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This safety alert symbol means CAUTION OR WARNING-PERSONAL SAFETY INSTRUC-
TION. Personal injury may result if safety precautions are not carefully read before attempt-
ing to operate or repair this machine. See SAFETY PRECAUTIONS, page 4.

•

This machine is designed for

ONE PERSON OPERATION ONLY!

•

Always

DISCONNECT THE POWER

before working on this machine.

•

DO NOT OPERATE WITH ANY GUARDS REMOVED!

Replace all guards before operating.

•

CRUSH HAZARD

- Keep hands, hair, cleaning rags, & loose clothing away from drills.

SAFETY ALERT

SERIAL NO-

MODEL-

MODEL EH-3C

Paper Drilling

Machine

This manual covers serial numbers 975459 & up.

ALWAYS GIVE THE SERIAL NUMBER OF YOUR MACHINE WHEN WRITING.

Sold and serviced by

THE CHALLENGE MACHINERY COMPANY

1433 Fulton Avenue/Grand Haven, Michigan 49417-1594 U.S.A.

Phone: 616/842-8300 • Fax: 616/842-6511 • www.challengemachinery.com

F.352-J

Instruction and

Parts Manual

Summary of Contents for CHALLENGE EH-3C

Page 1: ...Instruction Manual SN 975459 Up Provided By http www MyBinding com http www MyBindingBlog com CHALLENGE MODEL EH 3C PAPER DRILL ...

Page 2: ...is machine DO NOT OPERATE WITH ANY GUARDS REMOVED Replace all guards before operating CRUSH HAZARD Keep hands hair cleaning rags loose clothing away from drills SAFETY ALERT SERIAL NO MODEL MODEL EH 3C Paper Drilling Machine This manual covers serial numbers 975459 up ALWAYS GIVE THE SERIAL NUMBER OF YOUR MACHINE WHEN WRITING Sold and serviced by THE CHALLENGE MACHINERY COMPANY 1433 Fulton Avenue ...

Page 3: ...lustrations and parts lists at the back of this manual to identify the correct parts needed Always give the SERIAL NUMBER and MODEL of your machine to insure that the correct parts are sent as soon as possible Take a few minutes right now to RECORD YOUR MACHINE SERIAL NUMBER in the space provided on the front cover of this manual Also be sure to fill out the warranty card accompanying this manual ...

Page 4: ...ACKGAUGE POSITION 11 USING THE SIDE GUIDE 11 ADJUSTING THE STROKE SPEED 11 REMOVING THE CUTTING BLOCKS 11 REMOVING DRILLS FROM THE SPINDLE 11 DRILLING TIPS 12 ACCESSORIES FOR CHALLENGE PAPER DRILLING MACHINES 13 MAINTENANCE SECTION AND PARTS LISTS TROUBLESHOOTING 20 ROUTINE MAINTENANCE 21 MAIN ASSEMBLY FRONT VIEW 24 MAIN ASSEMBLY UPPER RIGHT VIEW 26 MAIN ASSEMBLY LOWER RIGHT VIEW 28 MAIN ASSEMBLY ...

Page 5: ...nging the drills Severe lacerations or dismember ment could result from careless handling procedure KEEP THE FLOOR around the machine free of trim debris oil and grease When replacing hydraulic parts loosen the connections slowly to release pressure Never loosen connections with the machine running If the machine sounds or operates abnormally turn it off and consult the Trouble Shooting section of...

Page 6: ...n Disconnectpowerbeforeremovingcover Replacecover before operation Disconnectpowerbeforeremovingcover Replacecover before operation 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 WARNING LABEL DEFINITIONS ...

Page 7: ...nal 0 to 41 2 0 to 11cm Side guide Adjustment Range 0 to 14 0 to 37 cm Vertical Adjustment of Individual Heads 1 4 6mm Dimensions Table Size 191 2 x 311 2 50 cm x 80 cm Table Height 37 94 cm Overall Height 591 4 151 cm Floor Space Needed 36 x 411 2 91 cm x 105 cm Net Weight Approximate 525 lbs 236 kg Shipping Weight Approximate 570 lbs 257 kg Electrical 208 230 Volts 10 18 Amps 1 Phase 60 Hz AC Se...

Page 8: ...lls 1 4 Diameter 3 CD 5 2 1 2 Hollow Drills 5 16 Diameter 3 K 85 Drift Hole Cover 3 A 4950 Drill Sharpener Hand 1 4685 Drill Cleaner 1 4688 Lubrication Stick 1 4687 Drill Drift 1 W 141 1 8 Allen Wrench 1 W 130 3 16 Allen Wrench 1 W 137 5 32 Allen Wrench 1 5841 018 Shim 3 5841 1 035 Shim 3 Drill Blocks Drill Sharpener Drift Hole Covers Allen Wrenches Shims Lubrication Stick Drill Drift Drill Cleane...

