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 TM 9-2920-225-34
FRAME 4
1.
Check rectifier (1) using multimeter as follows.
NOTE
On ohmmeters that use one 1 1/2-volt dry cell, low resist-
ance readings will be approximately 20 to 30 ohms. On
ohmmeters that use a 3volt dry cell, low resistance
readings will be approximately 10 to 15 ohms.
2.
show low resistance when negative test probe is touched to rectifier
terminals (3, 4, and 5). Get a new rectifier (1) if it does not show correct
reading.
Touch negative test probe of multimeter to screw hole (2). Multimeter must
3.
show infinite resistance when positive test probe is touched to rectifier
terminals (3, 4, and 5). Get a new rectifier (1) if it does not show correct
reading.
END OF TASK
TA103511
2-13
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