Cylinder Replacement Procedure - Scott 2.2 Operating & Maintenance Instructions

CylINDER REPlACEMENT PROCEDURE

Depleted or partially depleted SCBA cylinders must be replaced with full
cylinders as soon as possible. In normal practice, the user removes the
respirator assembly and places it on solid support to change the cylinder.
Cylinder replacement may also be performed while the user is wearing
the respirator assembly with the assistance of a second individual.
The SCOTT AIR-PAK X3 SNAP-CHANGE equipped with a SNAP-CHANGE
cylinder coupling.
USE ONLY CYLINDER DESIGNED AND APPROVED FOR YOUR SCBA.
CylINDER ATTACHMENT
Use only cylinders of the correct rated pressure for the respirator.
• Model 2.2 SCBA's must use only cylinder and valve assemblies
marked for 2216 psig service (30 minute rated only)
• Model 4.5 SCBA's must use only cylinder and valve assemblies
marked for 4500 psig service (30 minute, 45 minute, or 60 minute
rated)
• Model 5.5 SCBA's must use only cylinder and valve assemblies
marked for 5500 psig service (30 minute, 45 minute, 60 minute, or
75 minute rated).
Always inspect the cylinder valve assembly and the SNAP-CHANGE con-
nector on the cylinder valve assembly before connecting to the pressure
reducer coupling. Never use a cylinder with a damaged cylinder valve
assembly or a cylinder valve assembly with damaged SNAP-CHANGE
connector.
P/N 595279-01 Rev. B 5/14
NOTE
SNAP-CHANGE
DIRECT COUPlING
FIGURE 17
Page 36 of 48
WARNING
T H E C y l I N D E R T y P E S
INTERCHANGEABlE. USE ONly CylINDER
DESIGNED FOR yOUR SCBA. ATTEMPTED
USE OF A CylINDER AND VAlVE ASSEMBly
T H AT I S N O T D E S I G N E D F O R y O U R
RESPIRATOR MAy RESUlT IN FAIlURE
OF THE SCBA WHICH COUlD lEAD TO
SERIOUS INJURy OR DEATH.
WARNING
THE USE OF ANy AIR CylINDER OTHER
THAN A CylINDER AND VAlVE ASSEMBly
APPROVED FOR USE WITH THE SPECIFIC
S C O T T A I R - PA K R E S P I R ATO R M O D E l
BEING SERVICED MAy RESUlT IN lOSS
OF AIR FROM THE CylINDER OR IMPROPER
OPERATION OF THE RESPIRATOR.
SEE THE NIOSH APPROVAl lABEl (SCOTT
DOCUMENT 595281-01) SUPPlIED WITH
THESE INSTRUCTIONS FOR CylINDER AND
VAlVE ASSEMBlIES APPROVED FOR USE
WITH SPECIFIC SCOTT AIR-PAK MODElS.
WARNING
N E V E R U S E A C y l I N D E R W I T H A
DAMAGED CylINDER VAlVE ASSEMBly
OR A CylINDER VAlVE ASSEMBly WITH
D A M A G E D T H R E A D S . l E A K A G E M Ay
OCCUR WHICH COUlD CAUSE A lOSS OF
BREATHING AIR OR A SUDDEN RElEASE
OF HIGH PRESSURE AIR RESUlTING IN
SERIOUS INJURy OR DEATH.
WARNING
BREATHING AIR CylINDERS ARE TO BE
I N S P E C T E D A N D R E F I l l E D O N ly B E
TRAINED AND AUTHORIZED PERSONNEl.
IMPROPER FIllING OF BREATHING AIR
CylINDERS MAy CAUSE SERIOUS INJURy
OR DEATH.
WARNING
CHECK TO ENSURE THAT THE CONNECTOR
IS ClEAN AND FREE OF FOREIGN MATTER.
IF yOU GET DIRT OR OTHER FOREIGN
MATERIAl IN THE AIR PATH IT COUlD
CAUSE PROBlEMS WITH THE REDUCER
OR REGUlATOR WHICH MAy RESUlT IN
SERIOUS INJURy OR DEATH
A R E N O T