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Minnich A-3 Operators & Service Manual

Dowel drill
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A-3/A-5 Dowel Drill
Operator/Service Manual
1444 St Rt 42
Phone: 419.903.0010
www.minnich-mfg.com
Toll Free: 800.524.1033
Mansfield, OH 44903
e-mail: sales@minnich-mfg.com
Fax: 419.903.0110
Form: MM-A3/A5 Revised 9/8/14
- 1 -

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  • Page 1 A-3/A-5 Dowel Drill Operator/Service Manual 1444 St Rt 42 Phone: 419.903.0010 www.minnich-mfg.com Toll Free: 800.524.1033 Mansfield, OH 44903 e-mail: sales@minnich-mfg.com Fax: 419.903.0110 Form: MM-A3/A5 Revised 9/8/14 - 1 -...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Page # WARRANTY ------------------------------------------------------------------------------------------------------- 3 GENERAL SPECIFICATIONS -------------------------------------------------------------------------------- 4 GENERAL SAFETY RULES ---------------------------------------------------------------------------------- 6 WORK AREA --------------------------------------------------------------------------------------------- 7 PERSONAL SAFETY ----------------------------------------------------------------------------------- 7 TOOL USE AND CARE -------------------------------------------------------------------------------- 7 SERVICE -------------------------------------------------------------------------------------------------- 8 SAFETY DECAL PLACEMENT ------------------------------------------------------------------------------ 9 DRILL STEEL AND BITS ------------------------------------------------------------------------------------- 11 WARRANTY --------------------------------------------------------------------------------------------- 11 GENERAL NOTES ------------------------------------------------------------------------------------- 11...

  • Page 3: Warranty

    WARRANTY AND SERVICE AGREEMENT Minnich Manufacturing Co. warrants to the original purchaser that, if any part of the product proves defective in material or workmanship within 90 days from purchase, and is returned to Minnich Manufacturing Co. within 90 days after the defect is discovered, Minnich Manufacturing Co.
  • Page 4 Dust collection is available (7.6cm to 30.5cm) From Top of Slab Hydraulic Power Rotation optional Minimum Cutout Width 48” (121.9cm) Wireless Control optional Weight A-3 1500lbs. (680.4kg) 2000lbs. (907.2kg) Weight A-5 Specifications shown are standard. 180 RPM Rotation Variations to the standard are available.

  • Page 5: General Specifications

    GENERAL SPECIFICATIONS CONT Pneumatic Connection: • An approved air disconnect is required to be installed in accordance to all Local and National Codes. Environmental: • +5°C to +40°C (+41°F to +104°F) • 50% Rh at +40°C (+104°F), (90% Rh at +20°C (+68°F)) •...

  • Page 6: General Safety Rules

    GENERAL SAFETY RULES This manual contains NOTES, CAUTIONS, and WARNINGS. These MUST be followed to prevent the possibility of improper use, incorrect servicing, damaging the equipment, or personal injury. Read and comply with all NOTES, CAUTIONS and WARNINGS included in these instructions.

  • Page 7: Work Area

    - WORK AREA – Keep your work area clean and well lit. Cluttered and dark areas invite accidents. Keep bystanders, children, and visitors away while operating a power tool. Distractions can cause you to lose control. - PERSONAL SAFETY - Stay alert, watch what you are doing and use common sense when operating a power tool.

  • Page 8: Service

    – SERVICE – DO NOT run the drill unit while you make adjustments and repairs unless the procedure is approved. Escaping fluid and air under pressure can have sufficient force to penetrate the skin causing serious personal injury. If injured by escaping fluid or air, see a doctor at once. Serious infection or reaction can develop if proper medical treatment is not administered immediately.

  • Page 9: Safety Decal Placement

    A-3/A-5 Safety Decal Placement (A11395-00001) 012287-00003 012287-00008 012287-00002 Form: MM-A3/A5 Revised 9/8/14 - 9 -...
  • Page 10 A-3/A-5 Safety Decal Placement Cont. 012287-00007 012287-00006 012287-00005 Drill Steel and Bits - 10 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 11: Drill Steel And Bits

    Minnich Manufacturing’s drill steel and bit warranty 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.

  • Page 12: Drill Steel And Bits In Stock

    Drill Steel & Bits In-Stock 1 Piece Steel & Bit (Whirly Bit) Part Number Hole Diameter Shank Size UC Length 005367-12.00 5/8" (15.9mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm) 005367-24.00 5/8" (15.9mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 24"...

  • Page 13: Usage Calculation

    Usage Calculation The calculations below are nominal and could vary depending on the hardness of the concrete, aggregates used and the possibility of bits hitting steel reinforcement. Whirly Bit, Taper Bit and “H” Thread Bit (B)Bit=180 holes x 9” (22.86cm) B=1620”...

  • Page 14: Set-Up Procedure

    Set-Up Procedure 1. Make sure that the lubricator is full. See Recommended Lubricants below. 2. Use a 1-1/4” (2 Gang), 1-1/2” (3 and 4 Gang) or 2” (5 Gang) hose to supply air to the unit. 3. Install the drill steel and bit. See drill bit installation page. 4.

