Graco 3A2495C Description Purpose, See Spray Tip Selection, Chart, page 62, for avail

Page 8

Gun Overview

Controls, Indicators, and Components

The electrostatic gun includes the following controls, indicators, and components (see Fig. 1). For information on Smart guns, also see Smart Guns, page 9 .

Item

Description

Purpose

 

 

 

A

Air Swivel

1/4 npsm(m) left-hand

 

Inlet

thread, for Graco grounded

 

 

air supply hose.

B

Fluid Inlet

1/4 npsm(m), for fluid

 

 

supply hose.

C

Turbine Air

Barbed fitting, for supplied

 

Exhaust

exhaust tube.

D

Air Cap/Tip

See Spray Tip Selection

 

Guard and

Chart, page 62, for avail-

 

Spray Tip

able sizes.

E

Electrode

Supplies electrostatic

 

 

charge to the fluid.

F

Fan Air

Adjusts fan size and shape.

 

Adjustment

Can be used to decrease

 

Valve

pattern width.

Figure 1 Gun Overview

 

Item

Description

Purpose

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

Atomizing Air

Adjusts atomizing air flow.

 

 

 

Adjustment

 

 

 

 

 

 

 

 

 

 

Valve

 

 

 

 

 

 

 

 

H

Trigger Safety

Locks trigger to prevent

 

 

 

Lock

gun from spraying.

 

J

ES On-Off

Turns electrostatics ON (I)

 

 

 

Valve

or OFF (O).

 

K

ES Indica-

Lit when ES is ON (I).

 

 

 

tor (standard

Color indicates alternator

 

 

 

gun only; for

frequency. See the LED

 

 

 

Smart gun in-

indicator table in the Gun

 

 

 

dicator, see

Setup Checklist, page 18.

 

 

 

Operating

 

 

 

 

 

 

 

 

 

 

Mode, page

 

 

 

 

 

 

 

 

 

 

9 )

 

 

 

 

 

 

 

 

 

 

L

Inline Fluid

Provides final filtration of

 

 

 

Filter

fluid. Located inside fluid

 

 

 

 

 

 

 

 

tube fitting.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

3A2495C

Image 8
Contents Important Safety Instructions InstructionsContents Smart Display Standard Display II 2 GFIRE, EXPLOSION, and Electric Shock Hazard Skin Injection Hazard Equipment Misuse Hazard Gun Overview How the Electrostatic AA Spray Gun WorksChart, page 62, for avail Setup Checklist,Description Purpose See Spray Tip SelectionOperating Mode Bar Graph Smart GunsError Display Key for Figs Description Purpose Description Purpose Diagnostic Mode Alternator Speed Hertz Screen Installation Ventilate the Spray BoothHose Air Supply LineFluid Supply Line Typical Installation Key Description NON-HAZARDOUS AreaGun Setup Gun Setup ChecklistGun Setup LED Indicator Colors Description Pressure DropGrounding Key to Figs Ground the Operator Ground the Gun Check Gun Electrical Grounding Flush Before Using Equipment Check Fluid ResistivityCheck Fluid Viscosity Fluid Resistivity Levels Megohms-cmPressure Relief Procedure OperationStartup ShutdownMaintenance FlushingClean the Gun Daily Maintenance Daily System Care Check Gun Electrical Grounding,Electrical Tests Test Gun ResistanceTest Power Supply Resistance Alternator Removal and Replacement,Test Gun Barrel Resistance Troubleshooting Spray Pattern TroubleshootingProblem Cause Solution Clean the Gun Daily,Gun Operation Troubleshooting Replacement, Power Supply RemovalReplacement, page 45 Test Gun Resistance,See Clean the Gun Daily, Replacement, page 52Prepare the Gun for Service RepairAir Cap, Spray Tip, and Fluid Seat Housing Replacement See Prepare the Gun for Service,Electrode Replacement See Test Gun Resistance,Fluid Filter Replacement Fluid Tube Removal and ReplacementGun Barrel Installation Gun Barrel RemovalFluid Needle Replacement Remove Cap and SpringsPower Supply Removal and Replacement See Prepare the Gun for Service, See Gun Barrel Removal,Alternator Removal and Replacement Alternator Fan Air Adjustment Valve Repair Fan Air Adjustment ValveAtomizing Air Adjustment Valve Repair ES On-Off Valve Repair See Gun Barrel Installation, Air Valve RepairSmart Module Replacement Smart ModuleAir Swivel and Exhaust Valve Replacement Air Inlet Fitting and Air Exhaust ValveStandard Air-Assisted Spray Gun Assembly PartsDescription Qty Smart Air-Assisted Spray Gun Assembly See Smart Module Assembly Alternator Assembly Part No N664 Alternator AssemblyES On-Off Valve Assembly Part No N632 ES On-Off Valve AssemblyFan Air Valve Assembly Part No N634 Fan Air Valve AssemblyAir Cap Assembly Smart Module Assembly Spray Tip Selection Chart AEM Fine Finish Spray TipsAEF Fine Finish Pre-Orifice Spray Tips Orifice Fluid OutputOz/min l/min 41 bar MPa Bar Spray TipRepair Kits, Related Manuals, and Accessories Gun AccessoriesSystem Accessories Test EquipmentOperator Accessories HosesDimensions Gun Model In. mm Weight, oz gTechnical Data Graco Pro Xp Warranty Graco Information