Graco 3A059OG important safety instructions Remove Restrictor, Assemble Restrictor

Repair

Remove Restrictor

1.Note number of turns from open to closed position. Remove restrictor housing (15) from manifold (1).

2.Place restrictor housing (15) in a vice and remove nut (16).

16

15

1

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3.Unscrew stem (12) clockwise and remove from restrictor housing (15).

16	12	13	15
			14

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4.Remove and replace o-rings (13, 14).

5.Remove set screw (11) and seat (10) from manifold.

11

10

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Assemble Restrictor

1.Insert seat (10) with larger tapered end facing up in manifold (1).

16

15

12

1 13 (black)

14 (white)

11

10

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2.Apply blue thread lock to external threads to set screw (11) and install in manifold.

3.Install o-rings (13, 14) and insert stem (12) into restrictor housing (15). Turn stem (12) coun- ter-clockwise until in open position.

4.Loosely install lock nut (16) on stem (12).

5.Tighten restrictor housing (15) into manifold (1).

6.Tighten stem (12) down until it bottoms on seat (10). Then back stem out to previously noted position or two full turns and lock in place with lock nut (16).

NOTE: For high volume or high viscosity “B” side applications, the restrictor parts can be replaced by a high pressure 3/4 npt plug.

20 3A0590G