Graco Inc 218-745, 307-712, PRO 5000 manual Turbine Alternator RemovalFan Air Valve Replacement

Page 23

SERVICE

Turbine￿ Alternator￿ RemovalFan￿ Air￿ Valve￿ Replacement

￿. ￿emove￿ power￿ cartridge￿ from￿ the￿ gun￿ body￿ ￿as. ￿lace￿ a￿ wrench￿ on￿ the￿ flats￿ of￿ the￿ valve￿ housing

described￿ underPower￿

￿ Cartridge￿ Replacement.

and￿ remove￿ it￿ from￿ the￿ gun￿ body￿ ￿￿￿.￿ ￿ee￿ Fig￿2

2.￿arefully￿ twist￿ the￿ turbine￿ alternator￿counter￿2a￿￿ ￿ 2. ￿emove￿ the￿ retaining￿ ring￿ ￿￿6￿. clockwise￿ and￿ pull￿ it￿ off￿ the￿ power￿ supply￿ ￿￿￿￿ until

just￿ disengaged￿ from￿ the￿ coupling.￿ ￿hen￿ continue3. ￿otate￿ the￿ air￿ adjusting￿ screw￿￿￿6￿￿ counterclock￿

to￿ slowly￿ pull￿ the￿ turbine￿ alternator￿ away￿ from￿ thewise￿ until￿ it￿ is￿ disengaged￿ from￿ the￿ valve￿ hous

power￿ supply￿￿ disconnecting￿ the￿ 3:wire￿ connector

threads.￿ ￿ull￿ the￿ adjusting￿ screw￿ out￿ of￿ the￿ va

￿HH￿.￿ ￿ee￿ Fig￿ ￿￿.

housing￿￿￿￿￿.

3.￿sing￿ an￿ ohmmeter￿￿ test￿ the￿ coil￿ in￿ the￿ turbine￿￿alter:. ￿lean￿ all￿ the￿ parts￿ and￿ inspect￿ them￿ for￿ wea nator￿ ￿2a￿.￿ Measure￿ the￿ resistance￿ between￿ the￿ two damage.￿ ￿f￿ replacing￿ the￿ seal￿ ￿￿￿￿￿￿ unsclockrew￿￿ it￿

outer￿ terminals￿ of￿ the￿ 3:wire￿ connector￿ ￿HH￿.￿ ￿he wise￿ and￿ remove￿ it￿ from￿ the￿ adjusting￿ screw.

resistance￿ should￿ be￿ 3￿ to￿ ￿￿ ohms.￿ ￿f￿ the￿ reading￿ var:

ies￿ from￿ this￿ value￿￿ replace￿ the￿ alternator. ￿. ￿pply￿ medium￿ grade￿ thread￿ sealant￿ to￿ the￿ sm threads￿ on￿ the￿ end￿ of￿ the￿ adjusting￿ screw￿ ￿￿6￿￿

￿. Measure￿ the￿ resistance￿ between￿ each￿ outer￿ termi: install￿ a￿ new￿ seal￿ ￿left￿ hand￿ thread￿.

nal￿ of￿ the￿ 3:wire￿ connector￿ ￿HH￿￿ and￿ the￿ turbine￿ al:

6. When￿ reassembling￿ the￿ fan￿ air￿ valve￿￿ lubricate￿ t ternator￿ housing.￿ ￿he￿ resistance￿ should￿ be￿ infinite.

￿f￿ the￿ resistance￿ is￿ not￿ infinite￿￿ replace￿ the￿ alternator.o-ring￿ ￿￿￿￿￿ and￿ the￿ adjusting￿ screw￿ threads￿ w petroleum￿ jelly.

￿. ￿artially￿ connect￿ the￿ 3:wire￿ connector￿ ￿HH￿￿ onto￿ the

￿. ￿fter￿ the￿ retaining￿ ring￿ ￿￿6￿￿ is￿ installed￿ on￿ the￿ ad

prongs￿ inside￿ the￿ power￿ supply￿ ￿￿￿.￿ ￿ee￿ Fig￿ ￿￿.￿ ￿s:

ing￿ a￿ small￿ screwdriver￿￿ push￿ the￿ connector￿ onto￿ theing￿ screw￿ ￿￿6￿￿￿ back￿ the￿ adjusting￿ screw￿ out￿ of

prongs￿ until￿ seated.

valve￿ housing￿ ￿￿￿￿￿ until￿ it￿ bottoms￿ out￿ against￿ the

taining￿ ring.

