Minnich A-4SC Operators & Service Manual
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Minnich A-4SC Operators & Service Manual

Dowel drill
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A-4SC/A-5SC Dowel Drill
Operator/Service Manual
Hours of Operation
7:30AM to 4:00PM Mon. – Fri. Eastern Standard Time
1444 State Route 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-A4/A5SC Revised 07/13/16

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  • Page 1 A-4SC/A-5SC Dowel Drill Operator/Service Manual Hours of Operation 7:30AM to 4:00PM Mon. – Fri. Eastern Standard Time 1444 State Route 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-A4/A5SC Revised 07/13/16...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Page # WARRANTY ------------------------------------------------------------------------------------------------------ 4 GENERAL SPECIFICATIONS------------------------------------------------------------------------------- 5 GENERAL SAFETY RULES --------------------------------------------------------------------------------- 7 WORK AREA -------------------------------------------------------------------------------------------- 8 PERSONAL SAFETY --------------------------------------------------------------------------------- 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...
  • Page 3 TABLE OF CONTENTS CONTINUED Section Page # PART BREAKDOWNS PLUMBING DIAGRAM ----------------------------------------------------------------------------------- 22 RAIL ASSEMBLY A11744-00028 ---------------------------------------------------------------------- 28 DRILL SUPPORT 0A9776-00019 --------------------------------------------------------------------- 29 DRILL MANIFOLD ASSEMBLY A12592-00000 ---------------------------------------------------- 30 MULTI FUNCTION MANIFOLD ASSEMBLY A12593-00000 ----------------------------------- 31 FEED MANIFOLD ASSEMBLY A12594-00000 ---------------------------------------------------- 32 TRAVEL CIRCUIT ASSEMBLY A12595-00000 ---------------------------------------------------- 33 VALVE 011549-00000 ------------------------------------------------------------------------------------ 34 TRAVEL VALVE 011526-00000 ----------------------------------------------------------------------- 35...

  • Page 4: 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 5 A-4SC/A-5SC Multiple Drill, Self Propelled On Slab Unit A-4SC/ Model A-5SC Horizontal and Vertical drilling .875” x 4.25” Skew drill bed is available on the A-4SCW Drill Steel Shank (22.2mm x 107.9mm) On grade kit is available 24” (61.0cm) Drill Steel Length U.C.

  • Page 6: General Specifications

    *Based on 2 piece steel and bits. Whirlybits should be 1” (2.5cm) longer for maximum drilling depth. GENERAL SPECIFICATIONS CONT Pneumatic Connection:  An approved air disconnect is required to be installed in accordance to all Local and National Codes. Environmental: ...

  • Page 7: 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 8: 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 9: 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 10: Safety Decal Placement

    A-4SC/A-5SC Safety Decal Kit Placement (011387-00001) 012287-00005 Found in Decal Kit 011387-0000W 012287-00003 Form: MM-A4/A5SC Revised 07/13/16 - 10 -...
  • Page 11 A-4SC/A-5SC Safety Decal Kit Placement Cont. 012287-00006 012287-00062 Form: MM-A4/A5SC Revised 07/13/16 - 11 -...
  • Page 12 A-4SC/A-5SC Safety Decal Kit Placement Cont. 012287-00007 012287-00001 Found in Decal Kit 011387-0000W 012287-00010 Form: MM-A4/A5SC Revised 07/13/16 - 12 -...
  • Page 13 A-4SC/A-5SC Safety Decal Kit Placement Cont. Found in Decal Kit 011387-0000W 012287-00009 Found in Decal Kit 011387-0000W 012287-00064 Form: MM-A4/A5SC Revised 07/13/16 - 13 -...

  • Page 14: 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 15: Drill Steel And Bits In Stock

    cannot be re-sharpened. 8. Whirly bit steel can be re-sharpened twice. 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"...

