Setup
23
Piston Size
Define Piston Size
1. Remove then re-supply power to the shot controller.
2. Within 20 seconds of the Idle Run Screen appear-
ing, press and hold both the top soft key and the
down arrow key for six seconds.
3. When prompted, enter password “88888.” See
Password Protection section on page 21.
4. Edit the “A” side piston diameter using the up and
down arrow keys and the information provided in the
preceding table.
5. Press the top soft key to edit the “B” side piston
diameter.
6. Edit the “B” side piston diameter using the up and
down keys and the information provided in the pre-
ceding table.
7. Press the top soft key to confirm the piston entries.
The shot controller will then return to the idle run
screen.
If the system is off-ratio with a B side piston size dif-
ferent from the A side piston, the impingers in the
gun may need to be adjusted to achieve equal
pressures in the A and B side chemical lines. For
impinger adjustment procedure for the AR Pour
Gun, see manual 312888 available at
www.graco.com.
Size Pump Diameter (mm)
30 247371 22.225
40 247372 25.629
48 247373 28.092
60 247374 31.496
80 247375 36.297
88 247577 38.024
96 247376 39.802
120 247377 44.552
140 247576 47.955
If piston diameter editing is aborted prior to con-
firming the entry of both piston diameters, no
changes will be saved.
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