SELVA MARINE Kingfish 25, Service Manual

Page: 123 / 398

5-29
ELEC
Electrical system
OL: Indicates an overload
TIP:
Make sure to set the measurement range
g
,
and display the mark
h
by pushing the
“SHIFT” switch when checking the Rectifier
Regulator continuity.
7. Connect the Rectifier Regulator couplers,
and then install the flywheel magnet
cover.
PTT electrical system
Checking the PTT relay
1. Measure the input voltage between the
PTT relay terminals
a
and
b
.
2. Disconnect the battery power source,
ground lead, PTT motor leads, and PTT
relay coupler.
NOTICE: Always discon-
nect the battery negative terminal
before disconnecting the PTT relay
terminals.
3. Connect the special service tool 1 .
4. Check the PTT relay for continuity.
Replace if out of specification.
Rectifier Regulator continuity
(testing diode mode)
Tester lead
Display value (V)
(reference data) + -
c
d
OL
e
0.441
f
OL
d
c
OL
e
0.446
f
OL
e
c
OL
d
OL
f
OL
f
c
0.428
d
0.437
e
0.700
f
d
c
e
d
c
f e
g
h
PTT relay input voltage:
Terminal
a
–Terminal
b
12.0 V (battery voltage)
b
a