TM 10-5410-221-14/1
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services-Continued
B - Before operation D - During operation A - After operation
B - Before operation D - During operation A - after operation
Time required: 2.0
Time required: 2.0
Interval
Interval
and
Item to be inspected
Work
and
Item to be inspected
Work
sequence
procedure
time
sequence
procedure
time
no
(M/H)
no
(M/H)
B
D
A
B
D
A
6
21
SHELTER FABRIC
Check fabric inside and outside
10
25
PLUMBING SYSTEM
of air lock for wear at seams,
Check all lines and fittings for
0.2
for broken stitches, for holes,
leaks, or other damage, check
for weak spots, or other damage
pump and float switch
to fabric
operation.
7
22
ZIPPERS
11
26
BELLOW ADAPTER
0.1
Check zippers for smooth
0.1
Check fabric inside and outside
operation, complete closure,
of bellows for wear at seams,
missing teeth, unstitched
for fabric stitches, for holes, for
seams or other damage.
8
23
FABRIC FASTENER TAPE
12
15 27
SUMP CONTAINER
Check for damage and
0.1
Inspect drain sump assembly
0.4
unstitched seams
for damaged threads, nicks,
9
24
ELECTRICAL SYSTEM
dents, or burrs. If possible,
Check all electrical connections,
0.1
dress all nicks and burrs with
emery cloth assuring that
breakers and light assemblies
enough wall thickness of sump
for damage, burned contacts or
remains to assure sufficient
insulation. Check light
strength.
assemblies for burned or weak
tubes.
Section III. TROUBLESHOOTING
actions. If a malfunction is not listed (except when
3-5. General
malfunctions and cause are obvious), or is not corrected
a. This section contains troubleshooting or
by listed corrective actions, you should notify
malfunction information and tests for locating and
organizational maintenance.
connecting most of the troubles which may develop in
the expandable shelter. Each malfunction or trouble
3-6. Operator Maintenance Troubleshooting
symptom for an individual component or unit is followed
by a list of tests or inspections, necessary for you to
determine probable causes and suggested corrective
Table 3-2 lists the common malfunctions that you
actions for you to remedy the malfunction.
may find during the operation or maintenance of the
b. This manual cannot list all possible malfunctions
expandable shelter or its components. You should
that may occur or all tests or inspections, and corrective
perform the tests/inspections and corrective actions.
3-2