automati-
cally rights you to a face-up position and holds your head out of the
water on the surface. The design characteristics of a personal otation
device are therefore different from those of a buoyancy compensator.
The ability of any otation device to oat you in a face-up position can
also be affected by other diving equipment you wear, including a cylin-
der, weight or exposure suit, and whether it can be inated before you
lose consciousness.
For this reason, it is important to always dive with a buddy, and maintain
close proximity with them at all times. Do not depend on any otation
device to hold your face above the surface in the event that you are ren-
dered unconscious in the water while diving.
WARNING: Although this manual provides some basic
guidelines for certain buoyancy control techniques, it is not
a substitute for training from a professional diving instruc-
tor. Failure to weight yourself properly may create a hazard-
ous condition that could lead to serious injury or death. If
you are unsure how to weight yourself in order to achieve
optimum buoyancy underwater and on the surface, do not
dive until you have obtained the necessary instruction
from your diving instructor or an authorized Aqua Lung/
SeaQuest Dealer.
If you have any questions regarding your Buoyancy Compensator or
these instructions, contact your local dealer or Aqua Lung/SeaQuest at
[phone]

4Black Diamond Owner’s Manual
Black Diamond Owner’s Manual 5
BASIC SETUP
Note: The terms “hook,” “loop,” and “hook & loop” are used through-
out this manual. Hook & Loop is commonly known as Velcro®, which
is a trademarked brand of hook & loop. Many of the BC’s components
have hook & loop attachments, including the waistband, cylinder bands,
and weight pouch aps.
Aqua Lung/SeaQuest recommends that you bring your buoyancy com-
pensator, together with your regulator, to your authorized dealer for the
installation of the low pressure (LP) inator hose and other accessories.
The retailer can also answer any questions you may have pertaining to
the information in this manual. If it is not possible to return the BC with
your regulator to your authorized dealer, you may install the LP quick
disconnect inator hose by carefully performing the steps in the following
procedure.
Attaching the LP Hose to the First-Stage
WARNING: DO NOT connect the inflator hose to a high
pressure (HP) port (greater than 200 psi / 14 bar). This may
cause the hose to burst when pressurized, which can result
in serious injury. If you are unsure which regulator port is
low pressure (LP) or high pressure (HP), consult your regu-
lator owner’s manual or your dealer before attaching the
hose.
1. Remove the inator hose from the power ina-
tor body by gripping the grooved sleeve over the
quick disconnect coupling with your thumb and
forenger and sliding the sleeve back (Fig. 1).
Fig. 1
2. Remove the port plug
from a low pressure (LP)
port on the regulator us-
ing an appropriately sized
wrench (Fig. 2).
3. Check to ensure the O-ring is present and in good
condition, and screw the threaded end of the hose
into the port. Tighten to 40 inch-pounds (46 kg/cm)
with a ⁹⁄₁₆” wrench (Fig. 3).
Fig. 3
Fig. 2
F

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Black Diamond Owner’s Manual 7
Securing the BC to the Cylinder
Note: BC cylinder bands adjust for all standard cylinder diameters:
6.9” (17.5 cm), 7.25” (18.5 cm), and 8.0” (20.3 cm). The cylinder
bands are properly threaded to the buckles when the BC leaves the fac-
tory. If rethreading is necessary, follow the procedure in the next section,
“Threading the Cylinder Band.”
1. Remove the free end of the cylinder band
from outer slot on the buckle (Fig. 4).
2. Wet the cylinder band and then slide it
over the cylinder so that the BC is at the
desired position in relation to the cylinder
valve. Make sure the cylinder valve air
outlet is facing the back of the BC. While
holding the cylinder secure, pull the free
end of the cylinder band until there is a
very tight t between the pack and the
cylinder (Fig. 5).
3. Close the buckle halfway to hold the cyl-
inder band taut (Fig. 6a), and thread the
free end of the band through the open
slot in the end of the buckle (Fig. 6b).
4. Pull the cam buckle closed so that it lies
at against the cylinder. Secure the end
of the cylinder band with the hook & loop
attachment.
5. Test the tightness by pushing/pulling the
back frame and cradle. Tighten and se-
cure the weight pocket strap.
WARNING: The cylinder band will initially stretch as it be-
comes wet. Always wet the band before making the final
adjustment; apply enough tension to ensure that the cylin-
der is completely secure. Test this connection before every
dive. If the cylinder slips free from the BC during the dive,
you may lose your air supply, which could lead to serious
injury or death.
Fig. 4
Fig. 5
Fig. 6
Remove band
from outer slot
Close buckle
halfway
Insert band
into open slot
F
a.
b.

