ITEM
INTERVAL
ITEM
TO BE
PROCEDURES
CHECK FOR AND HAVE
REPAIRED OR ADJUSTED
EQUIPMENT
IS NOT READY
NO.
B D A
D W M Q S
A
INSPECTED
AS NECESSARY
AVAILABLE IF
TM 55-1930-209-14&P-17
Table C-1. Preventive Maintenance Checks and Services ;or Workboat, Lifesaving,
and Firefighting Systems (Continued)
B - Before
D - Daily
Q - Quarterly
D - During
W - Weekly
S - Semiannually
A - After
M - Monthly
A - Annually
2)
Ultralite Mask. Release the cylinder
clamp drawbolt and remove the cylin-
der.
h.
Ultralite Cub:
1)
Replace depleted cylinder with a fully
Cylinder not
charged cylinder. Slide cylinder, valve
charged.
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-
Cylinder not
der with a fully charged cylinder and
charged
connect the hand tight coupling nut at
the cylinder valve.
CAUTION
Cleaning and sanitizing at the recom-
mended 120° F temperature will avoid
unnecessary 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 powdered
Cleaner-Sanitizer to a gallon of warm
water (about 120F).
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.
C-26
