Repair and Testing Instructions for T1 Page 4
Alternator 0120 689 552
Edition 001
All rights rest with Robert Bosch Corp, including patent rights. All rights of use of reproduction and publication rest with R. B. Corp.
UA/ASV
04.12.98
T1ALTFinal.DOC
10.3
C
OLLECTOR
R
ING
E
ND
S
HIELD
A
SSEMBLY
......................................................................................................... 29
10.4
R
ECTIFIER
A
SSEMBLY
........................................................................................................................................ 30
10.5
S
TATOR
A
SSEMBLY
........................................................................................................................................... 32
10.6
R
OTOR AND
D
RIVE
E
ND
S
HIELD
I
NSTALLATION
.................................................................................................. 32
10.7
R
EGULATOR AND
C
APACITOR
I
NSTALLATION
...................................................................................................... 33
11
FUNCTIONAL TESTING ................................................................................................................................. 35
11.1
G
ENERAL
I
NFORMATION
.................................................................................................................................... 35
11.1.1
Power Output Tests ................................................................................................................................... 35
11.1.2
Voltage Trace Evaluation ......................................................................................................................... 35
11.2
P
OWER
O
UTPUT
T
ESTING
................................................................................................................................... 35
11.2.1
Test Bench Mounting ................................................................................................................................ 35
11.2.2
Power Output Test .................................................................................................................................... 36
11.3
V
OLTAGE
T
RACE
E
VALUATION
.......................................................................................................................... 37
11.3.1
Oscilloscope Hook-up ............................................................................................................................... 37
11.3.2
Normal Pattern ......................................................................................................................................... 38
11.3.3
Open Exciter Diode .................................................................................................................................. 39
11.3.4
Open Positive Rectifier Diode................................................................................................................... 40
11.3.5
Open Negative Rectifier Diode ................................................................................................................. 41
11.3.6
Shorted Exciter Diode............................................................................................................................... 42
11.3.7
Shorted Positive Rectifier Diode ............................................................................................................... 43
11.3.8
Shorted Negative Rectifier Diode.............................................................................................................. 44
11.3.9
Open Phase of Stator ................................................................................................................................ 45
