Repair

Fluid Tube Replacement

There are no replaceable parts in the fluid tube assem- bly. Only remove when necessary.

1.Prepare the gun for service, page 35.

2.Remove the air cap assembly, page 37. Remove the shroud (2).

3.Disconnect the bottom fluid tube nut (C). See FIG. 26..

4.Carefully unscrew the top fluid tube nut (D).

C

20

E

D

ti1524a

Fig. 26. Fluid Tube Replacement

CAUTION

Be careful not to damage the fluid tube assembly (19) when cleaning or installing it, especially the sealing surface (E). If the sealing surface is damaged, the entire fluid tube assembly must be replaced.

5.Apply Part No. 116553 dielectric grease to the entire length of the plastic extension on the end of the fluid tube (19).

6.Apply low strength thread sealant to the fluid tube nut threads.

7.Install the fluid tube into the gun barrel and tighten the top nut (D) hand-tight, then 1/4 to 1/2 turn with a wrench. There will be a gap between the nut and barrel. Do not overtighten the nut.

8.Make sure the fluid filter (20) is in place. Tighten the bottom nut (C) onto the fitting (22) and torque to

20-30 in-lb (2.3-3.4 N•m). Make sure the top nut remains tight.

9.Reinstall the shroud and air cap assembly, page 37.

10.Test gun resistance, page 29.

Fluid Filter Removal

1.Prepare the gun for service, page 35.

2.Remove the air cap assembly, page 37. Remove the shroud (2).

3.Disconnect the bottom fluid tube nut (C).

4.Remove the fluid filter (20). Clean or replace the fil- ter, as needed.

Replacement filters are available in 100 mesh (stan- dard) or 60 mesh sizes. See page 52.

5.Install the fluid filter. Tighten the bottom nut (C) onto the fitting (22) and torque to 20-30 in-lb (2.3-3.4 N•m). Make sure the top nut (D) remains tight.

CAUTION

Be sure the fluid tube (19) is not twisted after tighten- ing the bottom nut (C).

6.Reinstall the shroud and air cap assembly, page 37.

7.Test gun resistance, page 29.

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309298J

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Graco Inc 309298J, 244592, TI1713A, PRO Auto Xs AA important safety instructions Fluid Tube Replacement, Fluid Filter Removal
Page 39 Page 41

244592, PRO Auto Xs AA, TI1713A, 309298J specifications

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