Manitowoc 2250 Service Maintenance Manual

Reference Only
UNDERCARRIAGE 2250 SERVICE/MAINTENANCE MANUAL
8-6
Published 07-19-16, Control # 249-01
ROTATING BED LEVEL SENSOR
The rotating bed level sensor senses the crane's pitch and
yaw. It is calibrated at the factory but can be reset if
necessary.
Resetting the Level Sensor to Zero
See Figure 8-5 for the following procedure.
To reset the level sensor to zero, proceed as follows.
1. Mount the sensor to a horizontal mounting surface.
2. Remove the cover and apply 5 volts DC power to the
sensor.
3. LED 023 (2) will be lit whenever the level is within ±5° of
true level. Ensure that both axes are within ±5° of true
level.
4. Press and hold switch SW1 (1) for one second and
release.
5. The new “permanent zero” is now set and stored in non-
volatile memory.
6. Repeat step 2
through step 5 to reset to a different
setting if necessary.
7. Disconnect the power and install the cover.
Recalibrating the Level Sensor
See Figure 8-5 for the following procedure.
To recalibrate the level sensor, proceed as follows.
1. Disconnect power to the level sensor.
2. Remove the cover.
3. Press and hold down switch SW1 (1) while reapplying
power to the unit.
4. Continue to hold down switch SW1 for one second and
release.
5. The new “permanent zero” now is set and stored in non-
volatile memory.
6. Install the cover.
FIGURE 8-5
Item Description
1Switch SW1
2 LED 023
Decreasing
Output
Increasing
Output
2
1
Pitch Axis
Roll Axis
Increasing
Output
Decreasing
Output

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English