Section 06: ELECTRICAL
PA1593
29
FIGURE 23: TWIN BOSCH ALTERNATORS
INSTALLATION
5. Fix lower and upper alternators loosely to
alternators support assembly using bolts (5,
figure 23). Also, mount the lower and upper
alternators onto alternators arched support.
If removed install stone guard below lower
alternator.
6. In order to assure installation, it is important
to tighten the alternator mounting bolts in
the following order (figure 24).
1
st
Nut A, 43 lb-ft.
2
nd
Nut B, 43 lb-ft (2x).
3
rd
Nut C, 80 lb-ft (2x)
FIGURE 24: ALTERNATOR MOUNTING - TIGHTENING
SEQUENCE
7. Mount pulleys (6, figure 23) onto alternators.
Torque tighten to 58 Lb-Ft.
8. Install alternators belt (figure 22).
NOTE
Final tightening of the pulleys can be
performed once the belt is installed. This will
help keep the pulley from turning when
tightening.
5.1 ALTERNATOR BRUSH REPLACEMENT
1. Disconnect the electrical harnesses and
remove the alternator.
2. Remove the cover located on the rear side
of the alternator.
3. Dismount the brush holder and voltage
regulator assembly. To do so, remove the 3
screws indicated with arrows.
FIGURE 25: BOSCH HD10 BRUSH HOLDER MOUNTING
SCREWS
4. Install the new brush older and tighten the
screws.
5. Reinstall the cover. Tighten screw and nuts.
6. Reinstall the alternator loosely.
FIGURE 26: TWIN BOSCH HD10 CONNECTIONS
7. Connect ground harness and (+) positive
cable on the lower alternator as shown
(figure 26).
8. In order to assure proper installation, it is
important to tighten the alternator mounting
bolts in the following order (figure 24).
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