Minnich A-1C Operators & Service Manual Download Page 1

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A-1C/A-2C Dowel Drill

Operator/Service Manual

Hours of Operation

8:00AM to 4:30PM Mon. – Fri. Eastern Standard Time

277 North Main Street

Phone: 419.524.1000

PO Box 367

www.minnich-mfg.com

Toll Free: 800.524.1033

Mansfield, OH 44902

e-mail: [email protected]

Fax: 419.524.4000

Form: LIT-026 Revised 8/1/2007

Summary of Contents for A-1C

Page 1: ...of Operation 8 00AM to 4 30PM Mon Fri Eastern Standard Time 277 North Main Street Phone 419 524 1000 PO Box 367 www minnich mfg com Toll Free 800 524 1033 Mansfield OH 44902 e mail sales minnich mfg...

Page 2: ...8 TOOL USE AND CARE 8 SERVICE 9 SAFETY DECAL PLACEMENT 10 DRILL STEEL AND BITS 14 WARRANTY 14 GENERAL NOTES 14 DRILL STEEL AND BITS IN STOCK 15 USAGE CALCULATION 16 BIT INSTALLATION AND REMOVAL 16 SE...

Page 3: ...FT GROUP A 2C 46 AIR SCHEMATIC A 1C 48 AIR SCHEMATIC A 2C 49 PIPING DIAGRAM A 1C 50 PIPING DIAGRAM A 2C 52 CONTROL PANEL ASSEMBLY A 1C 54 CONTROL PANEL ASSEMBLY A 2C 55 LUBRICATOR INSTALLATION A 1C 56...

Page 4: ...pply to repairs that are required because of normal wear or tear parts or products that are damaged as a result of misuse neglect accident or fire or of lightning flooding or other acts of God or by i...

Page 5: ...75 x 3 25 22 2mm x 82 6mm 875 x 3 25 22 2mm x 82 6mm Drill Steel Length U C 24 61 0cm 12 30 5cm 12 30 5cm 9 22 9cm Drill Bit Diameter 625 2 50 15 9mm to 63 5mm 625 2 50 15 9mm to 63 5mm 625 1 625 15 9...

Page 6: ...d Variations to the standard are available Based on 2 piece steel and bits Whirlybits should be 1 longer for maximum drilling depth Model A 2C Drill Steel Shank 875 x 4 25 22 2mm x 107 9mm Drill Steel...

Page 7: ...Notes contain additional information important to the operation of the equipment CAUTION Cautions provide important information to prevent mistakes that could result in damage to the equipment WARNIN...

Page 8: ...Wear suitable hearing protection device such as earmuffs or earplugs Keep a first aid kit near the drill unit Safety depends on you TOOL USE AND CARE Only qualified persons should operate the drill un...

Page 9: ...disconnecting lines be sure to relieve all pressure Before applying pressure to the system be sure all connections are tight and that lines popes and hoses are not damaged DO NOT use your hand to sea...

Page 10: ...10 A 1C Safety Decal Kit Placement 011394 00000 012287 00006 012287 00008 012287 00001 012287 00003 012287 00007 012287 00012...

Page 11: ...11 012287 00005 012287 00010 012287 00007...

Page 12: ...12 A 2C Safety Decal Kit Placement 011394 00000 012287 00006 012287 00008 012287 00003 012287 00007 012287 00012...

Page 13: ...13 012287 00005 012287 00010 012287 00007 012287 00008...

Page 14: ...y is limited to the warranty provided by the supplier All warranty claims must be submitted to Minnich for evaluation and sent to the supplier for authorization General Notes 1 2 diameter maximum bit...

Page 15: ...rt Number Hole Diameter Shim Part Number Notes 003747 1 000 1 2 54cm 003839 00000 Use 003749 12 00 or 003749 24 00 Steel ONLY 003747 1 120 1 1 8 2 86cm 003901 00000 003747 1 180 1 3 16 3 01cm 003901 0...

Page 16: ...rill steel is not blocked if so remove the object 2 Clean the tapered end of the drill steel and the inside of the drill bit with a non oily cleaner making sure not to leave any oily residue 3 Make su...

Page 17: ...the slab Re tighten the four bolts 8 Make sure the rub strip is against the slab 9 Using the height adjusting screw adjust the height to the required distance from the top of the slab to the center of...

Page 18: ...it against the slab 10 Using the drill control valve turn the drill on and drill until the stop rod is against the stop pad 11 Using the drill control valve turn the drill off and then using the feed...

Page 19: ...19...

Page 20: ...PRESSOR IT SHOULD HAVE 100SCFM PER DRILL AND 110PSI AT DRILL MANIFOLD WHEN DRILLING WITH LARGE DRILLS 4 MAKE CERTAIN ALL FITTINGS ARE CONNECTED PROPERLY AND NOT LEAKING COUPLING OR HOSE OBSTRUCTION RE...

Page 21: ...CLASS DRILL WILL USE 16 20 PSI VERTICAL ALL DRILL UNITS USE 5 6 PSI WITH THE CORRECT AIR PRESSURE THE DRILL STEEL SHOULD HAVE A SLIGHT RATTLE INSUFFICIENT AIR FLOW TO KEEP HOLE BLOWN CLEAN CHECK FOR O...

