Kubota B1710, Workshop Manual

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B1710 · B2110 · B2410 · B2710, WSM ELECTRICAL SYSTEM
3) Main Switch Key at PREHEAT Position
1. Set and hold the main switch key at the PREHEAT position.
2. Measure the resistance with an ohmmeter across the 30 terminal
and the 19 terminal, and measure the resistance across the 30
terminal and the AC terminal.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
W10140940
4) Main Switch Key at START Position
1. Set and hold the main switch key at the START position.
2. Measure the resistance with an ohmmeter across the 30 terminal
and the 19 terminal, across the 30 terminal and the 50 terminal,
and across the 30 terminal and the AC terminal.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
W10143990
(B) Starter
Motor Test
CAUTION
• Secure the starter to prevent if from jumping up and down
while testing the motor.
1. Disconnect the battery negative cable from the battery.
2. Disconnect the battery positive cable and the leads from the
starter M terminal.
3. Remove the starter from the engine.
4. Disconnect the connecting lead (2) from the starter C terminal
(1).
5. Connect a jumper lead from the connecting lead (2) to the battery
positive terminal post.
6. Connect a jumper lead momentarily between the starter motor
housing and the battery negative terminal post.
7. If the motor does not run, check the motor.
W10142670
Resistance
30 terminal – 19 terminal
0
Ω
30 terminal – AC terminal
Resistance
30 terminal – 19 terminal
0
Ω
30 terminal – 50 terminal
30 terminal – AC terminal
(1) C Terminal (2) Connecting Lead
KiSC issued 11, 2006 A