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AH-94-04.7

REA-90 and 90L Spray Applicators - Maintenance

5 2

5 2

5 2

5 2

5 2

2. Check the hose outer surface for wear or cuts
and replace as necessary.

Reinstall

Reinstall

Reinstall

Reinstall

Reinstall

1. To reinstall an existing or new fluid hose refer
to "Fluid Hose - Solvent Base Applicators" in the
"Maintenance" section.

FLUID HOSE

FLUID HOSE

FLUID HOSE

FLUID HOSE

FLUID HOSE

(W

(W

(W

(W

(WA

A

A

A

ATERBORNE

TERBORNE

TERBORNE

TERBORNE

TERBORNE

APPLICA

APPLICA

APPLICA

APPLICA

APPLICAT

T

T

T

TORS)

ORS)

ORS)

ORS)

ORS)

Removal

Removal

Removal

Removal

Removal

1. Unscrew the fluid tube connector at the barrel
and slide it back.

2. Unscrew the fluid bracket fitting nut and slide it
onto the core tubing.

3. Spread the conductive ferrule open and also
slide it onto the core tubing.

4. Pull the fluid hose assembly out of the barrel,
removing the fluid spacer, ferrule, and fluid tube
connector.  Then continue pulling the hose through
the fluid tube bracket fitting, removing the bracket
fitting nut and conductive ferrule.

5. Completely remove the hose assembly from
the fitting, then unscrew the hexagon nut and
remove the fluid hose fitting from the fluid tube
bracket.

6. Disconnect the fluid hose at the fluid supply.

>

 

If the fluid hose will not flow solvent

when the gun is removed from service, it is
plugged and must be replaced.  Fluid hoses
should be replaced periodically, depending
on the type of materials being sprayed.

N O T E

N O T E

N O T E

N O T E

N O T E

Cleaning and Inspection

Cleaning and Inspection

Cleaning and Inspection

Cleaning and Inspection

Cleaning and Inspection

1. The outer surface of the fluid hose can be
wiped with a suitable solvent.

2. Inspect the external surfaces of the fluid hose
assembly for damage to the outer jacket, inner
sheath, or core tubing.  If damage such as abrasion,
cuts, and/or scratches are found the assembly
must be replaced.

>

 

The fluid hose should not be soaked in

solvent and only non-polar solvent should
be used to clean the outer surface.  Soak-
ing or the use of polar solvents can create
hazardous conditions that could cause
equipment failure and/or personnel injury.

W A R N I N G

W A R N I N G

W A R N I N G

W A R N I N G

W A R N I N G

!!!!!

Figure 23: Fluid Hose Components

Figure 23: Fluid Hose Components

Figure 23: Fluid Hose Components

Figure 23: Fluid Hose Components

Figure 23: Fluid Hose Components

  

4

Barrel

26

Fluid Tube Bracket

59

Fluid Hose Assembly (Waterborne)

60

Fluid Spacer

61

Ferrule

62

Fluid Tube Connector Nut

63

Nut & Ferrule

64

Conductive Ferrule

65

Nut

66

Fluid Hose Fitting

Item #

Item #

Item #

Item #

Item #

Description

Description

Description

Description

Description

Содержание 75785

Страница 1: ...REA 90L REA 90 and REA 90L REA 90 and REA 90L ELECTROST ELECTROST ELECTROST ELECTROST ELECTROSTA A A A ATIC SPRA TIC SPRA TIC SPRA TIC SPRA TIC SPRAY Y Y Y Y APPLICA APPLICA APPLICA APPLICA APPLICAT T...

Страница 2: ...s been changed from revision AH 94 04 6 AH 94 04 6 AH 94 04 6 AH 94 04 6 AH 94 04 6 to revision AH 94 04 7 AH 94 04 7 AH 94 04 7 AH 94 04 7 AH 94 04 7 Reasons for this change are noted under Manual Ch...

Страница 3: ...TECHNOLOGY CONVERSION PROCEDURE SPRAY PATTERN ADJUSTMENT APPLICATOR TO TARGET DISTANCE AIR CAP FLUID NOZZLE SELECTION CHART AIR CAP FLUID NOZZLE PERFORMANCE CHART MAINTENANCE MAINTENANCE MAINTENANCE M...

Страница 4: ...NTENANCE continued MAINTENANCE continued MAINTENANCE continued MAINTENANCE continued MAINTENANCE continued BARRELASSEMBLY HOOK TRANSFORMER ASSEMBLY HOOK TRANSFORMER ON OFF SWITCH REPLACEMENT HANDLE FA...

