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TM 5-5430-210-12
a. Before You Operate. Always keep in mind
d. If Your Equipment Fails To Operate. Trou-
the CAUTIONS and WARNINGS. Perform your
bleshoot with proper equipment. Report any defi-
(Before (B) PMCS).
ciencies using the proper forms, see paragraph 1-2.
b. While You Operate. Always keep in mind the
CAUTIONS and WARNINGS. Perform your (Dur-
3-2. Operator/Crew Preventive Maintenance
ing (D) PMCS).
Checks and Services. Refer to table 3-1 for a list-
C. After You Operate. Be sure to perform your
ing of preventive maintenance checks and services —
(After (A) PMCS).
which must be performed by the operator.
Section III.
TROUBLESHOOTING (ALL TANKS)
3-3. General.
a. This section contains troubleshooting infor-
mation for locating and correcting most of the oper-
ating troubles which may develop in the Collapsible
Tank System. Each malfunction for an individual
component, unit, or system is followed by a list of
tests or inspections which will help you determine
probable causes and corrective actions to take. You
should perform the tests/inspections and corrective
actions in the order listed.
b. This manual cannot list all malfunctions that
may occur, nor all tests or inspections and cor-
rective actions. If a malfunction is not listed or is
not corrected by listed corrective actions, notify
your Supervisor.
3-4. Operator/Organizational Troubleshooting.
For troubleshooting refer to table 3-2.
NOTE
Before you use this table, be sure you
have performed all applicable oper-
at ing checks.
Table 3-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. COLLAPSIBLE TANK LEAKS
Inspect the tank for punctures or cuts.
Refer to paragraph 3-11 and repair the puncture or tear with the sealing clamps or wood plugs which are
supplied as Emergency Repair Items.
2. COLLAPSIBLE TANK VENT PIPE ASSEMBLY LEAKS
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Check the relief cap gasket for distortion or wear (7, fig. B-l).
Remove the relief cap and replace the gasket (para. 3-6).
Check the preformed packing (5, fig, B-1) between the quick disconnect coupling (4) and the tank fitting for breaks
nicks or distortion.
Remove the flanged quick disconnect coupling (4) and replace the packing (para. 3-6).
Check the vent pipe (9, fig. B-1) for cracks or damage
Remove the vent pipe and replace it with a new one (para. 3-6).
Cracked or broken flanged quick disconnect coupling. 4, fig. B-1.)
Refer to paragraph 3-6 and remove the flanged quick disconnect fitting from the tank. Remove the other
components from the fitting and replace the flanged quick disconnect fitting.
Loose or missing hexagon head cap screws (2, fig. B-1),
Replace all missing cap screws and tighten all screws to 30 inch-pounds.
3. PRESSURE RELIEF VALVE REMAINS OPEN
Check the relief cap (6, fig. B-1) for a broken or bent pivot pin.
Refer to paragraph 3-6 and remove relief valve and replace it with a new one.
After installation, check that the relief cap operates freely.
3-4
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