Hitachi TM3030 Plus Instruction Manual page 260

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 as to
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
Pipe 2
Holder Condenser
lens aperture
5 - 23
Condenser lens
aperture
Holder Pipe holder
Condenser lens aperture