Graco Inc. GC-1402F User Manual download pdf (Page 14)

14 GC-1402E

4. Place PTFE washers, p/n: 23721-04 on top and

bottom of uid valve, p/n: 23743-00.

1. Ensure bores are clean before building material

valves.

2. Insert bearing, p/n: 23768-01 into gun body.

3. Insert seal, p/n: 23763-00 into gun body. (Ensure

holes in seal are aligned with holes in gun body.)

5. Lubricate outside of uid valve, p/n: 23743-00 with a

generous amount of Aqua lube (21266-00) and insert

into seal with holes aligned with holes in the gun body.

6. Insert bearing, p/n: 23768-01 into gun body.

7. a. Use 3/8 in. twelve point socket to rst snug P/N

23764-00 to hand tight, continue ½ turn past snug.

Torque reading 20 ft lbs / 88 Newton.

b. Loosen ¼ turn and return until snug, continue ¼

turn past snug. Torque reading 25 ft lbs / 110 Newton.

c. Loosen ¼ turn and return until snug, continues 1/8

turn past snug. Torque reading 30 ft lbs/ 133 Newton.

8. With piston, p/n: 23755-00 pushed back (in on posi

tion), Place packing disks, p/n: 23721-04 followed by

gears, p/n: 23775-01 and tighten set screw.

9. Activate air and retract gun trigger. Loosen P/N

23764-00 until valve rotate, alternate adjustment if both

valves were adjusted.

Maintenance

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Graco Inc. GC-1402F User Manual Page 14