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E-Z DRILL 210B-2 SRA Operating Instructions Manual

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OPERATING INSTRUCTIONS FOR THE
MODEL 210B-2 SRA

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Summary of Contents for E-Z DRILL 210B-2 SRA

  • Page 1 OPERATING INSTRUCTIONS FOR THE MODEL 210B-2 SRA...
  • Page 2 SAFETY PRECAUTIONS FOR THE MODEL 210B-2 SRA System Under Pressure: Shut off air supply and disconnect air hose before disassembling or disconnecting parts. Flying Debris: During boring, chips may be ejected. Stay behind control panel and wear safety glasses to prevent eye injury.
  • Page 3 SAFETY PRECAUTIONS FOR THE MODEL 210B-2 SRA (continued) Loud Noise: Wear ear protection to prevent eardrum damage from air compressor. Dust: Wear a dust protection mask to protect from concrete dust. High Pressure: High pressure from the air compressor can damage the drill, and can void the warranty.
  • Page 4 MOVING AND POSITIONING THE DRILL • After connecting the air hose from the air compressor to the drill unit (see SET UP instructions), release the air brake by placing the toggle switch on the control panel to the “OFF” position. •...
  • Page 5 MOVING AND POSITIONING THE DRILL • Use the steering wheel and manually push to position the drill unit. Heavy Load: Use handles and steering wheel to reposition the drill unit. Weight of the drill unit may cause back strain if improperly lifted. •...
  • Page 6 POSITIONING FOR HORIZONTAL DRILLING • Unlock the Safety Latch and all Carriage Locks.
  • Page 7 POSITIONING FOR HORIZONTAL DRILLING • Place the “Raise and Lower” valve into the “LOWER” position. • Activating this control will cause the drill system lower down to the horizontal position. Make sure everyone is clear of the drill unit before lowering the drill system.
  • Page 8 POSITIONING FOR HORIZONTAL DRILLING • Place the “Auto Align” switch into the “DOWN” position.
  • Page 9 POSITIONING FOR HORIZONTAL DRILLING • At this point, the two 6” stop rods should both be touching the face of the concrete. If one or both are not touching the concrete, the drill unit is too close to the edge of the slab, and you will need to reposition a little farther away from the edge.
  • Page 10 SETTING AND ADJUSTING THE FEED PRESSURE NOTE: For the drills to drill properly, and at optimum drilling speed, you may have to make some adjustments to the feed pressure on each drill. To begin with, it easier to make this adjustment one drill at a time. After making the desired adjustments to both drills, you can then start running both drills simultaneously.
  • Page 11 SETTING AND ADJUSTING THE FEED PRESSURE • To make the feed pressure adjustment to the first drill (you can start with either drill), place the Feed Control Valve into the “IN” position.
  • Page 12 SETTING AND ADJUSTING THE FEED PRESSURE • Check the gauge on the control panel. It should be set at approximately 20 psi.
  • Page 13 SETTING AND ADJUSTING THE FEED PRESSURE • To make an adjustment on the Regulator, lift up the regulator knob, and turn it clockwise to increase the feed pressure, and turn it counter-clockwise to decrease the feed pressure. After you finish, push the knob down until it clicks.
  • Page 14 SETTING AND ADJUSTING THE FEED PRESSURE • Next, place the corresponding power switch into the “ON” position. The drill will start drilling. The drill should move forward into the concrete with a slight “quiver” as it drills. If it is “bouncing”, it means it does not have enough feed pressure.
  • Page 15 SETTING AND ADJUSTING THE FEED PRESSURE • If the bit is not turning freely, you will need to decrease the feed pressure by slowly turning the regulator knob counter-clockwise until the bit is turning freely. • After setting the feed pressure at the appropriate level, push the regulator knob back down to lock it into place.
  • Page 16 SETTING AND ADJUSTING THE FEED PRESSURE • Repeat this procedure with the other drill. After both drills have been adjusted properly, you can now operate both sets of controls simultaneously . If the need arises, you can always run each drill individually.
  • Page 17 SETTING AND ADJUSTING THE FEED PRESSURE • IMPORTANT: If the drill unit is set up to drill vertical holes, the feed pressure will need to be reduced approximately 5-9 psi. With the drill system in the vertical position, feed pressure set too high can cause the drill unit to tip over.

  • Page 18: Drilling Operation

    DRILLING OPERATION • After all adjustments have been made and your are now ready for production drilling, follow the next steps in proper order to insure maximum production and prevent unnecessary damage to the drill. • Place the Feed Control Valves in the “IN”...
  • Page 19 DRILLING OPERATION • After the bits make contact with the concrete, place both power switches into the “ON” position. Both drills will start drilling. Flying Debris: During boring, chips may be ejected. Stay behind control panel and wear safety glasses to prevent eye injury. Loud Noise: Wear ear protection to prevent eardrum damage from air compressor.
  • Page 20 DRILLING OPERATION • After each drill reaches its preset drill depth, it is imperative that you immediately turn that drill off. This prevents “dry-firing” (the drill is running with no pressure against the bit), which can cause extreme damage to the drill.