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Page Title:
Table 4-1. Unit Preventive Maintenance Checks and Services |
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 TM 5-5430-226-12
Table 4-1. Unit Preventive Maintenance Checks and Services
Q - Quarterly
S - Semi-annually
A- Annually
Interval
Item
Item to be
No.
Q
S
A
Inspected
Procedures
1
Tank, Fabric
Inspect for missing components.
Collapsible,
20,000 Gallon
or 50,000 Gallon
(End item)
2
Water Tank
a. Inspect for tears, punctures, and loose seams.
b. Inspect for loose or missing bolts on filler/discharge closure
plates.
c. Check for missing dust covers.
3
Vent Fitting
a Inspect vent cap for cracks and bent pivot pin.
Assembly
b. Check vent cap movement. Cap should move freely without
sticking or binding.
4
Fill/Discharge
a.
Inspect elbows for cracks.
Assemblies
b.
Inspect for missing coupling gaskets.
c.
Inspect for broken coupling lock arms.
d.
Inspect for missing dust cap and plug.
5
Drain Assembly
a. Inspect for cracks.
b. Inspect for missing drain plug.
6
Hose Assembly
a. Inspect for cuts, punctures and missing band clamps.
(Drain)
b. Inspect for damaged threads on pipe nipples.
7
Drain Valve
a. Inspect for loose or missing valve handle.
b. Check for bent valve stem.
c. On tanks manufactured by Amfuel Company, inspect couplings
for cracks.
d. On tanks manufactured by Amfuel Company, inspect for
missing coupling gaskets.
e. On tanks manufactured by Amfuel Company, inspect for
damaged coupling arms.
f. On tanks manufactured by Amfuel Company, inspect for
missing dust cap and plug.
8
4-inch Gate
a. Inspect for loose, damaged or missing valve handle.
Valve
b. Check for bent valve stem.
c. Inspect for missing coupling gaskets.
d. Inspect for broken coupling lock arms.
e. Inspect for missing dust cap and plug.
f. Inspect for loose or missing bolts and nuts.
9
Ground Cloth
Inspect for large tears.
10
Repair Kit
Inspect for missing components.
4-4
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