MakerBot Replicator 2x Betriebsanweisung PDF herunterladen (Seite 27)

27TROUBLESHOOTING

Loose drive gear: If the drive gear in the

extruder comes loose on the extruder motor

sha, the gear cannot grip the lament

and drive it down into the extruder. Use the

Disassembling an Extruder section on page

10 to remove the motor assembly from the

extruder. Then:

1. Use the 2 mm hex wrench from the

accessory box to remove the two bolts

holding the drive block to the extruder

motor. Remove the drive block and set it

aside. Be careful with the drive block – if

any of the pieces are detached, you might

have a dicult time putting it back together.

2. Ensure that the drive gear is in the correct

position on the motor sha. The top of the

drive gear should be about 2 mm from the

end of the motor sha. Locate the set screw

that secures the gear to the motor sha

and make sure it touches the ﬂat side of the

motor sha.

3. Use the 1.5 mm hex wrench from the

accessory box to tighten the set screw

against the motor sha.

4. Return the drive block to the motor. Orient

it so that the extruder lever arm points in

the same direction as the white connector

on the motor. Secure the drive block using

the 2 mm hex wrench and the two bolts you

removed earlier.

5. Return the extruder motor assembly to

the extruder carriage.

6. Reconnect the motor wire harness to the

top of the extruder motor.

7. As one piece, return the fan guard, the

fan, the heat sink, and the spacers to the

extruder. [Fig 1.3] Use the 2.5 mm hex

wrench to tighten the two bolts at the lower

corners of the fan guard.

XYZ Motor Cable: There may be a problem

with the section of the motor cable leading

to the X-axis motor. If so, the cable will need

to be replaced. Get in touch with support@

makerbot.com for more information.

DIAGNOSING PRINT QUALITY ISSUES CONTINUED

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