Page 39 of 44
P/N 595189-01 Rev A 4/10
REGULATOR CHECK
noTe
THIS REGULATOR CHECK IS NOT INTENDED TO BE A COMPLETE
FUNCTIONAL CHECK OF THE RESPIRATOR.
before nexT uSe,
Perform A regulAr oPerATionAl inSPecTion AS deScribed
in TheSe inSTrucTionS.
1. Check to make sure the respirator cylinder is at least 1/4 full.
2. Verify that the donning/air saver switch is fully depressed.
3. Close the purge knob.
4. Reattach the regulator to the respirator, (if removed for clean-
ing).
5. Slowly open the cylinder valve at least one (1) full turn.
6. If air flow from the regulator is heard, close the cylinder valve,
repeat steps 1, 2 and 3. If air flow is still heard, close the cylinder
valve fully, tag unit for repair and remove from service.
7. Open the purge valve and observe the air flow from the regulator
spray bar. Droplets of water indicate the regulator is not dry. Dry
the regulator according to Step 7 of PROCEDURE FOR CLEAN-
ING THE MASK MOUNTED REGULATOR section and repeat the
REGULATOR CHECK.
4. Depress the donning/air saver switch, close the purge knob by
turning fully clockwise. Use the SCOTT recommended sanitizing
or disinfecting cleaner in the regulator opening and the immedi-
ate area around the opening. See FIGURE 22. Be sure to cover
internal components completely.
5. Follow the user instructions for the SCOTT recommended cleaner.
A specific contact time may be required for sanitizing or disinfect-
ing before rinsing.
6. Rinse the regulator with drinking water using a spray bottle or
gently running tap water.
7. Shake excess water out of regulator. Completely air dry the regu-
lator before use.
noTe
TO SPEED DRYING OF THE REGULATOR, GENTLY BLOW DRY
WITH CLEAN, DRY BREATHING AIR OF 30 PSIG MAxIMUM.
do
noT uSe ShoP Air or Any oTher Air conTAining lubri-
cAnTS or moiSTure.
8. If regulator was disconnected from air supply for cleaning, recon-
nect and open purge valve to remove any moisture from regulator
spray bar. Close purge valve.
9. Perform REGULATOR CHECK as detailed below.
3. Inspect the inside of the regulator assembly through the regula-
tor opening. See FIGURE 22. If excessive dirt or soil is present,
forward regulator assembly to SCOTT trained authorized personnel
for thorough cleaning.
figure 22
WeT All AreAS
WiThin circle
regulATor
oPening
WArning
folloW The regulAr oPerATionAl in-
SPecTion Procedure exAcTly. if The
reSPirATor doeS noT oPerATe AS de-
Scribed or Any oTher oPerATionAl
mAlfuncTion iS noTed, do noT uSe The
reSPirATor. remove iT from Service
And TAg for rePAir by AuThoriZed
PerSonnel. fAilure To ProPerly in-
SPecT The reSPirATor mAy reSulT in
SeriouS inJury or deATh.
