2 Maintenance procedures Chapter B: Preventive maintenance
34 Planmeca PlanMill 40 Technical manual
8. Touch the Open Lid button.
9. The lid should open; the LED lights on the grind chamber should transition to red.
10. Observe the box labelled Mechanical Control in the upper left corner of the display.
11. LID: OPEN OPEN should be displayed.
12. Close the lid and touch Reinitialize System button.
13. LED lights on the grind chamber should transition to green.
14. Observe the box labelled Mechanical Control in the upper left corner of the display.
15. LID: CLOS CLOS should be displayed.
2.6 Fluid tank cleaning
The fluid tank requires periodic cleaning and coolant replacement. The PlanMill 40
software reminds the operator to service the fluid tank on a periodic time basis however,
the operator or technician may choose to clean the tank at any time by following the
procedure below.
The drawer lock/pump suction bracket includes the locking mechanism for the drawer, the
pump suction line with suction strainer and high and low water level indicators. The tank
floats and strainer should be cleaned once a week to prevent mould growth or build-up of
ceramic material and for optimal circulation.
Tools and items required:
• 0.18 litres Planmeca approved coolant concentrate
• 3.79 litres clean water
• Paper towels
1. Touch the Fluid tank service icon.
2. Select the Yes button to unlock the drawer, the drawer will unlock and the pump will
run for a moment to purge the circulation lines.
3. Allow the system a few seconds to drain after the pump turns off, gently pull the
drawer open.
4. Remove the fluid tank from the drawer, and remove tank lid by unscrewing two
screws securing lid to tank; dispose of dirty coolant in accordance with local
regulations.
5. Clean the tank thoroughly with a soft brush. Use the same brush to clean the wire
basket that sits in the fluid tank. If the basket holds water, it is not clean.
6. Replace the water and coolant mixture. Put back the tank lid by screwing the two
screws.
7. Click Next. This will lower the float/strainer assembly.
DO NOT try to close the drawer with this assembly down or you will damage the
mill.
8. Reach in and pull the black part of the strainer straight down to remove. If there is not
enough room to remove the strainer the float/strainer assembly can be lifted manually
the ease the removal.
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