Extrel MAX300-RTG - Page 4

MAX300-RTG Installation Manual
4
KL1408 – (8) digital input, 24VDC ................................................................................................................ 49
Relay Output .................................................................................................................................................... 49
KL2612 (2) Relays ........................................................................................................................................... 49
Distributed Control System (DCS) ................................................................................................................ 50
INSTRUMENT START-UP .......................................................................................................................................... 51
General Start-up Procedure ........................................................................................................................... 51
MAX300-RTG HARDWARE MAINTENANCE ........................................................................................................... 53
VENTING THE VACUUM SYSTEM ............................................................................................................................. 53
Figure 29: Pump Configuration on VacTrac ..................................................................................................... 55
Pump Maintenance ......................................................................................................................................... 56
Turbomolecular Vacuum Pump ..................................................................................................................... 56
Mechanical Vacuum Pump ............................................................................................................................ 57
Inlet Valves ....................................................................................................................................................... 58
CHANGING THE INLET ............................................................................................................................................. 59
CHANGING THE IONIZER ASSEMBLY ....................................................................................................................... 64
QUADRUPOLE MASS FILTER .................................................................................................................................... 67
Quadrupole Collar Shield Disassembly ....................................................................................................... 69
QUADRUPOLE CLEANING ........................................................................................................................................ 70
QUADRUPOLE REASSEMBLY AND VACUUM CHAMBER INSTALLATION ................................................................... 72
ELECTRON MULTIPLIER REMOVAL AND REPLACEMENT ........................................................................................ 74
REMAINING COMPONENTS IN THE ENCLOSURE ........................................................................................................ 77
RESONATING THE QUADRUPOLE POWER SUPPLY (QC) ....................................................................................... 77
DATA SYSTEM ......................................................................................................................................................... 79
AIR CONDITIONER ................................................................................................................................................... 79
VALVE BOX HEATER (OPTIONAL) ........................................................................................................................... 81
Figure 52: Valve Box Heater, T4, standard option ............................................................................................ 82
Figure 53: Valve Box Heater, high temperature T4 and T3 options .................................................................. 83
CORROSIVE PUMP OPTION ....................................................................................................................................... 83
MAX300-RTG Preinstallation Checklist 85