HP GRACO OR PRO TI1681A - Manual (Page 46)

Repair
46 309293J
Barrel Removal
1. Prepare the gun for service, page 41.
2. Remove the air inlet fitting (35) and take the bracket
(104) off the gun handle (17).
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 . 28..
Barrel Installation
1. Be sure the gasket (10*) and grounding spring (55)
are in place. Make sure the gasket air holes are
aligned properly. Replace if damaged. See F
IG . 29..
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. Position the bracket (104) on the gun handle (17)
and secure with the air inlet fitting (35).
5. Apply dielectric grease (40) to the exposed inner
tube of the fluid hose (101).
6. Check that the nut (105) is tight on the ferrule hous-
ing (103).
7. Test gun resistance, page 30.
Fig. 28. Barrel Removal
Fig. 29. Barrel Installation
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.
CAUTION
Do not over-tighten the screws (11).
TI1691A
TI1690A
11
35
104
16
17
17
TI1692A
16
*10
11
18
55
101
104
105
35