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Supplied-air hood
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© 2
013
by T
he S
.E.A
. Gro
up
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© 2
013
by T
he S
.E.A
. Gro
up
CHECK:• Clean and intact• Securely connected• Breathing-air quality• Know how to use• Functional check
(if required)
…put on the hood
• Put the waistband (with the regulator) around your waist
• Place the regulator so you can see it (even with the hood on)
• Make sure the large control knob is within easy reach
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© 2
013
by T
he S
.E.A
. Gro
up
…put on the hood
• Connect the hood to the regulator
• Push the hose into the connector until it clicks into place
• Pull on the hose a few times to make sure it is secured
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© 2
013
by T
he S
.E.A
. Gro
up
…put on the hood
>>click<<
• Connect the supply hose to the regulator
• Push the hose connector onto the nipple until it clicks
• Pull on the hose a few times to make sure it is secured
>>click<<
Hood too loose or too tight?• Reach inside the hood• Turn the knob at the back of the
head
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© 2
013
by T
he S
.E.A
. Gro
up
…put on the hood
Hood too high or too low?• Reach inside the hood• Undo the lugs in the sliding
headband• Fit the lugs into more suitable
holes
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© 2
013
by T
he S
.E.A
. Gro
up
…put on the hood
• Tighten the neck strap• Undo the clip and pull the strap• It should feel snug but not
choking
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© 2
013
by T
he S
.E.A
. Gro
up
…put on the hood
• Adjust the airflow with the knob on the regulator
• 150–240 litres/minute• For your safety, air flow cannot be
turned off
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© 2
013
by T
he S
.E.A
. Gro
up
…put on the hood
RULE NUMBER ONE:• Leave the work area
with the hood still on!• Contaminated air may
linger for a long time, even after you stop working.
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© 2
013
by T
he S
.E.A
. Gro
up
…take off the hood
• Unbuckle the neck strap• Grab the top of the
hood with both hands and pull firmly upward and forward
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© 2
013
by T
he S
.E.A
. Gro
up
…take off the hood
…do a functional check
• Make sure the hood and air supply are connected to the regulator
• Air should be flowing into the hood
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© 2
013
by T
he S
.E.A
. Gro
up
…do a functional check
• Turn the regulator down to minimum.
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© 2
013
by T
he S
.E.A
. Gro
up
…do a functional check
• Place hood into test bag• Seal off the bag around
the hose
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© 2
013
by T
he S
.E.A
. Gro
up
…do a functional check
• With the other hand, hold flow tube up vertically
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by T
he S
.E.A
. Gro
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…do a functional check
• Floating ball should be on or above the lowest line
150 l/min
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© 2
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by T
he S
.E.A
. Gro
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…do a functional check
• If the floating ball is not on or above the line, shake it a few times and make sure the tube is completely vertical
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© 2
013
by T
he S
.E.A
. Gro
up
…do a functional check
• If functional check is unsuccessful, call supervisor
• Do not use the hood
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© 2
013
by T
he S
.E.A
. Gro
up
…undo the hose connectors
• Push hose connectors further together
• Draw back locking cuff
• Pull apart
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© 2
013
by T
he S
.E.A
. Gro
up
…clean the hood
Normal cleaning:• Mild detergent• Warm water• Soft cloth or sponge
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© 2
013
by T
he S
.E.A
. Gro
up
…clean the hood
Heavy cleaning:• Use white spirits or
similar de-greasing agent
• Then wash away solvent with warm soapy water
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© 2
013
by T
he S
.E.A
. Gro
up
Thank you for watching
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© 2
013
by T
he S
.E.A
. Gro
up