Page 37 of 48 P/N 595279-01 Rev. B 5/14
CAUTION
OVERTIGHTENING THE CYLINDER VALVE
MAY CAUSE DAMAGE THAT COULD RESULT
IN LEAKAGE OF AIR FROM THE CYLINDER.
USE NO TOOLS TO CLOSE THE CYLINDER
VALVE.
CAUTION
DO NOT LEAVE THE CYLINDER VALVE
OPEN WHEN THE RESPIRATOR IS NOT
IN USE. ALWAYS CLOSE THE CYLINDER
VALVE ON "EMPTY" CYLINDERS. AN OPEN
VALVE MAY ALLOW MOISTURE OR OTHER
CONTAMINANTS TO ENTER THE CYLINDER.
PREPARATION FOR CYLINDER REPLACEMENT
Before replacing a depleted or partially depleted cylinder, proceed as
follows:
1. Leave the area requiring respiratory protection and be certain that
respiratory protection is no longer required. Doff the facepiece. (See
TERMINATIONS OF USE section of this instruction.)
2. Push in and rotate the cylinder valve knob clockwise and completely
close the cylinder valve. Release residual air pressure in the respirator
system by opening the purge valve slightly. When the flow of air from
the facepiece stops, close the purge valve fully.
3. Release the waist belt, loosen the backframe harness, and remove
the respirator. Lay the respirator on a solid support with the cylinder
facing up.
CYLINDER REPLACEMENT
CONTINUED ON NEXT PAGE...
CAUTION
DO NOT LEAVE THE CYLINDER VALVE OPEN
WHEN THE RESPIRATOR IS NOT IN USE.
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