Graco 312781E Repair, Remove the Integrator Mixer, Remove from the bottom, Remove from the top

Repair

Repair

To reduce the risk of injury, including fluid injection, fol- low the Pressure Relief Procedure in your proportion- ing equipment manual before cleaning, checking, or repairing equipment.

NOTE: Purge the mix manifold with solvent after repair to remove any excess grease that is used for lubricating parts.

Remove the Integrator Mixer

See the Parts drawings on pages 14-19.Clean and inspect all parts. Apply pipe sealant to all pipe threads when reassembling.

Items 31, 39, and 40 are included in Manifold Rebuild Kit 15U931. See page 15. Parts included in the kit are marked with a symbol, for example (31*).

Remove from the bottom:

1.Relieve pressure.

2.Remove the screw seal (37) and o-ring (39) from the manifold body (1).

3.Unscrew the manifold plug (3). Pull the integrator mixer assembly (35, 46, and 48) out the bottom of the manifold. Remove the o-rings (31, 40).

4.Inspect the integrator mixer (46). Check that the holes are not clogged; see page 8.

5.Reassemble.

Remove from the top:

1.Relieve pressure.

2.Remove the outlet tube (21), the integrator cap (49), and the integrator housing (47). Remove the o-ring (31).

3.Unscrew the integrator mixer (46). The integrator mix cap (48) will remain attached.

4.Inspect the integrator mixer (46). Check that the holes are not clogged; see page 8.

5.Reassemble.

NOTE: To clean or replace the static mixer element (25), remove the hose and any fittings from the bottom of the static mixer tube (24). Pull the element out through the bottom.

Remove the Restrictor (ProMix 2KE, Dynamic Dosing only)

See the Parts drawing on page 19. Clean and inspect all parts. Apply pipe sealant to all pipe threads when reassembling.

Restrictor Kit 15U955 is available, including the housing (54), six injector restrictors (55) of different sizes, and necessary o-rings.

Remove from the bottom:

1.Relieve pressure.

2.Unscrew the static mixer tube (24) and the injector housing (54). Remove the o-ring (31).

3.Pull restrictor (55) out through the bottom of the manifold body.

4.Reassemble with new restrictor and o-ring.

Remove from the top:

1.Relieve pressure.

2.Remove the screw seal (37) and o-ring (39) from the manifold body (1).

3.Unscrew the manifold plug (3). Pull the integrator base (35) and the restrictor (55) out through the top. Remove the o-rings (31 and 40).

4.Reassemble with new restrictor and o-rings.

10 312781E