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GENERAL
ELECTRIC
MEDICAL
SYSTEMS
AMX-It X-RAY UNIT
7-1576
'
SM A0654E
8.
Turn the charger off when battery voltage reaches 110 volts. Turn circuit breaker OFF, remove the
lamp load in series with DC ammeter and reconnect ammeter. Be sure meter polarity is correct.
9.
During the remainder of the charge it will be necessary to monitor and record the charge current at
1/2 hour intervals so as to calculate the total ampere-hour charge input to the battery. Prepare a table
as shown below to record the data.
The table shows typical data during the initial charge of a new battery.
CHANGE INPUT
TO BATTERY
DATE &
HOUR
INTERVAL
BATTERY
CHARGE
CURRENT
INTERVAL
ACCRUED
TIME
FROM STEP 10
VOLTAGE
END OF INTERVAL
AMP-HOURS
AMP-HOURS _
6/27
12:07
0.0
117.4
_
2.5
一 一
一 一
12:37
0.5
122.1
2.1
1.05
1.05
13:07
1.0
122.6
2.5
1.25
2.30
13:37
1.5
123.0
2.4
1.2
3.50
14.07
2.0
123.4
2.5
1.25
4.75
14:37
2.5
123.8
2.4
1.2
5.95
15.07
3.0
124.2
2.4
1.2
7.15
15:37
3.5
124.5
2.4
1.2
8.35
16:07
4.0
124.8
2.3
1.15
9.50
16:37
4.5
125.1
2.3
1.15
10.65
17:07
5.0
125.3
2.3
1.15
11.80
Overnight Shutdown
6/28
98:00
5.0
119.4
.
2.7
——
一 一
08:30
5.5
125.3
2.3
1.15
12.95
09:00
6.0
125.7
2.2
1.1
14.05
09:30
6.5
126.1
2.3
1.15
15.20
10:00
7.0
126.3
2.2
1.1
16.30
10:30
7.5
127.1
2.2
1.1
17.40
11:00
8.0
127.6
2.1
1.05
18.45
C/10 Charge Rate
11:15
8.0
126.2
1.3
0.65
19.10
11:45
8.5
129.1
1.3
0.65
19.75
12:00
8.75
131.5
1.3
0.325
20.075
'Charger Cut-off; Overcharge
12:15
8.75
130.5
1.3
一 一
一 一
12:30
9.0
133.5
1.3
0.325
20.40
13:00
9.5
139.8
1.3
0.65
21.05
3-18
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