Страница 5: ...AH 94 04 7 REA 90 and 90L Spray Applicators Contents...

Страница 6: ...evant to the A NOTE is information relevant to the A NOTE is information relevant to the A NOTE is information relevant to the A NOTE is information relevant to the procedure in progress procedure in...

Страница 7: ...e supplied to the atomizer must be turned off prior to cleaning flushing or maintenance When using solvents for cleaning Thoseusedforequipmentflushingshouldhaveflash points equal to or higher than tho...

Страница 8: ...alogenatedhydrocarbonsolvents for example methylene chloride and 1 1 1 Trichloroethane are notchemicallycompatiblewiththe aluminum that might be used in many system components The chemicalreactioncaus...

Страница 9: ...xplosion is lost if safety circuits aredisabledduringoperation Frequent power supply shutdown indicates a problem in the system whichrequirescorrection Anelectricalarccanignitecoating materials and ca...

Страница 10: ...should be cut out Operators must remove from themselves all metal objects that are not grounded NOTE NOTE NOTE NOTE NOTE REFER TO NFPA 33 REGARDING OPERATORGROUNDING B Parts being sprayed Resistance...

Страница 11: ...ssary lock the power supply out so that it cannot be turned ON until the work is finished Whenever removing high voltage cables from equipment ground the contact end of the cable by holdingthecablesuc...

Страница 12: ...sing with the hands and fingers 3 Extreme or awkward finger wrist or arm positions 4 Excessive duration of the activity 5 Tool vibration 6 Repeated pressure on a body part 7 Working in cold temperatur...

Страница 13: ...ation 7 Componentstobeincorporatedintoorusedas replacement parts of the equipment shall be fitted by suitably trained personnel in accordance with the manufacturer s documentation 8 The certification...

Страница 14: ...apply Special conditions for safe use The REA 90 and 90L75785 75786 75979 and75982Electrostatic Applicators shall only be used with associated 76580 7XXXX 76580 6XXXX 76789 and75983 Control Unit Prod...

Страница 15: ...01 Label 77319 01 Label 77319 01 Label 77319 01 Label 77322 Label 77322 Label 77322 Label 77322 Label 77322 Label 77325 Label 77325 Label 77325 Label 77325 Label 77325 Label 79657 Label 79657 Label 79...

Страница 16: ...zed spray particles under the influence of the electrostatic field become electrically charged The charged particles are attracted to and deposited on the target object The forces between the charged...

Страница 17: ...quirements This allows moving the REA 90 power source inside most spray booths or areas where the standard control unit may not be conveniently located Examples are airplane hangars etc NOTES NOTES NO...

Страница 18: ...D ANDARD SPECIFICA SPECIFICA SPECIFICA SPECIFICA SPECIFICATIONS TIONS TIONS TIONS TIONS 75979 SOL 75979 SOL 75979 SOL 75979 SOL 75979 SOLVENT VENT VENT VENT VENT BASE BASE BASE BASE BASE REA 90 A REA...

Страница 19: ...R MGS Solventborne Figure 1 REA 90 and REA 90L Standard AVIATOR MGS Solventborne Figure 1 REA 90 and REA 90L Standard AVIATOR MGS Solventborne Electrostatic Spray Applicator Features Electrostatic Spr...

Страница 20: ...REA 90 STANDARD ANDARD ANDARD ANDARD ANDARD SPECIFICA SPECIFICA SPECIFICA SPECIFICA SPECIFICATIONS TIONS TIONS TIONS TIONS 75982 W 75982 W 75982 W 75982 W 75982 WA A A A ATERBORNE TERBORNE TERBORNE T...

Страница 21: ...ATOR Waterborne Figure 2 REA 90 and REA 90L Standard AVIATOR Waterborne Figure 2 REA 90 and REA 90L Standard AVIATOR Waterborne Electrostatic Spray Applicator Features Electrostatic Spray Applicator F...

Страница 22: ...supply must be interlocked with it also Routing of Low V Routing of Low V Routing of Low V Routing of Low V Routing of Low Voltage Cable oltage Cable oltage Cable oltage Cable oltage Cable Positionth...

Страница 23: ...rget Power Power Power Power Power Supply Supply Supply Supply Supply Booth Booth Booth Booth Booth The electrical discharge that is available from the charging electrode must not exceed 0 25 mJ of en...

Страница 24: ...nd hand tighten the retaining nut If during the routing of the low voltage cable it is required to remove it from the spray applicator care should be taken when reinstalling it back that the retaining...

