Graco Inc 24C933, 313872B Clean Fluid Housing Passages, Follow Pressure Relief Procedure on

Maintenance

11.Use hex nut driver to install fluid manifold (AD). Torque fluid manifold bolt to 20-30 in-lb

(2.26-3.39 N•m). Connect air quick coupler (AC).

AK

AD AC

TI14484a

12. Connect signal cable.

Clean Fluid Housing Passages

If necessary, use drill bits to clean the passages in the fluid housing and gun body. See Drill Bit Kits, page 51.

1.Follow Pressure Relief Procedure on page 22.

2.Remove Throat Seal Liquid cartridge.

3.Remove Throat Seal Liquid bleed port screw.

ti14478a

FIG. 22

4.Use 5/16 in. nut driver (supplied) to remove orifices (C). See FIG. 4 on page 16.

NOTICE

To prevent cross-contamination of the orifices do not interchange A component and B component parts. The A component orifice is marked with an A.

5.Remove Front End, see page 33.

6.Remove all items from front end to enable cleaning of passages. See Disassemble Front End on page 34.

7.Use appropriate drill bits to clean fluid housing pas- sages. See FIG. 23. See Drill Bit Kits, page 51.

	CA	CF
		CE
CB
		CD
		CA
	CC	TI14480a
	CC
Key:
CA	Orifice Passage
CB	Throat Seal Liquid Inlet

CCFluid Inlets (on bottom of fluid housing) CD Throat Seal Liquid Pop-Off

CE Nozzle

CF Throat Seal Liquid Bleed Port

FIG. 23: Fluid Housing Passages

8.See Assemble Front End on page 34.

9.Attach Front End, see page 35.

10.Install orifices. Torque to 20-30 in-lb (2.26-3.39 N•m).

28 313872B