Graco 289604, 288513 important safety instructions Repair, Cleaning/Replacing Filter

Warnings

14.If the diffuser (5) was removed, trigger the gun while you reinstall the diffuser with the gun tool (30). Tighten the diffuser securely to obtain a good seal. Torque to 155-165 in-lb (18-19 N.m). When properly tightened, the flange will bottom out on the gun.

15.Install tip (33) and guard (6) on gun, page 4.

16.Using a soft cloth dampened in solvent, wipe off outside of gun.

Needle Repair (2)

1.Relieve pressure, page 4. Remove the diffuser (5), see Seat Repair, page 6.

2.Remove the trigger pivot pin nut (14), pivot pin (13), and trigger (3) using the gun tool (30) and nut driver (29).

13

17.After cleaning, lubricate the following parts weekly with lubricant 111265.

•Trigger pivot pin (A)

•Both sides of gun where trigger contacts gun (B)

•Fluid needle shaft, behind trigger (C)

A

B

C

ti8835a

14

3

TI6574A

Cleaning/Replacing Filter (24)

1.Relieve pressure, page 4. Lock trigger (1a).

2.Unscrew fluid inlet fitting (25).

3.Remove inline fluid filter (24).

4.Clean filter with soft brush and compatible solvent. Inspect filter and if damaged, replace it.

5.Install inline fluid filter (24) into base of fluid tube (16).

6.Screw fluid inlet fitting (25) into base of tube. Torque to 175-185 in-lb (20-21 N•m).

Repair

Seat Repair

Use Carbide Seat Repair Kit - 249456. For best results use all new parts provided in kit.

1.Relieve the pressure, page 4. Remove the fluid and air hoses from the gun.

2.Remove the guard (6) and spray tip (33).

3.Trigger gun to pull the needle housing off the seat while you unscrew the diffuser (5) from the gun body (1), using gun tool (30).

4.Inspect o-rings (5e, 5f, and 6a) in place. Carefully remove the o-rings from the diffuser housing (5a) and replace if necessary.

5.Remove the seat nut (5d), seat (5c) and seat gasket (5b) using a 7/32 in. hex wrench.

6.Inspect seat (5c) and seat gasket (5b) and replace if necessary.

7.Reinstall the seat gasket (5b) seat (5c) and seat nut (5d). Torque to 45-50 in-lb (5.0-5.6 N•m). Be sure not to overtighten nut.

•When reinstalling the carbide seat (5c), the tapered end of the seat must point toward the gun tip.

3. Remove the fluid
needle assembly	2a
(2) from the front of	2
the gun by using
the nut driver tool	29

(29). If the needle

is bent or	ti6575a
damaged, or the
packing is worn or

leaking, replace the entire needle assembly. If replacement is necessary, be sure to remove the o-ring (2a) as it may stick inside the gun body.

Air Valve Repair (8)

1.Unscrew the spring cap (11) from the back of the gun body (1) using the gun tool (30). Remove the two springs (15 and 19), the shaft (9), and seat (10).

2.Push the air valve assembly (8) out the back of the gun.

3.Inspect the u-cup (7) in the gun body (1). If the u-cup is worn or leaking, carefully remove the u-cup from the front of the gun body, using a pick.

8 15

1 7

11

19

10

9

TI6577A

6 311937G