Geeetech Acrylic I3 Pro Operation instructions

Assemble Instruction of Geeetech Acrylic Prusa I3
Pro & pro B

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CONTENT
CONTENT.......................................................................................................................................... 1
Safety Instructions...............................................................................................................................2
Preparation...........................................................................................................................................3
1Unfold the box and check the package............................................................................................ 4
2 Assemble Y axis............................................................................................................................... 7
2.1 Assemble the rods of a Y axis............................................................................................... 7
2.2 Assemble the Y idler........................................................................................................... 11
2.3 Mount the Y motor.............................................................................................................. 14
2.4 Build the printing platform................................................................................................. 17
2.5 Mount the Y –axis belt........................................................................................................ 21
3 Assemble Y - Z axis....................................................................................................................... 22
4 Mount the fan................................................................................................................................. 25
5 Assemble the right and left side panel........................................................................................... 26
6Assemble the Z axis (the vertical axis).......................................................................................... 28
6.1 Assemble the Z-axis bottom mount.................................................................................... 28
6.2 Assemble the 2 Z motors.....................................................................................................30
7Assemble the X axis (the horizontal axis)..................................................................................... 32
7.1 Assemble the smooth rods.................................................................................................. 32
7.2 Assemble the X-Axis Idler..................................................................................................32
7.3 Assemble the X-Axis end....................................................................................................35
7.4 Assemble the X-axis rods and both ends............................................................................ 37
7.5 Mount the X-axis belt bracket on the smooth rods.............................................................39
7.6 Mount the extruder holder...................................................................................................41
7.7 Mount the extruder..............................................................................................................43
7.7 Mount the X-axis motor...................................................................................................... 45
8 Assemble the X-Z axis................................................................................................................... 49
9. Attach he heated bed..................................................................................................................... 52
10 Mount the end stops..................................................................................................................... 54
11 Mount the LCD panel frame........................................................................................................ 57
12 Mount the PSU.............................................................................................................................59
13 Wiring...........................................................................................................................................64
14 Mount the board........................................................................................................................... 85
15. Tidy out the wires........................................................................................................................87
16 Mount the filament spool............................................................................................................. 87

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Safety Instructions
Building the printer will require a certain amount of physical dexterity, common sense
and a thorough understanding of what you are doing. We have provided this detailed
instruction to help you assemble it easily.
However ultimately we cannot be responsible for your health and safety whilst
building or operating the printer, with that in mind be sure you are confident with
what you are doing prior to commencing with building or buying. Read the entire
manual to enable you to make an informed decision.
Building and operating involves electricity, so all necessary precautions should be
taken and adhered to, the printer runs on 12V supplied by a certified power supply, so
you shouldn’t ever have to get involved with anything over 12V but bear in mind
there can still be high currents involved and even at 12V they shouldn’t be taken
lightly.
High temperatures are involved with 3D Printing, the Extrusion nozzle of the hot end
can run about 230°C, the heated bed runs 110°C and the molten plastic extruded will
initially be at around 200°C, so special care and attention should be made when
handling these parts of the printer during operation.
We wouldn’t recommend leaving your printer running unattended, or at least until you
are confident to do so. We cannot be held responsible for any loss, damage, threat,
hurt or other negligent result from either building or using the printer.

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Preparation
1. Unpack the kit and check if all parts are in the box and check the condition of each
part, there might be some damage during shipping. To help you with this, there is
BOM in the box and each bag was labeled with part number.
2. Contact our customer service immediately by email or through the website if you
find any missing or damaged parts. And on the bottom of the BOM, there is a
signature of reviewer, please take a picture of it and attach the picture in your mail.
3. Read through each chapter of these instructions to gain an over-all idea of what is
involved and how long it might take, before starting on the work described.
4. Before you start, you can put all the part in order to save your time especially those
screws and nuts. Do not mix them up.
5. Ensure you have the necessary skills to carry out the work, or enlist the help of
someone who does.
6. Work on a big firm table or bench in a clean dry well-lit area.
7. This kit contains tiny parts; please keep them away from kids under 3.
8. Ask for help if you run into any problems - our contact details are on the website
and we will always do our best to resolve any problems encountered.

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1 Unfold the box and check the package
Unfold the package and take all the parts out to check the condition of the items. As
you can see, all the parts are packed very carefully.

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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.

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2 Assemble Y axis
2.1 Assemble the rods of a Y axis
Step1. Assemble the 2 threaded rods.
Pic
Part ID
Required
number
Required
parts
NO.5
2
M10 threaded rod
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

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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
Pic
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 rear Acrylic support plates of the rods.

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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.
Pic
Part ID
Required
number
Required
parts
NO. A9,
A 10
2
Acrylic
plate( front)
NO. A 11, A 12
2
Acrylic
plate( rear)
NO.9
4
M10 washer
NO.12
4
M10 nut

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* 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
Pic
Part ID
Required
number
Requi
red parts
NO.38
2
624ZZ
Ball
bearing
NO.66
1
bearing
holder

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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. You may need a spanner to
tighten locking 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

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Pic
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 the Acrylic 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
Pic
Part ID
Required
number
Required parts
NO.A15
1
Y platform support
NO.A16
4
Y bearing block

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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
screws.

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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.
Step3. Get the build platform plate zip-tied to the 4 linear bearings of Y- Axis.