Evinrude 4906B 4HP 1969 Owner's Manual page 37

2-12 TUNING
the electrical components.
ed or chafed insulation
tions between wires and terminal
tions.
Check the harness connector
corrosion. Inspect the electrical
be sure they are not bent or broken.
harness shows any evidence of the foregoing
problems, the problem
before proceeding with any harness testing.
Verify that the "prongs" of the harness
connector are clean and free of corrosion.
Convince yourself
connection is being made between
ness connector and the remote
ness.
Short Test (See the Wiring Diagram
Appendix)
Disconnect the internal
from the electrical
magneto analyzer,
check for continuity
wires in the harness.
check for continuity
good ground. If continuity
ness MUST be repaired or replaced.
a
The terminals of side-mounted
tor should be inspected and cleaned each season.
connector is exposed and vulnerable
corrosion.
Check for fray-
and/or loose connec-
connec-
for signs of
"prongs" to
If
must be corrected
that a good electrical
the har-
control har-
in the
wiring harness
components. Use a
set on Scale No.3
between any of the
Use Scale No.3
between any wire and a
exists, the har-
electrical connec-
to
dampness and
Resistance Test
the Appendix.)
Use a magneto
No.2. Clip the small red and black leads
together.
for Scale No.2
the ligns with the set position on the left side of
the "OK" block on Scale No.2.
small red and black leads.
Diagram in the Appendix,
wire for
connection
tance exists
"OK" block) the harness
or replaced.
2-12 WATER PUMP CHECK
FIRST A GOOD WORD:
pump MUST be in very good condition
and
the engine
The pump performs
and
function by supplying enough water to prop-
erly cool the engine.
cases, it is advisable
plete water pump assembly
year, or anytime the lower unit is disassem-
bled for service.
Small horsepower
This
check water
charge from the idle relief.
(See the Wiring Diagram in
analyzer,
Turn the meter adjustment
until the meter
Use the Wiring
and check each
resistance between
and the terminal ends.
(meter reading
MUST be repaired
to deliver satisfactory
an extremely
Therefore,
to replace
at least once a
engine operating
circulation through the engine
set on Scale
knob
pointer a-
Separate the
the harness
If resis-
outside the
The water
for
service.
important
in most
the com-
in a test tank to
and dis-