ALTERNATOR
Alternator Components and Functions (12V / 80A)
12/05
6LY3 Service Manual
11-9
© 2007 Yanmar Marine International
Alternator Characteristics
The standard output characteristics of this
alternator are shown in Figure 11-5.
Figure 11-5
Figure 11-5
1 – 13.5V Constant
2 – Alternator Speed
3 – Output Current (A)
Inspecting the Alternator
1. Inspect both belts for any cracks, stickiness or
visual signs of wear.
2. Check that there is clearance (Figure 11-6, (1))
between the bottom of the belts and the bottom
of the pulley grooves.
3. Check the belt tension.
4. Make sure all of the connections and terminals
on the alternator are tight.
5. Verify that all wires terminate properly in their
connectors.
6. Rotate the alternator and listen for any unusual
sounds.
Figure 11 -6
Figure 11-6
1–Clearance
0
20
100
80
60
40
02468 10 x 10
3
(1)
(3)
(2)
0006276
(1)
0006277
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