  • Page 15: Trouble Shooting

    TROUBLE SHOOTING AIR DRILL IF SYMPTOMS OF POOR PERFORMANCE DEVELOP, THE FOLLOWING CHART CAN BE USED AS A GUIDE TO DETERMINE THE PROBLEM. WHEN DIAGNOSING FAULTS IN OPERATION OF THE AIR DRILL, ALWAYS CHECK THAT THE COMPRESSOR IS SUPPLYING THE CORRECT SCFM AND AIR PRESSURE AS LISTED IN THE TABLE PROBLEM CAUSE REMEDY...
  • Page 16 FOLLOWING ARE SUPPLY LINE SIZES FOR DRILLING: A-1 SINGLE DRILL 3/4" (19mm) A-2 TWO DRILLS 1-1/4" (31.75mm) A-3 & A-4 THREE & FOUR DRILLS 1-1/2” (38.1mm) A-5 FIVE DRILLS 2" (50.8mm) AIR PRESSURE TO CYLINDER EXCESSIVE PRESSURE CAN CAUSE DRILL TO “BIND “FEEDING”...

  • Page 17: Cylinder Service Kits

    Cylinder Service Kits Oversize Rod Cylinders (Feed) Standard Rod Cylinders Rod Diameter Service Kit Part # Rod Diameter Service Kit Part # 5/8” (1.59 cm) A12899-1.500 1.50” (3.81 cm) Bore 1” (2.54 cm) A12895-2.500 5/8” (1.59 cm) A12899-2.500 2.50” (6.35 cm) Bore 1 3/8”...

  • Page 18: Plumbing Drawing A11593-00003-A

    - 18 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 19: Plumbing Drawing A11593-00003-B

    - 19 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 20: Drill Support Assembly 0A9776-00019

    - 20 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 21: Rail Assembly A11744-00028

    - 21 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 22: Valve 010925-00000

    - 22 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 23: Valve 011549-00000

    - 23 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 24: Pressure Regulator 002880-00000

    PRESSURE REGULATOR MINNICH P/N 002880-00000 OPERATION A regulator is used in a compressed air system to maintain nearly constant outlet pressure despite changes in the inlet air pressure and changes in downstream flow requirements. Outlet pressure is controlled by the adjusting screw (1). clockwise rotation increases and counter- clockwise rotation decreases outlet pressure setting.

  • Page 25: Pressure Regulator 011703-00000

    CONSULT C.A. NORGREN CO. PRESSURE REGULATOR MINNICH P/N 011703-00000 Standard Units: Relieving Maximum supply Pressure: 250 PSI (17 Bar) F to 120 F (4.4°C to 48.9°C) Operating Temperature Range: 40 WARNING FOR COMPRESSED AIR SERVICE ONLY. NOT TO BE USED ON LIFE SUPPORT SYSTEMS.

  • Page 26: Filter - In-Line 004955-00000

    - 26 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 27: Lubricator 003843-00000

    Lubricator (003843-00000) Warning: DO NOT place plastic bowl unit in service without metal bowl guard installed. Plastic bowl units are sold only with metal bowl guards. To minimize the danger of flying fragments in the event of plastic bowl failure, the metal bowl guards should not be removed. If the unit is in service without the metal bowl guard installed, manufacturer’s warranties are void, and the manufacturer assumes no responsibility for any resulting loss.
  • Page 28 - 28 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 29: Lubricator 003843-00001

    Lubricator (003843-00001) Warning: DO NOT place plastic bowl unit in service without metal bowl guard installed. Plastic bowl units are sold only with metal bowl guards. To minimize the danger of flying fragments in the event of plastic bowl failure, the metal bowl guards should not be removed. If the unit is in service without the metal bowl guard installed, manufacturer’s warranties are void, and the manufacturer assumes no responsibility for any resulting loss.
  • Page 30 - 30 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 31: Skid Steer Mount Assembly A11828-00000

    - 31 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 32: Backhoe Mount Assembly A11828-00001

    - 32 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 33: Backhoe Mount Assembly A11828-00004

    - 33 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 34: Spindle Assembly 0A4495-00001

    - 34 - Form: MM-A3/A5 Revised 9/8/14...

  • Page 35: Main Drill Frame Assembly

    Form: MM-A3/A5 Revised 9/8/14 - 35 -...

  • Page 36: Main Drill Fram Assembly With Side Shift

    Form: MM-A3/A5 Revised 9/8/14 - 36 -...

  • Page 37: Skid Steer - Side Shift Mount A11933-00000

    Form: MM-A3/A5 Revised 9/8/14 - 37 -...

  • Page 38: Lb (23 Kg) Rock Drill 0A9350-00000

    50# (23kg) Rock Drill 0A9350-00000 When ordering replacement parts you need to furnish the model and serial number of the drill tool. Specifications Net Weight 51lbs. (23kg) Blows Per Minute 2300 7/8” x 4 1/4” (22.2mm x 107.9mm) Chuck Size 3/4”...
  • Page 39 FIG. PART # DESCRIPTION 009350-00001 BACKHEAD ASSEMBLY 009350-00013 AIR CONNECTION WASHER 009350-00016 BLOW TUBE GLAND 009350-00017 TUBE GLAND GASKET 009350-00018 BLOW TUBE GASKET 009350-00020 BLOW TUBE 009350-00022 PLUG ADAPTOR 009350-00037 CYLINDER 009350-00038 EXHAUST DEFLECTOR 009350-00039 BLOWING CONECTION 009350-00043 FRONT WASHER BUSHING 009350-00044 FRONT WASHER 009350-00046...

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A-5

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