MAINTENANCE
• Keep the unit clean and free of dust and debris. Painted surfaces can be wiped with a damp rag.
• Periodically lubricate (oil or grease) all sliding or moving parts including the column and table tilt mechanisms,
brackets, worm gears and the quill.
• Bearings in the quill and the V-belt pulley are sealed, permanently lubricated and maintenance free.
• Lightly oil the slide bars every 2 months.
• If cranking becomes difficult, grease the column bracket.
IMPORTANT: USE ONLY GENERAL INTERNATIONAL OR AUTHORIZED REPLACEMENT PARTS AND ACCESSORIES.
6
CHANGING SPEEDS
MAKE SURE THE DRILL PRESS HAS COME TO A COMPLETE STOP BEFORE
CHANGING SPEEDS. REFER TO THE SPINDLE SPEED SELECTION CHART LOCATED
ON THE INSIDE OF THE SPINDLE COVER.
1. Disconnect the drill press from the power source.
2. Loosen the slide bar bolt (1) located on the right side of the head.
3. Pull the motor (2) in towards the head to loosen the belts.
4. Relocates belts to the desired pulleys to select a new spindle speed.
5. Push the motor (2) back, away from the head.
6. Retighten the slide bar bolt (1) and check the belt tension.
THE FOLLOWING TABLE CAN BE USED AS A GUIDLINE FOR SELECTING SPEEDS BASED ON BIT SIZE & BIT MATERIAL.
CAST STEEL
BIT SIZE
TOOL STEEL CAST IRON MILD STEEL ALUM. & COPPER
BIT MATERIAL
DIAMETER
CUTTING SPEED
40 FT/MIN (12 M/MIN) 60 FT/MIN (18 M/MIN) 80 FT/MIN (24 M/MIN) 100 FT/MIN (30 M/MIN) 200 FT/MIN (60 M/MIN)
1/16” (2 mm)
1/8” (3 mm)
3/16” (5 mm)
1/4” (6 mm)
5/16” (8 mm)
3/8” (10 mm)
7/16” (11 mm)
1/2” (13 mm)
REVOLUTIONS PER MINUTE
1910 - 2445 RPM
1220 -1275 RPM
765 - 815 RPM
610 RPM
480 - 490 RPM
380 - 405 RPM
350 RPM
300 - 305 RPM
2865 - 3665 RPM
1835 -1910 RPM
1145 - 1220 RPM
915 - 955 RPM
715 - 735 RPM
570 - 610 RPM
520 - 525 RPM
440- 460 RPM
3820 - 4890 RPM
2445 - 2545 RPM
1530 - 1630 RPM
1220 - 1275 RPM
955 - 980 RPM
765 - 815 RPM
700 RPM M/MIN)
590 - 610 RPM
4775 - 6110 RPM
3055 - 3185 RPM
1910 - 2035 RPM
1530 - 1590 RPM
1195 - 1220 RPM
955 - 1020 RPM
870 RPM
735 - 765 RPM
9550 - 12225 RPM
6110 - 6365 RPM
3820 - 4075 RPM
3055 - 3180 RPM
2390 - 2445 RPM
1910 - 2035 RPM
1740 - 1745 RPM
1470 - 1530 RPM
(14 pages)
(48 pages)
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