HBOT 3D F300 - Printer Maintenance and Operation; Recommended Maintenance Schedule

7. Maintenance and operation
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Routine inspection and maintenance of the device will guarantee the highest quality prints and helps you to increase the reliability of
your printer. Your failure to perform these operations will speed up the wear of your printer and increased risk of failures.
7.1 RECOMMENDED MAINTENANCE OPERATIONS
Repairs or maintenance must be made after power has been cut off to your printer.
Operation Frequency Instructions
Printer cleaning Before each print Remove unnecessary items and excessive dust from printer
interior and clear air fans
Cleaning the build platform Before each print Wash the platform under running water and wipe it dry
Applying Dimax adhesive Before each print Before putting the printing platform back into the printer, apply
a thin layer of Dimax spray on its upper surface (outdoors or in a
ventilated room)
Exchanging Kapton lm If damaged Should either a torn portion of Kapton lm, or noticeable
scratches be present that would affect print quality, carefully
remove the worn Kapton lm. Wash and dry the glass platform
thoroughly. Unstick, pull off, and hold the rst 30 mm piece of
adhesive securing lm from a new Kapton sheet (shorter edge
of the lm). Lay the beginning of the Kapton lm, the adhesive
side down, onto the shorter edge of glass platform so that it
overhangs ca. 5 mm beyond the platform edge, then carefully
stick the lm on platform edge. Hold down the stuck portion of
the Kapton lm with a squeegee and pressing the lm against the
glass, slowly move the squeegee along the lm so that the entire
Kapton lm is stuck to the platform. The securing lm should
unstick itself as you move the squeegee. To increase slippage of
the squeegee, spray the Kapton lm with a small amount of glass
cleaner. Trim the excess of the Kapton lm on longer sides of the
glass platform, ush with platform edge. Using a ruler, trim the
lm on shorter sides of the platform, 5 mm from platform edge, to
expose the glass surface.
Nozzle replacement If damaged Print nozzle replacement must be made if the nozzle gets
overheated or deformed. (Refer to chapter "Nozzle replacement"
on page 19).
Print head replacement Every 12 months* or 4 000 h Contact the Service Department of the manufacturer
Lubricating guides Every 1 month* or 300 h Position the carriage in its middle position (SetupOperator
panel). Wipe away the old grease from the guides (with a paper
towel or clean cloth). Apply an amount of pea sized grease
amount to each guide at each bearing (4 carriage bearings, 2
bearings on the right Y-guide and 2 bearings on the left Y-guide).
Using the front, back, left and right buttons travel the carriage
along the entire operating range to spread the grease along the
guides
Belt tensioning Every 6 months* or 2 000 h Loosen 4 xing screws of the left stepper motor. Push the motor
back and tighten back the screws while holding the motor.
Printing platform leveling Once a week* or every 75 h See the "Printing platform leveling" chapter on page 13
Cleaning the knurled wheel Once a week* or every 75 h Clean the knurled wheel by blowing out with compressed air
through the hole in the extruder case so as to remove any leftover
lament chips.
Firmware update 1 month Once a month check on the manufacturer's website if an updated
software version, or new material congurations are available
* assuming that the average device operating time is 15 h/ day, 5 days/ week.
7. Maintenance and operation