Yamaha LIT-11626-16-27 Manual Do Utilizador
6 - 8
–
+
ELEC
CARBURETOR HEATING SYSTEM
Å The thermo switch circuit is open.
ı The thermo switch circuit is closed.
ı The thermo switch circuit is closed.
Test step Water temperature Continuity
1
Less than 23
± 3 ˚C
(73.4
± 5.4 ˚F)
YES
2
More than 23
± 3 ˚C
(73.4
± 5.4 ˚F)
NO
3
More than 12
± 4 ˚C
(53.6
± 7.2 ˚F)
NO
4
Less than 12
± 4 ˚C
(53.6
± 7.2 ˚F)
YES
Test steps 1 & 2: Heating phase
Test steps 3 & 4: Cooling phase
Test steps 3 & 4: Cooling phase
WARNING
●
Handle the thermo switch with special
care.
care.
●
Never subject the thermo switch to
strong shocks. If the thermo switch is
dropped, replace it.
strong shocks. If the thermo switch is
dropped, replace it.
●
Check the thermo switch operation.
CARBURETOR HEATER INSPECTION
1. Inspect:
●
Carburetor heater resistance
Out of specification
Out of specification
→ Replace.
Tester (+) probe
→
Carburetor heater terminal 1
Tester (–) probe
→
Carburetor heater body 2
Carburetor
heater resistance
Tester selector
position
6 ~ 10
Ω at
20 ˚C (68 ˚F)
Ω × 1