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The air compressor ball valve is not part of the AirPrep System and is not provided with
the unit. It is the responsibility of the user to verify that an air compressor outlet ball
valve is installed so the air pressure can be isolated from the AirPrep System.
6.2.2.
Close the AirPrep System air outlet ball valve(s) (#45, provided by user).
The air outlet ball valve(s) are not provided with the AirPrep System. It is the
responsibility of the user to install outlet ball valve(s) so air pressure can be isolated
from the AirPrep System. See Section 5.13.
6.2.3. Slowly open the drain/blowdown ball valve (#19). As the blowdown ball valve (#19) is
opened air pressure inside will exhaust out and depressurize the separator tank (#20).
Airborne particles and loud noise hazards from blowdown exhaust air can cause serious
injury and loss of hearing. Wear approved eye and ear protection. Stay clear of
blowdown air path. DO NOT place hands or other body parts in the blowdown air path.
Make sure no personnel are in the blowdown air path.
The AirPrep System separator tank (#20) is completely depressurized when the
drain/blowdown ball valve (#19) is open with no airflow from it.
6.2.4.
Close the AirPrep System inlet ball valve (#46, provided by user).
The air inlet ball valve is not provided with the AirPrep System. It is the responsibility of
the user to install the inlet ball valve so air pressure can be isolated from the AirPrep
System. See Section 5.1.
6.2.5. Depressurize equipment connected to the AirPrep System outlet(s) following the
manufacturer’s procedures.
Figure 6.2 – Typical AirPrep System