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.

KEY

12Washer

17Resistor Stud

18O-Ring

12

18

17

Fig 11

￿￿￿￿￿￿￿ ￿9

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Image 19
Graco Inc PRO 5000, 307-712, 218-745 manual Resistor Stud Replacement, To install the resistor stud