TM 10-4610-246-13
Table 2-2. Operator Preventive Maintenance Checks and Services for Hypochlorination Unit - (Cont)
Location
Not Fully Mis-
Item
Interval
Item to
Procedure
sion Capable
No
Check/Service
If
13
During
Reservoir
Check level of solution in reservoir
Less than 3
inches of solu-
tion.
14
During
Treated Water
Sample for chlorine content (refer to para
2.5).
Hypochlorite solution is corrosive and sedi-
mentary. Do not leave solution sediment in
reservoir or lines.
15
After
Reservoir and
Flush with clean water for 10 minutes (refer
solution tubing
to para 2.9).
16
After
All components
Drain unit completely (refer to para 2.9).
that are in contact
with liquid
17
Monthly
NOTE
Hypochlorination unit must be oper-
ational to perform this service.
Close inlet ball valve (1).
Remove plug (18) from strainer (17).
Use extreme caution when opening
valve, system may be under high
pressure.
Slowly open inlet ball valve (1) to flush sedi-
ment from screen.
Close inlet ball valve (1).
Install plug (18) in strainer.
Return unit to service.
2-8
