Hitachi TM3000 Instruction Manual page 238

Top holder
Condenser
lens aperture
8. When handling the condenser lens aperture, use caution since it is thin and easily to
deform. Scratches and particles present on the edge of the open hole can cause a decline in
image quality. Grasp the periphery of the aperture with tweezers so prevent any scratch in
the center hole.
Holder
Pipe holder
Pipe 1
Holder
Condenser
lens aperture
Figure 5.3-5 Disassembling the Liner Tube
Figure 5.3-6 Condenser lens Aperture
Pipe 3
Holder
Pipe 2
Condenser
Holder lens aperture
5 - 21
Condenser
lens aperture
Pipe holder
Condenser lens aperture