Страница 25: ...nnelareworking close by FluidlinestotheapplicatorMUSTbeprotected from scraping and abrasion on the floor or sharpmetaledgesthatcouldleadtovoltagepin holing and loss of kV on the charged system Cleanli...

Страница 26: ...htly score the inner sheath linearly and then radially 1 inch from the outer jacket Split the inner sheath along the linear score mark and peel it away from the core fluid hose Then remove the sheath...

Страница 27: ...he appropriate fluid source Figure 4 Fluid Hose Assembly Figure 4 Fluid Hose Assembly Figure 4 Fluid Hose Assembly Figure 4 Fluid Hose Assembly Figure 4 Fluid Hose Assembly AIR HOSE FITTING AIR HOSE F...

Страница 28: ...ssure reducer from the barrel by unscrewing it counter clockwise 4 Install the new pressure reducer 5 Installappropriatefluidnozzle gentlytightening intoplaceusingthespecialmulti purposeapplicator wre...

Страница 29: ...rnaxisoffanatomizersfromhorizontal to vertical loosen the retainer ring rotate the air cap clockwise to the desired position and gently tighten the ring APPLICA APPLICA APPLICA APPLICA APPLICAT T T T...

Страница 30: ...Orifice ID Fluid Nozzle Fluid Nozzle Fluid Nozzle Fluid Nozzle Fluid Nozzle Part Part Part Part Part 75600 01 75600 02 75600 03 AIR CAP FLUID NOZZLE SELECTION CHART AIR CAP FLUID NOZZLE SELECTION CHA...

Страница 31: ...D NOZZLE PERFORMANCE CHART AIR CAP FLUID NOZZLE PERFORMANCE CHART 600 300 318 Spray Spray Spray Spray Spray T y p e T y p e T y p e T y p e T y p e Air Spray Air Spray HVLP Spray A i r A i r A i r A i...

Страница 32: ...onents some oftheseitemsmaybesoakedinasuitablecleaning solvent The items that cannot be soaked are noted throughout this manual All o ring and electrical components cannot cannot cannot cannot cannot...

Страница 33: ...2 Trigger the applicator gun high voltage ON 3 Slowly approach the applicator electrode to any grounded object and make contact 4 Monitorthecurrentoutputreadingonthevoltage supplymeterastheapplicator...

Страница 34: ...aning Routine Cleaning Equipment Needed Equipment Needed Equipment Needed Equipment Needed Equipment Needed An appropriate solvent A solvent safety container grounded A small soft bristled brush The I...

Страница 35: ...it clean A surface charge may build up on the plastic surface and discharge to the nearest grounded object Efficiency of the applicator will also be reduced and damage or failure of the applica tor co...

Страница 36: ...h 7969 10 Plastic or Wood Dowel Rod 5 16 inch diameter TO REMOVE THE TO REMOVE THE TO REMOVE THE TO REMOVE THE TO REMOVE THE APPLICA APPLICA APPLICA APPLICA APPLICAT T T T TOR FROM THE OR FROM THE OR...

Страница 37: ...id Hose Assembly 71 Air Hose Assembly 77 LowVoltageCable Item Item Item Item Item Description Description Description Description Description 4 Loosen the low voltage cable nut from the plug assembly...

Страница 38: ...luid tube fitting 5 Pull the fluid hose assembly out of the barrel removing the spacer ferrule and fluid tube connector Then continue pulling the fluid hose assembly through the bracket removing the f...

Страница 39: ...Nozzle and Nut Figure 7 Air Cap Fluid Nozzle and Nut Figure 7 Air Cap Fluid Nozzle and Nut Figure 7 Air Cap Fluid Nozzle and Nut Figure 7 Air Cap Fluid Nozzle and Nut 1 RetainingNut 2 Air Cap 3 Fluid...

Страница 40: ...ing and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection 1 Use a suitable solvent to clean the needle electrode Referto SuitableSolventsforCleaning REA 90Applicatorsi...

Страница 41: ...t completely and remove the air cap 3 Using a flat head screwdriver remove the two shoulder screws that retain the trigger to the applicatorhandle 4 While holding the grounding spring located under th...

Страница 42: ...dge Seal Assembly Figure 9 Cartridge Seal Assembly Figure 9 Cartridge Seal Assembly Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspect...

Страница 43: ...and over the external threads of the needle shaft Once both internal o rings have cleared the threads slide it onto the sealing area 2 Screwtheneedle electrodeontothefrontofthe needle shaft and hand...

