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General MDF15 Operator's Manual

Long reach air tool
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OPERATOR MANUAL
Includes Safety, Service and Replacement Part Information
Model MDF15 and MDF35
Long Reach Air Tool
Form: GOM6019801
Version 1.0
Do not discard this manual. Before operation, read and
comprehend its contents. Keep it readily available for reference
during operation or when performing any service related
function. When ordering replacement parts, please supply the
following information: model number, serial number and part
number. For customer service assistance, telephone
800.533.0524, +507.451.5510. Our Customer Service Department
telefax number is 877.344.4375 (DIGGER 5), +507.451.5511.
There is no charge for customer service activities .
Internet address: http://www.generalequip.com.
E-Mail location: general@generalequip.com.
Copyright 2003, General Equipment Company.

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  • Page 1 OPERATOR MANUAL Includes Safety, Service and Replacement Part Information Model MDF15 and MDF35 Long Reach Air Tool Form: GOM6019801 Version 1.0 Do not discard this manual. Before operation, read and comprehend its contents. Keep it readily available for reference during operation or when performing any service related function.
  • Page 3 Congratulations on your decision to purchase a General light construction product. From our humble beginnings in 1955, it has been a continuing objective of General Equipment Company to manufacture equipment that delivers uncompromising value, service life and investment return.

  • Page 4: Table Of Contents

    THE JOB SITE. Troubleshooting Repair DISASSEMBLY OF THE CYLINDER ASSEMBLY FOR GENERAL MAINTENANCE AND/OR REPAIR PURPOSES. DISASSEMBLY OF THE THROTTLE CONTROL VALVE FOR GENERAL MAINTENANCE AND/OR REPAIR PURPOSES. MDF Series LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 2...

  • Page 5: Description Page

    DESCRIPTION PAGE Storage Specifications Replacement Parts Diagrams Accessory Tool Applications Chart MDF SERIES LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 3...

  • Page 6: Notice To Operators

    Notice to Operators IF YOU CAN NOT READ OR DO NOT FULLY UNDERSTAND THE CONTENTS OF THIS MANUAL, PLEASE CONTACT THE FACTORY FOR PROPER ASSISTANCE BEFORE ATTEMPTING TO OPERATE THIS PRODUCT. SI TU NO PUEDES LE'ER O NO COMPRENDES EL CONTENIDO DE ESTE MANUAL FAVOR DE PONERSE EN CONTACTO CON LA.

  • Page 7: Operational Instructional Data Sheet

    Specifications and design are subject to change without notice or obligation. All specifications are general in nature and are not intended for specific application purposes. General Equipment Company reserves the right to make changes in design, engineering or specifications and to add improvements or discontinue manufacture at any time without notice or obligation.
  • Page 8 MANUAL AND THE APPLICABLE SAFETY AND OPERATIONAL INFORMATION VIDEO TAPE FOR THE LONG REACH AIR TOOL. 3) OSHA RULES AND REGULATIONS RESEARCHED FOR AND/OR BY THE OWNER OF THE LONG REACH AIR TOOL AND DEEMED APPLICABLE TO THE SAFE AND PROPER USE AND/OR OPERATION OF THE LONG REACH AIR TOOL FOR ANY SPECIFIC JOB APPLICATION.

  • Page 9: Safety Precautions

    Safety Precautions must receive adequate, professional instruction regarding the proper operation of the Long Reach Air Tool before being allowed to utilize it. BEFORE attempting to utilize a Long Reach Air Tool read this Operator's Manual and watch the applicable Safety and Operational Information Video Tape to familiarize each operator with its correct operating procedures.

  • Page 10: Operation

    with your doctor BEFORE operating the Long Reach 9) Contact appropriate representatives to determine Air Tool. Guard against the possibility of back related if/where electrical cables, gas lines and other injuries. Always lift the Long Reach Air Tool with leg hazardous items are buried under the work surface muscles and not with the back.

  • Page 11: Maintenance, Repair And Storage

    particles being emitted at high velocity and striking the MAINTENANCE, REPAIR AND STORAGE. operator and/or onlookers. This can lead to the possibility of property damage and/or personal injury. 1) Use only genuine, approved replacement parts and Keep all body parts, loose clothing and foreign objects accessories for maintenance and repair.

