Electrical System - Kubota WG972-E2 Workshop Manual

WG972-E2, DF972-E2, WSM

(6) Electrical System

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 from the battery.
3. Disconnect the leads from the starter B terminal.
4. Remove the starter from the engine.
5. Connect a jumper lead from the starter C terminal (1) to the
battery positive terminal (2).
6. Connect a jumper lead momentarily between the starter's body
and the battery negative terminal (3).
7. If the motor does not run, starter is failure.
Repair or replace the starter.
■
NOTE
• B terminal : It is the terminal which connects the cable from
the battery to the starter.
• C terminal : It is the terminal which connects the cable from
the motor to the magnet switch.
(1) C Terminal
(2) Positive Terminal
(3) Negative Terminal
Magnetic Switch Test
1. Disconnect the battery negative cable from the battery.
2. Disconnect the battery positive cable from the battery.
3. Disconnect the leads from the starter B terminal.
4. Remove the starter from the engine.
5. Connect a jumper lead from the starter S terminal (1) to the
battery positive terminal (2).
6. Connect a jumper lead momentarily between the starter's body
and the battery negative terminal (3).
7. If the pinion gear does not pop out, the magnetic switch is failure.
Repair or replace the starter.
■ NOTE
• B terminal : It is the terminal which connects the cable from
the battery to the starter.
• S terminal : It is the terminal which connects the cable from
the starter switch to the magnet switch.
(1) S Terminal
(2) Positive Terminal
(3) Negative Terminal
S-27
GASOLINE / LPG ENGINE
[A] Electromagnetic Drive Type
[B] Planetary Gear Reduction Type
W1024938
[A] Electromagnetic Drive Type
[B] Planetary Gear Reduction Type
W1024939
KiSC issued 01, 2006 A