Kubota M108S, Workshop Manual

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9-S33
M108S, WSM ELECTRICAL SYSTEM
(3) Dual Speed (DS Model Only)
Dual Speed Indicator
1. Remove the indicator (1) from the side panel.
2. Check the continuity with an ohmmeter across the indicator
terminals.
3. If value is indicated, the bulb is faulty.
W1028688
Dual Speed Switch
1. Remove the dual speed switch connector (2).
2. Check the continuity with an ohmmeter across the switch
terminals.
3. If it does not conduct or any value is indicated when the switch is
pushed, the switch is faulty.
Whenever the DS switch button is pushed, the switch repeats
turning ON and turning OFF.
4. If infinity is not indicated when switch is pushed on the turning
OFF position, the switch is faulty.
W1029124
Connector Voltage
1. Disconnect the dual speed valve wire harness connector (1).
2. Turn the main switch to the ON position.
3. Measure the voltage with a voltmeter across the yellow color lead
with wire harness and chassis when DS switch button is pushed
ON position.
4. If the voltage differs from the battery voltage, the wiring harness
or fuse is faulty.
W1029532
(1) Indicator
Resistance
(Across switch terminal)
Resistance
ON
condition
0
Ω
OFF
condition
Infinity
(1) Dual Speed Switch (2) Connector
Voltage
DS switch at ON (LO) Approx. battery voltage
DS switch at OFF (HI) 0 V
(1) Connector (2) DS Valve
KiSC issued 06, 2007 A