  • Page 12: Assembly

    Assembly STANDARDS FOR CONFIGURATION, CAPACITY AND SAFETY CAN RESULT IN PROPERTY DAMAGE AND/OR PERSONAL INJURY. Open the shipping carton immediately upon receipt. Visually inspect the contents of the carton for freight The assembly of the air hose to the Long Reach Air damage and/or missing parts.
  • Page 13 DO NOT OPERATE THE LONG REACH AIR TOOL WITHOUT THE PROPER SUPPORT SPRING SECURED TO THE ATTACH FITTING IF THE AIR HOSE IS NOT OF THE WIRE REINFORCED TYPE. USE OF THE TOOL WITHOUT THE SUPPORT SPRING PROPERLY ATTACHED CAN RESULT IN DAMAGE TO THE HOSE WHERE IT IS CRIMPED TO THE ATTACH FITTING.

  • Page 14: Before Operating The Long Reach Air Tool

    b) A standard air tool coupling device (sometimes Before Operating the Long referred to as a Chicago type coupler) equipped with a Reach Air Tool safety pin connection or a short connecting cable. These safety mechanisms are designed to prevent escaping, high pressure air from uncontrollably whipping the hose in the event that it becomes INFORMATION RELATIVE TO MINIMUM SAFETY,...

  • Page 15: Installing The Model Mdf-1000 Air Caddy

    f) Operate the air tool with operator positions which pressure to the Long Reach Air Tool to be constantly enhance stability, productivity and overall productivity. regulated to a maximum 90 PSI (600 kPa), regardless of the air pressure being developed by the compressed g) Do not operate the air tool without a suitable air source.

  • Page 16: Operation

    the inlet and outlet nipples by use of direct, permanent fittings or coupling type devices. All coupling devices utilized with the Air Caddy must comply with all applicable OSHA and/or industry standards for configuration, capacity and safety. FIGURE 9. FIGURE 7 3) Visually inspect the oil level in the oiler unit.

  • Page 17: California Proposition 65 Disclaimer

    JOB APPLICATION AND THAT IT WILL HAVE considerations, it is required that specific Long Reach SUFFICIENT POWER AND PRODUCTIVITY TO Air Tool components meet minimum acceptable PERFORM ANY SPECIFIC JOB APPLICATION. operational standards BEFORE utilization: IT IS THE RESPONSIBILITY OF THE OPERATOR(S) 1) The air hose assemblies and coupling devices are of AND/OR OWNER(S) OF THE LONG REACH AIR proper type and structural condition that allow them to...

  • Page 18: Determination Of Potential Subsurface Hazards In The Proposed Work Location(S)

    SURFACE AND SUBSURFACE HAZARDS MAY INCLUDE, BUT NOT BE LIMITED TO, THE FOLLOWING: BURIED PRESSURIZED PIPELINES NEVER UTILIZE THE LONG REACH AIR TOOL CONTAINING SUCH MATERIALS AS NATURAL WITH AN IMPROPER NUMBER OF OPERATORS. GAS, PROPANE, ETC. USE OF MORE THAN ONE PERSON TO OPERATE THE LONG REACH AIR TOOL CAN LEAD TO 2) BURIED POWER CABLES.
  • Page 19 tool. The end of the male hexagon shank should be flat and perpendicular to the axis of the tool. FIGURE 4) Insert the male hexagon shank of the accessory tool 10. Properly discard any tool of a bent, crowned or through the opening of the tool retainer.

  • Page 20: Attaching The Long Reach Air Tool To The Air Caddy And Air Hose Assemblies

    OCCURRENCE CAN RESULT IN PROPERTY DAMAGE AND/OR PERSONAL INJURY. 7) Accessory tool removal is accomplished by reversing the installation process. The PN MDF15- 7010 Service Tool can be utilized to help separate the retaining bushing from the tool retainer. A 1/8 inch long handle Allen wrench can also be utilized.
  • Page 21 FIGURE 15 FIGURE 16 4) Determine the location of the compressed air inlet 10) If the Air Caddy is not being utilized for the job and outlet of the Air Caddy. Connect the air hose from application, proceed to manually lubricate the Long the compressed air source to the inlet of the Air Caddy.

