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Page Title:
Table 3-3. Troubleshooting Test Procedures |
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  TM 11-6130-392-34
Table 3-3. Troubleshooting Test ProceduresContinued
Column 2
Column 1
Column 3
Test Procedure
Malfunction Indication
Reference, or Instruction
a. Each channel shows more than 50 mA
a. Send to next higher maintenance level
(11) Set all CURRENT SET switches to
reading.
200 mA position. Set all FINE ADJ
b. At least one channel, but not all, reads
b. Go to Test 9, para 3-12
c o n t r o l s fully counterclockwise.
more than 50 mA.
Rotate CHANNEL SELECT switch
to each of 5 channels. Check current
reading at each position; to be less
than or equal to 50 mA each.
(12) Set all CURRENT SET switches to
One or more channels shows reading of
Send to next higher maintenance level
700 mA position. Repeat same proce-
more than 200 mA.
dure as in (11).
(13) Set all CURRENT SET switches and
One or more channels reading less than 700
Send to next higher maintenance level
FINE ADJ controls for full scale
mA.
p a n e l meter reading of 700 mA.
Rotate CHANNEL SELECT to each
of 5 channels. Check current reading
of 700 mA.
(14) Set all CURRENT SET switches to
Not within limits . . . . . . . . . . . . . . . . . . . . .
Turn POWER switch to OFF. Replace
50 mA position, using a stopwatch,
A12 per section IV, para 3-16 and Test
press START TIME switch and start
per section V
stopwatch. Record exact time taken
b y CHARGE TIME HOURS RE-
MAINING display to change from
18.8 to 18.7. (Do not wait more than 7
minutes for change.) Limits are:
Low 5 minutes, 42 seconds
High 6 minutes, 18 seconds
(15) S e t C H A R G E T I M E H O U R S
One or more digits are displayed, when
Turn POWER switch to OFF. Replace A12
R E M A I N I N G to read 0 0 . 0 . Press
START TIME is released.
per section IV, para 3-16 and Test per
START TIME switch. Check display;
section V
to read .0 with button depressed, and
to go blank when released.
(16) Check panel meter reading. . . . . . . . .
Shows a current flow . . . . . . . . . . . . . . . . . . . .
Turn POWER switch
to OFF. Replace
A12 per section IV,
para 3-16 and Test
per section V
(17) S e t C H A R G E T I M E H O U R S
Display shows 09.9 instead of 9.9 . . . . . . . .
Turn POWER switch
to OFF. Replace
REMAINING to 09.9. Press START
A12 per section IV,
para 3-16 and Test
TIME switch. Check display; to read
per section V
9.9.
(18) S e t C H A R G E T I M E H O U R S
Turn POWER switch to OFF. Replace A12
Display shows 0.9 or 00.9 instead of .9 . . . .
R E M A I N I N G to read 0 0 . 9 . Press
per section IV, para 3-16 and Test per
START TIME switch. Check display;
section V
to read .9.
(19) Repeat, as in (18), with setting at:
Turn POWER switch to OFF. Replace
Display does not show same as setting. . . .
17.7
A12 per section IV, para 3-16 and Test
16.6
per section V
15.5
14.4
13.3
12.2
11.1
10.0
(20) S e t C H A R G E T I M E H O U R S
Display not 18.8 . . . . . . . . . . . . . . . . . . . . . .
Go to Test 10, para 3-12
R E M A I N I N G to read 1 8 . 8 . Press
START TIME switch. Remove pow-
er cable from 115 VAC input source.
Using a stopwatch; time 10 seconds
and reconnect power cable. Check
display; to be unchanged.
3-5
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