POWERDRIVE 3 – MODEL 26560
Test Procedures
2008-2011 Domestic Battery Charger Maintenance and Service Manual
Page 6-21
6
4. Using a multimeter set to the diode test function (
ç
), place the black (–) probe of the multimeter on the
positive (+) terminal of the rectifier. Move the positive (+) probe to each of the remaining three rectifier
terminals and note the readings
(Figure 6-18, Page 6-20)
.
4.1. The multimeter should indicate approximately 922 mV with the positive (+) probe on the negative
(–) rectifier terminal.
4.2. The multimeter should indicate approximately 496 mV with the positive (+) probe on one of the AC
rectifier terminals.
4.3. The multimeter should indicate approximately 496 mV with the positive (+) probe on the other AC
rectifier terminal.
4.4. If any other reading is obtained, the rectifier has failed and must be replaced.
5. Using a multimeter set to the diode test function (
ç
), place the black (–) probe of the multimeter on the
negative (–) terminal of the rectifier. Move the positive (+) probe to each of the remaining three rectifier
terminals and note the readings
(Figure 6-19, Page 6-20)
. The multimeter should indicate an overload
(no continuity) for all three of the remaining rectifier terminals. If any other reading is indicated, the rec-
tifier has failed and must be replaced.
6. On rare occasions, the rectifier may fail as a result of a lightning strike at the charging location.
7. Ensure that the charger is wired properly and all connections are clean and tight.
See following CAU-
TION.
CAUT ION
• If connections are not clean and tight, excessive heat will be created and the charger may
become damaged.
TEST PROCEDURE 5 – CHARGER DC CIRCUIT CONTINUITY TEST
See General Warning, Section 1, Page 1-1. See additional WARNING on page 6-1.
1. Disconnect the AC cord from the wall outlet and the DC cord from the vehicle charger receptacle.
2. Using a multimeter set to the diode test function (
ç
), place the positive (+) probe of the multimeter on
the pin marked positive (+) on the DC plug
(Figure 6-20, Page 6-21)
. Place the negative probe (–) on
the pin marked negative (–). The multimeter should indicate an overload (no continuity).
Figure 6-20 DC Plug Test
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
POSITIVE PIN
NEGATIVE PIN
PULL HERE
PULL HERE
PULL HERE
PULL HERE
DIODE (
ç
) SETTING
Summary of Contents for 2008-2011
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