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2. Take the wooden print head housing parts marked FRONT, BACK, LEFT, RIGHT.
3. Place one linear bearing in the FRONT and the BACK side of the print head housing. Make sure the engravings are
on the outside. Fig. 130 and 131.
Look at the inside of the linear bearings and note their orientation.
Make sure the 4 rows of balls are in an x shape, not a +.
4. Place one linear bearing in the RIGHT side of the print head housing.
5. Fit the RIGHT side with bearing into the FRONT-BACK sides of the print head housing. Now press the LEFT side on
and make sure the bearing fits neatly in the corresponding hole. Fig. 132 and 133.
6. Place the print head housing into the wooden part 8B. Fig. 134.
7. Loosely secure the print head housing with four M3x10 bolts and four hex nuts. Do not tighten completely yet. Fig.
135.
131
130
133
132
135
134