Страница 44: ...into the packing chamber from the rear of the barrel with the needle electrode forward 12 Push the needle shaft sub assembly forward until the packing nut will engage its mating thread in the barrel a...

Страница 45: ...edle shaft spring into the spring retainer Align the electrical connectors of the barrel with the mating holes in the hook transformer assembly and the needle shaft spring with the spring recess in th...

Страница 46: ...tage Cable Plug Assembly Item Item Item Item Item Description Description Description Description Description 7 Check the spacing between the back of the spring retainer and the handle It should be ab...

Страница 47: ...Figure 17 6 Turn the control unit on and adjust the voltage knob clockwise to increase the voltage to the hook transformer 7 Watch the red lens at the rear of the hook transformer As the voltage is i...

Страница 48: ...HOOK TRANSFORMER HOOK TRANSFORMER HOOK TRANSFORMER HOOK TRANSFORMER HOOK TRANSFORMER ON OFF SWITCH ON OFF SWITCH ON OFF SWITCH ON OFF SWITCH ON OFF SWITCH REPLACEMENT REPLACEMENT REPLACEMENT REPLACEM...

Страница 49: ...edures should be completed Removal from Service Removal Fluid Tube and Fluid Hose forSolventBaseApplicators orFluidHose for Waterborne Applicators Removal Air Hose Removal Low Voltage Cable Removal Lo...

Страница 50: ...eneedleforwear Replaceanydamaged or worn parts Assembly Assembly Assembly Assembly Assembly 1 Apply a light coating of dielectric grease to a new o ring and slide it over the threads of the retaining...

Страница 51: ...ure 19 Air Valve Figure 19 Air Valve Figure 19 Air Valve Figure 19 Air Valve Figure 19 Air Valve 5 Witha3 8 inchwrench completelyremovethe retaining nut with the internal u cup seal Cleaning and Inspe...

Страница 52: ...handle using a standard blade screwdriver The applicator trigger can be replaced ei ther with the applicator on line or removed from service If the following procedure is to be done online make sure t...

Страница 53: ...el gasket 3 Check the spring to ensure it has seated into the handle recess and tighten the barrel retaining nut 4 Reinstall the trigger and ground spring refer to Trigger in the Maintenance section L...

Страница 54: ...w voltage cable plug assembly to the handle The set screw is located toward the bottom of the handle on the front side see Figure 21 4 Hold the bottom of the plug assembly and pull it straight out of...

Страница 55: ...to the air hose fluid hose bundle 3 Connect the low voltage cable assembly to the low voltage control unit FLUID TUBE FLUID TUBE FLUID TUBE FLUID TUBE FLUID TUBE SOL SOL SOL SOL SOLVENT VENT VENT VENT...

Страница 56: ...damaged it should be replaced NOTE NOTE NOTE NOTE NOTE The accumulation of paint on the outer surface of the fluid tube can lead to reduced gun efficiency and or electrical damage C A U T I O N C A U...

Страница 57: ...pply If the fluid hose will not flow solvent when the gun is removed from service it is plugged and must be replaced Fluid hoses should be replaced periodically depending on the type of materials bein...

Страница 58: ...e assembly of this hose can only be done by certified ITW Ransburg Techni cians NOTE NOTE NOTE NOTE NOTE The conductive ferrule is black and is split down one side NOTE NOTE NOTE NOTE NOTE AIR LINE AI...

Страница 59: ...come off with the air fitting and o ring attached 7 Remove the o ring from the air fitting stem and pull the air fitting through the fluid tube bracket Cleaning and Inspection Cleaning and Inspection...

Страница 60: ...stance Be sure not to over adjust in either direction The following procedure is to set the sequence of operation for air and fluid as the trigger is actuated It is very important that atomizing air b...

Страница 61: ...d End 1 Clogged or faulty air cap 2 Clogged or faulty fluid nozzle 1 Cleanorreplace 2 Cleanorreplace Pattern Will Not Pattern Will Not Pattern Will Not Pattern Will Not Pattern Will Not Shape Shape Sh...

Страница 62: ...targetground 2 Improperspraytechnique 3 Improperboothexhaust 4 Excessive atomizing air 5 Excessive target distance 1 Trace and correct 1 megohm maxi mum ground to target resistance 2 See ITW Ransburg...

Страница 63: ...tage Voltage Voltage Voltage Continued 6 Faulty control unit 7 Check fuses 8 Is the power turned on 9 Is the atomizing air turned on 10 Is the applicator triggered 11 Is the hook transformer on 12 Is...

