Grizzly G3358 Collet/Arbor, To install a collet or an arbor, To remove a collet or an arbor

Collet/Arbor

The Model G3358 features an R-8 spindle which accepts many industrial collets and arbors.

To install a collet or an arbor:

1.DISCONNECT MACHINE FROM POWER!

2.Release the latches on the head cover and open it.

3.Make sure the tapered mating surfaces of the collet or arbor and the spindle are clean and free of grease or other impurities.

4.Insert the collet or cutting tool’s arbor up into the spindle housing. Rotate the collet or arbor to line up the keyway with the matching pin in the spindle opening (Figure 20).

Drawbar

Arbor

Figure 20. Collet/arbor installation.

5.Turn the hex head at the top of the drawbar (located on the top, front of the head) clock- wise until the threads at the bottom of the drawbar mesh with the female threads in the top of the collet/arbor.

6.If you're using a collet, insert the cutter in the hole at the bottom of the collet. Be sure to protect your hands from the cutter with leather gloves or a shop rag.

7.Continue to tighten the drawbar until both the collet and cutter, or arbor are tightly in place. Do not over-tighten the drawbar.

G3358 Milling/Drilling Machine

To remove a collet or an arbor:

1.DISCONNECT MACHINE FROM POWER!

2.Loosen but do not remove the drawbar.

3.Hold the cutter with a shop towel to prevent it from dropping completely out of the machine. Tap on the top of the drawbar with a rubber mallet to loosen the collet/arbor from the spindle (Figure 21).

Vertical

Drawbar

Arbor

Figure 21. Collet removal.

4.Unthread the drawbar until it is free from the collet/arbor. Once loose, remove and replace with your desired collet/arbor. Remove cut- ting tools from the spindle when not in use.

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