Graco Therm-O-Flow Series Instructions-Parts List Manual page 16

Service
4. Reassemble cap and base (F
a. Lubricate o-ring (100) and ring (110).
b. Insert o-ring (100) into needle piston (140)
groove.
c. Slide ring (110) on top of o-ring (100).
d. Lubricate, then replace o-rings (90) and (250).
Insert spring on base seal models (F
e. Insert needle assembly into cylinder cap (260).
f. Place spring (370) over shaft of needle/piston.
Seat spring in groove on piston face on snuff-
back models (F
IG
g. Slide base (240), over the needle, into the cylin-
der cap (260). Seat spring (370) in groove on
base.
F . 11
IG
16
. 11):
IG
. 12).
IG
. 11).
Snuff-Back Valve Shown
Service
F . 12
IG
5. Reconnect the cable receptacle to the automatic
dispense valve. See F
a. Re-insert heater cartridge and sensor into their
appropriate holes.
b. Ensure the ground wire (380) is connected to
the bracket (330).
c. Connect the receptacle to the dispense valve
body. Then secure it with the two socket head
screws (200) and washers (210).
d. Reattach the receptacle cover. Then secure it
with the two screws (230).
F . 13
IG
Base Seal Valves
. 13.
IG
310538N