TM 5-3805-281-24-2
Robert Bosch Alternator Repair
30
ROBERT BOSCH CHARGING CIRCUIT
10
2
SPECIFICATIONS
Rating
John Deere
Robert Bosch
Volts
Amps
Part No.
Part No.
Model/Series
AE53101
9 120 060 042
K1
12 (14)
120
AH137883
0 120 484 011
K1
12 (14)
95
AL78690
0 120 484 016
K1
12 (14)
85
AL78692
0 120 484 017
K1
12 (14)
120
AL78689
0 120 488 267
K1
12 (14)
55
AL81436
0 120 488 290
K1
12 (14)
55
AL81437
0 120 484 020
K1
12 (14)
85
AL81438
0 120 488 019
K1
12 (14)
120
AT161324
0 120 488 206
K1
24 (28)
45
AT168711
0 120 468 136
N1
24 (28)
80
AT173624
0 120 488 205
K1
12 (14)
65
AT175194
9 120 060 041
K1
12 (14)
95
AT175195
9 120 060 039
K1
24 (28)
45
AT175839
0 120 468 055
N1R
12 (14)
135
AT85458
0 122 469 004
N1
24 (28)
50
AZ38462
0 120 484 012
K1
12 (14)
95
RE36267
0 120 484 011
K1
12 (14)
90
RE36268
0 120 468 055
N1
12 (14)
135
Item
Specification
Minimum length of carbon brushes ........................................................................................
5 mm (0.2 in.)
When soldering new brushes, make sure they do not protrude beyond brush bracket by
10 mm (0.4 in.)
more than ...............................................................................................................................
Minimum slip ring diameter ....................................................................................................
26.8 mm (1.055 in.)
Maximum radial run-out of slip rings ......................................................................................
0.03 mm (0.0012 in.)
Maximum radial run-out of rotor shaft ....................................................................................
0.05 mm (0.002 in.)
Stator winding resistance .......................................................................................................
0.40--0.44 ohms
Rotor winding resistance ........................................................................................................
4.0--4.40 ohms
Armature end play ..................................................................................................................
0.1--0.3 mm (0.004--0.012 in.)
Drive and frame-to-end frame ................................................................................................
4.0--5.5 Nm (33--48 lb-in.)
Fan pulley shaft nut ...............................................................................................................
35--45 Nm (25--32 lb-ft)
RG,RG34710,2145
1915MAR971/1
