TM 5-4610-223-12
Table 4-1. Organizational Preventive Maintenance Checks and Services Quarterly Schedule - Cont
Item
Procedures
For Readiness Reporting,
Item
To Be
Check for and have Repaired
Equipment is Not Ready/
No.
Inspected
Replaced, Adjusted as necessary
Available If:
16.
Flow
Inspect valve for leaks, damage
Controller
and proper operation.
Valve
17.
Diatomite
Inspect filters for insecure
Filters
mounting, leaks and damage.
Inspect filter elements through
filter window for evidence of
dirt, foreign matter, or damage.
Clean dirty elements. Inspect
air release valve for damage
and proper operation.
18.
Filter Pumps
Inspect for leaks, damage and
proper rotation. (Counter-
clockwise).
19.
Heater Fuel
Inspect pump for leaks or damage.
Pump
Remove bottom cover and
inspect for dirt and water.
Clean a dirty screen.
20.
Controls and
Inspect the controls and instru-
Instruments
ments for damage. With the
unit operating, inspect for
proper operation. Normal
operating readings for instru-
ments should be as follows:
Influent Pressure Gage
0 to 65 psig
Effluent Pressure Gage
0 to 65 psig
Aspirator Manifold Discharge
Pressure gage - 10 to 15 psig
Raw Water Influent Flow
Indicator - 50 gpm
4-15
