TM 3-4240-309-20&P
1. MASK SWITCH/lNDICATOR LIGHT FLASHING AND/OR WARNING HORN SOUNDING (CONT).
Replace main fan (2-111).
Reconnect PE airduct
hose to port marked TO
PROT ENT on filter unit
airflow valve. Open all
interconnecting doors
between vans 1, 2, 3,
and 4. Reconnect plug
P5 to J5 at PDUs on vans
1 and 4. Repeat
Reconnect PE airduct
hose to port marked TO
LEGEND
PROT ENT on filter unit
Compartment Control Module
CCM
airflow valve. Open all
Feed Thru
Elec/Pneu Feed Thru
interconnecting doors
between vans 1, 2, 3,
Power Distribution Unit
PDU
and 4. Reconnect plug
Test Point
TP
P5 to J5 at PDUs on vans
1 and 4. Repeat
Reconnect cable B.
Replace cable B.
Replace cable A.
Reconnect PE airduct
Reconnect PE airduct
Reconnect PE airduct
hose to port marked TO
hose to port marked TO
hose to port marked TO
PROT ENT on filter unit
PROT ENT on filter unit
PROT ENT on filter unit
airflow valve. Open all
airflow valve. Open all
airflow valve. Open all
interconnecting doors
interconnecting doors
interconnecting doors
between vans 1, 2, 3,
between vans 1, 2, 3,
between vans 1, 2, 3,
and 4. Reconnect plug
and 4. Reconnect plug
and 4. Reconnect plug
P5 to J5 at PDUs on vans
P5 to J5 at PDUs on vans
P5 to J5 at PDUs on vans
1 and 4. Repeat
1 and 4. Repeat
1 and 4. Repeat
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