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docs/maintenance_KGNI.md

@@ -46,14 +46,17 @@ Make sure everything is as tight as it should be, but still freely to move nice
 You should inspect the wheels and belts and the belonging parts like pulleys etc from time to time to make sure everything is in a good condition and nothing will suddenly break.  
 
 **Belt**
+
 - Check the belt tension from time to time as it might wear out and lengthen a bit. 
 - Check the teeth of the belt if they are still good looking or if they're worn out or if even some teeth are missing.
 - Check if you can see any cracks or other damage at the belt.  
 
 **Pulleys**  
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 - Check the pulleys of the motors which are driving the belts. Are they also looking ok? Did they become loose on the motor shaft somehow?  
 
 **Wheels**  
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 - Check the position of the wheels as well as the bolts and nuts are still being tight.  
 - Do you see any debris? Clean it off.  
 - Do you see any signs of heavy wear and tear like in the following picture? If so, check the position and pressure as well as if any damage (besides the wear&tear) is visible.   
@@ -62,13 +65,15 @@ You should inspect the wheels and belts and the belonging parts like pulleys etc
 - Check if the bearings still move nice and smooth or if you can feel any hiccups during movement.  
 
 **Motor**
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 - Is the motor still mounted firmly?  
 - Is the bracket that holds the motor still straight as it should be, or is it maybe not due to too much belt tension being used?  
 - Is the shaft of the motor still straight as it should be, or is it maybe not due to too much belt tension being used?  
 - Is the pulley that is pressed onto the motor shaft still in place, in a good condition and is it still sitting tight on the shaft?  
 - Is the connection of the wire still fine?  
 
 **Limit switch**
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 - Is the limit switch still working?  
 - Is it still mounted firmly as it should be?  
 - Is the connection of the wire still fine?   
@@ -80,6 +85,7 @@ You should inspect the wheels and belts and the belonging parts like pulleys etc
 You should inspect the wheels at those Y-shaped brackets and check if any sagging of the unsupported side of the gantry occurs.  
 
 **Wheels**  
+
 - Check the position of the wheels as well as the bolts and nuts are still being tight.  
 - Do you see any debris? Clean it off.  
 - Do you see any signs of heavy wear and tear like in the following picture? If so, check the position and pressure as well as if any damage (besides the wear&tear) is visible.  
@@ -88,6 +94,7 @@ You should inspect the wheels at those Y-shaped brackets and check if any saggin
 - Check if the bearings still move nice and smooth or if you can feel any hiccups during movement.  
 
 **Y-shaped brackets**  
+
 - Check if the brackets are still in the correct position so that the outer wheels rest in the v-slot of the rails equally.  
 - Check if the screws where the brackets are mounted to the rail with are still tight.
 
@@ -98,11 +105,13 @@ You should inspect the wheels at those Y-shaped brackets and check if any saggin
 You should inspect the belts and the belonging parts like pulleys etc from time to time to make sure everything is in a good condition and nothing will suddenly break.  
 
 **Belt**
+
 - Check the belt tension from time to time as it might wear out and lengthen a bit. 
 - Check the teeth of the belt if they are still good looking or if they're worn out or if even some teeth are missing.
 - Check if you can see any cracks or other damage at the belt.
 
 **Pulleys**  
+
 - Check the pulleys of the motors which are driving the belts. Are they also looking ok? Did they become loose on the motor shaft somehow?  
 
 **Wheels**  
@@ -114,13 +123,15 @@ You should inspect the belts and the belonging parts like pulleys etc from time
 - Check if the bearings still move nice and smooth or if you can feel any hiccups during movement.  
 
 **Motor**
+
 - Is the motor still mounted firmly?  
 - Is the bracket that holds the motor still straight as it should be, or is it maybe not due to too much belt tension being used?
 - Is the shaft of the motor still straight as it should be, or is it maybe not due to too much belt tension being used?
 - Is the pulley that is pressed onto the motor shaft still in place, in a good condition and is it still sitting tight on the shaft?
 - Is the connection of the wire still fine?
 
 **Limit switch**
+
 - Is the limit switch still working?
 - Is it still mounted firmly as it should be?
 - Is the connection of the wire still fine? 
@@ -132,23 +143,27 @@ You should inspect the belts and the belonging parts like pulleys etc from time
 You should inspect the screw and the belonging parts like the anti-backlash nut, the motor coupler etc from time to time to make sure everything is in a good condition and nothing will suddenly break.  
 
 **Lead screw** 
+
 - Is the lead screw still vertically aligned?  
 - Is there any debris of the POM from the anti-backlash nut in the threads?
 - Is the screw still lubed?  
   Clean off the old lubrification and add some new, I personally use "Super Lube" for this.  
 
 
 **Anti-backlash nut** 
+
 - Is it still tightly mounted to that metal bracket or did the screws become loose?  
 - Is it still compressed?
 - Can you see any visible wear & tear of the POM inside of the anti-backlash nut? 
 
 **Motor & coupler**
+
 - Is the coupler which connects the shaft of the motor and the lead screw still tight?
 - Is the motor still mounted firmly?
 - Is the connection of the wire still fine?
 
 **Limit switch**
+
 - Is the limit switch still working?
 - Is it still mounted firmly as it should be?  
   Check both parts: the one at the frame and the little lever at the x-gantry.  
@@ -162,11 +177,13 @@ You should check the printhead and the extruder from time to time as well.
 Also check if the part cooling fan as well as the heatsink cooling fan still work properly.  
 
 **Extruder**  
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 - Is filament still being fed correctly? 
 - Is the tension of the spring still correct?
 - Are the gears still clean or did any debris of filament build up?
 
 **Hotend** 
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 - Are all screws still tight?  
   *Pay special attention to the grub/set screws at the heater block which hold the thermistor and cartridge heater in place!*
 - Are the thermistor and the cartridge heater still in place? 
@@ -176,12 +193,14 @@ Also check if the part cooling fan as well as the heatsink cooling fan still wor
 - Is the silicone sock still ok, does it also still sit in the correct position?  
 
 **Fans** 
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 - Are the part cooling fan and the heatsink cooling fan still working properly?
 - Are the screws which hold them in place still tight?
 - Are the blades of the fans clean, or did dust build up? If so, clean it off.
 - Can the fans rotate freely or is anything (e.g. wires, cable ties) hitting them?
 
 **ABL sensor** 
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 - Is the sensor still in the correct position, or did the bracket maybe become loose and therefore the sensor sagged?
 - Does it still trigger when detecting metal?