The maintenance kit for the Sigma contains the most used parts for maintenance or replacement of the printer. Maintenance work should be regular to keep the printer in good condition and achieve high quality prints at all times. Before making any repairs, it is important to turn off the printer and let it cool down.

What’s in the box:

· 4x Allen key (1)
· Nylon cleaning filament (2)
· Set of shims (3)
· Glass printing surface (4)
· x2 0.4mm Hotend by e3D (5)
· Grease 50ml (6)
· Solvent 12ml and Lubrication Oil 12ml (7)
· x4 Purger cloths (8)
· Magigoo: Build plate adhesive (9)
· Calibration gauge (10)

Maintenance operations that can be done with the kit:

· Lubricate and clean axes:
Periodically, according to the Maintenance Alerts via LCD screen, it is recommended to clean and grease the axes of the Sigma with the lubrication kit to ensure a smooth and precise performance of its mechanical components. In the following manual you will find a detailed step by step guide on how to lubricate and clean the axes of your printer: Shortlink

· Clean the hotend:
To ensure an optimal printed parts, it is important to maintain the hotends correctly. Maintenance of the inside of the hotend should be performed once every month, every time you switch materials or if the nozzle is clogged. In the following manual you will find a detailed step by step guide on how to clean the hotend of your printer: Shortlink

· Installing shims:
Shims are elements that mechanically correct the Z offset when printing in Mirror or Duplication mode. In these modes both toolheads work simultaneously, so it is key important to make sure both nozzle tips are exactly at the same height. In the following manual you will find a detailed step by step guide on how to install the shims on your printer: Shortlink

· Change the hotend:
The maintenance kit includes 2 0,4mm e3D hotends. It is recommended to install a new hotend when you do not get a clean hotend when performing the “Nylon Cleaning Method” described on the “Clean the hotend” process. In the following manual you will find a detailed step by step guide on how to install a hotend on your printer: Shortlink