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 TM 3-240-201.-13
Section II. TROUBLESHOOTING
3-3.
General
3-4.
Troubleshooting
This section provides information which will aid the
operator in diagnosing and correcting unsatisfactory
number, malfunction, probable cause, and corrective
operation or failure of the filter unit to operate. If
action to be taken. The operator will find the information
corrective action is not authorized to the operator,
in table 3-2 useful in locating and correcting
defects in the filter unit must be reported to
malfunctions.
organizational maintenance.
Table 3-2. Troubleshooting
Item
No.
Malfunction
Probable cause
Corrective action
a. Toggle switch in OFF position ............
a. Move toggle switch to ON
1
Air purifier does not operate. ..............
position.
b. Power cables not connected ...............
b. Connect power cables.
c. Install solid portion of airflow control
c. Solid portion of airflow control cap
not installed properly.
cap over pulomatic socket.
d. dc power, weak battery .......................
d. Notify organizational maintenance.
2
Air purifier operates on ac but
Battery discharged ...................................
Notify organizational maintenance.
not on dc.
a. Hose disconnected .............................
a. Connect hose.
3
Lack of air at one headpiece
b. Hose broken or hose leaks .................
b. Notify organizational maintenance.
a. Air purifier assembly air intake
a. Uncover air intake holes.
4
Air reaches headpieces but not
in sufficient quantity.
holes (fig. 1-4) blocked.
If fault is not corrected, notify organi-
zational maintenance.
b. Leak in hose .......................................
b. Notify organizational maintenance.
Section III. MAINTENANCE
pulomatic plugs are undamaged, are not loose, and that
3-5.
Headpiece
Y-fitting and socket, plug and socket Y-fitting, inlet
adapters, and ratchet clamps are all in place. Check that
a. Inspection. Examine the headpiece for damage.
hoses are adequately supported by loop clamps (fig. 1-
Check each carrier and headpiece, paying special
7) as they are routed from the air purifier to the six beds.
attention to the hood, eyepiece, inlet adapter mount, and
If any deficiencies are noted in the hose assembly, notify
outlet valve. Make sure that there are no breaks or
organizational maintenance.
cracks in the plastic material.
b. Servicing. Servicing consists of cleaning and
3-7.
Air Purifier
drying the headpiece to insure that the headpiece is
sanitary for wear. Make sure that each carrier is clean
a. Inspection. Inspect the air purifier externally for
and decontaminated before placing a headpiece into it.
damage, missing parts, and loose connections. See that
c. Replace. Unscrew the inlet adapter from the
an airflow control cap is on each pulomatic socket of the
inlet adapter mount on a defective headpiece. Place the
manifold assembly and that the airflow control caps are
headpiece in its carrier and turn it in for replacement.
undamaged. See that the purifier power cable is tightly
Remove the new headpiece from its carrier. Screw the
fastened to the electric receptacle connector.
inlet adapter into the inlet adapter mount handtight.
b. Service. Operator service of the purifier is
Fasten the carrier to the head of the hospital bed.
restricted to cleaning the exterior housing. Use a clean
damp cloth and wipe all surfaces dry afterwards. Insure
3-6.
Hose Assemblies
that no water enters the pulomatic sockets.
Operator maintenance of the hose assembly (fig. 2-1) is
restricted to inspection only. Examine the hoses (fig. 1-
3) to see that they are free of dry rot, free of signs of
unusual wear, not stretched or twisted out of shape, that
3-2
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