National Crane Published 8-01-2017 Control # 287-11 7-9
NBT40 SERVICE MANUAL OUTRIGGERS
String Potentiometer
Remove
1. Fully retract outrigger beam.
2. Remove outrigger box cover
3. Disconnect spring clip from its attaching point on
outrigger beam.
4. Disconnect electrical connector at string potentiometer.
5. Remove the screws securing string potentiometer;
remove string potentiometer.
Install
1. Fully retract outrigger.
2. Using screws, mount the string potentiometer to the
outrigger box cover.
3. Connect electrical connector to string potentiometer.
4. Attach spring clip to attaching point on outrigger beam.
5. Mount outrigger box cover on outrigger box.
6. Calibrate string potentiometers; refer to Calibrate,
page 7-9.
Calibrate
Calibrating the string potentiometer is done through the
crane's RCL. Refer to the Rated Capacity Limiter Operator's
Manual for detailed instructions.
Reference Only