 

6.￿lide￿ the￿ turbine￿ alternator￿ ￿2a￿￿ onto￿ the￿ power￿ sup:

ply￿￿ being￿ sure￿ to￿ align￿ the￿ coupling￿ between￿￿.the￿pply￿ ￿eflonr￿ paste￿ to￿ the￿ threads￿ of￿ the￿ valve￿ ho power￿ supply￿ and￿ the￿ turbine￿ alternator￿ housing. ing￿ ￿￿￿￿￿ and￿ install￿ it￿ in￿ the￿ gun￿ body￿ ￿￿￿.￿ ￿orq

￿hen￿ twist￿ the￿ turbine￿ alternatclockwiser￿

￿ to￿ lock

housing￿ to￿ ￿.￿-￿.￿￿￿Sm￿ ￿￿￿-￿2￿ in-lb￿.

 

the￿ coupling.

 

 

KEY

￿ 1 Gun￿ ￿ody

￿. ￿nstall￿ the￿ power￿ cartridge￿ in￿ the￿ gun￿ body￿ as

described￿ underPower￿ ￿ Cartridge￿ Replacement. 46 ￿etaining￿ ￿ing 47 Valve￿ ￿eal

KEY

 

 

54

￿:￿ing

 

 

55

Valve￿ Housing

HH

3-wire￿ ￿onnector

 

 

56

￿djusting￿ ￿crew

2a

￿lternator

2a

 

 

5

￿ower￿ ￿ ￿upply

HH

 

 

 

 

 

 

￿

￿

￿￿ ￿6

￿￿

￿6

￿￿

Apply￿ Teflon￿ paste. Torque￿ to

1.1-1.4￿ N￿m

(10-12￿ in-lb)

Fig￿ 20

Fig￿ 19

307-712 23

Image 23
Contents This manual contains Important Automatic MID-RANGE ElectrostaticRev P Part Number 218±745, Series B  Terms Table of ContentsHazardous Fluid Hazard Hose SafetyEquipment Misuse Hazard HOW the Electrostatic AIR Spray GUN Works Flushing and Cleaning SafetyVentilate the Spray Booth Fire or Explosion HazardHazardous Area Typical InstallationVentilate the Spray Booth NON±HAZARDOUS Area KEYMount the Gun InstallationCheck the Electrical Grounding Installing Optional Remote Fan Air AdapterSpraying Operation Operating ChecklistOperation Filter the FluidAccessories Adjust the Spray PatternGUN in Solvent MaintenanceDaily Care and Cleaning Flush the Spray GunEquipment needed To Clean or Change Air Cap and Fluid NozzleProblem Cause Solution Improper Spray Pattern Spray Pattern Troubleshooting ChartProblem Cause Solution GUN Operation Troubleshooting ChartSee Check the Electrical Grounding Electrical Troubleshooting ChartTest Gun Resistance Test Power Supply ResistanceElectrical Tests Test Resistor Stud Resistance Electrode Replacement ServiceGun Disassembly Gun Assembly NoteTo install the resistor stud Resistor Stud Replacement66b Fluid Needle Packing ReplacementBarrel Removal Service Power Cartridge Replacement Turbine Alternator RemovalFan Air Valve Replacement Piston Removal and Repair Disc Regulator ORing Replacement Detail a Ref No Power CartridgeRef No 66, Tool Kit Old/New Style Resistor Stud and Electrode Parts ListDescription Qty KitsAssembly Changed Status No. Part No Name Technical DataService Information HOW to Order Replacement PartsAIR Hose Adapter 185±493 AccessoriesHigh Volume AIR Regulator 206±199 Grounded AIR Supply HoseElectrostatic System 231±036 Remote Switch & Signal Light 728±386 Control Panel 218±394Filter AIR or Paint 202±271 Electrostatic System 231±035To you 1±800±328±0211 Toll Free Graco Warranty and DisclaimersWarranty Important Phone Numbers