GE AMX-II

GENERAL ELECTRIC MEDICAL SYSTEMS AMX-ll X-RAY UNIT
1-981 SM A0654E
A Indicates Change
SEC. 8 PRELIMINARY ELECTRICAL CHECKS
The purpose of this section is to make preliminary non x-ray checks of Control Transformer and Tube Unit
before installing collimator.
NOTE: The battery which: was precharged before installation should have a terminal voltage of at
least 120 volts. If the battery voltage falls into the RED “LOW” region during the installation
procedure, temporarily charge the battery per Section 18 for approximately one hour before
proceeding.
81 Calibrate Battery Condition Meter, 5M1
NOTE: If battery was recently charged, the 4A1 Board should be allowed to cool before starting this
procedure. Remove cover and open Operators Panel and cool for a minimum of 15 minutes.
Initial Condition: | 8 i 9 | io
@ Main Circuit Breaker and Keyed Switch 一 OFF
e Battery installed and charged
val —
СНАЯСЕ |
OFF i
e
Remove
x-ray
control
cover.
Leave
cover
aus
|
off
for
remainder
of
tests.
(60400
| 3781-28
4AiR9
470
instrumentation:
4 a. Connect 0.5K, 2 watt potentiometer in A
series with Gray lead, to 3TB1-26. See / M
11. 4-11-18.
А!
$37 ㅠ - 어
44107 SD one
.
2N697\ „ЛУ 230 14
b. Connect the digital voltmeter across 4A 1-2 (+)
and 4A 1-11 (-). Set on 200 VDC scale.
c. Arrange test leads so that Operator's Panel can
be closed without causing shorts. sma?
1. Close Operator's Panel and mechanically zero 5M1. B >
4AICR22
& 141773
2. Open Operator's Panel. Turn main circuit breaker Eyi
and keyed switch ON. Adjust 0.5K potentiometer MM —
for 110+/-1V on Digital Voltmeter. Allow warm- wan
up for 15 minutes. | 25
| E
3. Open Operator’s Panel and adjust 4A2R 10 for 5M1
reading on black mark between red and green bands. 一
4 Carefully close Operator's Panel and check 5M1. Fs
5. Turn main circuit breaker and keyed switch OFF. + ーー を F
Disconnect D.V.M. and 0.5K potentiometer leads. 22104021
Reconnect Gray lead to 3TB1-26.
6. Record Battery Circuit calibration on PMS Form ILLUSTRATION 4-11-18
3316, Functional Check No. 9.
411-19