Central Machinery 44846 Assembly And Operating Instructions Manual page 6

Install the table support (B7), with attached table Arm (B14), over the Column (B1)
5.
and slide it down. Engage the gears onto the Rack (B2). Tighten the Table Clamp
(B13).
Slide the column collar (b19) over and down the Column (B1) about 8 inches.
6.
Tighten Screw (B11).
7. Place the Extend Arm (B15) into the Arm (B14), and then the Table (B20) into the
opening in the Extend Arm.
caution: avoid injuries. the next step involves lifting the head assembly onto the
column. the head assembly is heavy. have someone help you lift this assembly into
place.
Using two people, lift the head assembly and insert the Column Guide (18) over the
8.
Column (B1).
Slide it down on the Column Tube as far as it will go. Align it so that it faces straight
forward, inline with the Base.
9. Insert one Locking Shoe (15) into place inside the bottom of the Column Guide (18),
and the other on the outside of the Column Guide. Tighten the Clamping Lever (30)
into the Locking Shoe at the base of the Column Guide.
10. Adjust V-belt (a1) tension or change speeds.
- Open the Belt Guard (A25) to expose the V-Belt.
- Loosen the Thumb Nut (28) to relieve the V-Belt tension.
- If necessary, move the Belt up or down on the pulleys to change the drill speed.
- Push the Motor backward, tightening the Belt on the pulleys, and hold in place.
- Turn the Thumb Nut (28) clockwise to tighten the V-Belt in place.
- Refer to the chart inside the Guard lid to select speed and belt locations.
note: To test the proper belt tension, push in on the center of each belt at its center. It should
move only 1/2 inch (in or out).
caution: overtightening the belts can cause the motor to bind, and not start. it can also
damage Motor bearings.
11. Locate the feed Knobs (34) and feed rods (35) and screw into the Hub (36).
12. Install the chuck (A12).
- Thoroughly clean the tapered hole in the Chuck and the Spindle (A15) shaft of all
dirt, grease, oil, and protective coatings (paint thinner may be necessary).
- Slide the Chuck onto the Spindle shaft.
- Turn the Chuck sleeve clockwise and open the jaws completely.
- Tap the nose of the Chuck lightly with a piece of wood to securely set the Chuck.
13. Verify that the Table (B20) is square (90 degrees) to the Head
Assembly and drill bit.
- Raise the Table to within four inches of the Chuck.
- Place the long side of a combination square on the Table.
- Align the short side of the square to the drill bit.
- If the Table is not square to the bit, loosen Hex Bolt (B12) with
SKU 44846 Page 6
Hex Bolt
(B12)