TM 10-4610-229-10
Table 2-1. Preventive Maintenance Checks and Services (Cont)
B - Before
D - During
A - After
M - Monthly
Interval
Item
Item to be Inspected.
Equipment Is Not
No.
B
D
A
M
Procedure
Ready/Available If:
Reverse Osmosis Block Assembly
(Cont)
48
Valve V-7. Check valve for ease
Valve doesn't turn.
of operation by turning.
If
valve doesn't turn, notify your
supervisor.
2-66