SkyTrak 3606 Service Manual - Manual (Page 361)

Electrical System
10-43 Model 3606 • Origin 10/99
10.7.1 Alternator
There are two types of 65-amp alternators used. Vehicles
equipped with Perkins engines use a Perkins alternator.
Vehicles equipped with Cummins engines use a Bosch
alternator.
a. Perkins Alternator Removal
1. Disconnect the negative (-) battery cable (Fig. 10– 33)
at the negative (-) battery terminal.
Figure 10– 33. Disconnect the negative (-) battery cable
at the negative (-) battery terminal.
2. Label all wiring at the rear of the alternator.
Disconnect the three-wire plug at the rear of the
alternator.
3. Label or tag the alternator wires. Remove the nut
securing the two ground wires to the alternator. Move
the three-wire plug and the two ground wires out of
the way.
Figure 10– 34. Label and disconnect the alternator wire
connector and both ground wires.
4. Loosen the upper hex-head capscrew (1, Fig. 10– 35)
and lower hex-head capscrew (10) slightly. In order to
loosen the lower screw (10), a wrench may need to
hold the self-locking nut (8) in position. Rotate the
alternator toward the engine and move the fan belt
(20) out of the way.
5. Remove the screw (1), lockwasher (2), and flat
washer (3) securing the lever (6) to the tapped hole in
the alternator (22).
6. Remove the screw (4), lockwasher (5), lever (6) and
spacer (7) from the tapped hole in the engine block.
7. While supporting the alternator (22) so it does not
fall, remove the self-locking nut (8), washer (9), screw
(10), and two sleeves (11 and 12). Remove the
alternator from the vehicle.
8. If required, remove the hex nut (13), lockwasher (14),
flat washer (15) bracket (16) and stud (17).
9. If required, remove hex nut (18), lockwasher (19), belt
(20), and pulley (21).
PERKINS ENGINE
OS1040
Negative (-)
Terminal
MS1560
Ground
wires
Three-wire plug
Alternator