Graco PRO Xs4 AA manual Gun Overview, = on = OFF, Standard Gun, Smart Gun

Page 8

Gun Overview

The electrostatic gun includes the following controls (see Fig. 1).

•Air cap/tip guard and spray tip. Never spray with- out the tip guard. See page 48 for spray tip sizes.

•Trigger safety lock. Prevents the gun from spraying.

•Atomizing AIR adjustment valve. Adjusts atomiz- ing air.

TIP GUARD

AIR CAP

SPRAY TIP

ES INDICATOR

ES ON/OFF
(I = ON,
0 = OFF)	I ES	O
0 = OFF)

AIR

ti1366a

Standard Gun

Fig. 1. Gun Overview

Introduction

•ES ON/OFF valve. Turns electrostatics ON (I) or OFF (0).

•ES INDICATOR (standard gun only). Green when ES is ON (I).

•Voltage/current DISPLAY (smart models only). Shows voltage (V) and current (A). Green=spray, yellow/red=see Troubleshooting, page 24.

•ES HI/LO switch (smart models only). Sets voltage to HI or LO (factory settings).

•LO voltage adjustment (smart models only). Remove plug to adjust to four settings.

TRIGGER SAFETY LOCK

ti1509a

			DISPLAY
ES HI/LO			LO
ES HI/LO	0	KV	100%
		∝α
		HI
LO	ES
ES ON/OFF	I	ES	O
(I = ON,			AIR
0 = OFF)

ti1333a

Smart Gun

8

309295

Image 8

Contents Standard Model Instructions Parts List 309295This manual contains important warnings and information Table of Contents Model Description Operation SymbolsList of Models Fire, Explosion, and Electric Shock Hazard Fluid Injection Hazard Toxic Fluid HazardEquipment Misuse Hazard Introduction How the Electrostatic AA Spray Gun WorksGun Overview = on = OFFStandard Gun Smart GunInstallation Install the SystemVentilate the Spray Booth Flammable or Toxic Vapor HazardNon-Hazardous Area Hazardous AreaElectric Shock Hazard Connect the Air LineConnect the Exhaust Tube Connect the Fluid Line Select a Spray TipGrounding Check Electrical Grounding Check Gun GroundingCheck Fluid Resistivity Check Fluid ViscosityLow Voltage Adjustment Smart Guns Only OperationMaintenance Flush the Spray GunTi1465a Electrical Tests Test Gun ResistanceTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceProblem Cause Solution TroubleshootingSpray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting Pressure Relief Procedure RepairPrepare the Gun for Service Tools NeededTip Guard, Air Cap, Spray Tip, or Seat Housing Replacement Tip Guard, Air Cap, and Spray Tip Replace- mentRepair Electrode Replacement Electrode ReplacementFluid Tube Replacement Fluid Filter RemovalFluid Needle Replacement Spring Cap and SpringsBarrel Installation Barrel RemovalPower Supply Removal and Replacement Power Supply and Turbine AlternatorTurbine Alternator Removal and Replacement Atomizing Air Adjustment Valve Repair Atomizing Air Adjustment ValveAir Valve Repair Air ValveES ON/OFF Valve Repair ES ON/OFF ValveParts Part No 85 kV Electrostatic Gun, Series a itemsRef. No ES ON/OFF Valve Ref. No Atomizing Air Adjustment ValveRef. No Alternator Description Qty AIR CAPIncluded in Air Seal Repair Kit Adjustment valve 20, and ES ON/OFF valve 53 RefRef. No Alternator Description Qty SWITCH, ES HI/LO Fluid Line Accessories AccessoriesAir Line Accessories Gun Accessories Miscellaneous AccessoriesSpray Tip Selection Chart Fan Width at Orifice SizeTechnical Data Category DataToll Free Graco Standard WarrantyGraco Phone Numbers