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Black Diamond Owner’s Manual 7
Threading the Cylinder Band
Step 1. Firmly grasp the metal D-ring
with your left hand.
Step 2. While rmly holding the metal
D-ring, rotate the buckle back towards
the webbing. The buckle should form
and angle with the metal D-ring as
shown in the top view.
Step 3. Insert band through
the metal D-ring, then
through the middle slot.
Step 4. Insert band through the
inside slot.
Step 5. Insert band through
the outer slot.
NOTE: This nal threading step is done when the BC is secured to the
cylinder (refer to step 3, gure 6 on previous page). Close the buckle
halfway to prevent the webbing from slipping and thread the free end of
the band through the open slot in the end of the buckle.
F
TOP VIEW

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Black Diamond Owner’s Manual 9
Double Cylinder Setup
The Tank Band Kit for Double Cylinders (P/N 427042) allows mounting
of double cylinders to all sizes of the Black Diamond. Please see mount-
ing instruction provided with the kit.
Before adapting your BC for use with double cylinders, it is important to
compare the lift capacity of your particular BC size and model with the
buoyancy specications of the cylinders, the amount of weight you will
carry, and the type of exposure suit you will wear. When fully charged
and worn together as doubles, some cylinders may create enough nega-
tive buoyancy to counteract the amount of lift your BC can provide. At
depth, this can lead to a dangerous situation if your wetsuit becomes
compressed and you can no longer achieve positive buoyancy by jet-
tisoning weight.
Additionally, the structure of the back pack will not support the weight
of an oversized double cylinder set up. The BC may only be used with
standard aluminum (maximum 80 cf/10 litre) or steel (maximum 100 cf,
3,500 psi) tanks. High volume, low pressure steel tanks can be especial-
ly hazardous when worn as doubles, due to their weight and buoyancy
characteristics.
WARNING: The use of oversized double setups can lead to
a dangerous situation underwater, including your inability
to achieve positive buoyancy, or structural failure of the
backpack. Such an event while diving may separate you
from your primary air source, and could lead to serious in-
jury or death.

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Black Diamond Owner’s Manual 9
ADJUSTING THE FIT
The Black Diamond has two adjustments that allow you to customize the
t: the length of the waistband, and position of the chest strap. The pro-
cedures for making these adjustments are outlined below. It is important
to take into account the exposure suit you will be wearing when making
adjustments. For example, if you adjust the Black Diamond to t over a
T-shirt or bathing suit, it will be too small when you put it on while wear-
ing a 7mm wetsuit or a drysuit.
Adjusting the Waistband Length
The Black Diamond’s waistband consists of two separate sections which
are each attached to the rear panel with two stainless steel nut and bolt
combinations. There are three positions that allow you to lengthen or
shorten the waistband, with the outer grommets being the longest set-
ting. If necessary, the waistband can easily be remounted onto one of
three grommeted attachment points by performing the following proce-
dure:
1. Disconnect the chest strap buckle, shoulder strap buckles, waist
strap buckle, and waistband.
2. To remove the bolts which fasten each section to the rear panel,
hold the nut with a 3/8” box-end wrench and unscrew the bolt with a
medium-sized phillips screwdriver (Fig. 7).
3. Align the grommet holes in the waistband with the holes in the
panel. Insert the bolt through the front of the panel, through the
waistband, and thread the nut onto the bolt from behind the waist-
band (Fig. 8). Hold the nut securely with a 3/8” wrench and tighten
the bolt with a phillips screwdriver.
4. Don the BC over your exposure suit to check the t.
Fig. 7 Fig. 8
Bolt goes
thru front
Nut behind waistband
Hold with
3/8” wrench

