Repair

Fluid Adjustment Valve Repair

1.Prepare the gun for service, page 25.

2.Remove the fluid adjustment valve (25). It can only be replaced as a complete assembly. See FIG. 20..

3.Screw the valve (25) into the gun handle. Torque to 15-25 in-lb (1.7-2.8 N•m).

25

ti1507a

Fig. 20. Fluid Adjustment Valve

4.Remove the air valve (21) with a pliers. Inspect the rubber sealing surface and replace the air valve if damaged.

CAUTION

When removing the air valve (21) be careful not to damage the seat area.The rubber seal is not removable.

5.Inspect the u-cup (6*). Do not remove the u-cup unless damaged. If removed, install the new one with its lips facing into the gun handle (17).

6.Install the air valve (21) and spring (15) into the gun handle (17).

7.Install the fluid adjustment valve (25). Torque to 15-25 in-lb (1.7-2.8 N•m).

8.Install the barrel, page 30.

Air Valve Repair

1.Prepare the gun for service, page 25.

2.Remove the barrel, page 30.

3.Remove the fluid adjustment valve (25) from the handle (17). Remove the spring (15). See FIG. 21..

CAUTION

Clean all parts in non-conductive solvent compati- ble with the fluid being used, such as xylol or min- eral spirits. Use of conductive solvents can cause the gun to malfunction.

21 15

17

*6

ti1512a

Fig. 21. Air Valve

25

34

309292S

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Graco Inc ti1600a, 309292S, ti1248a important safety instructions Fluid Adjustment Valve Repair, Air Valve Repair
Page 33 Page 35

ti1600a, 309292S, ti1248a specifications

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