Electrode Replacement - Graco 222625 Instructions-Parts List Manual

Air Cap/Nozzle/Resistor Stud
Replacement (continued)
6. Trigger the gun while installing the fluid nozzle (21)
and resistor stud (22) assembly with the multi-tool
(62). Tighten until the fluid nozzle seats in the gun
barrel.
7. Install the air cap assembly (1, 2, 8). Test the gun
resistance as instructed on page 21.
62
20


Apply a very light coat of lubricant

Tighten 1/8 to 1/4 turn past hand tight
Fig. 11
21


22


Torque to 10 in-lbs (1.12 NSm)
Fig. 12
Service
1, 8
2

21
22
D


25
62
0444A

Electrode Replacement

1. Prepare the gun for service as instructed on page
24.
1. Remove the air cap, nozzle and resistor stud as
instructed on page 24.
2. Unscrew and remove the fluid needle/electrode
(20) with the multi-tool (62). Hold the needle shaft
end to prevent it from turning. See Fig. 13.
CAUTION
Be careful not to damage the contact wire when
removing the electrode from the gun.
3. Apply low-strength (purple) Loctiter or equivalent
thread sealant to the electrode and needle shaft
threads. Install the electrode finger-tight. Do not
overtighten it.
CAUTION
To avoid damaging the plastic threads or contact
wire, be very careful when installing the electrode.
4. Install the fluid nozzle, resistor stud, and air cap
assembly as instructed at left.
5. Test the gun resistance as instructed on page 21.


20


Apply low-strength (purple) Loctite or equivalent to needle shaft
threads
Fig. 13
62
308018 25