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Black Diamond Owner’s Manual 11
Adjusting the Chest Strap
The chest strap ts across your sternum and keeps the two shoulders
from slipping to the sides, ensuring a comfortable and secure t. Before
donning the BC, loosen and disconnect the chest strap. After donning
the BC, connect the chest strap and tighten by pulling on the free ends
of the straps. The chest strap should feel comfortable across the chest; it
should not be overtightened so that it feels restrictive. Once the shoulder
straps are in position, adjust the shoulder strap length by pulling down
on the adjustment D-rings until the BC ts comfortably.
The chest strap also has two vertical positions. To adjust, slide the strap
(up or down) across the small “ bumps” on the strap guides (Fig. 9).
UPPER POSITION
LOWER POSITION
BUMPS
Fig. 9

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WEIGHT INTEGRATION FEATURES
The Black Diamond features the SureLock™ (SL) weight system. With
the SureLock™ system, weight pouches are secured with a mechani-
cal locking mechanism, as opposed to a hook & loop attachment used
on other models. The SureLock™ weight system either supplements or
replaces a conventional weight belt. This unique feature allows you to
quickly jettison either one or both of two weight pouches in the event
of an emergency, thereby maintaining better control over your rate of
ascent. The weight pouches can be easily reloaded into their respective
holsters while you are wearing the BC. This makes the BC much easier
to don than other weight-integrated BC’s that must be fully loaded with
weight prior to donning.
It is very important to read the following instructions, and become thor-
oughly familiar with the correct methods for installing and releasing
weight before you dive with your BC.
Weight System - Setup & Installation
The weight system features two interchangeable weight pouches which
can be lled with either block weights or “soft weight” (pouches contain-
ing lead shot), in increments of 4 lbs./2 kg or less. For ease of operation,
low-prole block weight is strongly recommended. Each weight pouch
can hold a maximum of 16 lbs/7 kg (32 lbs/14.5 kg total).
Loading the Weight Pouches
Aqua Lung/SeaQuest recommends that each pouch is loaded with equal
amounts of weight for optimum balance; this will prevent the tendency
to roll to one side during the dive. Also, it is strongly recommended that
each weight pouch is fully loaded with four separate blocks. For exam-
ple, if you want to load a weight pouch with 12 pounds, use four sepa-
rate 3-pound blocks.
1. If the weight pouches are installed in the BC, remove them by rmly
pulling the release handle toward the center of the waistband.
Note: The weight pouches are specially pre-formed to t the contour of
your waist. Do not attempt to bend or straighten a pre-formed pouch.
F

12 Black Diamond Owner’s Manual
Black Diamond Owner’s Manual 13
2. Installing weight blocks into weight pouches.
The weight pouch has an upper and lower weight compartment. For
optimum balance, it is important that the weight is loaded correctly
in each compartment. Use the diagram below (Fig. 10) for proper
weight placement. (This diagram is also sewn on the weight pouch
ap.)
Top Top Top
Top
Top Top Top
Fig. 10
Lift up each pouch’s ap (Fig 11a), and lay it back over the handle
(Fig 11b). While holding the pouch fully open, insert the weight and
then close the ap. Firmly run your hand over the aps to securely
seal the hook & loop (Fig 11c).
a
b
c
Fig. 11

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Black Diamond Owner’s Manual 13
SureLock™ Weight Pouch Installation
CAUTION: Aqua Lung/SeaQuest strongly recommends that
you do not attempt to don your BC when it is fully loaded
with weight. You may otherwise risk injury due to muscle
strain or a temporary loss of balance.
The pouches are installed with the smooth panel (Fig. 12a) facing out-
ward (pouch ap facing toward the BC). To install either pouch, slide the
closed end of the pouch into the opening of the holster. Insert the male
portion of the SureLock™ buckle (Fig. 12b) into the female receptacle
(Fig. 12c) on the BC until you can hear/feel it click into place.
a
b
c
Fig. 12

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Black Diamond Owner’s Manual 15
WARNING: Before every dive, make sure each weight pouch
is secure in order to prevent the pouches from falling out.
Involuntary release of both weight pouches underwater can
cause a sudden increase in buoyancy causing a rapid as-
cent, which could lead to serious injury or death due to ar-
terial gas embolism, decompression sickness, or drowning.
Releasing the SureLock™ Weight Pouches
Unlike a weight belt that has only one release mechanism, each weight
pouch is connected to the BC independently of the other and must be
released accordingly. This provides you with the option of releasing one
pouch at a time and maintaining better control of your ascent rate in an
emergency.
In the event that you need to jettison weight, simply pull the release han-
dle of each pouch towards the center of the waist buckle (Fig. 13). When
the pouch is completely disengaged from its holster, hold it out and away
from your body before dropping it.
WARNING: Ensure that your weight pouches are not ob-
structed by any straps, lines, etc. DO NOT add weight to
the BC’s accessory pockets, as this may interfere with the
removal of the pouches in an emergency. Failure to ditch
weight in an emergency may lead to serious injury or death
due to drowning.
WARNING: To avoid injuring other divers, always look below
you before dropping weight.
In addition to becoming familiar with the SureLock™ weight system
yourself, it is very important to explain its function to your dive buddy so
that he/she is equally familiar with it.
Fig. 13

