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MODEL 1000N
D) Removing the Selector Switch Rod:
• Place the top panel on the table in an upside down position.
• Remove the attachment clamp and then remove the metal washer and spring washer. Lift
up the panel in order to remove the selector switch rod.
• The same procedure should be completed in reverse during reassembly.
E) Removing the Galvanometer:
• With the case turned forward, use a Philips screwdriver to remove the two screws which
secure the galvanometer. Use two fingers to gently push aside the two splines that hold the
dial in place. Lift the galvanometer with other hand and remove it.
• The same procedure should be completed in reverse during reassembly.
WARNING: The inner portion of the transparent surface is covered by an antistatic solution. Avoid
rubbing or cleaning this part if you do not have a replacement for this solution.
F) Removing the Bottom Board (disassembling):
• The push-to-measure button must be locked into a lower position.
• With the bottom resting upon the table, unsolder the four wires coming from the high voltage
switch, then the two wires from the transformer (red and black). Remove the screw fastening
the high voltage switch (located on the high voltage board).
• Turn the instrument over and removed the seven screws which secure the bottom board.
• As you pull the high voltage push button outward, turn the bottom board in relation to the
supporting layer.
• At this point all of the components on the bottom board are accessible.
G) Removing the High Voltage Board:
• The high voltage button must be locked into a lower position.
• The bottom board must face downward, toward the table.
• Unsolder the three connecting wires between the high voltage board and the high voltage
switch. Then the two wires from the transformer (red and black).
• Remove the six fastening screws (three of these screws are secured by a flat washer and a
lock washer).
• Turn the high voltage board in relation to the supporting layer.
H) Removing the Measurement Board:
• Remove the bottom and then the high voltage board as described above.
4/21/2005
REPAIR AND CALIBRATION MANUAL
15
REV. 7: March 13, 2004
FILE LOCATION: Manuals - Cal. Man - 1000MAN.DOC
CAT. #185.100
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