FUNCTIONAL TEST (CONT) - TM-3-4240-309-20-P0031

3-4240-309-20&P

LOCATION

INDICATION/REMARKS

ACTION

ITEM

NOTE

Two technicians are needed for this checkout procedure: one on the outside of the PE and the other on

top of the shelter at the airflow valve and silencer.

NOTE

This part of the functional test applies to vans 1 and 4 only. First perform the functional test on van 1

and then repeat the steps on van 4.

Ensure that all van doors

are closed. Ensure that

Airflow valve

Airflow Valve and

PE doors on vans 1 and 4

Silencer

are closed.

Loosen hose clamp (24)

and remove protective

cap (25) from outlet port.

The sliding plate (26) will

Observe the sliding plate.

move in a direction to

allow more airflow into

the PE.

Replace protective cap

(25) on outlet port.

Tighten hose clamp (24).

Disconnect cable

AirfIow valve

Fan and Airflow Valve

P15 (30).

Housing Unit

Hold airduct hose (28)

going to the PE and

loosen hose clamp (27).

Remove airduct hose.

Wait about 15 seconds

Sliding plate (29) will

move to reduce airflow

and reconnect cable P15

into the PE.

(30).

Replace airduct hose

(28). Tighten hose

clamp (27).

After van 4 is completed,

Repeat this test on the

proceed to next page.

airflow valves on van 4.

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