TOHATSU MFS 4D Service Manual page 200

4 stroke
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Electrical System
3) Inspection of Igniter
1.
Measure igniter resistance. Replace if other than specified
value.
Remove the part and test it as a separate unit.
Igniter tester check chart (3GR-06041-0)
Stop terminal
Spark plug cap
GND
LED
terminal
・ "ON"means Conductive.
・ "CON"means that pointer of cirecuit tester moves once and then returns to the range shown in
( )
・ Circuit tester: HIOKI3030 (Measurement range:1kΩ)
・ The measurement varies depending on the measurement range of the circuit tester or voltage
due to diode used in the unit.
・ This check provide only a reference, and it is impossible to perform perfect check.
2.
Install igniter so that specified clearance is achieved, and
connect plug cap to spark plug.
Thickness Gauge 1 :
P/N. 353-72251-1
Igniter Clearance :
0.3 mm (0.012 in)
Igniter Bolts :
9 N · m (7 lb · ft) [0.9 kgf · m]
3.
Connect stop switch lead and warning lamp lead to
igniter.
8-8
Stop terminal
Spark plug cap
CON
ON
(33 kΩ)
ON
(13 kΩ)
(13 kΩ)
CON
CON
(
)
Tester "+" terminal
GND
CON
ON
(13 kΩ)
ON
CON
(
)
(
)
LED
terminal
CON
ON
(33 kΩ)
ON
(13 kΩ)
1 1
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