Starter; Ac Dynamo [B1220] - Kubota B1220 Workshop Manual

B1220, B1620, B1820, WSM

(10) Starter

(11) AC Dynamo [B1220]

Motor Test
CAUTION
• Secure the starter to prevent it 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 form 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.
(1) C Terminal
Magnet Switch Test
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 (3) from the starter C terminal
(2).
5. Connect a jumper lead from the starter S terminal (1) to the
battery positive terminal post.
6. Connect a jumper lead momentarily between the starter C
terminal (2) and the battery negative terminal post.
7. If the pinion gear does not pop out, check the magnetic switch.
NOTE
• This test should be carried out for a short time, about 3 to
5 seconds.
(1) S Terminal
(2) C Terminal
Dynamo No-load Voltage
1. Disconnect the lead wires from the dynamo.
2. Start the engine, and check the generating voltage of the
dynamo.
Voltage Factory specification
9-S26
ELECTRICAL SYSTEM
(2) Connecting Lead
9Y1210272ELS0021US0
(3) Connecting Lead
9Y1210272ELS0022US0
14 to 15 V (at engine idling
speed)
36 to 39 V (at engine high
speed)
9Y1210272ELS0023US0
KiSC issued 07, 2011 A
(EU)