Graco Inc. 218-745 - Manual (Page 19)

19 307-712
SERVICE
Resistor Stud Replacement
WARNING
Old/New Style Resistor Stud and Electrode
To reduce the risk of sparking, which could cause
fire or explosion, BE SURE the electrode and stud
you install are black. The old style electrode and
stud in the Series A Guns were white. DO NOT mix
old style parts with new style parts.
1. Remove the air cap assembly and fluid nozzle as
described in To Clean or Change Air Cap and
Fluid Nozzle.
2. Remove the electrode as described in Electrode
Replacement.
3. Using the wrench (59h) supplied, unscrew and
remove the resistor stud (17) with the o-ring (18) and
washer (12). See Fig 11.
To install the resistor stud:
1. Lubricate the o-ring (18) with petroleum jelly and
install it on the resistor stud (17).
2. Install the washer (12) in the gun barrel.
3. Using the wrench supplied, install the resistor stud in
the front of the gun barrel. Tighten until snug.
4. Install the electrode as described in Electrode Re-
placement.
5. Install the fluid nozzle and air cap assembly as
described in To Clean or Change Air Cap and
Fluid Nozzle.
Fig 11
KEY
12 Washer
17 Resistor Stud
18 O-Ring
17
18
12