SUSPENSION GP-FRONT 2857636 - Caterpillar

Reweigh Function
The reweigh function allows the operator to subtract the previous bucket weight from the total truck weight. The reweigh function is used to achieve the correct truck weight when:
the operator must add material from the last bucket
when the operator must remove material from the last bucketThe reweigh function allows the following:
Erasing the previous bucket
Reweighing the previous bucket after adding material to the bucket or after removing material from the bucket Reweigh Messages
Reweigh messages instruct the operator to reweigh the previous bucket. These messages will be displayed immediately after the bucket has been weighed. These messages are displayed when the system detects an error in the process of the lift. Details of each message are shown below:Weigh W/O Stopping - Lift Stopped During Weigh
This reweigh message appears if the following occurs:
The bucket stops moving while the bucket is in the weigh range.
The operator does not place the lift lever in the FULL DETENT position.
The operator releases the lift lever before the bucket has traveled completely through the weigh range.
Illustration 1 g01627882
"Weigh w/o stopping" screen
Weigh W/O Shifting - Lift Pressure Change During Weigh
This reweigh message will appear when a substantial spike in lift pressure is sensed in the hydraulic system. This event appears when the following occurs:
The machine changes direction while the bucket is in the weigh range.
Illustration 2 g01627883
"Weigh w/o shifting" screen
Weigh on Level Ground - Machine Pitched or Bucket Tilted
This reweigh message appears if the following occurs:
The bucket was not in the FULLY TILTED BACK position while the bucket was in the weigh range.
The machine was not on a flat surface.
Illustration 3 g01627887
"Weigh on level ground" screen
Weigh at Higher RPM - Lift Too Slow to Weigh
This reweigh message appears if the following occurs:
The lift was performed too slowly.
Illustration 4 g01627892
"Weigh at higher RPM" screen
Keep Constant RPM - Excessive Lift Speed Change
This reweigh message appears if the following occurs:
The motion or bounce of the machine causes pressure spikes.
The throttle is released during the weighing process.
Illustration 5 g01627893
"Keep constant RPM" screen
Reweigh Using Detent - Lift Too Jerky During Weigh
This reweigh message appears if the following occurs:
The operator lowers the engine speed while the bucket is in the weigh range.
The operator does not use the DETENT position of the lift lever.
Illustration 6 g01627896
"Reweigh using detent" screen
If any of the messages that are shown above are displayed, perform a reweigh. Reweighing A Bucket
In order to acknowledge the message, press the OK button.
Verify that the weigh screen is displayed.
Lower the bucket to the ground. If the material in the bucket needs to be adjusted, adjust the material.
Press the reweigh switch. The reweigh switch (1) is shown in the Illustration 7.
Illustration 7 g01592153
Reweigh/clear/zero switch
(1) Reweigh switch
Set the engine rpm at the normal operating speed.
Perform a smooth lift by correcting the condition that was displayed on the message screen or adjust the total truck weight.