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Yanmar 3JH3E - Page 202

Yanmar 3JH3E
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Chapter 9 Electrical
System
~3-:...;S:;;;.;t;;;a;:.r:,:te;:.r..;;M,~o;;;.;;to;.;.r
__________________________
3,4]H3(B)(C)E
(3) Inspection of the Brush Springs.
Check
the weight of the brush springs.
Standard Weight
(N)
14.6~17.8
3-6.4 Magnetic Switch
(1) Continuity Test for the Shunt Coil
Check
for continuity between the
"S"
terminal and
the switch
body
with a tester.
If
there is continuity,
then it is still good.
No continuity : (Disconnected coil)
Replace tne magnetic switch.
(2) Continuity Test for the Series Coil
Check for continuity between the "S" and "M"
terminals with a tester.
If
there is continuity,
then it is still good.
No
continuity : (Disconnected coil)
Replace the magnetic switch.
(3) Continuity Test for Contact-Points
Put the plunger on the under side and then push the
magnetic switch down. At this time, check for continu-
ity between the
"B"
and
"M"
terminals with a tester. If
there is continuity, then
it
is
still good.
No continuity : (Insufficient Continuity)
Printed in Japan
HINSHI-H8009
Replace the magnetic switch.
Fig. 25
Teste
I
Fig.
26
Fig. 27
Fig. 28
9-17

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