Graco 248597 248647, Instructions-Parts List Manual

Page: 14 / 56

Setup
14 310648P
8.
To adjust purge rod position, follow piston and
purge rod disassembly instruction on page 39.
9.
Attach Graco approved grounded fluid supply hose
to solvent inlet (Y).
Make sure solvent purge valve (V) is closed before
pressurizing the solvent hose.
To avoid getting mixed coating material in the sol-
vent purge valve and line.
• Pressurize the solvent line before trigger-
ing the gun.
• Have an adequate solvent supply before
spraying.
• Keep air purged out of solvent hose.
• Install an accessory check valve at purge
valve inlet.
• Never trigger gun with solvent valve
open.
10.
Turn on proportioner.
11.
Open B (RESIN) fluid valve. Then open A (ISO)
fluid valve.
TI5004b
V
Y
A
B
TI4970b
12.
Disengage piston safety lock (L), page 10.
13.
Turn RAC tip (X) to spray position.
14.
Test spray onto cardboard. Adjust pressure,
temperature, or orifice size to get desired
results. If applying materials that are greater
than 1:1 ratio, follow the instructions for increas-
ing orifice size, see Drilling of Mix Modules,
page 15.
15.
Apply layer of lubricant over front of gun and
lock ring, or use gun cover to prevent overspray
buildup and ease disassembly.
16.
Gun is ready to spray.
TI3849a
L
TI5096b
X
TI3861a