Graco Inc 247937, 247936, 312900C important safety instructions Turn ES ON/OFF switch on

Page 17

7.Set gun air regulator to deliver minimum 40 psi (0.28 MPa, 2.8 bar) at gun when triggered, for maximum transfer efficiency. See table at right.

Installation

10. Turn ES ON/OFF switch ON (I).

MAX FLUID

HI WPR: 100 PSI (7bar, 0.7 Mpa)

LO ES	MAX AIR
	WPR:	100 PSI
	(7bar,	0.7 Mpa)

I ES O

ti12732

	TI1281A

Air Hose* Length	Regulator Setting**
ft (m)	psi (MPa, bar)


15 (4.6)	50 (0.35, 3.5)

25 (7.6)	60 (0.42, 4.2)

50 (15.3)	75 (0.52, 5.2)

*5/16 in. (8 mm) diameter/8 mm (5/16 in.) **Gun triggered

8.Spray test pattern. Check atomization. If over-atomi- zation occurs at minimum pressure, adjust restrictor valve. If atomization is inadequate, increase air pressure.

ti1282b

9.Adjust fan air adjustment valve: clockwise for a shorter pattern, counterclockwise for wider pattern.

11.Check that ES indicator or display is lit. If not, see Electrical Troubleshooting, page 22.

ES	ES
indicator	display

	Standard Model	Smart Model
	247936
		247937

12.Spray test piece. Examine edges for coverage. If wrap is poor, see Spray Pattern Troubleshooting, page 25.

ti1285b

ti1283a

312900C

17

Image 17

Contents II 2 G EEx 0.24 mJ PRO Xs Waterborne Air Spray GunTable of Contents FIRE, EXPLOSION, and Electric Shock Hazard Equipment Misuse Hazard How the Electrostatic Air Spray Gun Works OverviewSmart Model 247937 Standard Model 247936Air swivel inlet. Left-hand thread Fan air adjustment valve. Adjusts fan size ES indicator 247936 only. Green when ES is on Ventilate the Spray Booth InstallationInstall the System Typical Installation Key Grounded Air Supply Hose Connect the Air LineConnect the Charging Probe Filter the Fluid Connect the Exhaust TubeConnect the Fluid Line Orifice Size Select a Fluid Nozzle and Air CapFire, Explosion, and Electric Shock Hazard GroundingCheck Fluid Resistivity Check Electrical GroundingPrepare to Paint Check Fluid ViscosityTurn ES ON/OFF switch on Flush Pressurized Equipment Hazard Pressure ReliefShutdown Clean Gun Daily MaintenanceDaily System Care Electric Shock Hazard Electrical TroubleshootingSee Test Total Gun Resistance on See Check Electrical Grounding onTest Gun Resistance Electrical TestsTest Total Gun Resistance Test Charging Probe ResistanceTest Barrel Resistance Test Power Supply ResistanceSpray Pattern Troubleshooting Gun Operation Troubleshooting Prepare the Gun for Repair Gun RepairReplace Fluid Needle Replace Air Cap/NozzleRemove Fluid Packing Remove Fluid PackingPacking Rod Repair Packing RodRemove Barrel Install BarrelPower Supply Remove and Replace Power SupplyRemove and Replace Turbine Alternator Repair Fan Air Adjustment ValveRepair Air Valve Repair Fluid Adjustment ValveRepair ES ON/OFF Valve Remove and Replace Atomizing Air Restrictor ValveRef. No Multi-tool PartsPart No 60 kV Electrostatic Gun, Series a Standard model Part No 60 kV Electrostatic Gun, Series a Smart model Ref. No Packing Rod Ref. No Alternator Ref. No Fan Adjustment ValveRef. No ES ON/OFF Valve Smart Model controlsDescription Qty Description Qty Fluid Line Accessories AccessoriesAir Line Accessories Miscellaneous Accessories Gun AccessoriesCategory Data Technical DataGraco Information Graco Warranty