Graco Inc 24C933, 313872B, 257999, 24C934, 24C932, TI14450a Disassemble Front End, Assemble Front End

Repair

Disassemble Front End

NOTICE

To prevent cross-contamination of the equipment’s wet- ted parts, never interchange component A (isocyanate) and component B (resin) parts. The gun is shipped with the A side on the left. The fluid manifold, fluid housing, side seal assembly, check valve cartridge, and mix chamber are marked on the A side.

Assemble Front End

NOTICE

To prevent cross-contamination of the equipment’s wet- ted parts, never interchange component A (isocyanate) and component B (resin) parts. The gun is shipped with the A side on the left. The fluid manifold, fluid housing, side seal assembly, check valve cartridge, and mix chamber are marked on the A side.

3				19 6
26	1	16b	17	18
3
20 7				1
21 7
22				3
23 3
				25
			16a
1				ti14469a1

1. Remove Front End, see page 33.

26a	3				19 6
	26	1	16b	17	18
	20 7				1
	21 7
	22				25a 3
23 3

25

16a

29 28 3

2. Remove Throat Seal Liquid bleed port screw (16b).

31 3

30

ti14469a1

3.	Remove check valve assembly (16a).
4.	Remove orifice (25). Repeat for opposite side.
5.	Remove pour tip (19).
6.	Remove front packing (18) then mix module (17).
7.	Remove rear packing nut (23), seal (22), rear pack-
	ing housing (21), and o-ring (20).

1Part is only included with 375 orifices.

3	32	5
	Torque to 20-30 in-lb (2.26-3.39 N•m)
6	Torque to 60-70 in-lb (6.78-7.91 N•m)
		34

7Part is35only included with 250 applicator.

3

1.Install o-ring (20), rear packing housing (21), seal (22), and rear packing nut (23). Torque rear packing nut to 20-30 in-lb (2.26-3.39 N•m).

2.Install mix module (17) then front packing (18).

3.Install pour tip (19) hand-tight.

34 313872B