GE AMX-II User Manual

GENERAL ELECTRIC MEDICAL SYSTEMS AMX-il X-RAY UNIT
10-377 SM A0654E
5. Remove the timer switch assembly. See llustration 4-10.
a. Remove the two screws, spacers, and nuts holding the assembly to the mounting plate.
b. Pull the assembly out from the side.
NOTE: SEE CAUTION. The dashpot is glass.
6. Remove the plastic cap from the back of the assembly.
7. Turn the socket head set screw on the back of the assembly CCW to shorten the interval (turn the
screw only small increments at a time).
8. Depress the button and check the time interval. Listen for the audible click in the snap action
switch. Replace the plastic cap when the adjustment is satisfactory.
9. Replace the timer-switch assembly, trim cover, light cable, connector housing cover, nameplate
and knobs. Also replace the spring and the plunger knob.
For G2 collimators w/electronics timer:
1. Remove the knobs and nameplate per instructions in Sec. 4-1.
2. Adjust potentiometer on timer circuit board located below timer button for desired timing.
3. Replace nameplate and knobs.
SEC. 5 COLLIMATOR CHECKS AND ADJUSTMENTS
General
The collimator blade and shutter assemblies were factory aligned. Realignment in the field is not
recommended. The following adjustments, however, should be checked and readjusted if necessary.
Where instructed record data on Form F3382, "System Field Tests for HEW Compliance,” or
Form F3316, “PMS Data Record-Mobile Generator 1.”
NOTE: The mirror should NEVER be moved.
5-1 Crosshair Position Check and Adjustment
1. Position the tube unit and collimator perpendicularly over a smooth surface such as a tile floor.
Using the collimator measuring tape, set the SID at 40”. (1.016 m).
2. Darken the room and energize the field light.
The illuminated area on the cassette should show equal rectangles of light on either side of the crosshair
shadows as each set of blades is moved toward the closed position.
3. If adjustment is necessary, proceed as follows:
a. Slightly loosen the two rear screws in each cone track.
b. Slide the plastic window with the fingertips or tap the frame with a screwdriver until alignment
is satisfactory.
с. Re-tighten the cone track screws.
4-15

GE AMX-II Specifications

General

Brand	GE
Model	AMX-II
Category	Medical Equipment
Language	English