Kubota M5040 Workshop Manual page 465

M5040, M6040, M7040, WSM
Main Switch at ON Position
1. Turn the main switch to ON position.
2. Measure the resistance with an ohmmeter across the terminal 3
and the terminal 6.
3. If 0 ohm is not indicated, the 3 – 6 contacts of the main switch are
faulty.
Terminal 3 –
Resistance
Terminal 6
(1) Main Switch Connector
Main Switch at START Position
1. Turn and hold the main switch at the START position.
2. Measure the resistances with an ohmmeter across the terminal 5
and across terminal 3 and the terminal 6.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
Terminal 3 –
Terminal 5
Resistance
Terminal 3 –
Terminal 6
(1) Main Switch Connector
Main Switch at PREHEAT Position
1. Turn and hold the main switch key at the PREHEAT position.
2. Measure the resistances with an ohmmeter across the terminal 3
and terminal 2, and the terminal 3 and the terminal 6.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
Terminal 3 –
Terminal 2
Resistance
Terminal 3 –
Terminal 6
(1) Main Switch Connector
Main Switch at ACC Position
1. Turn the main switch key at the ACC position.
2. Measure the resistances with an ohmmeter across the terminal 3
and the terminal 1.
3. If 0 ohm is not indicated, these contacts of the main switch are
faulty.
Terminal 3 –
Resistance
Terminal 1
(1) Main Switch Connector
9-S14
ELECTRICAL SYSTEM
0 Ω
W1018982
0 Ω
0 Ω
W1019166
0 Ω
0 Ω
W1018647
0 Ω
W1018807
KiSC issued 06, 2008 A