General Equipment EP8HL Operator's Manual
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General Equipment EP8HL Operator's Manual

Hazardous location ventilation blower
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OPERATOR MANUAL
Includes Safety, Service and Replacement Part Information
Model EP8HL
Hazardous Location
Ventilation Blower
Form: GOM7069501
Version 1.3
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 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.
  • 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

    FLOW RATES FOR MODEL EP8HL HAZARDOUS LOCATION, PORTABLE AIR VENTILATION BLOWER. CONNECTING THE MODEL EP8HL BLOWER TO THE POWER SOURCE. USE OF THE FACTORY SUPPLIED, STATICALLY CONDUCTIVE DUCTS WITH THE MODEL EP8HL BLOWER. GENERAL INFORMATION REGARDING PORTABLE AIR VENTILATION BLOWER USE DURING CONFINED SPACE ENTRY.

  • Page 5: Notice To Operator

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 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 6 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 7: Operational Instructional Data Sheet

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 Operator Instructional Data Sheet The following undersigned operators of the Blower described and/or pertaining to this Operator's Manual have received formal safety and operational information/instruction from the undersigned owner(s)/instructor(s) in accordance to OSHA 29 CFR 1926.21 (b)(2) and/or applicable updated revisions pertaining to, but not necessarily...

  • Page 8: Safety Precautions

    Each operator must receive adequate, professional instruction regarding the proper operation of this Blower BEFORE being allowed to operate it. MODEL EP8HL PORTABLE AIR Refer to OSHA 2207 (and/or applicable updated VENTILATION BLOWER. revision) which contains all OSHA job safety and health rules and regulations (1926 and 1910) covering construction.
  • Page 9 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 doctor BEFORE operating the Blower. Guard against motor may cause an electrical shock and/or the possibility of back related injuries. Always lift the electrocution, resulting in personal injury or even Blower with leg muscles and not with the back.

  • Page 10: Operation

    Such movement can cause injury to the operator(s) or damage to the Blower itself. 16) The EP8HL Blower is certified by Canadian Standards Association for use only in the following 5) Do not operate the Blower without the inlet and hazardous location type atmospheres as defined by outlet screens properly secured and in place.

  • Page 11: Maintenance, Repair And Storage

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 7) Never operate the Blower without a duct properly Personal injury can result from being struck by a attached to its outlet. Operating the Blower without a square key being thrown from the motor shaft.

  • Page 12: Assembly

    INSTALLING THE RUBBER MOUNTS TO THE FRAME. Tools Required: 2 each, 7/16 inch wrenches The EP8HL Blower is shipped from the factory secured to a plywood base. The base provides support and additional structural integrity for the Blower during transit. Before placing the Blower into service, proceed to remove it from the plywood base.
  • Page 13 Customer Service Department for assistance BEFORE utilizing the Blower. There is no charge for this service. FIGURE 2 OPERATION OF THE EP8HL BLOWER REQUIRES A DIRECT CONNECTION TO A 115 VOLT NOMINAL, SINGLE PHASE, ALTERNATING CURRENT (AC), DO NOT OVER TORQUE THE HEXAGON NUTS.

  • Page 14: Introduction

    BLOWER DESIGN CONSIDERATIONS. To help differentiate the EP8HL Blower against other, Do not attempt to operate the EP8HL Blower until a portable air ventilation blower products manufactured formal confined space ventilation training program by General Equipment Company, the following design...

  • Page 15: Model Ep8Hl Blower Operating Classifications And Limitations

    HAZARDOUS LOCATION TYPE ATMOSPHERE certified hazardous location classes and groups are NOT MEETING THE ABOVE CLASS AND GROUP also depicted. The EP8HL Blower is designed to be AS DEFINED BY THE NATIONAL ELECTRIC CODE. utilized only in the hazardous location atmospheres USE IN ANY OTHER HAZARDOUS LOCATION depicted on the data plate.

  • Page 16: Blower Operation

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 product liability lawsuit brought forth against it for any alleged defect occurring from and/or associated with the use of the EP8HL Blower. HAZARDOUS LOCATION REQUIRE ADDITIONAL CONSIDERATIONS INCLUDING, BUT Operation NOT LIMITED TO, PROPER ELECTRICAL WIRING...

