Graco 309295N Electrode Replacement

Repair

28 309295N

Electrode Replacement

1. Prepare the gun for service, page 25.

2. Remove the air cap assembly, page 26.

3. Pull the electrode (9b) out of the back of the air cap,

using a needle-nose pliers.

4. Push the new electrode through the air cap hole.

Make sure the short end (BB) of the electrode

engages the hole (CC) in the back of the air cap.

Press the electrode in place firmly with your fingers.

See FIG. 10.

5. Install the air cap assembly, page 26.

6. Test gun resistance, page 18.

Fig. 10. Electrode Replacement

WARN ING

Electric Shock Hazard

To reduce the risk of fire, explosion, or elec-

tric shock, do not operate the spray gun

without the electrode installed in the air cap.

02013

Contents

Main 309295N Instructions/Parts List Manual Electrostatic Air-Assisted PRO Xs4 AA Spray Gun Table of Contents Page Warnings Warning Symbol WARNING Caution Symbol CAUTION WARNI NG Toxic Fluid Hazard Equipment Misuse Hazard Introduction How the Electrostatic AA Spray Gun Works Gun Overview Installation Install the System Warning Sign Ventilate the Spray Booth Fire, Explosion, and Electric Shock D Connect the Air Line Connect the Exhaust Tube Connect the Fluid Line Filter the Fluid Select a Spray Tip Grounding Check Electrical Grounding Check Fluid Resistivity Check Fluid Viscosity Operation Low Voltage Adjustment (Smart Guns Only) Table 1: Low Voltage Adjustment Maintenance Flush the Spray Gun Page Electrical Tests Test Gun Resistance Test Power Supply Resistance Test Barrel Resistance Troubleshooting Spray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting Repair Pressure Relief Procedure Prepare the Gun for Service Tools Needed Tip Guard, Air Cap, Spray Tip, or Seat Housing Replacement Page Electrode Replacement Fluid Tube Replacement Fluid Filter Removal Fluid Needle Replacement Barrel Removal Barrel Installation Power Supply Removal and Replacement Turbine Alternator Removal and Replacement Atomizing Air Adjustment Valv e Repa ir Air Valve Repair ES ON/OFF Valve Repair Parts Part No. 244572 85 kV Electrostatic Gun, Series C (items 1-50) Page Parts 309295N 39 Part No. 244572 85 kV Electrostatic Gun, Series C (items 1-50) Ref. Page Part No. 244573 85 kV Electrostatic Gun, Series C (items 1-59) Page Parts 309295N 43 Ref. Accessories Air Line Accessories AirFlex Flexible Grounded Air Hose Standard Grounded Air Hose Grounded Air Whip Hose Gun Accessories Miscellaneous Accessories Spray Tip Selection Chart Technical Data Graco Standard Warranty Graco Information