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Gun Repair
312900G 31
Remove Barrel
1. Prepare the gun for repair, page 27.
2. Carefully loosen the nut (54) 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).
4. Hold the gun handle (17) with one hand and pull the
barrel (16) straight off the handle. See F
IG. 16.
Fig. 16. Remove Barrel
Install Barrel
1. Be sure the gasket (10*) and grounding spring (53)
are in place. Make sure the air holes are aligned
properly. Replace if damaged. See F
IG. 17.
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).
4. Assemble the fluid tube (14) into the bracket fitting
(13). Ensure that the ferrules are in place. Tighten
the nut (54).
5. Test gun resistance, page 23.
Fig. 17. Install Barrel
NOTICE
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.
ti1504a
ti1503a
11
13
55
14
16
17
54
32
NOTICE
Do not over-tighten the screws (11).
16
*10
11
18
53
ti12830