  • Page 17: Confined Space Regulation Disclaimer

    EP8HL BLOWER. such threat---existing or potential. This distinction is accomplished through a series of three definitions The EP8HL Blower is certified by the Canadian essential to the application of the standard. The first is Standards Association® (CSA®) for use in the...

  • Page 18: Basic Definitions Of Hazardous Locations Type Atmosphers

    Typical Class I Locations Include: Petroleum refining facilities. Dip tanks containing flammable or combustible liquids. Dry cleaning plants. DO NOT OPERATE THE EP8HL BLOWER IN A Plants manufacturing organic coatings. HAZARDOUS LOCATION ATMOSPHERE NOT Spray finishing areas (residue must be considered).

  • Page 19: Static Electricity Considerations For Hazardous Location Type Confined Space Ventilation

    Blower is direct blow against an exterior surface of the EP8HL being operated in the appropriate hazardous location Blower can be greatly minimized. The use of an type atmosphere.

  • Page 20: Flow Rates For Model Ep8Hl Hazardous Location, Portable Air Ventilation Blower

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 lower than any material classified in any of the Class I Flow rates for the EP8HL Blower were calibrated by or Class II groups. the Colorado Engineering Experiment Station, Inc. Blower components were tested per AT&T standard...
  • Page 21 National Electric Code® limits flexible power cords to connections between portable utilization equipment such as the EP8HL Blower and the fixed portion of a supply circuit. A cord connector used as an extension cord, therefore, is not permitted unless specifically approved for the location.
  • Page 22 Appleton ECCL2023 receptacle certified for use in the appropriate 5) The EP8HL Blower utilizes the ground cable of the hazardous location atmospheres is available in 50 and power cord to dissipate static charges that are created 100 foot lengths.

  • Page 23: Use Of The Factory Supplied, Statically Conductive Ducts With The Model Ep8Hl Blower

    Blower outlet. FIGURE 5. The A STATIC ELECTRICAL CHARGE AS A RESULT OF EP8HL Blower is designed to utilize only factory AIR MOVING ACROSS THE SURFACES OF THE supplied, statically conductive ducts. If it is determined BLOWER AND DUCT.
  • Page 24 If the clamp is determined not to be usable, perform the necessary maintenance procedures to properly remove all accumulated dirt and/or corrosion. THE EP8HL BLOWER IS DESIGNED TO UTILIZE Discard and properly replace any clamp with a factory ONLY THE FACTORY SUPPLIED, STATICALLY replacement part if the copper plating has been CONDUCTIVE DUCTS.
  • Page 25 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 a) Visually inspect each duct for proper structural integrity. b) Inspect each static ground wire and clamp for proper structural integrity and freedom of dirt and /or corrosion TO MINIMIZE THE POTENTIAL FOR A STATIC accumulation.

  • Page 26: General Information Regarding Portable Air Ventilation Blower Use During Confined Space Entry

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 BEFORE UTILIZING THE BLOWER, CHECK ALL APPLICABLE FEDERAL, STATE, INDUSTRY AND LOCAL REGULATIONS REGARDING THE USE OF FLAME RESISTANT AND/OR SELF EXTINGUISHING DUCT MATERIALS FOR THE INTENDED APPLICATION. RESPONSIBILITY OF THE OWNER(S) AND/OR...
  • Page 27 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 CONFINED WORK SPACE BEFORE ALLOWING PERSONNEL TO ENTER. IT MAY SAVE A LIFE OR MINIMIZE THE CHANCE OF AN EXPLOSION. What are the hazards involved when entering and THE OXYGEN LEVEL IN A CONFINED SPACE IS A working in a confined work space? CRITICAL FACTOR FOR WORKER SAFETY.

  • Page 28: Typical Confined Space Air Ventilation Procedures

    Their effects can cause death in just a matter of seconds or over a long period of time. Take 1) The EP8HL Blower must never be utilized by itself the time to fully understand what you are dealing with for portable, air ventilation purposes.
  • Page 29 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 the confined work space to support life, or the 4) Make periodic tests while working and always after atmosphere could be so oxygen rich that it is likely to taking any work break. Harmful gases can accumulate...

