Model 979 Series Helium Mass Spectrometer Leak Detector
4-16
DRAFT 9/15/03
4.3.5 Remove the Magnetic Poles
1. Remove the 4 slotted screws
➀
to free the magnet pole piece
➁
(Figure 4-17).
Figure 4-17
Magnetic Pole Piece
2. Pick up the spectrometer tube body and tilt it over to remove the magnetic pole piece.
3. Remove the O-ring from the magnetic pole piece and place both the O-ring and the
magnetic pole piece on a clean surface (Figure 4-18).
Figure 4-18
Removing the O-ring from Magnetic Pole Piece
➀
➁
Summary of Contents for 979 Series
Page 139: ......
