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7. Check the LOW pressure air supply hose from the reducer to the dual mani-
fold assembly for cracks, cuts, abrasions, or other signs of damage.
8.
Check all LOW pressure quick disconnect couplings for damage and cleanli-
ness. See LOW PRESSURE AIR LINE CONNECTION section of this instruction
for additional details of operation of specific quick disconnects.
9.
Inspect both the male and female quick disconnects on the dual manifold.
Pay special attention to the following:
a)
Inspect the condition of the male quick disconnect for signs of wear.
Particularly look for wear on the locking ridge as shown in FIGURE 12.
If the coating is worn through and bare metal is showing, do not use the
apparatus. Remove it from service and tag for repair.
FIGURE 12
b)
Inspect the operation of the external check valve sleeve on the male quick
disconnect. If any damage is noted, do not use the apparatus. Remove it
from service and tag for repair.
c)
Insect the operation of the female quick disconnect. While pushing the plug
"D" into the socket, pull the locking sleeve "E" back toward the guard. The
plug "D" will separate. To reconnect, push plug "D" into socket until the
locking sleeve "E" pops forward. Test for proper engagement by tugging
on the coupling. See FIGURE 13.
FIGURE 13
Operation of Pull-back
Sleeve Quick Disconnect
10. Perform the OPERATIONAL TESTING as described in this instruction.
AFTER INSPECTION AND TESTING, REFER TO THE PREPARATION FOR USE SEC-
TION OF THIS INSTRUCTION AND CAREFULLY FOLLOW THE INSTRUCTIONS FOR
STORAGE OF EACH OF THE AIR SUPPLY LINES TO ASSURE THAT THEY CAN BE
PROPERLY DEPLOYED WHEN THEY ARE NEEDED.
LOOK FOR WEAR ON
LOCKING RIDGE
E
PULL SLEEVE
BACK
NOTE
Page 13 of 36
THE AIRLINE CONNECTIONS MUST BE
CLEAN. DIRT OR FOREIGN MATERIAL
IN THE AIR PASSAGE OF THE AIRLINE
C O N N E C T I O N P L U G M AY C A U S E
PARTIAL OR COMPLETE FAILURE OF THE
RESPIRATOR IN HOSE LINE OPERATION
OR IN SELF-CONTAINED OPERATION
RESULTING IN SERIOUS INJURY OR
DEATH.
D
ANY COMPONENTS WHICH EXHIBIT SIGNS
OF DAMAGE SHALL BE REMOVED FROM
SERVICE FOR EVALUATION BY QUALIFIED
P E R S O N N E L . U S E O F D A M A G E D
COMPONENTS MAY RESULT A FAILURE OF
THE EQUIPMENT WHICH COULD CAUSE
PUSH
SERIOUS INJURY OR DEATH.
PLUG IN
REGULAR OPERATIONAL INSPECTION
CONTINUED ON NEXT PAGE...
WARNING
WARNING
P/N 595225-01 Rev C 4/12
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