7.3.4 4 – Printing area
After all operation involving fresh concrete (not for dry-runs etc.).
Thoroughly clean printing area, removing all excess materials from floor / ground.
7.3.5 5 – Other equipment
After all operation involving fresh concrete (not for dry-runs etc.).
Thoroughly clean all additional equipment like buckets, shovels etc., and leave to dry outside printing area.
7.3.6 6 – Excess / waste material
After all operation involving fresh concrete (not for dry-runs etc.).
Dispose of all excess material following local codes and material supplier’s directions.
7.3.7 7 – Extruder inner parts
• Dismount PCP unit and rotational nozzle
• Disassemble rotational nozzle parts.
• Check for material buildup / hardened concrete and clean if necessary
• Check state of bearings and clean / replace if necessary.
• Check state of rubber belt and replace if necessary.
7.3.8 8 – U-rails
Inspect all U-rails (located on X, Y and Z axes).
Remove all dust / oil / dirt gathered using high pressure water hose or similar.
7.3.9 9 – Tooth rack
Inspect all tooth racks (located on X, Y and Z axes)
Remove all dust / dirt gathered using high pressure water hose or similar. Lubricate racks if necessary.
7.3.10 10 – Lamp / lights
Inspect signal lamp and lights on printhead and main E-box.
Using a dry cloth, wipe lamp surface for dust / dirt.
7.3.11 11 – Safety door latch
Inspect safety door latch
Using pressurized air, clean out all dust / dirt gathered. Lubricate latch if necessary.
7.3.12 12 – Carriages
Using high pressure water hose or similar, clean all carriages.
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