TESTING -714670559

5-2420-224-34

ALTERNATOR REPAIR (CONT)

Test rotor assembly (1) as follows:

a . With ohmmeter connected between rotor end (2) and either of two slip rings (3), no

reading should be obtained. If any reading is obtained, rotor coil (4) is grounded and must

be replaced.

b . Check rotor coil (4) resistance by connecting ohmmeter across both slip rings (3). If

resistance is greater than 9.0 ohms, rotor assembly (1) must be replaced.

Test stator (5) as follows (note each reading):

a. Connect one ohmmeter lead to bare metal surface on stator lamination (6). Connect other

lead to each of four stator (5) terminals. High resistance reading should be obtained each

time. If there is no reading or ohmmeter reads zero, replace stator (5).

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