Page 9: ...F 352 J EH 3C DRILL JUN 98 8 fig 2 EH 3C ...

Page 10: ...e of the back gauge measures exactly the same distance from the front of each pull down shaft fig 3 When this is ac complished tighten the table mounting hardware FINAL INSTALLATION Place the drill block knock outs in position Now set the three drill blocks place Check to see if the blocks are flush with the table Place shims under the blocks if necessary Insert the tapered head of the hollow dril...

Page 11: ...heads are provided with independent height adjustment while the center head works from the center overall adjusting screw This is necessary be cause of the variance in length of the drills Start by adjusting the center head to its highest point This is accomplished by turning the drill depth adjustment screw fig 2 counterclockwise until it stops turning Then adjust the side heads all the way up by...

Page 12: ...osition and then tighten the two knobs For certain hole positions it may be necessary to remove the rectangular spacer from the side guide assembly fig 5 ADJUSTING THE STROKE SPEED The hydraulic unit is equipped with an adjustable valve for regulating the speed on the drill stroke up and down travel Soft stocks such as mimeographs etc are apt to wrinkle at high speeds and the speed should be set t...

Page 13: ...f the chips and helps avoid overheating of the drills Use readily available stick lubricants for this purpose Hold the end of the stick against the side of the rotating drill Be sure to touch the cutting edge with the lubricant also Wipe off excess oil before drilling CARE MUST ALWAYS BE TAKEN WHEN HANDLING DRILLS Keep Spindle Clean Clean out the drill spindle frequently This will prevent any buil...

Page 14: ...3 2 x 16 mm CD 2 3 5 32 x 11 8 4 x 29 mm CD 52 3 16 x 15 8 4 8 x 41 mm CD 3 7 32 x 2 5 6 x 51 mm CD 72 1 4 x 2 6 3 x 51 mm CD 4 1 4 x 21 2 6 3 x 63 5 mm CD 4 21 2 17 64 x 2 6 7 x 51 mm CD 174 9 32 x 2 7 1 x 51 mm CD 92 5 16 x 2 7 9 x 51 mm CD 5 5 16 x 21 2 7 9 x 63 5 mm CD 5 21 2 11 32 x 2 8 7 x 51 mm CD 112 3 8 x 2 9 5 x 51 mm CD 6 3 8 x 21 2 9 5 x 63 5 mm CD 6 21 2 13 32 x 2 10 3 x 51 mm CD 132 ...

Page 15: ...Drill Sharpener can pay for itself many times over through longer drill life easier faster drilling and less sharpening time All sizes of drills from 1 8 to 1 2 inch in diameter can be sharpened The drill sharpener automatically puts just the right amount of bevel on the hollow drill for the best drilling results It s self centering too so that the center of the sharpening bit exactly meets the ce...

Page 16: ... to the desired back margin Be sure both sides are set to the same dimension and tighten the two thumbscrews Next remove the guide shaft and set the guide stops to the desired distance between holes a scale in the guide shaft is provided for this purpose The guide shaft is then replace in the rear gage and final adjusting or centering of holes is accomplished with the knurled screw at the extreme ...

Page 17: ... right end lines up with the dimension on the scale for the centerline of the first hole to be drilled Use of the stops on fixed gages is the same as using the adjustable stops In addition to 2 5 hole patterns fixed gages are avail able from stock in the following standard types 22 stop gage 1 2 centers for multi ring binders 25 stop gage 3 8 centers 25 stop gage 1 4 centers 34 stop gage 1 2 cente...

Page 18: ...kit can be installed on the EH 3C in place of the standard foot pedal control All of the necessary hardware and instructions are included in the kit The 2 hand control offers anti tiedown and anti repeat features which means both buttons must be released between each cycle and both buttons must be pressed within 5 seconds of each other ...

Page 19: ...S Drill Shield Kit 48004 This drill shield safety kit includes a clear Lexan shield that protects the operator from contacting the spinning drills The kit can be installed on all EH 3A EH 3B and EH 3C machines All of the necessary hardware and instructions are included in the kit ...

Page 20: ...ny provides parts with the express under standing that they are to replace parts found missing or no longer serviceable on equipment de signed and or manufactured by Challenge The Challenge Machinery Company assumes no liability for any modification or alteration to any Challenge products and any such modification or alteration to any Challenge products is not authorized by The Challenge Machinery...

Page 21: ...of power Relief valve in pump may be bad Clean or replace relief valve or pump or have dirt in it Check oil level may be low Add oil Check voltage at machine may Remove other machinery on line or be low provide a dedicated line 3 Drill head won t return Check lift springs may be broken Pry up head clean oil shafts or stuck replace if necessary Pull down shafts froze in frame Pry up head clean oil ...

