MakerBot Replicator 2x User Manual download pdf (Page 84)

TROUBLESHOOTING

84

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. Use the 2.5 mm hex

wrench to tighten the two bolts at the

lower corners of the fan guard.

DIAGNOSING PRINT QUALITY ISSUES CONTINUED

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