  • Page 22: Operating The Long Reach Air Tool

    2) Keep a firm, but steady, grip on the handle grips. Wrap the fingers around the grips, keeping the grips cradled between the thumbs and forefingers. DO NOT OPERATE THE LONG REACH AIR TOOL WITHOUT PROPER LUBRICATION. IMPROPER LUBRICATION TO THE MOVING PARTS OF THE LONG REACH AIR TOOL CAN RESULT IN PROPERTY DAMAGE AND/OR PERSONAL INJURY.
  • Page 23 FIGURE 18 FIGURE 20 4) The throttle control valve is depressed to begin the flow of compressed air to the piston. The piston will 5) Do not depress the throttle control valve unless the begin to strike the accessory tool and provide energy tip, chisel or blade of the accessory tool is in contact for the specific job process.
  • Page 24 a) Deformation of the tool retainer which will compromise its structural integrity, requiring a factory approved replacement only. b) Deformation of the tool receiver which will prevent DO NOT DEPRESS THE THROTTLE CONTROL the male hexagon shank of the accessory tool from VALVE WITH THE ACCESSORY TOOL POINTING being properly inserted and retained.

  • Page 25: Stopping The Long Reach Air Tool

    IT IS THE RESPONSIBILITY OF THE OPERATOR(S) IMPROPER TEMPORARY STORAGE AND/OR OWNER(S) OF THE LONG REACH AIR CONFIGURATION FOR THE LONG REACH AIR TOOL TO DETERMINE OPERATION FOR ANY TOOL CAN RESULT IN PROPERTY DAMAGE SPECIFIC APPLICATION FULL AND/OR PERSONAL INJURY. COMPLIANCE WITH ALL APPLICABLE OSHA AND/OR EPA RESPIRATORY AND CONFINED Store the Long Reach Air Tool temporarily on the job...

  • Page 26: Repair

    TOOL PRODUCES REDUCED BLOW ENERGY PER STROKE Tools Required: Worn distribution valve. Replace distribution valve. 1 each, 1-5/8 inch (42 mm) wrench (MDF15). 1 each, 1-13/16 inch (46 mm) wrench (MDF35). Insufficient pressure from compressed air source. Increase air pressure within the recommended...
  • Page 27 0.7155 (18.1737) for the MDF15 and 0.8625 inch (21.910 mm) for the MDF35 Long Reach Air Tool. c) The tool receiver bushing, PN MDF15-0050 (MDF15) or MDF35-0040 (MDF35), must be free of excessive wear around each corner of the internal hexagon configuration.

  • Page 28: Disassembly Of The Throttle Control Valve For General Maintenance And/Or Repair Purposes

