Graco 482 Series User Manual

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List of Models
The following table provides a summary of the automatic metering valves (AMV) that are described in this manual.
Part No.
Model Description
C02021 482-B Same as C02022 with the addition of a 7/8–18 UNS-2A threaded boss for mounting.
C02022 482-C This is the basic AMV.
C02025 482-E Same as C02022 but with a 1/4” NPT outlet.
C02026 482-HA Same as C02022 with the addition of a handle.
C02027 482-MS Same as C02021 with the addition of a seal fluid cartridge and a screw to plug the
normal 7/16–20 mounting hole. The 7/8–18 UNS-2A threaded boss must be used for
mounting. (The 7/8–18 UNS-2A thread is an uncommonly used external thread).
Table of Contents
List of Models 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground the System 6. . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Relief Procedure 7. . . . . . . . . . . . . . . . . . .
How the Metering Valve Operates 7. . . . . . . . . . . . .
Adjusting the Valve 7. . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AMV Disassembly (C02021, C02022,
and C02025) 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AMV Reassembly (C02021, C02022,
C02024, and C02025) 11. . . . . . . . . . . . . . . . . . . . . .
AMV Disassembly (C02026) 12. . . . . . . . . . . . . . . .
AMV Reassembly (C02026) 13. . . . . . . . . . . . . . . . .
AMV Disassembly (C02027) 14. . . . . . . . . . . . . . . .
AMV Reassembly (C02027) 14. . . . . . . . . . . . . . . . .
Parts 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Part No. C02022 15. . . . . . . . . . . . . . . . . . . . . . . . . . .
Part No. C02026 16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Part No. C02027 17. . . . . . . . . . . . . . . . . . . . . . . . . . .
Part No. C02078 18. . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Kit C02023 19. . . . . . . . . . . . . . . . . . . . . . . . .
Repair Kit C02028 19. . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Nozzles 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Needle Instalation Tool 918482 20. . . . . . . . . . . . . .
Technical Data 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty 24. . . . . . . . . . . . . . . . . . . . .
Graco Phone Numbers 24. . . . . . . . . . . . . . . . . . . . . . .

Graco 482 Series Specifications

General

Brand	Graco
Model	482 Series
Category	Control Unit
Language	English