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TM 5-5430-219-13
Table 3-1. Unit Preventive Maintenance Checks and Services (Cont)
B - Before
D - During
A - After
S - Semiannually
Item
Interval
Item To Be I
Procedures
No.
Inspected
B
D
A
s
2.2
l
l
l
BALL VALVE
Check for bent or binding stem (1),
Models # BA91-141A and BA91-
broken handle (2), and leakage.
140A
I
3-4 Change 4
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