TM 10-5430-243-12&P
0019 00
Change 1
0019 00-4
Table 1. Unit Preventive Maintenance Checks and Services For 20,000
and 50,000 Gallon Collapsible Water Storage Tanks.
NOTE
Within designated intervals, these checks are to be performed in the order listed.
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED
OR SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
1
Before
Tank (1)
Inspect for tears or
punctures.
Torn or
punctured.
2
Before
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.
3
Before
Drain Ball Valve (4)
Check for bent or binding
stem or broken handle.
Stem or handle
are damaged or
missing.
4
Before
Vent Fitting
Assembly (5)
Check for evidence of
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.
Vent cap is
damaged or
missing. Vent
cap gasket, flat
rubber gasket or
cam-lever arms
are damaged or
missing.
5
Before
Filler/Discharge
Assembly (6) (GTA
Container Model) or
Filler/Discharge
Assembly (7) (Reliance
and MPC Models)
Check for evidence of
damage. 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.
Cam-lever arms
are damaged or
missing. Elbow
body is cracked.
Elbow sealing
surface is badly
dented. Hard-
ware damaged
or missing.
6
Before
Drain Fitting Assembly
(8)
Check drain plug, drain
hose, and drain ball
valve, for damaged or
missing parts.
Drain plug,
hose, or ball
valve missing,
not connected,
or damaged.
7
During
Tank (1)
Inspect for tears, leaks,
or punctures (exclude
weeping/wicking where
the tank seams are not
involved and droplets do
not form or run down the
side of the tank).
Tank has tears
or punctures
that cannot be
repaired.
