GE AMX-II User Manual

GENERAL ELECTRIC MEDICAL SYSTEMS AMX-H X-RAY UNIT
6-978 SM A 0654E
SEC. 4 COLLIMATOR CHECKS
41 Field Light Check
Initial conditions: © Main power circuit breaker-ON
X-ray generator standby switch—ON
Battery charge indicator green band
Charger cord disconnected.
OPERATOR RESULTS EXPECTED SERVICE REFERENCE
1a. Position tube unit
and collimator to project
light field on smooth,
surface such as a tile
floor at 40” SID. (1.016 m)
b. Darken room and Field tight should energize and remain on Chapter 8, Section 8
press lite button on for 15 to 20 seconds unless modified per
collimator. Open Chapter 4, Sec. 4-2.
collimazor blades. Light pattern should be of uniform brightness
(no shadows or blotches) with sharply defined
edges approx. square with floor.
2a. Remove the blade To provide required illumination, lamp voltage
control knobs and the must be no less than value listed.
nameplate from the
front oi the colli-
mator.
b. Measure No-Load No Load Min. Lamp Voitage (VAC) | Step down transformer
battery voltage at Battery Voltage RMS Ref. Fluke 8000A |8T1. Tap selection
3TB1-27(+)
to
3TB1-5(-).
Chapter
4,
Section
4-5.
128 22.2 24.3
126 22.0 24.1
124 21.7 23.8
122 21.4 23.5
120 21.1 23.1
118 20.7 22.7
116 20.3 22.3
114 19.9 21.9
112 19.5 21.5
110 19.0 21.0
c. With the field light
energized measure the
voltage across the lamp
socket terminals. *
d. Replace nameplate
and blade control knobs.
5-15

GE AMX-II Specifications

General

Brand	GE
Model	AMX-II
Category	Medical Equipment
Language	English