Technical data
e.
Apply
all
load Including the
lamps.
f.
Increase
engine
speed
until
normal
alternator
speed
is
attained.
Read
the
maximum
indication of the
ammeter at
13.5
V
of
voltmeter indication. Output
current must conform to the specification.
AHernator
Removal
1. Disconnect the battery
cable.
2. Disconnect the
lead
wire from terminal
"S"
on
the back
of the alternator.
3. Disconnect the alternator connector.
4.
Loosen
the alternator brace bolt
and
support
bolt.
Push
the alternator toward the
engine
and
remove
the
fan
belt.
5. Dismount the alternator.
Alternator
Disassembly
1.
Remove
the three through
bolts.
2.
Heat
the
rear
bracket around the
rear
bearing
up
to
50
-60° C
(with
a solder iron)
and
separate
the bracket
from the stator
coil.
CAUTION
Ammeter
r-----~+~Ar-----~~
Checking
for
Output
Characteristic
Terminal
Current
I
voltage (V)
(A) I
I
15A
14
0
I
I
I
:
No-load
1
35A
14
8
I
output
I
50A 13.5
24
15A
14
15
maximum
Loaded
35A
14
30
output
maximum
50A 13.5
50
maximum
Pry
open
the alternator with a screwdriver
blade
inserted
into the clearance
between
the stator
core
and
front bracket.
Se
careful
not to insert the
blade
too
deep.
3.
Grip the rotor
in
a
vise,
remove
the pulley
nut,
and
pull
out the
pulley,
fan,
and
spacer.
4.
Pull
out the rotor assembly from the front bracket.
Westerbeke
Engines
80
Speed
(rpm)
1,300
maximum
1,300
maximum
1,300
maximum
2,500
maximum
2,500
maximum
2,500
maximum