M8 Series GPFU Airflow Test. (cont)

TM 3-6680-316-10

M8 Series GPFU Airflow Test. (cont)

2-6.

NOTE

Not all air purifiers have adjustable

airflow regulators.

Look in center slots (14) of air purifier

for an airflow regulator. If you see an airflow

If there is no airflow

regulator, go to step o.

regulator go to step r.

Insert narrow, flat-tip screwdriver (15)

through slot (14) and into adjustment mech-

anism.

To fully open airflow regulator, turn

screwdriver counterclockwise until you feel

NOTE

resistance or hear clicks.

If you don't feel resistance or

hear clicks after two full turns,

airflow regulator is bad.

Notify

maintenance personnel after test.

2-30