Precision II Operation and Maintenance Manual C
4-10
996-0255 rev. b
1) Study exploded head drawing.
2) Turn off main breaker located on the front right hand side
of electronics cabinet.
CAUTION
Turn off the night-time water pump by flipping the switch on
the rear panel of the power supply.
3) Disconnect head plug cables at rear of laser bench (large
green military style connectors). Label each cable for
correct reconnection.
4) Disconnect the thermal switch at the white plastic connec-
tor.
5) Release the laser head from its’ base cradle plate by
screwing clockwise (viewed from above) the thumbwheel
located below the laser head.
6) Use your fingers to gently pull off the lamp connectors
from the lamp electrodes.
7) Remove the laser head from the bench and place it on a
solid, flat work area.
8) Use a 2.5 mm Allen wrench to remove the Allen bolts
holding the white plastic lamp holders at each end of the
laser head.
9) With a cotton swab wet each end of the exposed
flashlamp electrode, and then gently remove the white
plastic lamp holders.
10) Press firmly on either flashlamp electrode and pull on the
other electrode to remove the lamp. Rap the lamp in lens
paper and place to the side.
11) Select either end of the laser head and using a 2.5 mm
Allen wrench remove the four screws holding that one
rod endplate. Remember only loosen one endplate.
12) Grasp firmly the central body housing in one hand and
the loosened endplate in the other and slowly slide the
endplate directly away from the central body. Exercise
caution so that no shear force is placed on the YAG rod.
13) The rod “O”ring should now be visible. Use a blunt soft
probe (end of cotton swab) to help slide the “O”ring off
the end of the rod.
To Next Page
Loading...
Need help?
General