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Serial Numbers 995774 & Up PERATION ANUAL MODEL EH-3C PAPER DRILLING MACHINE Sold and Serviced by The Challenge Machinery Company 6125 Norton Center Drive Norton Shores, MI 49441-6081 USA ChallengeMachinery.com F. 352-KO August 2003...
Also be sure to fill out the warranty card accompanying this manual and return it DIRECT TO CHALLENGE. If you bought a used machine, it is important to have the following information on record at Challenge. Copy this page, fill in the information and send it care of: The Challenge Service Department, 6125 Norton Center Drive, Norton Shores, MI 49441-6081.
• READ and understand all instructions thoroughly before using the machine. If questions still remain, call your Authorized Challenge Dealer - Failure to understand operating instructions may result in personal injury. •...
HAZARDOUS AREA Disconnect power before cleaning, servicing, or making adjustments not requiring power. Do not alter safety guards or devices, they are for your protection. Re- place all guards, do not operate with any guards re- moved. F.352-KO/EH-3C DRILL/AUG 03...
570 lbs (257 kg) Electrical 208/230 Volts, 18 Amps, 1 Phase, 50/60 Hz, AC. Service size 30 Amps. Challenge reserves the right to make changes to any product or specification without notice and without incurring responsibility to existing units. F.352-KO/EH-3C DRILL/AUG 03...
All guards and instruction plates are installed for your safety and information and must remain on the ma- chine as shipped from the factory. (fig. 1-1) F.352-KO/EH-3C DRILL/AUG 03...
Next, position the table so that the back surface of the backgauge comes in contact with the front of each pull down shaft (fig. 1-4). Now tighten the front two table- mounting screws. Then move the backgauge forward (fig. 1-5) and tighten the rear two screws. F.352-KO/EH-3C DRILL/AUG 03...
1.5 HOOKING UP THE POWER LINE 1.6 INSTALLING THE CHIP CONTAINER The EH-3C is factory wired for 208/230 Volt, 1 phase, 50/60 hz. operation. It is the customer’s responsibility The chip container is installed by slipping it over the two to wire the machine for the rated voltage using a 30 hooks provided on the rear of the machine.
The center spindle should then be adjusted so that the center drill just cuts through the paper. Too deep will cause a ragged hole in the F.352-KO/EH-3C DRILL/AUG 03...
This adjustment is made by turning the adjustable valve (located on the right side of the drilling machine stand) counterclockwise to reduce speed and clockwise to increase speed (fig. 2-2) F.352-KO/EH-3C DRILL/AUG 03...
Just a little time and effort taken with each use of your paper drilling machine should result in trouble free operation over many years. F.352-KO/EH-3C DRILL/AUG 03...
” ” ” ” ” ” ” All drills carried in stock by local Challenge dealers ( ” & ” available by special order). HOLLOW DRILLS TEFLON COATED HOLLOW DRILLS Diameter x Drill Capacity Cat. No. Diameter x Drill Capacity Cat.
The cutting tool is made of GLASS come necessary, the bit can be ordered through HARD material and may be chipped. your Challenge Dealer (Cat. No. 4952). F.352-KO/EH-3C DRILL/AUG 03...
This optional backgauge assembly provides additional 3.7.1 Setting the side guide stops versatility to the EH-3C. The automatic trip on the side First set the rear gage to the desired back margin. Be guide permits step and repeat type of operation with a...
50-stop gage, 1/4” centers In addition to 2-5 hole patterns, fixed gages are avail- Custom patterns can also be supplied, call for details. able from stock in the following standard types: F.352-KO/EH-3C DRILL/AUG 03...
This 2-hand control safety kit can be installed on the EH-3C in place of the standard foot pedal control. All be released between each cycle, and both buttons must be pressed within .5 seconds of each other.
3.10 DRILL SHIELD KIT Cat. No. 48004 This drill shield safety kit includes a clear Lexan shield and EH-3C machines. All of the necessary hardware that protects the operator from contacting the spinning and instructions are included in the kit (see Page 5- drills.
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