Page 22: ...22...

Page 23: ...URETHANE FILLED 3 E 0A7931 00000 ASSEMBLY TIRE RIM A 2C URETHANE FILLED 3 F 004675 00001 WASHER 10 G 006180 1 500 PIN COTTER 5 16 X 1 1 2 5 H 007430 00000 BUSHING BRONZE 4 I 000798 00000 GREASE FITTI...

Page 24: ...24...

Page 25: ...007235 00000 MOUNTING SHAFT 1 H 006038 4 000 HHCS 3 8 16 X 4 GR 5 1 I 006108 00000 FLAT WASHER 3 8 USS 1 J 0A7245 00000 WELDM T BRAKE ARM 1 K 006038 1 750 HHCS 3 8 16 X 1 3 4 GR 5 2 K 006106 00000 FL...

Page 26: ...26...

Page 27: ...40 ASA ROLLER CHAIN 1 R 008449 00001 PLATE MOUNTING FOR STEERING BRACKET 1 S 005480 00001 SPROCKET 1 T 006325 3 500 SHSS 1 2 13 X 3 1 2 CUP POINT 1 U 006074 00000 NUT 1 2 12 1 V 006112 00000 FLAT WASH...

Page 28: ...28...

Page 29: ...00001 WELDM T ADJUSTMENT SCREW 1 J 006155 00000 LOCK WASHER 3 4 1 J 007132 00000 COIL NUT 3 4 X 4 1 2 2 K 0A9383 00000 WELDM T MOUNTING CLAMP 2 L 006038 1 000 HHCS 3 8 16 X 1 GR 5 1 L 006038 1 750 HHC...

Page 30: ...30...

Page 31: ...55 00000 LOCKWASHER 3 4 1 K 0A9383 00000 WELDM T MOUNTING CLAMP 2 K 006038 1 000 HHCS 3 8 16 X 1 GR 5 1 K 006038 1 750 HHCS 3 8 16 X 1 3 4 GR 5 2 K 006106 00000 FLAT WASHER 5 16 USS 2 K 006404 00000 L...

Page 32: ...32...

Page 33: ...SCREW 1 J 007132 00000 COIL NUT 2 J 006155 00000 LOCKWASHER 3 4 1 K 0A9383 00000 WELDM T MOUNTING CLAMP 2 K 006038 1 000 HHCS 3 8 16 X 1 GR 5 1 K 006038 1 750 HHCS 3 8 16 X 1 3 4 GR 5 2 K 006106 00000...

Page 34: ...34...

Page 35: ...NDER AIR 2 1 2 X 11 1 2 1 J 0A8422 00007 WELDM T ADJUSTMENT SCREW 1 J 007132 00000 COIL NUT 2 J 006155 00000 LOCKWASHER 3 4 1 K 0A4336 00002 WELDM T MOUNTING CLAMP 1 L 006038 1 750 HHCS 3 8 16 X 1 3 4...

Page 36: ...36...

Page 37: ...YLINDER AIR 2 1 2 X 8 1 J 0A8422 00009 WELDM T ADJUSTMENT SCREW 1 J 007132 00000 COIL NUT 2 J 006155 00000 LOCKWASHER 3 4 1 K 0A4336 00002 WELDM T MOUNTING CLAMP 1 L 006038 1 750 HHCS 3 8 16 X 1 3 4 G...

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Page 39: ...39...

Page 40: ...40...

Page 41: ...16 X 1 1 4 GR 5 4 H 006149 00000 LOCKWASHER 3 8 4 H 006106 00000 FLAT WASHER 5 16 4 I 012244 00001 UPPER GUIDE BAR 1 J 006040 1 500 HHCS 1 2 13 X 1 1 2 GR 5 1 J 006406 00000 LOCKNUT 1 2 13 1 K A12252...

Page 42: ...42...

Page 43: ...X 1 1 4 GR 5 2 G 006149 00000 LOCKWASHER 3 8 2 H 006038 1 250 HHCS 3 8 16 X 1 1 4 GR 5 4 H 006149 00000 LOCKWASHER 3 8 4 H 006106 00000 FLAT WASHER 5 16 4 I 012244 00001 UPPER GUIDE BAR 1 J 006040 1...

Page 44: ...NUT 1 2 13 4 D 006040 3 750 HHCS 1 2 13 X 3 3 4 GR 5 4 E 009667 00004 MOUNTING PLATE 1 F 0A8505 00003 WELDM T BEAM HANGER 1 G 002478 00000 TUBE RECTANGULAR 2 X 3 X 1875 42 H A11744 00000 ASSEMBLY RAIL...

Page 45: ...004488 00000 U BOLT 4 A 006345 00000 LOCKNUT 3 8 24 8 B 011864 00000 CASTER WHEEL RIGID 2 C A11736 00001 WELDM T CASTER MOUNTING 2 D 006037 1 000 HHCS 5 16 18 X 1 GR 5 8 D 006106 00000 FLATWASHER 5 1...

Page 46: ...46...

