Scott AIR-PAK 75 Operating & Maintenance Instructions page 32

RIC UAC EMERGENCY USE
AIR-PAK respirators in compliance with nFPA 1981 (2013 edition) are
fitted with a Rapid Intervention Crew/Company universal Air Connection
(RIC uAC) System which permits emergency replenishment of an ap-
proved SCBA breathing air supply cylinder on a user's respirator from
an approved air supply source while in use. This is not a Quick Charge
attachment and must not be used for routine recharging of the cylinder,
for "buddy breathing", for transferring air from another SCBA, or any
unapproved use. The RIC uAC is for emergency use only when the
respirator user is incapacitated within the hazardous atmosphere. The RIC
uAC manifold is equipped with a relief valve which will open if the supply
pressure of the emergency air supply exceeds the maximum pressure
rating of the complete respirator. See FIguRE 15. However, the supply
pressure of the emergency air supply to be connected to the RIC uAC
must not exceed 5500 psig.
RIC UAC
RELIEF VALVE
FIGURE 15
To use the RIC uAC system proceed as follows:
1. A member of the Rapid Intervention Crew/Company must visually
inspect the respirator user's cylinder and cylinder valve for dents or
gouges in the metal or fiber wrapping. If the cylinder and valve assem-
bly shows damage or evidence of exposure to high heat or flame, such
as paint turned brown or black, decals charred or missing, gauge lens
melted or elastomeric bumper distorted, the decision must be made
whether the cylinder is suitable for recharging by this method. If there
is any suspicion that the cylinder is not safe, find another method of
supplying air to the respirator user.
2. Be certain that the cylinder which you are charging is compatible with
the complete respirator it is installed on, (i.e.: there must be a 2216 psig
cylinder installed on a model 2.2 respirator; there must be a 4500 psig
cylinder installed on a model 4.5 respirator, etc.). Verify by inspecting
the cylinder and reducer labels to ensure that they are rated at the same
pressure. nEVER ATTEmPT TO CHARgE A CYLIndER TO mORE
THAn THE RATEd PRESSuRE mARKEd On THE CYLIndER.
3. The RIC uAC filling hose assembly must be regulated to a maximum
supply pressure of 4500 psig.
4. Verify that the cylinder valve on the user's respirator is fully open by
turning the cylinder valve knob fully counterclockwise (approximately
2 1/2 full turns).
5. Remove the dust cap from the RIC uAC coupling on the respirator
and from the matching coupling on the RIC uAC filling hose assembly.
Visually inspect both couplings for dirt or damage. Remove any dirt
or contamination from the couplings.
a) If the RIC uAC filling hose assembly coupling appears damaged,
do not attempt to connect the RIC uAC filling hose assembly to
the respirator. Find an alternate RIC uAC filling hose assembly.
b) If the RIC uAC coupling on the respirator appears damaged,
do not attempt to connect the RIC uAC filling hose assembly
to the respirator. Find an alternate method of supplying air to
the respirator user.
P/N 595252-01 Rev. B 5/14
CONNECTING
THE RIC UAC
FIGURE 16
Page 32 of 48
WARNING
THE RIC UAC SYSTEM IS FOR EMERGENCY
U S E O N LY. I M P R O P E R U S E O F T H I S
SYSTEM MAY LEAD TO A MALFUNCTION
OF THE EQUIPMENT WHICH COULD CAUSE
S E R I O U S I N J U RY O R D E AT H . D O N O T
USE THE SCOTT RIC UAC ASSEMBLY TO
CHARGE AN SCBA AIR CYLINDER WHILE
THE SCBA IS BEING WORN UNLESS THERE
IS A COMPELLING REASON TO ASSUME
T H E R I S K O F I N J U RY I F T H E R E I S A
COMPONENT FAILURE DURING THE FILL
PROCESS. A COMPONENT FAILURE DURING
OR AFTER THE FILL PROCESS MAY RESULT
IN SERIOUS INJURY OR DEATH.
WARNING
DO NOT USE THE SCOTT RIC UAC SYSTEM
TO C H A R G E A N S C B A A I R C Y L I N D E R
WHILE THE SCBA IS BEING WORN IN A
HAZARDOUS OR AN IDLH ATMOSPHERE
UNLESS THERE IS A COMPELLING REASON
TO ASSUME THE RISK OF INJURY IF THERE
ARE ANY IRREGULARITIES IN THE FILL
PROCESS WHICH MAY RESULT IN A NEED
TO REMOVE THE RESPIRATOR. REMOVAL
OF THE RESPIRATOR IN A HAZARDOUS
OR AN IDLH ATMOSPHERE MAY RESULT IN
SERIOUS INJURY OR DEATH.
WARNING
IF THE SCBA OR THE CYLINDER TO BE
CHARGED IS KNOWN OR SUSPECTED
OF HAVING BEEN DROPPED, ExPOSED
TO D I R E C T F L A M E I M P I N G E M E N T O R
D A M A G E D I N A N Y WAY, D O N O T U S E
THE RIC UAC SYSTEM. FIND ANOTHER
METHOD OF SUPPLYING BREATHING AIR
TO THE RESPIRATOR USER. ATTEMPTING
TO FILL A CYLINDER WHICH IS KNOWN
OR SUSPECTED OF DAMAGE IN ANY WAY
MAY RESULT IN CYLINDER FAILURE WHICH
COULD CAUSE SERIOUS INJURY OR DEATH.
WARNING
NEVER CHARGE A CYLINDER TO MORE
THAN THE RATED PRESSURE MARKED
O N T H E C Y L I N D E R . O V E R C H A R G I N G
A C Y L I N D E R M AY C A U S E A FA I L U R E
RESULTING IN RAPID RELEASE OF HIGH
P R ES S U R E A IR WH I CH C OU L D C A U SE
SERIOUS INJURY OR DEATH.