Bondtech LGX PRO Installation and user guide

HOW TO
Do regular maintenance on the
LGX® PRO and LGX® PRO 2.85
Difficulty
Steps
Time Required
Sections
Medium
38
10 to 15 min
1
PRODUCT PAGE
LGX® PRO 1.75
PRODUCT PAGE
LGX® PRO 2.85

https://youtu.be/3djZu1M0Lng
01
Undo the bottom screws with a 2 mm hex key and
remove the interface plug.
02
Undo the top screws and remove the front plate.
03
04
Remove the drivegears, plastic washers and pins.
Rotate the extruder 90 degrees counterclockwise
and remove the middle section.
05
Remove the extruder assembly from the motor.
06
Remove the lever, double gear and spring from
the back SLS piece.
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HOW TO
Do regular maintenance on the LGX® PRO and LGX® PRO 2.85
INSTRUCTIONS GUIDE
This guide is designed to be a reference manual for how to do maintenance on
the LGX® PRO. Follow the instructions below or, if you prefer to watch a YouTube
video with the same instructions, use the provided link below or the YouTube
icon to the right:
https://youtu.be/1CkiVzZtmOw
www.bondtech.se

Page 3/8
HOW TO
Do regular maintenance on the LGX® PRO and LGX® PRO 2.85
www.bondtech.se
07 08
Lift the needle bearings out with your 2 mm hex
key.
Place the double gear, drive gears and needle
bearings in a small container and fill up with IPA.
09
Let the parts soak for about 10 minutes.
10
Wipe off excess grease and solvent from the
stepper motor. Brush the rest away.
11
Wipe off excess grease and solvent from the
double gear. Brush the rest away.
12
Wipe off excess grease and solvent from the
stepper motor. Brush the rest away.
13
Wipe off excess grease and solvent from the
needle bearings. Be careful to not loose needles.
14
Apply a generous amount of grease to the motor
gear.
15
Next, place the needle bearings on the drivegear
pins and apply grease.

Page 4/8
HOW TO
Do regular maintenance on the LGX® PRO and LGX® PRO 2.85
www.bondtech.se
16 17
Insert the pins with needle bearings in the
drivegears.
Apply a generous amount of grease to the
drivegears. Avoid the filament teeth.
18
Apply grease to the inside of the double gear.
19
Gather all components for reassembly.
20
Insert the spring from the front of the SLS part.
Shown here is the placement in the back.
21
Add the double gear behind the spring.
22
Push the double gear pin into the double gear.
23
Add the right drivegear pin.
24
Add the lever to the drivegear pin.

Page 5/8
HOW TO
Do regular maintenance on the LGX® PRO and LGX® PRO 2.85
www.bondtech.se
25 26
Seat the spring onto the lever. Add the drivegear washers, drivegears and pins.
27
Spin the gears in order to spread grease around
and making sure nothing is binding.
28
Add some more grease to the double gear as you
see fit.
29
Push the lever all the way to the left.
30
Add the middle SLS part.
31
Place the assembly on the motor.
32
Make sure that the lever is all the way to the left,
then add the front lever part.
33
Add the front plate.

Page 6/8
HOW TO
Do regular maintenance on the LGX® PRO and LGX® PRO 2.85
www.bondtech.se
34 35
Add your interface plug. Add your shortest screw to the top left hole.
36
Add the rest of the screws.
37
Tighten them down carefully.
38
Turn the double gear to spread the grease and
check for binding.
You are done!

Page 7/8
HOW TO
Do regular maintenance on the LGX® PRO and LGX® PRO 2.85
www.bondtech.se
TAKE GOOD CARE OF IT
Every 6 months, or sooner if you have a higher than 15h per week average usage, perform the following maintenance operations:
1. With a tooth brush and alcohol:
a. Clean the double gear and the drive gears
b. Clean the needle bearings
2. With a fine brush and lubricant
a. Lubricate the needle bearings
3. With compressed air
a. Blow the housing plastic parts to remove dust and dirt particles
HOW TO GET HELP
We are available to help you with any questions or issues you may have. Simply go to our website where you can access our
customer support and send us your questions or follow the provided link:
https://www.bondtech.se/contact/#tab_technical-support-requests

www.bondtech.se