Flushing
12
309858K
Flushing
.
The system was factory-tested using a light soluble oil.
Flush the system before initial use to prevent material
contamination.
To flush the system:
1.
Select a solvent that is compatible with the equip-
ment wetted parts and the material being flushed.
Check with your Graco distributor or the material
supplier for a recommended solvent.
2.
Before flushing, be sure the entire system and flush-
ing drums are properly grounded. Refer to Ground-
ing, page 8.
3.
Perform steps 1 through 7 of the Loading Material
procedure, page 13, to load the solvent.
4.
Run solvent through the system for about 1-2 min-
utes.
5.
Remove the solvent drum.
6.
Load material, page 13, or follow the Shutdown-
procedure, page 16.
Start Up
1.
Check the tightness of material hoses and fittings to
prevent leakage.
2.
Check system air and electrical lines. Make sure
that they will not interfere with moving components
within the fixture.
3.
To raise the arm:
a.
Close all air regulators.
b.
Set the ram control lever to UP.
c.
Slowly open the air regulators until the ram
starts to move up.
d.
When the follower plate is above the height of
the material pail, set the ram control lever to
OFF.
4.
Turn the main electrical disconnect (A) ON. F
5.
Turn the CONTROL switch (65) to ON.
6.
Open the dispense valve over a waste container
during system heatup to relieve pressure as mate-
rial expands.
7.
Check the temperature controller set points and
change them if necessary. See Changing the Set
Point in manual 309100.
8.
Wait until all system zones are heated to the preset
temperatures.
9.
The system is ready for Loading Material.
WARNING
Read warnings, page 4.
WARNING
Read warnings, page 4.
F
IG
. 3
SERIES C
HIGH TEMPERATURE
LT120
R
ALARM
ON
R
AUTO HEAT OFF
POWER ON
LT110
GROUND CONNECTED
W
OFF
HEAT
TC158
GUN
TC151
HOSE
FOLLOWER
TC129
LT114
AUTO
G
OFF
ON
CONTROL ON
CONTROL
7.3
60HZ
1
480
o
FULL LOAD AMPS:
FREQ:
PHASE:
ELECTRICAL PANEL PART No.: 617300
LINE VOLTAGE:
480 VOLTS
AT
SET
SV
OUT2
CB100
R/S
OUT1
ALM1
PV
ALM2
AT
SET
SV
OUT2
CB100
R/S
OUT1
ALM1
PV
ALM2
AT
SET
SV
OUT2
CB100
R/S
OUT1
ALM1
PV
ALM2
C14044
SS166
LT164
SS116
TThheerrmm--OO--FFllooww
G
GR
RA
AC
CO
O
R
R
DANGER
A
65
Summary of Contents for Therm-O-Flow 20
Page 43: ...Parts 309858K 43...
Page 48: ...Electrical Schematic 48 309858K Electrical Schematic Part No 617300...
Page 50: ...Electrical Schematic 50 309858K Part No 617484...
Page 52: ...Electrical Schematic 52 309858K Part No 617485...
Page 54: ...Electrical Schematic 54 309858K Part No 617349...
Page 61: ...Dimensions 309858K 61 15 1 Pump President Air Motor Ram 52 1 in 1323 mm 75 in 1905 mm...
Page 62: ...Dimensions 62 309858K...
