–63–
COOLING SYSTEM
ELEC
Les than 98
_
C
f
3*
105 to 98
_
C
S
Remove the thermo switch from the thermo-
stat housing.
S
Connect the pocket tester (
Ω
1) to the
thermo switch
.
S
Immerse the thermo switch in coolant
.
S
Check the thermo switch for continuity.
While heating the coolant use a thermome-
ter
to record the temperatures.
2
EB802017
5. Thermo switch
:
Replace the thermo switch.
GOOD
CONDITION
BAD CONDITION
:
THERMO SWITCH “ON”
THERMO SWITCH “OFF”
1
Handle the thermo switch with special care.
Never subject it to strong shocks or allow it
to be dropped. Should it be dropped, it must
be replaced.
Tests 1 & 2; Heat-up tests
Tests 3* & 4*; Cool-down tests
f
: Continuity
: No continuity
A
B
Test
step
Good
condition
1
0
X
105
_
C
4*
f
2
More than 105
_
C
Water temperature
Thermo switch
98
_
C
105
_
C
3
WARNING