Graco A-25 6 kw Dual Zone Heater, 24J788

Parts

3A1570A 47

6 kw Dual Zone Heater, 24J788

351

361

354

357

356

362

359

352

358

360

355

353

Torque to 120 ft-lbs (163 N•m).

Torque to 23 ft-lbs (31 N•m).

Torque to 40 ft-lbs (54 N•m).

Apply 110009 thermal heatsink compound.

Apply sealant and PTFE tape to all non swiveling

and threads without o-rings.

Apply lubricant to o-rings.

Orient rupture disc housing (369) with exhaust

hole pointing towards the bottom of the heater.

3 6 7

1 6

2 5

ti17998a

Ref Part Description Qty.

351 --- HEATER, dual zone 1

352 124132 O-RING 4

353 15H305 FITTING, plug hollow hex

1-3/16 sae

354 121309 FITTING, adapter, sae-orb x

jic

355 15H304 FITTING, plug 9/16 sae 2

356 15H306 ADAPTER, thermocouple,

9/16 x 1/8

357 120336 O-RING, packing 2

358 16A112 HEATER, immersion, (1500w,

230v)

359 15B137 SWITCH, over temperature 1

360 15B135 MIXER, immersion heater 4

361 117484 SENSOR 2

362 --- SCREW, mach, pnh 2

369 247520 KIT, rupture disc 2

Contents

Main Repair-Parts A-25 Air operated, electrically heated, plural component proportioner 3A1570A Contents Proportioner Models Systems Related Manuals Warni ngs Page Page Important Two-Component Material Information Isocyanate Conditions Material Self-ignition Keep Components A and B Separate Moisture Sensitivity of Isocyanates Changing Materials DataTrak Diagnostic Codes Temperature Control Diagnostic Codes E01: High fluid temperature Causes of E01 Errors Checks E02: High zone current E03: No zone current E04: Fluid Temperature Sensor (FTS) or thermocouple disconnected E05: Control board over temperature E06: Communication cable unplugged Communication Diagnostic Codes E30: Momentary loss of communication E99: Loss of communication Before Beginning Repair Pressure Relief Procedure Shutdown Park Flushing Troubleshooting Problems Pumps and Pressures Power Page Electronics Page Heater AB Hose Heat System Page Repair Disconnect Pump Connect Pump Remove Air Motor Install Air Motor Recirculation / Over Pressure Relief Block Air Inlet Filter / Water Separator (Auto Drain) Air Filter Element Removal Air Filter Element Installation Temperature Control Module Test SCR Circuit Replacing Temperature Control Assembly Modules Primary Heater Heater Element Line Voltage Page Thermocouple Overtemperature Switch Heated Hose Check Hose Connectors Check FTS Cables Fluid Temperature Sensor (FTS) Test/Removal Installation Transformer Primary Check Transformer Secondary Check Replace Transformer Replace Circuit Breaker Module Pump Lubrication System Fluid Inlet Strainer Screen Temperature Display Page Replace DataTrak Battery or Fuse Replace Battery Replace Fuse Accessories Recommended Spare Parts Parts Page 262572, Bare Reactor A-25 262614, Reactor A-25 with DataTrak and Wheels Page Control Panel, 262575 Temperature Control Wheel Kit, 262695 Fluid Manifold Fluid Inlet Kit, 262695 6 kw Dual Zone Heater, 24J788 A-25 Air Motor Pump Assembly, 262573 Air Tubing Connections Breaker Module, 262576 Reactor A-25 Wiring Schematic 380V WYE 3 PHASE 230V DELTA 3 PHASE 230V 1 PHASE DISPLAY F L PANEL 2 INCOMING POWER CONTROL HEATER MODULE HOSE HEATER MODULE 2 2 2 2 B-R A-R Simplified Schematic, Heater Controls 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 3 1 3 1 3 2 4 2 4 2 4 50A 178CB 183CB Tech nical Da ta Graco Standard Warranty Graco Information