TM 9-4940-495-14&P
II. OPERATING INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE PROCEEDING
(See drawing page 6)
Preparation:
1.
Close air valve (12), choke air valve (10) and air exhaust valve (13).
2.
Close abrasive metering valve (9).
3.
Connect sandblast hose to abrasive metering valve (9) by using CQ quick couplings, a, (8).
4.
Fill sandblast machine with abrasive through the concave head to a level that will allow the pop-up valve
(2) to operate freely.
Operation:
1.
Open air valve (12). This immediately seats pop-up valve (2) and pressurizes the sandblast machine.
2.
Place the nozzle in a blasting position and open choke air valve (10); then-open abrasive metering valve
(9) to the desired setting. Unit is now in operation.
NOTE: Choke valve (10) must be fully open while blasting.
To Shut Down and Re-Charge:
1.
Close valve (12) and open valve (13).
2.
Re-charge as in Step 4 under Preparation above.
To Resume:
Close air exhaust valve (13) and open valve (12) and blasting is resumed.
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