Grizzly G7947 Manual
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Grizzly G7947 Manual

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Grizzly Drill Press SOP
Drill Press is wired to run on 110V.
Drill Press has a built in light with a ON/OFF switch.
Never hold a workpiece by hand while drilling.
Clamp it down or hold it in a vice.
Never drill sheet metal without it being clamped securely.
Different bits and different materials drill best at certain speeds.
There is a Bit/Material/Speed chart on Page 5 of this guide.
Familiarize yourself with how to change speeds on the Drill Press.
Page 6 of this guide shows how to change speeds.
Full speed chart is under pulley cover on Drill press
Please read the next 8 pages of this guide to gain an understanding of
the operation of the Drill Press itself.
The full manual is available online and a paper copy is here in the shop.
This SOP compiled by @pberglund
Page 1

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Summary of Contents for Grizzly G7947

  • Page 1 Grizzly Drill Press SOP Drill Press is wired to run on 110V. Drill Press has a built in light with a ON/OFF switch. Never hold a workpiece by hand while drilling. Clamp it down or hold it in a vice.
  • Page 2 Torsion Spring: Returns quill into head- stock. Lash Screw: Removes quill lash. 10. Depth Stop: Limits quill travel to a pre-set drilling depth. 11. Scale: Displays current table-tilt angle. Figure 2. Left-side controls. Figure 1. Right-side controls. Page 2 G7947/G7948 12 Speed Floor Drill Press...

  • Page 3: Safety For Drill Presses

    Failure to do so could result in serious per- operator injury. If normal safety precautions are overlooked or ignored, serious personal sonal injury, damage to equipment, or poor work results. injury may occur. Page 3 -11- G7947/G7948 12 Speed Floor Drill Press...

  • Page 4: Section 4: Operations

    Regardless of the con- To remove a drill bit: tent in this section, Grizzly Industrial will not be held liable for accidents caused by UNPLUG THE DRILL PRESS! lack of training.

  • Page 5: Choosing Speeds

    Carbide Insert Type One-Piece Type 1800 Tenon/Plug Cutters Soft Wood Hard Wood Plastic Brass Aluminum Mild Steel 3/8" – 1/2" 1200 1000 5/8" – 1" Figure 25. Drill bit speed chart. Page 5 -27- G7947/G7948 12 Speed Floor Drill Press...

  • Page 6: Changing Speeds

    BELT:C-3.1-1 V-belts. Rotate the belt tension lever until the belts are tight. Tighten both lock knobs. Close the cover before plugging in the machine. Figure 27. Using the belt tension lever. Page 6 -28- G7947/G7948 12 Speed Floor Drill Press...
  • Page 7 SOFT MATERIAL: The softer the material, the faster the spindle may turn. (Plastics can melt at too high of a spindle speed!) The Model G7947/G7948 is designed for drilling LUBRICANT: Use some form of lubricant on holes in wood or metal. The basic operation all materials except wood.

  • Page 8: Depth Stop

    Depth Stop Adjusting Table The Model G7947/G7948 has a depth stop that The table can raised/lowered, rotated, and tilted allows you to drill repeated non-through holes to 90° left or right. Table adjustment controls are the same depth every time.

  • Page 9: Arbor Removal

    Insert the drift key into the drift-key slot, and allow the quill to rise, trapping the drift key. Both Slots Aligned Figure 31. Inner and outer drift-key slots aligned. Page 9 -31- G7947/G7948 12 Speed Floor Drill Press...

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