Geeetech Rostock mini Manual

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Rostock mini Hardware Build Manual
Some printed parts may have unsmooth edge, you can scrape them with
the file. Some screw holes also have to be expanded for assembly.
I. Pre-assembly of extruder

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1. Extruder block
Use the file to remove spare parts.
Enlarge the hollow and smooth the edge.

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Mount the 608 bearing inside the hollow. Use the file to rub the hollow again if
it is difficult to fit the bearing.

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Mount another 608 bearing on the other side of the Extruder block.

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2. Big drive gear
Enlarge the hole and smooth the edge.

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Put the M8 Hobbed bolt inside the hole, then add several(3 to 4) M8 washers.

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3.
Mount the Big drive gear and Extruder block together with M8 Hobbed Bolt
passing through the two 608 bearings.

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Make sure the middle of the filament feeding channel aligning with the middle
of the Hobbed Bolt’s W tooth by increasing or decreasing the M8 washers.

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Add several(1 or 2) M8 washers, then mount the M8 lock nut by pliers or screw
key.

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4.Small drive gear & stepper motor

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Use the M3 headless screw to fix the Small drive gear.

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5.
Mount the stepper motor to the Extruder block.

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Use three M3*10 Bolt to fix the stepper motor

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6.Extruder idler block

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7.Mount the Extruder idler block to Extruder block
Use M3*30 Bolt to fix the Extruder idler block.

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8.

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Put the filament into the feeding channel and turn the big gear to make sure it
is feeding fluently.

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II. Pre-assembly
1. Assemble of the Universal arms
Set the universal joints (one is fixed with 2 x M3*10 inner hexagon screw
and another is fixed with 2 x M3 screw). The diagonal supporting arm is fixed
on universal joint (1 x M3*10 inner hexagon screw + 1 x M3 rubber-washer
screw). When the free joint can be assured, the gap should be as small as
possible.