Barrel Removal

1.Prepare the gun for service, page 25.

2.Carefully loosen the nut (C) from the bracket fluid fit- ting (13). See FIG. 16.

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 nec- essary, 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.

13 C

11

16

Repair

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.Make sure the fluid filter (1) is in place in the fluid fit- ting. Tighten the bottom fluid tube nut (C) onto the bracket (13) fluid fitting and torque to 20-30 in-lb

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

CAUTION

Be sure the fluid tube (14) is not twisted after tighten- ing the bottom nut (C).

5. Test gun resistance, page 18.

18

*10

11

16

17

TI1516A

17

ti1517a

Fig. 16. Barrel Removal

Barrel Installation

1.Be sure the gasket (10*, FIG. 17.) and grounding spring (55, FIG. 13.) are in place and the gasket air holes are aligned properly. Replace if damaged.

 

13

 

TI1520B

 

1

14

C

Fig. 17. Barrel Installation

309295L

31

Page 30 Page 32
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Image 31
Graco Inc 309295L, 244572, 244573, Xs4 AA important safety instructions Barrel Removal, Barrel Installation
Page 30 Page 32

244572, 309295, 309295L, 244573, Xs4 AA specifications

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