Jacobsen AR3, Technical/Repair Manual

Page: 131 / 342

4-74 4181384 First Edition
ELECTRICAL
4
Alternator
Removal and Installation
See Figures 4-51 and 4-52.
NOTE
Turbocharged engine shown; naturally aspirated engine
is similar.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-7.)
2. Raise hood.
3. Disconnect the battery negative (–) cables at the
battery.
Figure 4-51
4. Remove the boot (5) from the terminal, and slide it
down the wire.
NOTE
Label all wires before disconnecting to ensure correct
installation.
5. Remove lock nut (2) and disconnect wire (1) from
terminal.
6. Disconnect wiring connector block (4) from the
alternator (3).
Figure 4-52
7. Loosen screw (7) and push the alternator (10) toward
the engine.
8. Remove the fan drive belt (15).
9. Support the alternator (10).
10. Remove screw (7), lock washer (8), and flat washer
(9) from the upper bracket (6) and alternator (10).
11. Remove nut (11), lock washer (12), screw (13), and
flat washer (14), and remove alternator (10).
Installation Notes
• Install the alternator by reversing the order of
removal.
• Adjust fan belt tension. (Refer to “Safety, Operation &
Maintenance Manual”.)
5
TN1052
2
1
4
3
10
TN1053
15
7 8 9
6
11
13 14
12