Operation
20 3A4802D
With Non-Pressurized Water Supply:
1. Open the abrasive ball valve (M).
2. Open the pot dump valve (J) to relieve pot pressure
and pressure in the pinch hose.
NOTE: For additional information on the Pinch
Hose, see page 28.
3. Close the abrasive ball valve (M).
4. Disconnect the abrasive ball valve cam-lock by
removing the coupler pins and pulling the rings out
and up to pull the two cams away from the groove.
NOTE: Be prepared to capture the water that will be
drained from the pot. All disposals must comply with
national, state, and local regulations.
5. Turn the selector valve to BLAST and when water is
above the pop-up seal, pull up on the pop-up handle
to pressurize the pot.
NOTE: The abrasive metering valve must be open
for water to flow to the pot.
6. Place a bucket under the abrasive hose. Slowly
open and close the abrasive ball valve to flush abra-
sive material from the pot. Repeat several times.
Once no abrasive material flows from the hose,
close the abrasive ball valve. Turn the selector valve
to OFF.
7. Open the abrasive ball valve and drain the pot of
water
8. Connect the abrasive hose.
NOTE: The system must be winterized if it will be
exposed to temperatures below freezing (see Win-
terizing the Equipment, page 21).
WLD
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