Instruction manual

8. Maintenance
8-24
RF-20A/20Axs
8.3.5 Cleaning the Excitation Lens
Parts used
 Cleaning the Excitation Lens
1
Remove the fixing screw for the excitation lens
from the right side of the cell housing.
2
Remove the excitation lens from the cell housing.
3
Moisten a piece of clean gauze or wiper cloth with
2-propanol and use it to wipe off the dirt on the
excitation lens.
∗ If the dirt cannot be removed, replace the
excitation lens with a new one.
Fig. 8.34
 Fitting the Excitation Lens
NOTE
• Be sure to fit the cell in the cell housing before fitting
the excitation lens.
• Fit the excitation lens with its convex side faces toward
the outside of the cell housing.
• When fitting the fixing screw for the excitation lens, do
not tighten it any more strongly after it has made
contact with the fixing screw.
!CAUTION
• Do not subject the excitation lens to ultrasonic
cleaning.
This could damage the excitation lens.
Part Name Part Type Part No.
Excitation lens Replacement part 228-48699-01
Cell housing
Excitation
lens
Fixing screw for
excitation lens