Service manual

BODY
AD JUSTMENT
I Secure horn
in a vise
and connect
horn
cables to
power supply
See
Figure
BE 19
2
Set
power supply
switch to ON and
make
sure
that voltmeter indicates 12 to
12 5V
AMMETER 110
to
15Al
HORN
VOLTAGE METER
115
to
20VI
Fig
BE 19 Circuit
for
hum
adjustment
3 Listen horn sound for level volume and tone
Adjust
sound as
required
to obtain
sepecified amperage
by
ammeter When
adjustment
is
required
loosen lock nut
and
turn
adjust
screw
adequately
Fig
BE
20
Adjusting
hum
BE 16
Note When
adjust
screw
is turned
Clockwise
Current
decreases
Counterclockwise
Current increases
4
Upon completion
of above
adjustment
make sure
that horn sounds
correctly
with
14 to 15V
generated by
alternator
Sound Consumed current
adjusting
value
A
High
5 440
Low
5 350
Figure
encircled in
parenthesis
are
basic
frequencies Hz
5
Secure lock nut of
adjust
screw
IHI
HOR N BUTTON
III
Fig
HE ll Circuit
diagram
for
horn
system