21
4.2 Replacing the Rollers/Ceramic Pins
(Cont.)
To mount the filament guide
:
- Slide the filament guide up the roller
shafts in the direction of the arrow.
fig. 4.2j
fig. 4.2g
- Carefully tighten the new rollers with the
supplied open end wrench (4 mm jaw
width) until hand-tight.
When tighten the rollers,
steady the roller bolts with the
supplied screwdriver to
prevent the roller bolts from
being twisted off.
ROLLER SHAFTS (3x)
Screwdriver
- Push the filament guide upwards far
enough to ensure that the rollers do not rub
against the filament guide and that the pro
cess material can slide unhindered from the
filament guide into the roller grooves
(fig. 4.2k ideal line).
fig. 4.2k
Ideal line
- Tighten the setscrews (2x) with the sup-
plied screwdriver (1.5 mm blade width).
fig. 4.2l