Repair

Barrel Removal

Barrel Installation

1.Prepare the gun for service, page 25.

2.Carefully loosen the nut (32 or 50d) from the bracket fluid fitting (13). Pull the tube (14 or 50a) out of the fitting. Make sure both ferrules and the nut stay with the tube.

3.Loosen the three screws (11).

CAUTION

To avoid damaging the power supply (18), pull the gun barrel straight away from the gun handle. If necessary, gently move the gun barrel from side to side to free it from the gun handle.

4.Hold the gun handle (17) with one hand and pull the barrel (16) straight off the handle. See FIG. 15..

14

32

13

11

16

ti1503a

17

ti1504a

Fig. 15. Barrel Removal

1.Be sure the gasket (10*) and grounding spring (55) are in place. Make sure the air holes are aligned properly. Replace if damaged. See FIG. 16..

2.Place the barrel (16) over the power supply (18) and onto the gun handle (17).

3.Tighten the three screws (11) oppositely and evenly (about a half turn past snug).

CAUTION

Do not over-tighten the screws (11).

4.Assemble the fluid tube (14) into the bracket fitting (13). Ensure that the ferrules are in place. Tighten the nut (32).

5.Test gun resistance, page 18.

*10

18

11

16

55

ti1506a

Fig. 16. Barrel Installation

30

309292S

Page 30
Image 30
Graco Inc 309292S, ti1600a, ti1248a important safety instructions Barrel Removal Barrel Installation

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