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20 308-084
SERVICE
Electrode Replacement
1. Remove the air cap, nozzle and resistor stud as
described in Air Cap/Nozzle/Resistor Stud
Replacement.
2. Unscrew
and remove the fluid needle/electrode (28)
with the electrode tool (47) provided. Be careful not
to
damage the contact wire. See Fig 17 .
If
the fluid rod turns, hold the back end of the fluid rod.
3. Apply low-strength
(purple)
Loctite r or equivalent
thread
sealant to the electrode and fluid rod threads.
Refer
to
SER
VICE NOTES
, page 25.
Hold the back end of the fluid rod to prevent it from
turning
while installing the new
electrode finger tight.
DO
NOT over tighten the electrode.
CAUTION
To avoid damaging the plastic threads or contact
wire,
be very careful when installing the electrode.
4. Install the fluid nozzle and resistor stud assembly .
Install
the air cap assembly
. T
est the gun resistance
as
instructed on page 16.
KEY
28 Electrode
47 Electrode
T
ool
Fig
17
47
28
Apply
low-strength
(purple)
Loctite
or equivalent
0445