Graco 3A1570A User Manual

Repair-PartsPLURAL COMPONENT PROPORTIONER®A-25Air operated, electrically heated, plural component proportionerFor spraying or dispensing 1:1 ratio pol

Important Two-Component Material Information 10 3A1570AE01: High fluid temperatureCauses of E01 Errors• Thermocouple A or B (361) senses a fluid tempe

Important Two-Component Material Information3A1570A 11d. If the swapped module does not fix the problem, the power module is not the cause.8. Verify c

Important Two-Component Material Information 12 3A1570AE05: Control board over temperatureNOTE: Each module has an on-board temperature sen-sor. Heat

Before Beginning Repair3A1570A 13Before Beginning Repair1. Flush if necessary. See Flushing, page 14.2. Turn main heater power OFF .3. Relieve pressu

Park 14 3A1570AParkPark the pumps at the end of the day to cycle compo-nent A pump to home position, submerging displace-ment rod.1. Open the park val

Troubleshooting3A1570A 15TroubleshootingBefore performing any troubleshooting procedures:1. Relieve pressure, page 13.2. Turn main power OFF .3. Allo

Troubleshooting 16 3A1570AFluid pressure low or dropping Air supply pressure low when spray-ingIncrease inlet air pressureIncrease air compressor size

Troubleshooting3A1570A 17ElectronicsFluid pressures not balanced between A and B sideFluid viscosities not equal Adjust A and B temperature settings t

Troubleshooting 18 3A1570AErratic display; display turns on and off.Low voltage. Ensure input voltage is within specifi-cations, page 36.Poor display

Troubleshooting3A1570A 19HeaterPROBLEM CAUSE SOLUTIONPrimary heater(s) does not heat.Heat turned off.Press or zone keys.Temperature control alarm.

2 3A1570AContentsProportioner Models . . . . . . . . . . . . . . . . . . . . . . . . 3Systems . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 20 3A1570AHose Heat SystemPROBLEM CAUSE SOLUTIONHose heats but heats slower than usual or it does not reach tempera-ture.Ambient tempe

Troubleshooting3A1570A 21Hose does not heat.FTS failed or is not contacting correctly.Check FTS, page 11.FTS not installed correctly. FTS should be in

Repair 22 3A1570ARepairDisconnect PumpNOTE: See manual 309577 for pump repair instructions.1. Turn main heater power OFF .2. Follow Flushing, page 14

Repair3A1570A 2311. Push retaining wire clip (307) up. Push retaining pin (306) out.12. Loosen lock nut (302) by hitting firmly with a non-sparking ha

Repair 24 3A1570ARemove Air Motor1. Press in tube fitting ferrules and pull out tubing (65) to disconnect air line.2. Disconnect DataTrak communicatio

Repair3A1570A 25Recirculation / Over Pressure Relief BlockValves can be serviced with the block on the machine (see page 46 for parts view). For thoro

Repair 26 3A1570ATemperature Control ModuleTable 2: Temperature Control Module ConnectionsConnector DescriptionDATA (A) Data reportingSENSOR (B)PINHOS

Repair3A1570A 27Test SCR Circuit1. Test the SCR circuit in the on position:a. Make sure everything is connected, including the hose.b. Turn main power

Repair 28 3A1570APrimary HeaterHeater Element1. Turn main power OFF . Disconnect power supply.2. Relieve pressure, page 13.3. Wait for heaters to coo

Repair3A1570A 29FIG. 7. 6 kW Dual Zone Heater1351361354357356362359352358360355353Torque to 120 ft-lbs (163 N•m).Torque to 23 ft-lbs (31 N•m).Torque t

Proportioner Models3A1570A 3Proportioner ModelsAll proportioners can be configured to operate on 380V (4 wire), 230V (3 wire), or 230V 1Ø. Only avail

Repair 30 3A1570AThermocouple1. Turn main power OFF . Disconnect power supply.2. Relieve pressure, page 13.3. Wait for heaters to cool.4. Remove heat

Repair3A1570A 31Overtemperature Switch1. Turn main power OFF . Disconnect power supply.2. Relieve pressure, page 13.3. Wait for heaters to cool.4. Re

Repair 32 3A1570AFluid Temperature Sensor (FTS)Test/Removal1. Turn main power OFF . Disconnect power supply.2. Relieve pressure, page 13.3. Remove ta

Repair3A1570A 33Transformer Primary Check1. Turn main power OFF . 2. Locate the two smaller (10 AWG) wires coming out of transformer. Trace these wir

Repair 34 3A1570AReplace Circuit Breaker Module1. Turn main power OFF . Disconnect power supply. Turn circuit breakers on to test.2. Relieve pressure