  • Page 30: Stopping The Model Ep8Hl Blower

    Blower housing, clean and free of dirt and/or corrosion. STOPPING THE MODEL EP8HL BLOWER. REMOVING THE BLOWER WHEEL FROM THE MOTOR SHAFT. 1) Stopping the EP8HL Blower is accomplished by pushing the ON/OFF switch to the OFF position. Tools Required: 2 each, 7/16 inch wrenches...
  • Page 31 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 2) Loosen the set screw with the 5/32 inch Allen 5) Reinstall the exhaust screen assembly when the wrench and remove the blower wheel from the motor front casting is reassembled to the Blower. The shaft.

  • Page 32: Electric Motor Maintenance

    Blower is provided for static dissipation redundancy. A duct repair kit, Part Number EP8HL-1200, is available to facilitate field repairs to the duct material. This kit includes replacement patching material, a special statically conductive adhesive, a Material Safety Data Sheet and complete instructions.
  • Page 33 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 With use, the inside of the duct will become covered a) Wire helix. with an oil/dirt film that can create additional friction b) Fabric material. between the moving air and the duct. The result can be c) Attachment cuff.

  • Page 34: Troubleshooting

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 RANDOM SPARK TO BE THE IGNITION SOURCE OF AN EXPLOSION, RESULTING IN PROPERTY DAMAGE AND/OR PERSONAL INJURY. Troubleshooting Observe all applicable safety precautions for the solvent. ELECTRIC MOTOR FAILS TO OPERATE. 2) Follow the procedure as outlined in the material provided by the electric motor manufacturer detailing Improper cord cap connection to power source.

  • Page 35: Appendix

    The following explains the data presented as to: PURPOSE OF THE APPENDIX a) FLASH POINT b) IGNITION TEMPERATURE * to assist the operator(s) of the Model EP8HL Blower c) FLAMMABLE LIMITS in interpreting the National Electrical Code®. d) VAPOR DENSITY...
  • Page 36 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 Definition of Flammable (Explosive) Limits EXPLANATIONS OF THE FOLLOWING CLASS I GAS AND VAPOR TABLES. Flammable limit, like flash point, is an important index of the relative hazards of the various gases and Data on Class I gases and vapors presented in the vapors.
  • Page 37 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 Layer Ignition Temperature is the ignition point of with ratings below these levels are not considered combustible dusts that collect on beams, ledges, combustible; that is, they are not generally considered machinery and other surfaces that are subject to flash to be significant explosion hazards.
  • Page 38 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 explosive limit concentration and the energy necessary for ignition. Moisture Content Moisture in dust particles raise the ignition temperature rating of the dust. For example, the ignition temperature of cornstarch may rise as much as 122˙F with an increase in moisture from 1.6 percent to 12.55...
  • Page 39 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2...
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  • Page 47 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2...

  • Page 48: Replacements Parts Diagram

    EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 Service Parts Section EP8HL Hazardous Location Ventilation Blower...
  • Page 49 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 EP8HL Series Portable Ventilating Blower...
  • Page 50 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 EP8HL Series Portable Ventilating Blower Referance PART DESCRIPTION Number NUMBER EP8HL-0010 Frame, main EP8HL-0140 Motor, Electric, Explosion Proof, 1/3 HP EP8HL-0020 Cover, Main Frame EP8HL-0080 Housing, Blower, Rear EP8HL-0090 Housing, Blower, Front EP8-0030...
  • Page 51 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 EP8HL Series Portable Ventilating Blower Referance PART DESCRIPTION Number NUMBER C8119-1024 Nut, Tinnerman, #10-24 EP8HL-5040 Plate, Switch, ON/OFF EP8HL-5130 Plate, Serial Number/Flow Rate EP8HL-5021 Plate, Danger, French EP8HL-5020 Plate, Danger, English EP8HL-5030 Plate, Electrical Information...
  • Page 52 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 EP8HL Series Portable Ventilating Blowers Hose Storage Cannisters...
  • Page 53 EP8HL HAZARDOUS BLOWER FORM GOM7069501, VERSION 1.2 EP8HL Series Portable Ventilating Blowers Hose Storage Cannisters Referance PART DESCRIPTION Number NUMBER SCHL8150010-010 Cannister, Blower Duct (For Use On SCHL815 Cannister) SCHL8250010-010 Cannister, Blower Duct (For Use On SCHL825 Cannister) SCHL825-0020 Handle, Hose...

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