Shibaura ST330 - Key Switch; Safety Start Switches

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3） KEY SWITCH
① Conduct continuity test between terminal
[30] and other terminals at each position
of the key switch. If no continuity is
noticed between (○―○), replace the
switch.
521Y
522Y
4） SAFETY START SWITCHES
A. Range gear safety start switch is a single pole, push bottom type switch located on the left
side rear transmission housing. When the range change lever is engaged position, the
contacts in the switch is open, not allowing tractor to start.
B. The PTO（ rear） safety start switch is a single pole, push button type switch located on the
left side rear transmission housing. When the PTO change lever is engaged position, the
contact in the switch is open, not allowing tractor to start.
C. The Mid PTO safety start switch is a single pole, push button type switch located on the
Mid PTO change lever link system. When the Mid PTO change lever is engaged position,
the contact in the switch is open, not allowing tractor to start.
523Y