Installation Instructions

B1700·B21 00·B2400 WSM, 11770
9 ELECTRICAL SYSTEM
[6] EASY CH ECKER
To check the conditions of tractor easily before
and during operation,
easy checker combination of
lamps on the easy checker board is provided.
(1) Indication Items
1001 Pre-heat Indicator Lamp
When
the key switch is in the "Preheat"
position, the pre-heat indicator lamp
illuminates.
I t:31 Charge Lamp
When the charging system is not functioning
properly, this lamp illuminates.
I<>@{ol Oil Pressure Lamp
When the engine oil pressure
is low, this
lamp illuminates.
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CD ® ®
(1) Pre-heat Indicator Lamp
(2) Charge Lamp
(3) Oil Pressure Lamp
B177F916
(2) Low Engine Oil Pressure
(1) Oil Pressure Switch
Low engine oil pressure is detected by the oil
switch installed in
the lubricating system of engine.
III Oil Pressure Switch
While oil pressure
is high and the force applied to
the diaphragm (2) is larger than the spring tension,
the terminal contact
(1) is open separated from the
body contact
(3). If the pressure drops below approx.
49 kPa (0.5 kgf/cm
2
,
7.1 psi), the contact closes.
(3) Body Contact
(1) Terminal Contact
(2) Diaphragm
C045F141
9-M15