Adjust Blast Pressure; Adjust Abrasive Media - Graco EcoQuip 2 EQs Series Instructions Manual

Operation

Adjust Blast Pressure

To avoid injury due to a spray from wet media from
the pot, always Pressurize the Pot before opening
the abrasive ball valves (M) and engaging the blast
control switch (B).
1. Perform the Fill Pot with Abrasive Media
procedure, page 17.
2. Perform the Pressurize the Pot procedure, page
18.
3. Trigger the blast control switch (B).
4. Adjust the blast air regulator (R) until the desired
pressure appears on the blast pressure gauge (V).
NOTE: Do not increase directly to blast pressure.
Always set below the desired pressure, then
increase to the actual setpoint.
5. Disengage the blast control switch (B).
20
B
ti36968a
R
ti36969a

Adjust Abrasive Media

1. Perform the Adjust Blast Pressure procedure,
page 20.
2. Open the abrasive media ball valve (M). Trigger the
blast control switch (B).
3. Turn on the MediaTrak display (PK).
4. Slowly adjust the abrasive metering valve (T) to the
desired flow of abrasive media.
NOTE: You may have to wait 1-2 minutes for the
abrasive material to reach the nozzle.
NOTE: Use a piece of test material similar to what you
will be blasting. Always start as gently as possible and
then increase the blast force as necessary to clean
without doing any damage to the substrate.
M
B
0 0 0 0 0 8 8
PK
T
3A7467D