Background
Upgrading your 770M+ or 1100M+ mill to a BT30 spindle is a great upgrade to add more tool holding strength. Additionally, for the 1100M+, this upgrade increases your top spindle speed up to 10,000 rpm.
Note: The M+ update is a requirement before completing the BT30 upgrade. However, these updates can be completed at the same time. For more information, see 1100M+ Servo Upgrade .
Tools
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3 in. (7.6 cm) wooden block, 2
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6 in. gear puller
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Flat-blade screwdriver
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Metric hex wrench set
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Open-ended wrenches:
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13 mm
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19 mm
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25 mm
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Phillips screwdriver
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Safety eye wear
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Simple Green (or similar mild degreaser)
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Torque wrench
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WD-40 (or similar water displacement oil)