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Removal
If the VHMS controller has to be replaced, the follow-
ing steps must be performed in order to maintain
accurate information after the controller has been
replaced. If the new VHMS controller is not set up
correctly (like the one being removed), the data in the
controller and at WebCARE may not be usable.
Some steps will require using a laptop PC and the
VHMS Setting Tool software or the VHMS Technical
Analysis Tool Box software. For more detailed
instructions on performing these steps with a laptop
PC and software, refer to VHMS Software elsewhere
in this section.
During the controller replacement process, two data
downloads will have to be taken (one before, one
after) and sent to WebCARE. Also, a VHMS Initial-
ization form will have to be filled out and sent to
Komatsu North America as shown on the form.
1. With the key switch OFF, connect a laptop PC
to the VHMS controller using the serial cable.
2. Using a laptop PC and the VHMS Technical
Analysis Tool Box software, perform a complete
data download from the VHMS controller.
3. Save this data so it can be sent to WebCARE at
a later time when a connection to the internet is
available.
4. Using the VHMS Setting Tool software, enter
the Service ID and choose the "Save/Load"
function.
5. From the File menu, select "Save".
6. Capture a screen shot ("Alt" and "Print Screen"
keys at the same time) of the Save Confirma-
tion window, paste it into a Microsoft Word doc-
ument and save it.
7. Click the "OK" button to save the settings.
8. Exit the VHMS Setting Tool program.
9. Turn the key switch OFF.
10. Wait three minutes, then disconnect battery
power.
11. After the two LED lights are off, disconnect the
wiring harnesses and remove the VHMS con-
troller.
D11005
Installation
1. Install the new VHMS controller and connect
the wiring harnesses to it. Connect the laptop
PC to the VHMS controller with the serial cable.
2. Connect battery power. Turn the key switch
ON, but do not start the engine.
3. With the VHMS Setting Tool software, enter the
Service ID and choose the "Save/Load" func-
tion.
4. From the file menu, select "Load".
5. Capture a screen shot ("Alt" and "Print Screen"
keys at the same time) of the Save Confirma-
tion window, paste it into a Microsoft Word doc-
ument and save it.
6. Click the [OK] button to load the settings.
7. Click the [Apply] button to reset the controller,
then click the [OK] and [Yes] buttons to confirm.
Then select the [Close] button.
8. Fill out a "VHMS Initialization" form and send it
to Komatsu as instructed on the form.
9. Exit the VHMS Setting Tool program.
10. Turn the key switch OFF and wait three min-
utes.
11. Turn the key switch ON. Wait three minutes and
watch for any error messages on the VHMS
controller LED lights that might indicate a prob-
lem in the system.
12. If there are no error messages, continue to Step
13. If there are error messages, refer to the
VHMS Troubleshooting and Checkout proce-
dures elsewhere in this section.
13. Using a laptop PC and the VHMS Technical
Analysis Tool Box software, perform a complete
data download from the VHMS controller.
14. Confirm the download data is good by using the
VHMS Technical Analysis Tool Box software.
Make sure the settings are correctly applied by
looking at the date, time, SMR, etc.
15. Turn the key switch OFF. Disconnect the laptop
PC from the VHMS controller.
16. Use internet access available to the laptop PC
to send the download data set that was taken
before the VHMS controller was removed from
the truck to WebCARE. Use the FTP feature
built into the VHMS Technical Analysis Tool
Box program to send the files.
17. Use the FTP program to send the download
data set that was taken after the new VHMS
controller was installed to WebCARE.
VHMS COMPONENTS
D11-15
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