FEI Quanta FEG 250, User'S Operation Manual

Page: 136 / 228

Maintenance and Troubleshooting: The Standard Insert
8-4
The Standard Insert
The following tools and procedures are used to install and remove the
standard insert from the lens pole and to assemble Pressure Limiting
Apertures and the Insert body.
REMOVING AND DISASSEMBLING
The following instructions describe how to remove and disassemble
the standard insert assembly.
FIGURE 8-1 STANDARD INSERT COMPONENTS
1. Insert the universal detector tool (found in the accessory toolbox)
pins into the matching slots in the insert assembly. Once the pins
are engaged, twist
counter-clockwise to unscrew the insert from
the pole-piece.
FIGURE 8-2 UNIVERSAL DETECTOR TOOL
2. Use the Aperture Positioning Tool to remove the C-clip and final
apertures from the insert. To do this, insert the pin of the tool into the
wide end of the insert and push the parts out of the narrow end of
the insert. Be sure the parts have a safe, clean place to drop onto.