2 Basic repair procedures Chapter E: Basic repair procedures
110 Planmeca PlanMill 40 Technical manual
2. Power the milling unit down.
3. Disconnect video cable from LCD touch screen assembly by pressing the release
tabs on each side of the connector
4. Using wire cutters, carefully remove cable tie at rear of LCD touch screen assembly.
5. Remove (4) M4 screws securing the slide bracket to the side of the LCD enclosure.
Removing only these screws should retain two of the three adjustments required when
reinstalling the display.
Install
1. Positions the LCD touch display assembly and install the (4) M4 screws through the
slide to the display enclosure.
Snug the screws at this time but do not fully tighten as you will need to align the display.
2. Install screw and nut securing front bracket, but do not fully tighten at this time.
3. Route video cable and connect to rear of LCD touch assembly.
4. Secure cable bundle to cable anchor at rear of LCD touch using a cable tie.
5. Do not install the right side panel at this time. Position the top cover as you would
when installing it but do not secure.
6. Use the adjustment brackets securing the display to the side and front frame rails to
align the display to the top cover.
7. Once alignment is achieved remove the top cover.
8. Fully tighten all securing screws to side adjustment bracket and front bracket.
9. Reinstall right side panel and top cover, see section 2.1 "Mill covers" on page 94.
Verify and driver update
1. Turn mill ON.
2. Perform touch screen calibration.
3. Verify display operation.
2.2.8 Mounted accelerometer processor assembly
The purpose of the mounted accelerometer processor assembly is to monitor the mill
function and inform the operator when a grinding tool breaks. A secondary function of the
accelerometer processor is identification of the milling unit hardware configuration to
operating software and firmware. This assembly includes a PCBA (accelerometer
processor board) and 3 cables. The 3 cables are connected to the accelerometer
processor board, which is attached to a sheet metal bracket for mounting to the back of
the electronics box.
The accelerometer processor board has a jumper which must in placed in one of 3
positions depending upon the configuration of the milling machine in which it is
being installed. For PlanMill 40 move the jumper to the “A” position.
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