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
1
X
Carbon dioxide
Inspect the discharge lever for 4 -8
(CO2 ) cylinder
freedom of operation; insure that
piercing pin can puncture the 4-2
cylinder seal ing cap. Inspect the
valve to insure that the lever 4 -8
swivels
freely
Weigh
each
cylinder(cylinder
should
not
weight less than the gross weight
marked on it).
Lubricate with
powered graphite.
4-11