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Black Diamond Owner’s Manual 15
Non-Releasable Weight
To supplement the releasable weight, the Black Diamond is designed to
carry non-releaseable weight in two xed pockets located on each side
of the BC, between the harness and air bladder. Each pocket can hold
up to 5 lbs/2.3 kg (10 lbs/4.6 kg total).
To install weight into the non-releasable weight pockets, disconnect the
ap buckle and open the hook & loop ap (Fig. 14). Slide in the weight
block, resecure the hook & loop ap, fold the ap over the pocket, and
reconnect the buckle (Fig. 15).
The non-releasable weight pockets are designed to hold single rectan-
gular weight blocks. Aqua Lung/SeaQuest strongly advises against using
small bullet-shaped weights and shot weight.
Because the weight is non-releasable, it must not be used as your pri-
mary source of ballast. After lling the xed pockets with weight, it is ex-
tremely important to check your buoyancy in the water while wearing the
BC attached to a fully charged cylinder and your exposure suit. While
standing in chest-deep water, deate the BC completely and check to
ensure that you can easily achieve positive buoyancy by jettisoning your
releasable weight.
WARNING: The non-releasable weight pockets are intended
strictly for containing non-releasable weight, used in ad-
dition to releasable weight. Do not fill either pocket with
weight unless you are certain you can achieve positive
buoyancy at depth by releasing your weight pouches or
weight belt while your BC is completely deflated.
Fig. 14 Fig.15

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Black Diamond Owner’s Manual 17
DONNING & ADJUSTMENT PROCEDURES
1. Remove the weight pouches from the BC.
2. Loosen and disconnect the chest buckle, waist buckle, and waist-
band.
3. Ensure that the swivel buckles on both torso straps are securely
fastened. While rmly holding the torso strap where it connects to
the BC lobe, fully extend each torso strap to its maximum length by
pushing straight up on the slide buckle.
4. While your dive buddy lifts and holds the BC/cylinder behind you,
place your arms through the BC torso straps as if you were putting
on a jacket.
5. While your buddy continues to hold the cylinder, secure the waist-
band and connect the waist buckle. The weight of the cylinder
should rest on the lumbar region (lower part) of your back.
6. Connect the chest strap buckle. Pull on the free ends of the strap to
tighten. The chest strap should feel comfortable across the chest; it
should not be overtightened so that it feels restrictive.
7. After your buddy has released the cylinder and the BC feels com-
fortably supported on your hips and shoulders, bend forward at the
waist and adjust the torso straps to a comfortable length by pulling
on the torso strap D-rings.
NOTE: Adjusting the shoulder straps too tightly will transfer the cylin-
der weight from the hips to the shoulders, restricting your arm move-
ment and decreasing comfort.
8. If necessary, readjust the waist buckle so that is comfortably snug,
but not restricting.
F

16 Black Diamond Owner’s Manual
Black Diamond Owner’s Manual 17
INFLATION METHODS
Oral Ination
To orally inate your BC, place your lips on
the oral inator mouthpiece (Fig. 16a) and
exhale a small amount of air into the mouth-
piece to purge any water that may still be in
the housing. While continuing to exhale into
the mouthpiece, depress the oral inator but-
ton (Fig. 16b) to inate the BC. Immediately
after exhaling, release the oral inator button
to prevent air from escaping.
Power Ination
For the power inator to operate, the low
pressure (LP) inator hose must be con-
nected. To connect the LP hose, grip the
grooved sleeve at the connection tting with
your thumb and forenger, and slide the
sleeve back. Place the tting over the quick
disconnect plug (Fig. 16c), and rmly push
inward while releasing the sleeve. Check to
ensure that the hose is securely attached. Af-
ter the hose is attached to the power inator,
pressurize the rst-stage regulator by slowly
opening the cylinder valve.
To inate your BC with low pressure air, de-
press the power inator button (Fig. 16d).
Do not hold the inator button depressed
continuously underwater, as this could cause
you to become excessively buoyant. Instead,
depress the button in short bursts until you
become neutrally buoyant.
Fig. 16
a
b
c
d
e