Page 22: ...lling Weekly or every 40 hours of operation 1 Check the drive belt tightness and wear The drive belt must be kept tight or it will stall the motor and plug or break the drills See the Adjustments sec tion for instructions on how to tighten the belt 2 Clean and oil the guide bar shafts around frame 3 Clean and oil the rear support brackets Monthly 1 Check the hydraulic oil supply for the proper lev...

Page 23: ... between the hammer and the bear ing an old drill block works fine 8 Place the lower bearing S 706 on the spindle and tap in the spindle and bearing simultaneously Use the wood block from the previous step to protect the spindle 9 Replace the chip chute and pulley Center Head Bearing Replacement 1 Raise head as far as possible by turning knob C 2 Remove pulley H 3 Remove chip chute D 4 Remove cutt...

Page 24: ...sly Use the wood block from the previous step to protect the spindle 10 Replace the chip chute and pulley 11 Adjust head for drill depth Hydraulic Through normal use hydraulic systems gum up and seals wear Signs of wear are hydraulic leaks and er ratic operation of the vertical speed Check with your Authorized Challenge Dealer for a current repair and or replacement policy Replace oil yearly Capac...

Page 25: ...F 352 J EH 3C DRILL JUN 98 24 MAIN ASSEMBLY FRONT VIEW A 5846 9 SHEET 1 OF 5 ...

Page 26: ...25 F 352 J EH 3C DRILL JUN 98 MAIN ASSEMBLY FRONT VIEW A 5846 9 SHEET 1 OF 5 ...

Page 27: ...F 352 J EH 3C DRILL JUN 98 26 MAIN ASSEMBLY UPPER RIGHT VIEW A 5846 9 SHEET 2 OF 5 ...

Page 28: ...27 F 352 J EH 3C DRILL JUN 98 MAIN ASSEMBLY UPPER RIGHT VIEW A 5846 9 SHEET 2 OF 5 ...

Page 29: ...F 352 J EH 3C DRILL JUN 98 28 MAIN ASSEMBLY LOWER RIGHT VIEW A 5846 9 SHEET 3 OF 5 ...

Page 30: ...29 F 352 J EH 3C DRILL JUN 98 MAIN ASSEMBLY TOP VIEW A 5846 9 SHEET 4 OF 5 ...

Page 31: ...F 352 J EH 3C DRILL JUN 98 30 MAIN ASSEMBLY WIRING A 5846 9 SHEET 5 OF 5 ...

Page 32: ...31 F 352 J EH 3C DRILL JUN 98 MAIN ASSEMBLY WIRING A 5846 9 SHEET 5 OF 5 ...

Page 33: ...F 352 J EH 3C DRILL JUN 98 32 ELECTRICAL POWER PANEL ASSEMBLY EE 1635 4 ...

Page 34: ...33 F 352 J EH 3C DRILL JUN 98 ELECTRICAL POWER PANEL ASSEMBLY EE 1635 4 ...

Page 35: ...F 352 J EH 3C DRILL JUN 98 34 HYDRAULIC BASE ASSEMBLY 16541 1 ...

Page 36: ...35 F 352 J EH 3C DRILL JUN 98 HYDRAULIC BASE ASSEMBLY 16541 1 ...

Page 37: ...F 352 J EH 3C DRILL JUN 98 36 HYDRAULIC POWER UNIT ASSEMBLY H 356 2 ...

Page 38: ...37 F 352 J EH 3C DRILL JUN 98 HYDRAULIC POWER UNIT H 372 2 S N 975459 to 975739 ...

Page 39: ...F 352 J EH 3C DRILL JUN 98 38 HYDRAULIC POWER UNIT H 372 3 S N 975740 UP ...

Page 40: ...39 F 352 J EH 3C DRILL JUN 98 TABLE ASSEMBLY KK 48 31 REV H ...

Page 41: ...F 352 J EH 3C DRILL JUN 98 40 BACKGAUGE ASSEMBLY 5700 ...

Page 42: ...41 F 352 J EH 3C DRILL JUN 98 BACKGAUGE ASSEMBLY 5700 ...

Page 43: ...F 352 J EH 3C DRILL JUN 98 42 OPTIONAL AUTO TRIP BACKGAUGE ASSEMBLY A 4615 9 ...

Page 44: ...43 F 352 J EH 3C DRILL JUN 98 OPTIONAL AUTO TRIP BACKGAUGE ASSEMBLY A 4615 9 ...

Page 45: ...F 352 J EH 3C DRILL JUN 98 44 SPINDLE HEAD ASSEMBLY RIGHT HAND A 5847 1 5 R ...

Page 46: ...45 F 352 J EH 3C DRILL JUN 98 SPINDLE HEAD ASSEMBLY LEFT HAND A 5862 1 5 R ...

Page 47: ...F 352 J EH 3C DRILL JUN 98 46 OPTIONAL DRILL SHIELD KIT 48004 ...

Page 48: ...47 F 352 J EH 3C DRILL JUN 98 NOTES ...

Page 50: ......

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