Graco A-25 important safety instructions Contents

Contents

Proportioner Models	. 3	Fluid Circulation	30
Systems	. 3	Circulation Through Reactor	30
Related Manuals	. 3	Circulation Through Gun Manifold	31
Warnings	. 4	DataTrak Controls and Indicators	32
Important Two-Component Material Information . 7		DataTrak Operation	33
Isocyanate Conditions	. 7	Setup Mode	33
Material Self-ignition	. 7	Run Mode	33
Keep Components A and B Separate	. 7	Maintenance	34
Moisture Sensitivity of Isocyanates	. 7	Diagnostic Codes	35
Foam Resins with 245 fa Blowing Agents	. 7	Temperature Control Diagnostic Codes	35
Changing Materials	. 8	DataTrak Diagnostic Codes	35
Typical Installation, without Circulation	. 9	Dimensions	36
Typical Installation, with Circulation	10	Technical Data	37
Component Identification	11	Graco Standard Warranty	38

Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Temperature Controls and Indicators . . . . . . . . 13

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Locate Reactor A-25 . . . . . . . . . . . . . . . . . . . . . 15 Determine Power Source . . . . . . . . . . . . . . . . . 15 Electrical Requirements . . . . . . . . . . . . . . . . . . 15 Configure to Supply Power . . . . . . . . . . . . . . . . 16 Ground System . . . . . . . . . . . . . . . . . . . . . . . . . 18 Iso Pump Lubrication System Setup . . . . . . . . . 18 Fluid Supply Connections . . . . . . . . . . . . . . . . . 18 Air Supply Connection . . . . . . . . . . . . . . . . . . . 18 Recirculation / Pressure Relief Lines . . . . . . . . 19 Install Fluid Temperature Sensor (FTS) . . . . . . 19 Connect Heated Hose . . . . . . . . . . . . . . . . . . . . 19 Close Gun Fluid Inlet Valves A and B . . . . . . . . 20 Connect Whip Hose to Gun or Gun Fluid Manifold

20

Initial Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Pressure Check Hose . . . . . . . . . . . . . . . . . . . . 21

Set Temperatures . . . . . . . . . . . . . . . . . . . . . . . 22

Supply Wet-Cups with Throat Seal Liquid . . . . . 23

Spraying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Spray Adjustments . . . . . . . . . . . . . . . . . . . . . . 25

Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Pressure Relief Procedure . . . . . . . . . . . . . . . . . . 26

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Daily Start-up Procedure . . . . . . . . . . . . . . . . . . 28

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