Resistor Stud Or Contact Replacement - Graco A Series Instructions-Parts List Manual

Resistor Stud or Contact 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 were white. DO NOT mix old style parts with
new style parts.
Remove the air cap (17) and fluid nozzle (19) as de-
scribed in the Maintenance Section under Clean the Air
Cap and Fluid Nozzle.
Remove the electrode (56*) as described under Elec-
trode Replacement.
Using the tool (77g*) supplied, unscrew and remove the
resistor stud (71*) with the o–ring (9*) and washer (74*).
See Fig 15.
To replace the contact (78*), push the contact out the
front of the gun barrel (36) with the rod (77e) supplied.
Press fit the contact into the gun body unti it bottoms out.
To install the resistor stud:
Lubricate the o–ring (9*) with petroleum jelly and install it
on the resistor stud (71*).
Install the washer (74*) into the gun barrel.
SERVICE
Using the tool (77g*) supplied, reinstall the resistor stud
in the front of the gun barrel (36). Tighten until snug.
Reinstall the electrode (56*) as described under
Electrode Replacement.
Reinstall the fluid nozzle (19) and air cap (17) as de-
scribed in Clean the Air Cap and Fluid Nozzle.
KEY
9 O–Ring
36 Gun Barrel
71 Resistor Stud
74 Washer
78 Contact
*74
*9
*71
Fig 15
36
78*