Chapter IV – Maintenance
4-11
C
996-0255 rev. b
14) Don gloves or finger cots and carefully using your fingers
slide a new rod “O”ring over the end of the rod.
15) Use Methanol,lens paper and cotton swabs and clean rod
end.
16) Replace the endplate on the laser head, tightening the
screws in an X pattern to compress “O”ring evenly.
17) Repeat steps 11-16 for the other end of laser head. Re-
member at all times the rod should be firmly held in
position by either on endplate or the other.
18) Replace flashlamp “O”rings.
19) Note anode cathode orientation of lamp and insert lamp
into head according to “+” and “-” stickers on side of
head.
20) Install the Teflon backing ring and then the black “O”ring
over the ends of the lamp electrodes. Note: Wet all parts
before reinsertion.
21) Wet the exposed electrode and then replace the white
plastic lamp holders. A firm slowly rotating motion is
best.
22) Once the lamp holders have been slipped over the lamp
electrodes bolt them in place.
23) Place laser head near base cradle and attach lamp connec-
tors at each end.
24) Place the laser head in base cradle and begin to screw the
thumbwheel counter clock wise to reattach the laser head
to its’ cradle. Gently rock the laser head as you tighten
the thumbwheel.
CAUTION:
Ensure rod orientation is still correct. If not, refer to rod
replacement procedures.
NOTE:
Base cradle screw threads are aluminum and can be stripped if
over tightened. A snug fit is adequate.
25) Reattach the thermal switch at the white plastic connector.
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