Eton ATV8F - SERVICE, Service Manual

Page: 117 / 165

12-4 Trouble Diagnosis For Cooling System
The temperature indicated is too high
Y
Y
Y
Water hose clogged
Y
B-2. Inspect the circuits of
water temperature have
short or earth?
Short or earth handle
Y
Y
B. Turn on main switch and
check the water
temperature indicator
back to zero?
B-1. Measure thermo unit to
confirm voltage 6V
↑
?
N N
Replace thermo unit
Meter problem
N
D. Close radiator cap,
measure thermo unit to
confirm voltage reduced
comply with temperature
rise?
Replace thermo unit
N
Y
Y
N
C. Open radiator cap and
softly throttle, inspect
coolant have circulated?
C-1. Eng. stop and remove
water pump cover, start
the motor to inspect pump
its rotation?
Water pump repair
N
N
A1.Refill the radiator with
coolant then check for any
leakage?
Water leaking problem
Y N
A. Stop and waiting for the
engine is completely
cooled down, open cap to
check the capacity of
coolant in radiator.
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