jcb JS200 Service Manual page 152

Section C
5 - 18
Swing Brake/Swing Lock (continued)
2) Engine is running and swing lever operation (brake release)
a.
b.
a. In operating the swing lever, the signal of the pressure switch enters the controller, and the output to the swing brake
solenoid valve (SOL: 2) is turned OFF. Pilot pressure enters directly, and the brake is fully released.
b. In returning the swing lever to neutral, the signal of the pressure switch goes OFF. The computer then outputs 24V on the
swing brake solenoid valve (SOL: 2) and after the 5 seconds delay the brake operates at 50%.
9803/6400
Swing Swing lock
lever SW
OFF OFF
ON
OFF
OFF OFF
Electrics
Pump Control
SOL: 2
SOL:1 50%
100% lock brake
ON
OFF
OFF OFF
5 sec. after lever
in neutral
OFF
ON
SOL: 3 Monitor
Shut off ( P )
OFF
OFF
OFF
Section C
5 - 18
Issue 1