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EC-3000 Service & Maintenance Manual
REV 2
This manual describes how to perform the servicing and maintenance of the EC-3000 Hill
Compressor.
TABLE OF CONTENTS
Overview .................................................................................................................................................. 2
Model Specification ................................................................................................................................. 3
Maintenance Schedule ............................................................................................................................. 3
Theory of Operation ................................................................................................................................. 4
Troubleshooting Chart ............................................................................................................................. 5
Safety ....................................................................................................................................................... 6
Maintenance ............................................................................................................................................ 7
1 - How to disassemble and change the compressor side valves ....................................................... 8
2 - How to disassemble and change the compressor final stage valve .............................................13
3 - How to check and change the piston O-rings ...............................................................................16
4 - How to change the oil ...................................................................................................................21
5 – Crank case maintenance ..............................................................................................................22
6 – Replacing burst disc .....................................................................................................................24
Fuses ......................................................................................................................................................24