TM 10-5430-243-12&P
0019 00
Change 1
0019 00-6
Table 1. Unit Preventive Maintenance Checks and Services For 20,000
and 50,000 Gallon Collapsible Water Storage Tanks (continued).
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED
OR SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
14
After
Filler/Discharge Gate
Valve (2) or
Ball Valve (3)
Check for bent or binding
stem, broken hand-wheel
or handle.
Stem, hand-
wheel or handle
are damaged or
missing.
15
After
Drain Ball Valve (4)
Check for bent or binding
stem, or broken handle.
Stem or handle
are damaged or
missing.
16
After
Vent Fitting
Assembly (5)
Check for evidence of
leakage, damage, or
missing parts. Check the
vent cap for cleanliness
and freedom of
operation. Check if the
vent cap gasket, flat
rubber gasket, or cam-
lever arms are damaged
or missing.
Any evidence of
leakage. Vent
cap is damaged
or missing.
Vent cap
gasket, flat
rubber gasket,
or cam-lever
arms are
damaged or
missing.
17
After
Filler/Discharge
Assembly (6) (GTA
Container Model) or
Filler/Discharge
Assembly (7) (Reliance
and MPC Models)
Check for evidence of
damage or leakage.
Check if cam-lever arms
are damaged or missing.
Check if the elbow body
is cracked or sealing
surface is badly dented.
Check for loose,
damaged or missing
screws and gaskets.
Any evidence of
leakage. Cam-
lever arms
damaged or
missing. Elbow
body cracked or
worn.
18
Quarterly
Tank (1)
Inspect for cuts,
punctures and leaks.
Loose or missing bolts
where fittings connect to
tank.
Tank is cut,
punctured or
leaks. Loose or
missing fitting
bolts.
19
Quarterly
Filler/Discharge
Gate Valve (2) or
Ball Valve (3)
Check for proper
operation and leakage.
Check for bent, broken,
or binding parts. Check
for leakage.
Valve will not
open/close.
Component
parts are
missing or
damaged.
Valve leaks or is
damaged.
