Flushing; Start Up - Graco Therm-O-Flow 20 Instructions - Parts Manual

Flushing

Flushing
.
WARNING
Read warnings, page 4.
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.
12
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.
WARNING
Read warnings, page 4.
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.
TC129 TC151 TC158
FOLLOWER HOSE
PV PV PV
SV SV SV
AT OUT1 OUT2 ALM1 ALM2 AT OUT1 OUT2 ALM1 ALM2 AT OUT1
SET R/S SET R/S SET R/S
CB100 CB100 CB100
POWER ON CONTROL ON HIGH TEMPERATURE
GROUND CONNECTED ALARM
G
W
LT110 LT114
CONTROL HEAT
OFF
AUTO ON OFF
65
SS116
T T h h e e r r m m - - O O - - F F l l o o w w
R
G G R R A A C C O O
F . 3
IG
GUN
o
LINE VOLTAGE: 480 PHASE: 1 FREQ: 60HZ
FULL LOAD AMPS: 7.3
ELECTRICAL PANEL PART No.: 617300
OUT2 ALM1 ALM2
SERIES C
AUTO HEAT OFF
R R
LT120 LT164
ON
DANGER
SS166
480 VOLTS
R
C14044
309858K
. 3.
IG
A