TM 5-6630-215-12
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Table 3-1. Operator Preventive Maintenance Checks and Services - Continued
NOTE: Within designated interval, these checks are to be performed in the order listed.
B - Before
D - During
Scale, Nitrogen
Ammonia
Scale, Nitrogen
Nitrate
Scale, Sulfate
Scale, Turpidity
Scale % Trans-
mittance -
Absorbance
WATER TEST-
ING KIT–
BACTERIOLO-
GICAL (pack-
aged separately
from WQAS -
Preventive
Medicine) (fig.
2-26)
Inserts
Instructions
Case, Carrying,
Reinforced
Fiberglass
Container, Parts,
Spare
Cord, Power,
Electrical
Cover, Incubator
Well
Cup, Sample,
Graduated
Disc, Bacterial
Filtering
Filter, Holder
Assembly
Gasket, Sealing
Light, Indicator
Liner. Reinforce
Fiberglass with
Wiring and Tape
Medium Culture,
Ampouled
A - After
W - Weekly
Visual Inspection
Visual Inspection of
1 - Cases, fittings & inserts
for function. Patch or re-
place.
2 - Lab-ware. Broken units
are to be replaced.
3 - Shelf life. If expired,
retain for identification
only. Replace.
4 - Containers for leakage
and function. Clean up,
tighten caps. Replace.
M - Monthly
1 - Meter is not intact.
2 - Batteries not sealed,
batteries deteriorated.
3 - Scales: there is not at
least 1 good scale of each
type (scales must not be
marred or damaged).
4 - Meter not operative.
1- Less than the quantity
of any type of reagent list-
ed in Appendix C, required
to perform function; or,
not of effective shelf life.
2 - Leakage of any container
is evident (until cleaned up
and replaced).
3 - Lab-ware is broken or
missing
4 - Environmental exposure
has been such that contain-
ers or contents are unre-
liable.
3-6
Change 3
