Service
WARNING
SKIN INJECTION HAZARD
To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief
Procedure on page 4.
Gun Repair (See Fig. 6)
NOTE: Repair kit 208328 is available for the needle packings. Use all the parts in the kit for the best re- sults.
1.Relieve the pressure. Disconnect the hose. Remove the tip guard (9) or nozzle extension.
2.Unscrew the seat housing (18) and valve seat (8*) from the gun body.
3.Using the wrench (3), loosen the packing nut (14). Then use the wrench (3) to unscrew the needle (10) from the adjusting nut.
4.Pull back the trigger (27) and remove the packing nut (14) and two glands (11*, 13*), four packings (12*) and locknut (4).
5.Clean and inspect all parts. Replace worn or damaged parts as needed. If using a repair kit, use all the parts in the kit during reassembly.
6.Lubricate the needle and slide it into the front of the gun body (2).
7.Lubricate the new packings and glands. One at a time, place these parts on the needle; the male gland (11*), four
8.Screw the packing nut (14) into the center of the gun body. Screw the locknut (4) onto the needle.
9.Be sure the spring (16) is in the gun body at the rear of the center opening. Then, install the adjust- ing nut (7). Using the wrench (3), insert through the front of the gun, screw the needle (10) into the adjusting nut until its end is flush with the valve body.
10.Press the new valve seat (8*) into the body. Screw on the seat housing.
11.Adjust the needle before operating the gun. See Needle Adjustment on page 9.
12.Be sure the tip guard and trigger guard are installed before using the gun.
2
10
*8
18
9
8104
3 | Safety On |
|
|
| |
| 4 |
|
| 16 |
|
| 7 |
|
| *12 |
|
| *11 |
|
| 14 |
|
| 13* |
|
| 1.25in. (3.18 mm) | 8123 |
| Free Travel | |
Fig. 6 |
| |
|
| |
10 | 307010 |
|