    MDF15-0240 be installed in the proper location within the cylinder head and the PN MDF15-0130 or MDF35- 0130 distribution gauge be reinstalled in the proper position to allow the compressed air to properly flow through the Long Reach Air Tool.
  • Page 29 Clavus 25, BP Energol LPT 80, Esso Zerice 46 and Mobil Almo 525. Specifications WEIGHT (LESS 10 lbs. (4.5 kg) Application: MDF15 Long Reach Air Tool ACCESSORY TOOL) PISTON BORE .72 inch (18.5 mm) Application: MDF35 Long Reach Air Tool PISTON STROKE 1.77 inch (45 mm)
  • Page 30 ENERGY PER BLOW @ RATED 7.6 ft. lbs. (5.6 J) AIR CONSUMPTION AND PRESSURE BLOW FREQUENCY @ RATED AIR CONSUMPTION AND PRESSURE 3100 blows per minute. Frequency rates will decrease with reduced air consumption and pressure values. CONNECTING HOSE CONFIGURATION 3/8 inch (9.5 mm) diameter, 60 inch (1524 mm) nominal length.
  • Page 31 Replacement Parts Diagrams MDF Long Reach Air Tools MDF15 MDF35 MDF SERIES LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 29...
  • Page 32 Long Reach Air Tool Assembly Model MDF15 MDF SERIES LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 30...
  • Page 33 Long Reach Air Tool Assembly Model MDF15 Reference PART DESCRIPTION Number NUMBER MDF15-0010 Retainer, Tool MDF15-0020 Bushing, Retaining MDF15-0040 Deflector, Air MDF15-0050 Bushing, Tool Receiver MDF15-0030 “O” Ring MDF15-0060 Cylinder MDF15-0070 Pin, Alignment MDF15-0080 Nut, Jam MDF15-0090 Piston MDF15-0140 Valve, Distribution...
  • Page 34 Long Reach Air Tool Assembly Model MDF35 MDF SERIES LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 32...
  • Page 35 Cover, Distribution Valve MDF35-0120 Disc MDF35-0130 Gauge, Distribution MDF35-0140 Pin, Alignment MDF35-0150 Head, Cylinder MDF35-0160 Tube, Extension MDF15-0200 Grip, Handle MDF15-0210 Guard, Throttle Control Lever MDF15-0220 Screw, Set, Socket Head MDF15-0230 Lever, Throttle Control MDF15-0240 Pin, Roll MDF15-0250 Housing, Throttle Control Valve MDF15-0260 “O”...
  • Page 36 Accessory Tool Diagrams For Use With MDF15 Long Reach Air Tool Reference PART DESCRIPTION Number NUMBER MDF15-1100 Moilpoint, .371 Inch Hexagon MDF15-1200 1 Inch Chisel, .371 Inch Hexagon MDF15-1300 2 Inch Chisel, .371 Inch Hexagon MDF15-1400 4 Inch Chisel, .371 Inch Hexagon Consult The Application Chart In This Manual For Specific Application Information.
  • Page 37 Accessory Tool Diagrams For Use With MDF35 Long Reach Air Tool Reference PART DESCRIPTION Number NUMBER MDF35-1100 Moilpoint, .580 Inch Hexagon MDF35-1200 1 Inch Chisel, .580 Inch Hexagon MDF35-1300 2 Inch Chisel, .580 Inch Hexagon MDF35-1400 4 Inch Chisel, .580 Inch Hexagon Consult The Application Chart In This Manual For Specific Application Information.
  • Page 38 Accessory Tool Diagrams For Use With MDF35 Long Reach Air Tool Referance PART DESCRIPTION Number NUMBER MDF35-1501 Scraper Blade Holder (Less Blades) 16080000 Washer, Lock, 1/2”, Plated 15080800 Screw, Cap, 1/2” x 1” UNC, Grade 8, Plated MDF35-1600 Blade, Scraper, 5/1-2” Wide MDF35-1610 Blade, Scraper, 8”...
  • Page 39 Air Caddy Asembly Model MDF-1000 Reference PART DESCRIPTION Number NUMBER MDF-1000-010 Frame, Air Caddy EP8-0140 Mount, Rubber MDF-1000-020 Filter, Air MDF-1000-030 Regulator, Air MDF-1000-040 Oiler, Air 18040000 Nut, Hex, 1/4”, Plated 16040000 Washer, Lock, 1/4”, Plated 15040700 Screw, Cap, 1/4-20 x 7/8” UNC, Plated 30040200 Screw, Set, Oval, 1/4-28 x 1/4 UNF EP8HL-0120...
  • Page 40 Display Stand Assembly MDF Series Air Tools MDF SERIES LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 38...
  • Page 41 Display Stand Assembly MDF Series Air Tools Reference PART DESCRIPTION Number NUMBER MDF-1100-0110 Leg, Stand MDF-1100-0230 Leg, Stand, Lower MDF-1100-0140 Base (LH) MDF-1100-0130 Base (RH) MDF-1100-0150 Plate, Base MDF-1100-0100 Tray, Tool Box MDF-1100-0180 Strap, Support MDF-1100-0160 Tube Weldment 660-0560 Tie, Nylon, 6” Long MDF-1100-0170 Rod, Sign MDF-1100-0190...
  • Page 42 FLOOR TILE PART NUMBER AND WAIST CONCRETE COATINGS BUILD-UP ADHESIVE REMOVAL DESCRIPTION COATINGS REMOVAL REMOVAL REMOVAL REMOVAL REMOVAL MDF15-1100 Moilpoint MDF15-1200 1 Inch Chisel • MDF15-1300 2 Inch Chisel • MDF15-1400 4 Inch Chisel • MDF35-1100 Moilpoint • MDF35-1200 1 Inch Chisel...

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Mdf35

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