Removing.the.ion.volume; Removing.the.old.filament - Ametek Dycor DM100 User Manual

• needle nose pliers,
• 5/64" hex wrench (supplied by AMETEK/Dycor),
• filament assembly kit (supplied by AMETEK/Dycor),
• latex gloves - powder-free (optional).
Handling the filament by the shorting tabs on the filament plate will

ensure against contamination through handling since these tabs will
eventually be discarded.
NOTE
removing the lcd electronics from the quadrupole head
Always remove 24 VDC power from the LCD electronics before
removing the electronics from the sensor.
•
After powering down the Ethernet LCD, carefully use the tightening knobs
on the sides of the LCD to unlock the electronics from the quadrupole head.
•
Once loosened, gently pull straight back on the LCD, without twisting, until
it is free of the head. Do not remove the cabling from the LCD electronics.
replacing the filament
1. Remove the six (6) ¼-28 bolts that fasten the quadrupole head 10-pin
feedthrough to the vacuum system.
2. Remove and discard the copper gasket. DO NOT TRY TO REUSE THE
GASKET.
3. Position the quadrupole head so that it is pointing up and is secure.
Removing the ion volume
The ion volume on the enclosed source must be removed to replace the filament.
Using a hex wrench, remove the lock screw on the collar holding the ion volume
to the source (see Figure 5-2). Carefully remove the ion volume and set it aside.
Removing the old filament
The filament plate is held in place by two (2) socket-head cap screws threaded
Maintenance & Troubleshooting
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