  • Page 16: 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 17: Set-Up Procedure

    A-4SC/A-5SC Set-Up Procedure CAUTION Before connecting the air compressor: a. Make sure that all lock pins are in their locked position. b. Make sure all controls are in the “off” position and the lift lever (if so equipped) is in the “up” position.

  • Page 18: Operation Procedure

    A-4SC/A-5SC Operation Procedure WARNING Wear proper safety equipment. a. Flying Debris: During drilling, chips may be ejected. b. Dust: Concrete dust will be ejected from the hole. c. Loud Noise: Air compressor and drill unit will create loud noise levels.

  • Page 19: 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 20 TROUBLE SHOOTING AIR DRILL PROBLEM CAUSE REMEDY DRILL RUNS SLOW OR DOES NOT DRILL EFFECTIVELY NOT ENOUGH AIR REACHING ON MULTI DRILL UNITS, TURN OFF ONE OR TWO DRILL. IT SHOULD HAVE DRILLS. IF THE REMAINING DRILLS PICK UP SPEED, CHECK THE AIR COMPRESSOR.

  • Page 21: 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 22: Plumbing Diagram

    Plumbing Diagram (Part 1) Form: MM-A4/A5SC Revised 07/13/16 - 22 -...
  • Page 23 Plumbing Diagram (Part 1) FIG. PART NUMBER DESCRIPTION 011993-00000 BRAKE CALIPER 010829-00005 FITTING, MALE ELBOW 5/32 TUBE TO 1/8 MALE NPT 010842-00001 FITTING, 5/32 Y – TUBE TO TUBE 009070-1.500 CYLINDER, AIR 2-1/2 X 1-1/2 006296-00015 BUSHING, REDUCER PIPE 06-02 006296-00016 BUSHING, REDUCER PIPE 04-02 010935-00000...
  • Page 24 Plumbing Diagram (Part 2) Form: MM-A4/A5SC Revised 07/13/16 - 24 -...
  • Page 25 Plumbing Diagram (Part 2) FIG. PART NUMBER DESCRIPTION 010829-00005 FITTING, ELBOW 5/32 TUBE - 1/8 MALE NPT (1 LESS FOR A-4SC) 010831-00004 FITTING, MALE TEE 5/32 TUBE 1/8 NPT (2 LESS FOR A-4SC) 010923-00000 LIMIT VALVE, MARKER 010842-00002 FITTING, 1/4 Y – TUBE TO TUBE...
  • Page 26 Plumbing Diagram (Part 3) Form: MM-A4/A5SC Revised 07/13/16 - 26 -...
  • Page 27 Plumbing Diagram (Part 3) FIG. PART NUMBER DESCRIPTION 010829-00005 FITTING, M ELBOW 5/32 TUBE TO 1/8 M NPT (1 LESS FOR A-4SC) 010829-00010 FITTING, M ELBOW 1/4 TUBE TO 1/4 M NPT (1 LESS FOR A-4SC) 011700-00000 BLOCKING PLUG 006296-00001...

  • Page 28: Rail Assembly A11744-00028

    Form: MM-A4/A5SC Revised 07/13/16 - 28 -...

  • Page 29: Drill Support 0A9776-00019

    Form: MM-A4/A5SC Revised 07/13/16 - 29 -...

  • Page 30: Drill Manifold Assembly A12592-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 30 -...

  • Page 31: Multi Function Manifold Assembly A12593-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 31 -...

  • Page 32: Feed Manifold Assembly A12594-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 32 -...

  • Page 33: Travel Circuit Assembly A12595-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 33 -...

  • Page 34: Valve 011549-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 34 -...

  • Page 35: Travel Valve 011526-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 35 -...

  • Page 36: Valve 010935-00000 & 010936-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 36 -...

  • Page 37: Valve 011525-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 37 -...

  • Page 38: Valve 010925-00000

    Form: MM-A4/A5SC Revised 07/13/16 - 38 -...

