Table 17-4. Preventive Maintenance Checks and Services
for Workboat, Lifesaving, and Firefighting System (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
2) Ultralite Mask. Release the cylinder
clamp drawbolt and remove the cylin-
h. Ultralite Cub:
1) Replace depleted cylinder with a fully
charged cylinder. Slide cylinder, valve
end first, through the band. Place
spacer, without D-ring, of metal frame
assembly in line with pressure gauge
on cylinder; tighten screw on band.
Connect with hand tight coupling nut
at the cylinder valve.
2) Ultralite Mask: Replace depleted cylin-
der with a fully charged cylinder and
connect the hand tight coupling nut at
the cylinder valve.
Cleaning and sanitizing at the recom-
mended 120 oF temperature will avoid
unneccessary replacement. Overheating
and resulting distortion of parts of the res-
pirator would necessitate replacement.
i. Remove the facepiece assembly and
clean and sanitize it with MSA Cleaner-
Sanitizer (Pt. No. 34337).
1) Add one package (1 oz) of powered
Cleaner-Sanitizer to a gallon of warm
water (about 120 oF).
2) Immerse facepiece and tube in the
solution and scrub gently until clean.
3) Rinse in clean warm water and allow
to air dry by removing the regulator
cap, spring, and diaphragm. Use a
paper towel or dry cloth to dry the low
pressure side of the regulator. Do not
bend lever assembly arms.