TM 5-3805-281-24-2
Robert Bosch Alternator Repair
30
10
If no fault is found in the above described test, carry out
9
this test with reversed polarity (see illustration).
Meter must show continuity.
NOTE: Test voltage 6--12 volts DC.
RG,RG34710,2161 1915MAR972/2
CHECKING NEGATIVE DIODES
Consecutively place positive test probe of ohmmeter to
positive heat sink (B) and negative test probe to leads (A)
of diodes.
Meter must not show continuity.
RG,RG34710,2162 1915MAR971/2
If no fault is found in the above described test, carry out
this test with reversed polarity (see illustration).
Meter must show continuity.
NOTE: Test voltage 6--12 volts DC.
RG,RG34710,2162 1915MAR972/2
TESTING EXCITING DIODES
Place positive test probe of an ohmmeter on connection
"D+" (B) and negative probe onto diode lead (A).
Meter must not show continuity.
Continued on next page
RG,RG34710,2163 1915MAR971/2