  • Page 39: Marker Assembly A10940-00000

    FIG. PART NUMBER DESCRIPTION A10953-00000 WELDM’T SPRAY CAN HOLDER 008761-00000 CYLINDER, AIR .562 X .5 010826-00001 FITTING, 5/32 TUBE TO 10-32 UNF 008764-00000 CYLINDER ROD EYE 011914-00004 HOSE, 1/4 HYDRAULIC AR17 010941-00000 EYEBOLT 008764-00000 CYLINDER ROD EYE 006036-1.250 HHCS, 1/4-20 X 1-1/4 GR.5 006402-00000 LOCKNUT 1/4-20 010943-00000...

  • Page 40: Pointer & Marker 0A6964-00000

    FIG. PART NUMBER DESCRIPTION A10940-00000 ASSY, MARKER 012006-00000 TUBE, EXTENSION 0A6959-00000 WELDM’T TUBE 006038-1.250 HHCS, 3/8-16 X 1-1/4 GR.5 006072-00000 NUT HEX 3/8-16 006038-1.250 HHCS, 3/8-16 X 1-1/4 GR.5 006072-00000 NUT HEX 3/8-16 0A6961-00000 WELDM’T ADJUSTMENT 0A6965-00000 WELDM’T GUIDE BRACKET 002042-00000 ISOLATOR 006071-00000...

  • Page 41: 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 42: 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 43: 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 44 Form: MM-A4/A5SC Revised 07/13/16 - 44 -...

  • Page 45: Air Motor 005392-00001

    Air Motor 005392-00001 FIG. PART NUMBER DESCRIPTION 005392-01-02 SHAFT SEAL 005392-01-03 O-RING 005392-01-04 BEARING, DRIVE END 005392-01-05 DOWEL PIN 005392-00003 BODY GASKET 005392-01-08 005392-00004 PUSH PIN 005392-00005 VANE SPRING 005392-00006 VANE 005392-01-10 BEARING, DEAD END 005392-00007 END CAP, GASKET 005392-01-13 FELT 005392-00002 SERVICE KIT...

  • Page 46: Lift Group

    Form: MM-A4/A5SC Revised 07/13/16 - 46 -...

  • Page 47: Sprocket Reduction 0A5910-00007

    Form: MM-A4/A5SC Revised 07/13/16 - 47 -...

  • Page 48: Drive Motor And Sprocket 0A5875-00002

    Form: MM-A4/A5SC Revised 07/13/16 - 48 -...

  • Page 49: Steering Spindle 0A5918-00002

    Form: MM-A4/A5SC Revised 07/13/16 - 49 -...

  • Page 50: Drive Assem. A10020-00004, A10021-00004 & A10022-00005

    Form: MM-A4/A5SC Revised 07/13/16 - 50 -...

  • Page 51: Crab And Steering Group A10050-00003

    Form: MM-A4/A5SC Revised 07/13/16 - 51 -...

  • Page 52: Caster 0A5934-00005

    Form: MM-A4/A5SC Revised 07/13/16 - 52 -...

  • Page 53: 50# (23Kg) 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) 2300 Blows Per Minute 7/8” x 4 1/4” (22.2mm x 107.9mm) Chuck Size Air Inlet (NPT) 3/4”...
  • Page 54 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...

  • Page 55: On Grade Attachment A10321-00002

    FIG. PART NUMBER DESCRIPTION 0A8422-00000 WELDM’T, ADJUSTMENT SCREW 007132-00000 COIL NUT 006155-00000 LOCKWASHER, 3/4 0A9960-00002 WELDM’T, DRILL BED HEIGHT ADJUSTMENT 004463-00008 PLATE, MOUNTING 006040-4.000 HHCS, 1/2-13 X 4 GR.5 006406-00000 LOCKNUT, 1/2-13 0A9999-00004 WELDM’T, LIFT ANCHOR ADAPTOR 0A9958-00000 WELDM’T, DRILL BED EXTENSION TUBE 007102-00002 CHAIN, 3/16 CLOSE LINK 006038-1.250...

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A-5sc

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