Instruction manual

8. Maintenance
8-22
RF-20A/20Axs
 For the RF-20A:
1
Unscrew the fixing screw for the emission mirror
with a hexagon wrench (1.5 mm across flats).
(The screw need not be removed.)
Fig. 8.30
2
Remove the spacer, emission mirror and packing
from the cell housing.
If the packing is difficult to remove, use forceps.
3
Moisten a piece of clean gauze or wiper cloth with
2-propanol and use it to wipe off the dirt on the
emission mirror.
∗ If the dirt cannot be removed, replace the
emission mirror with a new one.
Fig. 8.31
Cell housing
Hexagon wrench
Fixing screw for
emission mirror
Packing
Emission mirror
Spacer
Bottom face of
the cell housing
Cell housing