Geeetech Acrylic Prusa I3 Pro C Operation instructions

Assemble Instruction of Geeetech Acrylic Prusa I3 Pro C

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Notice:
1. This kit contains tiny parts; please keep them away from kids under 3.
2. This building instruction applies to Geeetech Acrylic Prusa I3 pro C.
3. Some pictures of the printed part may be a bit different from those in your
package, no worries, they work the same, and the way to assemble is similar.
4. Building and operating 3D printer involves electricity, so all necessary precautions
should be taken and adhered to.
5. Building a 3d printer requires a certain amount of handling ability and basic
knowledge of working principle of 3D printer.
6. Be patient, please. If you have any problems assembling, please contact us, we
will try our best to help you.
1Unfold the box and check the package list
Unfold the package and take all the parts out to check the condition of the items.

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All the acrylic plate has been etched with part ID and the plate is covered with
a sheet of kraft paper, you need to tear them off.

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Tips:
1. Before assembly, you are advised to put all the parts, especially the screws and nuts
in order, which will save you a lot of time looking for the required parts.
2. The part ID is corresponding to the number labeled on the bag of every part. Some
parts may not have label, you can refer to the pictures on the package list.
2 Assemble Y axis
2.1 Assemble the rods of a Y axis
Step1.Assemble the 2 threaded rods.
Part ID
Required number
Required parts
NO.5
2
M10 threaded rod

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NO.A14
2
Y plate connecting
plate
NO.18
6
M8 spring washer
NO.9
8
M10 washer
NO.12
8
M10 nut
Thread the nuts and washers into the two M10 threaded rods separately. The order
should be:
1) Thread the acrylic fender (Y plate connecting plate) in the middle.
2) Thread the M10 washer > M8 spring washer >M10 nut > M10 nut > M10 washer
on the left
3) Thread theM10 washer < M8 spring washer < M10 nut < M10 nut< M8 spring
washer < M10 washer on the right

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Step2.Assemble the 2 smooth rods
Part ID
Required number
Required parts
NO.3
2
M8 smooth rod
NO.39
4
LM8UU Linear bearings
Slide 2 bearings on each smooth rod. Before you slide the bearings please make sure
they are clean.
1.2.Attach the front and rearAcrylic support plates of the rods.
Part ID
Required number
Required parts
NO. A9, A 10
2
Acrylic plate( front)

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Step1. Slide the rods into the acrylic plate; adjust the length so that the smooth rods fit
snugly between the front and rear piece.
Step2. Screw up the rods and plate with M10 nut and M10 washer.
* Tips: the Y-axis must be a rectangle, that is the rods on both side should be parallel,
so is the front and back plate. Otherwise it will cause obstruction for the belt later.
You can use a Digital Caliper to measure.
2.2 Assemble the Y idler
NO. A 11, A 12
2
Acrylic plate( rear)
NO.9
4
M10 washer
NO.12
4
M10 nut

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Part ID
Required number
Required parts
NO.38
2
624ZZ Ball bearing
NO.66
1
bearing holder
NO.27
1
M3 x 20 screw
NO.15
1
M3 wing nut
NO.35
1
M4 x25 screw
NO.14
1
M4 lock nut
Step1. Thread the M3 x 20 screw through the bearing holder.
Step2. Put the M4 x25 screw through the holes with the two 624ZZ bearings in
between. Lock the other end with a M4 lock nut.

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Step3. Mount the assembled bearing holder onto the front support plates. And screw it
with a wing nut.
*Please leave enough room for the belt between the ball bearing and the screw.

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2.3 Mount the Y motor
Part ID
Required number
Required parts
NO. A13
1
Y motor fix plate
NO.75
1
Stepper motor
NO.43
1
pulley
NO.25
3
M3 x 12 screw
NO.26
2
M3 x 16 screw
NO.16
2
M3 square nut
Step1. Mount the pulley on the motor shaft, one of the screws should be screwed on
the cross section of the shaft. Do not screw too tight to turn smoothly.

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Step2. Insert the motor block into the slot; you may need to use a little strength to do
this. But be careful in case theAcrylic broke down. Then screw the motor on the
block plate with 3 M3 x 12 screws and fix the block plate with 2 M3 x 16 screws and
M3 square nut.

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2.4 Build the printing platform
Part ID
Required number
Required parts
NO.A15
1
Y platform support
NO.A16
4
Y bearing block
NO.67
1
Y belt mount
NO.54
4
Zip tie
NO.24
2
M3 x 10 screw
NO.27
8
M3 x 20 screw
NO.11
8
M3 nut
Step1. Mount the belt mount on the bottom side of the platform with 2 M3 x 10

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screws.
Step2. Mount the 4 bearing blocks on the platform with M3 x 20 screws on the same
side with the belt-mount. Screw with M3 nuts.

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Step3. Get the build platform plate zip-tied to the 4 linear bearings of Y- Axis.
*The belt-mount and the fenders are under the platform.

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2.5 Mount the Y –axis belt.
Part ID
Required number
Required parts
NO.41
1
Timing belt
NO.24
2
M3 x 10 screw
NO.7
2
M3 washer
Step1. Drill a hole on one end of the belt（the hole can be as the diameter of the M3
screw, leave enough margin ）
Step2. Fix the belt on one side of the belt -mount with a M3 x 10 screw and washer.
Step3. Thread the belt around the pulley on the motor and the Y idler.
Step4. Drill a hole on the other end of the belt and fix it on the belt -mount with a M3
x 10 screw and M3 washer.
*Tips:
1. Before you drill your second hole, make sure to pull belt tightly to make sure to fin
d proper placement of hole for a tight belt, if it is too loose, it will hinder the move of
the print platform.
2. Loosen the Y idler wing nut when tightening belt onto the Y belt mount [No. 67] in
order to make securing the belt to the block easier. Be sure to tighten wing nut fully o
nce done.

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3 Assemble Y - Z axis
Part ID
Required number
Required parts
NO.A1
1
X-Z frame
NO.27
4
M3 x 20 screw
NO.11
4
M3 nut
Step1. Held upright the main frame is after the acrylic fender washers on the threaded
rods. Here you can use the A2 panel as a reference to measure the distance A1 and
A12 (the rear plate).

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Step2. Screw up the main frame to the acrylic fender with M3 x 20 screws.
Step3. Screw up the M10 screw on the threaded rod of Y-axis. You can see the

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finished picture.
4 Mount the fan
Part ID
Required number
Required parts
NO.70
1
Fan
NO.28
4
M3 x 30 screw
NO.13
4
M3 locknut
Fix the fan on the right side of the frame with 4 M3 x 30 screw and locknut. Mind the
direction of the wires. (Please pay attention to the fan not others)

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5 Assemble the right and left side panel
Part ID
Required number
Required parts
NO.A2
1
Acrylic left frame
NO.A3
1
Acrylic right frame
NO.26
8
M3 x 16 screw
NO.16
8
M3 square nut
Step1. Screw up the X-Z frame and the side panel then connect the rear part of the Y

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axis and the side panel together. You may need to adjust the distance of the X-Z frame
to the rear plate.
All you need here is M3 x 16 screws and M3 square nuts.
6Assemble the Z axis (the vertical axis)
6.1Assemble the Z-axis bottom mount
Part ID
Required number
Required parts
NO.A4, A5
2
Z Motor fixed plate
NO.A6, A7
4
Z Motor support plate
NO.26
10
M3 x 16 screw
NO.16
10
M3 square nut
Step1. It would be easier to mount the A4/A5 to A6 and A7 first, and then mount the