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Kawasaki KZ1300-A1 Quick Reference Manual Page 208

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MAINTENANCE--ENGINE
A.
Terminal
#1
(for RedlBlack Lead)
B. Terminal
#2
(for Red/White Lead)
C.
Terminal
#3
(for Black Lead)
D.
Terminal
#4
(for Blue Lead)
E.
Fan Relay
-Connect the ohmmeter leads to the
relay
terminals
#3
and
#4.
At this
time, the
meter should read
infinity.
If not, replace the
relay.
-With the ohmmeter connected to the terminals
#3
and
#4,
connect the terminal
#1
to the battery
+
terminal, and the terminal
#2
to the battery
-
terminal.
At this time, the meter should read zero
ohms.
If not,
replace the relay.
Fan switch inspection
Remove the fan switch, and check the internal resis-
tance of the fan switch across the switch terminal and
the
body.
There should be no conduction at room
temperature.
A. Fan Switch
Suspend the switch in a container of water so that
the temperature-sensing projection and threaded portion
are
submerged. The switch must not touch the container
sides or
bottom.
Suspend an accurate thermometer in
the
water,
It must not touch the container, either.
Place the container over a source of heat and gradually
raise the temperature of the water while stirring the
water gently.
Fan Switch Inspection
The internal resistance of the fan switch should
change as shown in Table H88. If it does not, replace
the
switch.
Table H88
Internal Resistance of Fan Switch
Resistance change
Temperature
Raising
From more than
94-100°C
1 mega
n
to less
temperature
than 0.5
n
(201-212°F)
Lowering
F rom I ess than
above 91°C
0.5
n
to more
temperature
than 1 mega
n
(196°F)
Reserve Tank, Hoses
As the engine warms up, the coolant in the radiator
and the water jacket
expands.
The excess coolant flows
through the radiator cap and hose to the reserve tank to
be stored there temporarily. Conervsely, as the engine
cools down, the coolant in the radiator and the water
jacket
contracts,
and the stored coolant flows back to
the radiator from the reserve tank.
Inspection
Visually inspect the reserve tank hose for signs of
deterioration.
Squeeze the hose.
The hose should
not be hard and brittle, nor should it be soft or swollen.
Replace any damaged hose. The hose clamps must
be
in place.
Flushing
Over a period of time, the cooling system accumulates
rust, scale, and lime in the water jacket and
radiator.
When this accumulation is suspected or observed, flush
208

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