Repair3A1570A 35Pump Lubrication SystemCheck the condition of the ISO pump lubricant daily. Change the lubricant if it becomes a gel, its color dark-e

Repair 36 3A1570AFluid Inlet Strainer ScreenThe inlet strainers filter out particles that can plug the pump inlet check valves. Inspect the screens da

Repair3A1570A 37FIG. 15. Display Moduleti18003a102b102c102aRDetail of Membrane Switches and Temperature Display BoardTemperature Display11021041051161

Repair 38 3A1570AReplace DataTrak Battery or FuseReplace Battery1. Unscrew cable from the back of the reed switch assembly. See FIG. 16.2. Remove the

Accessories3A1570A 39AccessoriesFeed Pump KitsPumps, hoses, and mounting hardware to supply fluids to Reactor. Includes 246483 Air Supply Kit. See 309

Warnings 4 3A1570AWarningsThe following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point

Parts 40 3A1570AParts262572, Bare Reactor A-25262614, Reactor A-25 with DataTrak and Wheels3556 (x4)59100 (x4)3883621618105142032014 (x4)5066671184799

Parts3A1570A 41937513 (x2)636313 (x2)2686924222123ti18024a1515619 (x4)25 (x2)Torque pump locking nuts to 66-74 ft-lbs (90-100 N•m).Apply anaerobic pol

Parts 42 3A1570A262572, Bare Reactor A-25262614, Reactor A-25 with DataTrak and Wheels3413 (x4)6053313 (x4)1249498330292880273132ti18025ati18007a98371

Parts3A1570A 43 Replacement Danger and Warning labels, tags, and cards are available at no cost.† Only used with 262614. Only used with 262572. Inc

Parts 44 3A1570AControl Panel, 262575Air Flowti18002a113111113113113114Apply sealant to all non swiveling pipe threads.Attach ground wire from harness

Parts3A1570A 45Temperature Control Wheel Kit, 262695† Only used with 262614. Available as add on wheel kit 262695.Ref. Part Description Qty.151 16G925

Parts 46 3A1570AFluid Manifold Replacement Danger and Warning labels, tags, and cards are available at no cost.Fluid Inlet Kit, 262695Ref. Part Descr

Parts3A1570A 476 kw Dual Zone Heater, 24J788 1351361354357356362359352358360355353Torque to 120 ft-lbs (163 N•m).Torque to 23 ft-lbs (31 N•m).Torque t

Parts 48 3A1570AA-25 Air Motor Pump Assembly, 262573Apply PTFE tape and sealant to non-swiveling pipe threads.Torque to 88.5-124 in.-lbs (10-14 N•m).T

Parts3A1570A 49Air Tubing ConnectionsRef.Lengthft (m)ConnectionMaterial ColorOutside DiameterFrom To64 0.75 ft (0.23 m) 503 503 UHMWPE Black 5/32 in.

Warnings3A1570A 5FIRE AND EXPLOSION HAZARDFlammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire a

Parts 50 3A1570ABreaker Module, 262576401402413 414403410 (4x)411412403404 (8x)409 408 407 406405403404 (7x)Ref. Part Description Qty.401 16H309 RAIL,

Reactor A-25 Wiring Schematic3A1570A 51Reactor A-25 Wiring SchematicNL2L3DSC 1-4TB13-19T1T2T3L1N380V WYE3 PHASE230V DELTA3 PHASE230V1 PHASEPE2 BRIDG

Reactor A-25 Wiring Schematic 52 3A1570A180181182183184185186187188189190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209

Reactor A-25 Wiring Schematic3A1570A 53102GND2 11 1 1 1 1 1 1 12 2 2 2 2 2 2 21 1 1 1 2 2 2 21 31 31 31 1 1 1 1 1 12 2 2

Reactor A-25 Wiring Schematic 54 3A1570ATO OVERTEMP ATO THERMOCOUPLE ATO THERMOCOUPLE BTO FTSTO OPTIONAL DATA REPORTINGTO HOSETHERMOCOUPLE AOVERTEMP A

Technical Data3A1570A 55Technical Data*Full load amps with all devices operating at maximum capabilities with 210 ft (64.1 m) of hose. ***210 ft (64 m

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th

Warnings 6 3A1570AEQUIPMENT MISUSE HAZARDMisuse can cause death or serious injury.• Do not operate the unit when fatigued or under the influence of dr

Important Two-Component Material Information3A1570A 7Important Two-Component Material InformationIsocyanate Conditions Material Self-ignition Keep Com

Important Two-Component Material Information 8 3A1570AChanging MaterialsChanging the material types used in your equipment requires special attention

Important Two-Component Material Information3A1570A 9DataTrak Diagnostic CodesDataTrak can diagnose several problems with the pump. When the monitor d