Graco XM PFP, Setup & Operation

Page: 31 / 100

Initial Startup
3A2776K 31
Load Machine (First Time)
6. Close both feed system air controls ball valves then
open the brass valve on the tank lid air assembly.
Air pressure gauge should read 0 psi. Close the
brass valve.
7. Disconnect the material circulation return line from
the side of each tank then cap the tank port. This
enables pushing the mineral oil out of the fluid lines.
Route the return lines into waste containers. See
F
IG
. 30.
NOTE:
If the tank return lines are not disconnected on
the initial priming of the system, all of the oil in the
material lines will be pushed back into the tank and
mixed with the material, which will contaminate all of the
fluid in the tank.
8. Fill the tanks with material:
NOTE:
If adding flush solvent, remove the platen from
the feed pump by loosening the two setscrews and the
air tube. Drop the feed pump directly into the pail.
a. Navigate to the Supply screen then press
to activate automatic tank filling. See page 83.
b. Remove the priming stick from the platen.
c. Slide main air slider valve (DA) and air motor
slider valve (DF) to the OFF position. See F
IG
.
32.
d. Back out the air regulator (DB) then lift the RAM
director valve (DC).
e. Slide main air slider valve (DA) ON.
f. Slowly adjust the air regulator (DB) to increase
air pressure until the RAM begins to lift. Use air
regulator to adjust RAM speed.
g. Adjust director valve to the neutral position
when the platen is high enough to position the
pail beneath the platen.
F
IG
. 29
F
IG
. 30
FEED PUMP
BYPASS
ti20127a
CS
CT
CR
CP
ti20267a
Return line
port
F
IG
. 31
F
IG
. 32: Feed Pump Controls
ti20108a
DF
DB
DA
DC
DD
DE
ti20104a