2.Tighten the two pre-load bolts so they no lon- ger contact the headstock.

3.Use a slide hammer to remove the two dowel pins from the gap insert.

4.tap the outside of the gap insert with a dead blow hammer to loosen it, then remove it.

Gap Installation

1.Use mineral spirits and a clean lint-free rag to clean the mating surfaces of the gap, bed, and ways. If necessary, stone the mating sur- faces to remove scratches, dings, or burrs.

2.Wipe a thin layer of light machine oil on the mating surfaces.

3.place the gap insert into the gap and use a dead-blow hammer to align the insert with the lathe bed.

4.lightly tap the dowel pins back into their respective holes until they are seated. This process will further help align the gap insert and bed mating surfaces.

5.install all fasteners and lightly snug them in place.

Model G0746/G0749 (Mfg. Since 3/13)

6.Mount a dial indicator with a magnetic base to the top of the saddle to indicate alignment.

7.First test the peak of the two prisms of the gap insert that the saddle rides on, then test the flanks of the prisms.

8.alternately tighten the gap bed cap screws and tap the side of the gap insert into alignment.

9.inspect the gap alignment 24 hours later to make sure the gap is still aligned. If neces- sary, loosen the gap bed cap screws and repeat Steps 7–8until the insert is properly aligned.

10.Loosen the preload bolts until they contact the headstock and resistance can be felt, then tighten them an additional 34-turn.

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Grizzly g0749, g0746 owner manual Gap Installation