TM 5-4220-201-12
Table 4-2. Preventive Maintenance Checks and Services
B-Before operation
A-After operation
M-Monthly
Interval
D-During operation
W-Weekly
Q-Quarterly
Operator
Org.
Item
Daily
No.
B
D
A
W
M
90/
Item to be Inspected
Procedure
Reference
120
Days
2
X
Container
Inspect the container for snagged or 4-2
chafed areas, broken stitches,
3
X
and oil and grease. Inspect 4 -8
hardware for rust or broken parts.
4
X
Mouth inflation
Inspect the valve for sticking. 4-2
valve
Lubricate with powdered graphite.
Inspect inflated cells for leaks;
Flotation cells
cells must maintain air pressure
(2 psi) for at least 12 hours.
4-12
