TUBE AS 1322906 - Caterpillar

Bucket Zero
The Zero function is used to adjust for changes in the empty bucket weight due to bucket wear or excess material stuck in the bucket. Perform bucket zero when:
When prompted by the software
Not achieving desired accuracy
Ground Engagement Tool (GET) change
Material carryback change
On startupA zero is performed to improve the accuracy of the Cat® Production Measurement application.Zero Messages
Zero messages instruct the operator to perform a zero lift. The zero lift is performed to correct the following:
Changes to the material that is in the bucket
Changes in the hydraulic oil temperatureDetails for each message are shown below:Perform Zero - Zero Timer Expired
This message is displayed when the following occurs:
The machine has been running for more than 5 minutes and this application has not been zeroed
More than 4 hours passed since a zero was performedPerform Zero - Hydraulic Oil Temp Changed
This message is displayed when the following occurs:
The system has detected a significant change in oil temperature
The change occurred since the previous zero was performedZeroing an Empty Bucket
Zero an empty bucket when:
Any of the above two messages are displayed on the screen
On startup
When carryback is occurring and not able to be removedPerform the following to zero an empty bucket:
Rack an empty bucket back.
Lift through the weigh range.
Verify that the weight is a scaled weight with a green box.
Press bucket zero button.Alert message area will report either:
"Zero Accepted"
"Weight Too Heavy to Zero"The total amount of the weight that can be zeroed can only be less than or equal to 66% of the calibration weight.