
MVT26
October 2003
Section 1
Page 5
3.1.4.2.1 2nd Stage Intermediate Separator .................................................................................................................................... 22
3.1.4.2.2 3rd Stage Intermediate Separator..................................................................................................................................... 22
3.1.5
Compressor Valves and Valve Heads.................................................................................................................................. 23
3.1.5.1
Functional Description...................................................................................................................................................... 23
3.1.5.2
Initial Operational Check of the Valves............................................................................................................................ 23
3.1.5.3
General Instructions for Changing the Valves.................................................................................................................. 23
3.1.5.4
Changing the 1st Stage Valves. ........................................................................................................................................ 24
3.1.5.4.1 Removal Procedure. .......................................................................................................................................................... 24
3.1.5.4.2 Installation Procedure ....................................................................................................................................................... 24
3.1.5.5
Changing the 2nd and 3rd Stage Valves ........................................................................................................................... 25
3.1.5.5.1 Removal Procedure ........................................................................................................................................................... 25
3.1.5.5.2 Installation Procedure ....................................................................................................................................................... 25
3.1.5.6
Changing the 4th Stage Valves ......................................................................................................................................... 26
3.1.5.6.1 Discharge Valve Removal Procedure .............................................................................................................................. 26
3.1.5.6.2 Discharge Valve Installation Procedure........................................................................................................................... 26
3.1.5.6.3 Inlet Valve Removal and Installation .............................................................................................................................. 27
3.1.6
Repair and Troubleshooting................................................................................................................................................. 27
3.1.6.1
Repair ................................................................................................................................................................................ 27
3.1.6.2
Troubleshooting ................................................................................................................................................................ 28
3.1.7
Replacement Parts List ........................................................................................................................................................ 30
3.2
4 Stage Automatic Condensate Drain System ......................................................................................................................... 58
3.2.1
Description........................................................................................................................................................................... 58
3.2.1.1
Compressor Operating ...................................................................................................................................................... 59
3.2.1.2
Condensate Draining......................................................................................................................................................... 59
3.2.1.3
Start Unloading ................................................................................................................................................................. 60
3.2.1.4
Standstill Drainage............................................................................................................................................................ 60
3.2.1.5
Condensate Drain Piping .................................................................................................................................................. 60
3.2.1.6
Electrical Connections ...................................................................................................................................................... 60
3.2.1.7
ACD Timer ...................................................................................................................................................................... 60
3.2.1.8
Condensate Drain Separator ............................................................................................................................................. 61
3.2.1.9
ACD Maintenance ............................................................................................................................................................ 61
3.2.2
Replacement Parts List ........................................................................................................................................................ 62
3.2.3
Trouble shooting .................................................................................................................................................................. 68
No.
Title
Page
SECTION 4: SCHEDULING MAINTENANCE
4.1
Maintenance Schedules............................................................................................................................................................ 69
4.1.1
Initial start-up or after maintenance..................................................................................................................................... 69
4.1.2
Calendar intervals ................................................................................................................................................................ 69
4.1.3
Operating hours.................................................................................................................................................................... 70
4.1.4
Maintenance Records........................................................................................................................................................... 71
No.
Title
Page
SECTION 4: PURIFICATION SYSTEMS
4.1
General..................................................................................................................................................................................... 72
4.1.1
System Configurations......................................................................................................................................................... 72
4.1.2
General Purification System Procedures ............................................................................................................................. 72
4.1.3
Chamber Safety Bore........................................................................................................................................................... 73