Страница 64: ...igure 26a 75785 Solvent Base Standard and 75979 Solvent Base AVIATOR MGS Figure 26a 75785 Solvent Base Standard and 75979 Solvent Base AVIATOR MGS Figure 26a 75785 Solvent Base Standard and 75979 Solv...

Страница 65: ...ng Trigger 4 finger 1 Offset Bracket 2 45o Bracket Note Note Note Note Note The long trigger cannot be used with the 45o bracket 75979 SOL 75979 SOL 75979 SOL 75979 SOL 75979 SOLVENT VENT VENT VENT VE...

Страница 66: ...Reducer Pressure HVLP White 74963 03 7 Nut Retainer Barrel 75323 00 8 Ring Retaining Barrel 75326 00 9 Electrode Assembly 70430 00 10 113 Seal Assembly Cartridge Non Adjustable REA 78626 00 12 133 Sh...

Страница 67: ...5o Bracket 093 ID 8 15 16 Required 9704 16 56 Nut and Ferrule 3587 03 57 Nut Jam 10553 06 58 Fluid Tube Bracket Bulkhead Fitting Fluid Tube Bracket Bulkhead Fitting Fluid Tube Bracket Bulkhead Fitting...

Страница 68: ...cription REA 90 90L REA 90 90L REA 90 90L REA 90 90L REA 90 90L SPRA SPRA SPRA SPRA SPRAY Y Y Y Y APPLICA APPLICA APPLICA APPLICA APPLICAT T T T TORS 75785 75979 ORS 75785 75979 ORS 75785 75979 ORS 75...

Страница 69: ...AH 94 04 7 REA 90 and 90L Spray Applicators Parts Identification 64 64 64 64 64 NOTES NOTES NOTES NOTES NOTES...

Страница 70: ...ne Standard and 75982 Waterborne AVIATOR Figure 26b 75786 Waterborne Standard and 75982 Waterborne AVIATOR Figure 26b 75786 Waterborne Standard and 75982 Waterborne AVIATOR Figure 26b 75786 Waterborne...

Страница 71: ...odel No 75786A BB C 21 Model No 75786A BB C 21 Model No 75786A BB C 21 S Air Spray L HVLP 2 Short Trigger 2 finger 4 Long Trigger 4 finger 75982 W 75982 W 75982 W 75982 W 75982 WA A A A ATERBORNE REA...

Страница 72: ...r Pressure HVLP White 74963 03 7 Nut Retainer Barrel 75323 00 8 Ring Retaining Barrel 75326 00 9 Electrode Assembly 70430 00 10 113 Seal Assembly Cartridge Non Adjustable REA 78626 00 12 133 Shaft Ass...

Страница 73: ...08 00 62 Nut Connector Fluid Tube 72309 00 635 Nut Ferrule 3587 02 64 Ferrule Conductive 72315 00 65 Nut Jam 10553 05 66 Fitting Bulkhead Bracket Fluid Hose 72310 00 67 Connector 6241 06 68 Fitting Sw...

Страница 74: ...AR AR AR ARTS LIST TS LIST TS LIST TS LIST TS LIST Figure 26b Figure 26b Figure 26b Figure 26b Figure 26b Rebuild Kit 78929 01 1 2 2 3 Wrench Nozzle 19749 00 2 2 4 4 Barrel Nut 75323 00 1 2 2 3 Fits h...

Страница 75: ...Air Spray Conversion Kit 75733 00 Contains 74963 02 Black Pressure Reducers 18851 01 Fan Control Valve Assembly 4904 65R Air Cap 4907 45 Nozzle 73569 00 Retaining Ring REA 90 Applicator Rebuild Kit RE...

Страница 76: ...ARRANTY IS TO REPLACE UNDER THIS WARRANTY IS TO REPLACE UNDER THIS WARRANTY IS TO REPLACE UNDER THIS WARRANTY IS TO REPLACE PARTS THAT HAVE FAILED BECAUSE PARTS THAT HAVE FAILED BECAUSE PARTS THAT HAV...

Страница 77: ...4 04 6 REA 90 and 90L Spray Applicators Applicators Applicators Applicators Applicators to make the following changes 1 Replaced Label on the Front Cover 2 Replaced Labels72562 76180 76801 76856 76860...

Страница 78: ...hnical Service Assistance Technical Service Assistance Automotive Assembly and Tier I Telephone 800 626 3565 Fax 419 470 2040 Industrial Systems Telephone 800 233 3366 Fax 419 470 2071 Ransburg Guns T...

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