Page 47: ...006151 00000 LOCKWASHER 1 2 1 E 000798 00000 GREASE FITTING 1 8 1 F 0A8353 00000 CYLINDER ROD END ADJUSTER 1 G 005664 00000 CYLINDER AIR 4 X 18 DOUBLE ACTING 1 H 006535 1 250 PIN SPRING 1 4 X 1 1 4 1...

Page 48: ...48 AIR SCHEMATIC A 1C...

Page 49: ...49...

Page 50: ...50...

Page 51: ...REGULATOR 1 S 006021 00019 ELBOW 45 DEG EXT PIPE 37 DEG 12 12 A 1C 48 36 1 T 010842 00002 FITTING 1 4 Y TUBE TO TUBE 1 U 010825 00007 FITTING 1 4 TUBE TO 1 8 MALE NPT 3 V 004955 00000 FILTER 1 W 01083...

Page 52: ...52...

Page 53: ...2 R 009626 00010 AIR REGULATOR 2 S 006021 00019 ELBOW 45 DEG EXT PIPE 37 DEG 12 12 2 T 010842 00002 FITTING 1 4 Y TUBE TO TUBE 4 U 010825 00007 FITTING 1 4 TUBE TO 1 8 MALE NPT 4 V 004955 00000 FILTE...

Page 54: ...D RD 4 X 1 4 2 B 008972 00000 STEEL FINISHING PLUG 1 C 010935 00000 FEED VALVE 1 D 010936 00000 LIFT VALVE 1 E 006256 1 500 RHMS 8 32 X 1 1 2 SLOTTER 6 E 006653 00000 NUT 8 32 NC THREAD 6 E 006144 000...

Page 55: ...4 4 C 010935 00000 FEED VALVE 1 D 010936 00000 LIFT VALVE 1 E 006256 1 500 RHMS 8 32 X 1 1 2 SLOTTER 6 E 006653 00000 NUT 8 32 NC THREAD 6 E 006144 00000 LOCKWASHER 8 6 F 006038 1 000 HHCS 3 8 16 X 1...

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Page 61: ...re of a regulator must not be relied upon as an overpressure safety device See WARNING note below ADJUSTMENT 1 Before turning on system air pressure turn regulator adjustment counterclockwise until al...

Page 62: ...naccurate indications may be hazardous to personnel or property the gauge should be calibrated before initial installation and at regular intervals during use For gauge standards refer to ANSI B40 1 D...

Page 63: ...00905 Feeder O Ring LUBRICATOR IS SET AT 5 5 FROM FACTORY DIFFERENT TEMPERATURES MAY AFFECT FLOW OR OIL YOU MIGHT HAVE TO ADJSUT LUBRICATOR ACCORDINGLY BE SURE LUBRICATOR IS SET SO THAT YOU ALWAYS HA...

Page 64: ...all the same pipe size unit as the pipeline in use Avoid using fittings couplings etc that restrict the airflow or baffle the oil out of the air at the lubricator outlet 5 The lubricator may be filled...

Page 65: ...65...

Page 66: ...rt is a guide to expectant life of drill parts The replacement levels are based on average tool use in one year period Wear Key x subject to external damage 1 non wear 3 low wear 5 medium wear 7 high...

Page 67: ...20 VAVLE 3 1 21 012230 00021 VALVE CHEST 1 1 22 012230 00022 VALAVE GUIDE 1 1 23 012230 00023 VALVE KNOCK PIN 4 7 X 53 1 1 24 012230 00024 RATCHET 10 1 26 012230 00026 RIFLE BAR 3 1 27 012230 00027 RI...

Page 68: ...ays disconnect the air supply before changing steel or dismantling the tool for service or repair For maximum safety we advise the installation of a shut off valve at the end of the air line Specifica...

Page 69: ...011104 00030 VALVE COVER 1 30 011104 00031 O RING 2 31 011104 00032 PISTON 1 32 011104 00033 EXHAUST DEFLECTOR 1 33 011104 00034 CYLINDER 1 34 011104 00035 FRONT WASHER BUSHING 1 35 011104 00036 FRON...

Page 70: ...ARNING Always disconnect the air supply before changing steel or dismantling the tool for service or repair For maximum safety we advise the installation of a shut off valve at the end of the air line...

Page 71: ...L 2 14 009052 000 PLUNGER 1 15 009052 000 SPRING 3 16 009052 000 BEARING 1 17 009052 000 PLUNGER 2 18 009052 000 LEVER 1 19 009052 000 SPRING 2 20 009052 000 SLEEVE 1 21 009052 000 HEAD 1 22 009052 00...

Page 72: ...s disconnect the air supply before changing steel or dismantling the tool for service or repair For maximum safety we advise the installation of a shut off valve at the end of the air line Specificati...

Page 73: ...VALVE DOWEL PIN 1 51 009350 00051 RIFLE BAR 1 52 009350 00052 ROTATION PAWL 4 53 009350 00053 PAWL PLUNGER 4 54 009350 00054 PAWL SPRING 4 55 009350 00055 RATCHET RING 1 56 009350 00056 RIFLE NUT 1 5...

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