Checkline ETB, Operating Manual

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To mount the filament guide
Step 4 Carefully tighten the new guide and measuring
rollers with the supplied open end wrench
(4 mm jaw width) until hand-tight.
NOTE:
When tighten the rollers, steady the roller bolts
with the supplied screwdriver to prevent the roller shafts
from being twisted off.
Step 1 Slide the filament guide up the Roller shafts in
the direction of the arrow.
Step 3 Tighten the grub screws with the supplied
screwdriver (1.5 mm blade width).
Step 2 Push the filament guide upward far enough
to ensure that the rollers do not rub against
the filament guide and that the process
material can slide unhindered into the
roller grooves (center line).