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Service
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.
06449
Fig. 11
20
2
1, 8
21
22
25
D
62
Apply a very light coat of lubricant
Tighten 1/8 to 1/4 turn past hand tight
0444A
21
22
62
Fig. 12
Torque to 10 in-lbs (1.12 NSm)
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.
06624
Fig. 13
62
20
Apply low-strength (purple) Loctite or equivalent to needle shaft
threads