TM 10-5430-243-12&P
0019 00
0019 00-5
Change 1
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:
8
During
Filler/Discharge
Gate Valve (2) or
Ball Valve (3)
Check for bent or binding
stem, broken hand-wheel
or handle, and leakage.
Stem, hand-
wheel or handle,
gasket, or cam-
lever arms leak
or are damaged
or missing.
9
During
Drain Ball Valve (4)
Check for bent or binding
stem, broken handle,
and leakage.
Stem or handle
leak or are
damaged or
missing.
10
During
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.
Vent cap is
damaged or
missing. Vent
cap gasket, flat
rubber gasket,
or cam-lever
arms are
damaged or
missing.
11
During
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.
Cam-lever arms
are damaged or
missing. Elbow
body is cracked.
Elbow sealing
surface is badly
dented.
12
During
Drain Fitting Assembly
(8)
Check immediate area
for evidence of leakage.
Check the drain plug,
drain hose, or drain
valve, for damaged or
missing parts.
Drain plug,
hose, or valve is
missing,
improperly
connected, or
damaged.
13
After
Tank (1)
Inspect for tears,
punctures, or leaks.
Tank has tears
or punctures
that cannot be
repaired.
