Graco Therm-O-Flow Series Instructions-Parts List Manual page 15

8. Disassemble adapter assembly (F
a. Unscrew nozzle adapter (C).
b. Remove three socket head screws (30 in F
9).
c. Remove seat adapter (10). Contains seat on
base seal valves.
d. Remove retaining ring (170) from adapter seat
(F . 10). Not on base seal guns.
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e. Remove seal (150) and spacer (160) from
adapter seat (F
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f. Remove o-ring (20) from adapter seat.
F . 10
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310538N
. 10):
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. 10). not on base seal guns.
Snuff-Back Valve Shown
Service
Reassemble Automatic Dispense Valve
Prior to installation, lubricate all seals and o-rings with
115982 Graco high temperature grease (3 oz.
. cartridge), or an equivalent lubricant. Check with the
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material supplier for a compatible lubricant.
To reassemble the automatic dispense valve:
1. Make sure all parts are free of solid material resi-
due.
2. Reassemble adapter assembly (F
a. Lubricate and replace o-ring (20).
b. Lubricate and replace seal (150) and spacer
(160). Make sure the seal energizer faces
toward the material pressure.
c. Replace retaining ring (170).
d. Replace seat retainer (10).
e. Insert and tighten three socket head screws (30
in F
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f. Screw on nozzle adapter (C).
3. Lubricate then replace dispense valve body seal
(70). Make sure the seal energizer faces toward the
material pressure.
. 9).
Service
. 10):
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15