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Black Diamond Owner’s Manual 19
WARNING: Do not rely on the power inflator as the only
means to inflate your BC. It is important to practice the
technique for orally inflating your BC so that you are pre-
pared for any type of malfunction or out of air situation that
could render the power inflator inoperable. You may other-
wise be unable to achieve positive buoyancy in an emer-
gency, which could lead to serious injury or death.
DEFLATION METHODS
Throughout the course of a dive, it will be necessary to release air from
the BC using one of the three methods described in the following in-
structions. Each method uses a valve that is in a different location. The
method you choose at any time may depend on whether you are making
your initial descent feet-rst, head-rst, or maintaining neutral buoyancy
underwater. Always remember to utilize the valve that is at the highest
point on the bladder, depending on your position in the water.
Deation via Oral Inator
To deate the BC using the oral inator, lift the Powerline inator body
to its highest possible position (above the head). Press the oral inator
button (Fig. 16b, previous page) to start venting air. This method is most
effective on the surface when starting the initial descent.
Deation via Dual Exhaust Valve
Inside the power inator’s corrugated hose is a cable that attaches the
power inator to the dual valve at the top of the airway assembly (Fig
18e, previous page). You can vent air from the BC by rmly pulling straight
down on the power inator, or on the Trim Grip™ handle that is provided
with the Air Source (refer to Air Source Manual).
This exhaust valve provides an effective and convenient way to vent air
from the BC while in either an upright or facedown swimming position.
It also functions as an overpressure relief (OPR) valve that will open
automatically to relieve air pressure inside the bladder when it reaches
approximately 2.5 psi (.17 bar) over the surrounding water pressure. This
feature is very critical for preventing stress or damage to the BC’s blad-
der.

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Black Diamond Owner’s Manual 19
Overpressure Relief (OPR)/Dump Valves
In addition to the overpressure relief (OPR) valve that is integrated into
the dual valve, the Black Diamond has three other OPR/dump valves:
Two are located at the bottom of the air bladder on the left and right
hand sides (Fig. 17a); the third is located on the right shoulder (Fig. 18a).
Their primary function is to relieve excess air pressure inside the blad-
der, but they can also be opened manually by pulling on the ball and
cord assembly to quickly dump air (Fig. 17b & 18b).
a
To dump air as quickly as possible, always use the dump valve at the
highest point in the water column. For example, the lower rear valve
works best while making a head-rst descent, or swimming in a face-
down position; the dual valve works best when in an upright position.
CAUTION: The proper function of either overpressure relief
valve is vital to prevent damage to the BC bladder. Unau-
thorized service or tampering may render these valves in-
operable, and could cause the bladder to leak or burst. This
type of damage is not repairable, and is not covered under
warranty.
WARNING: Most training agencies recommend that you
should descend in an upright, feet-first position, in order
to maintain a slower and more controlled descent. This is
especially true if you experience difficulty equalizing your
ears, or if you are descending in low visibility conditions.
Fig.17
a
bb
a
Fig. 18 b

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Black Diamond Owner’s Manual 21
SPECIAL FEATURES
Knife Attachment
The Black Diamond has two grommet
holes located on the left pocket ap. These
holes are designed to accept many of the
specialty knives available from Deep See
(Fig. 19). For information on available knife
models, consult with your Aqua Lung/
SeaQuest/Deep See retailer. To attach the
knife, refer to the instructions that come
with the knife.
Fig. 19
Pockets
The Black Diamond has three
pockets:
1. A standard zippered pocket
is located on the right side
(Fig. 20).
2. A small zippered pocket is
located on the waistband,
underneath the ap ( Fig. 21 ).
3. An extendable pocket is lo-
cated on the left side of the
BC. To extend the pocket, lift
up on the ap, extend the
pocket, and resecure the
ap (Fig. 22). This pocket is
excellent for dive lights.
Fig. 20
Fig. 21
Fig. 22
Fig. 19