Multiquip DFG Series manual Operation

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SAFETY PRECAUTIONS

12.When operating the DFG20E or DFG30E electrically powered SURFACE GRINDERs on a surface containing water or other electrically conducting liquid, special precautions must be taken to minimize the possibility of operator electrocution. Once such precaution is to wire and operate the electric motor from a clean, 20 Ampere, 115 Volt AC power source in conjunction with a ground fault circuit interrupter (GFCI). A GFCI is a safety device that disconnects power from a circuit to a load when a potentially dangerous condition occurs. The GFCI opens the circuit when the fault current flow from a power line to a ground exceeds the safe limit for humans.

The GFCI protects against harmful electrical shock to a person caused by contact with a defective electrical product. A GFCI differs from a fuse or circuit breaker. A fuse or circuit breaker opens the circuit when the total current flow in the power line exceeds the safe limit of the power line. They are designed to protect against fire caused by overheating of the power line. Use of a GFCI gives on the job protection from electrical shock hazards caused by ground faults in commercial, industrial and residential applications. They are simple and easy to use: plug a portable GFCI into any suitable, grounded extension cord and plug the SURFACE GRINDER into the GFCI for automatic protection against ground faults.

For specific information, consult current National Electrical Code® publications and OSHA publications 210-22D (or current revision) for construction sites and 555-3 (or current revision) for use around any area containing water.

13.Never exceed the recommended capacities of the SURFACE GRINDER. Refer to the Specifications sections of this manual for more detailed information

OPERATION

1)Give complete and undivided attention to the job at hand. Do not chew gum, smoke and/or use smokeless tobacco while utilizing the SURFACE GRINDER. Do not attempt to eat and/or drink while utilizing the SURFACE GRINDER. Determine that eyeglasses and/or hearing aid devices are properly secured.

Use of the SURFACE GRINDER is strenuous and causes fatigue. Help prevent the cause of an accident. Plan to take work breaks as required to help maintain proper mental and physical alertness.

2)This SURFACE GRINDER is not sealed or insulated. Do not operate the SURFACE GRINDER in an explosive atmosphere or near combustible materials. Refer to current OSHA® rules and regulations.

3)Gasoline is an extremely flammable fuel. Use extreme caution when handling gasoline or mixing fuel. Always utilize UL®, CSA® OR CE approved containers for the storage and transportation of fuel. Do not smoke or bring fire or flame near the fuel. Always shut off the engine and allow it to cool before refueling. Never remove the fuel tank filler cap while the engine is running. Never operate an engine without a fuel tank filler cap. Select bare ground for fueling and move at least 10 feet from the fueling spot before starting the engine.

Wipe off any spilled fuel before starting the engine and check for leakage. If a fuel or oil leak is found, do not start or run the engine until the leak is fixed and the spillage has been wiped away. Take care not to get fuel or oil on your clothing. If this happens, change your clothing

immediately. Before operating the SURFACE GRINDER refer to the Specifications section of this manual for more detailed information regarding fuel and lubrication requirements.

4)The SURFACE GRINDER is designed for use by one operator. Use of the SURFACE GRINDER by more than one operator can lead to confusion and loss of control, resulting in property damage and/or personal injury. If it is felt that more than one person is required to operate the SURFACE GRINDER, STOP and contact the Customer Service Department for specific operational and service/maintenance information. There is no charge for this service.

5)Do not operate the SURFACE GRINDER with onlookers close by. Caution all onlookers to stand clear. The grinding process can result in flying particles being emitted at high velocity and striking the operator and/or onlookers This can lead to the possibility of property damage and/or personal injury. Keep all body parts, loose clothing and foreign objects clear of the rotating drum and flails.

6)Start the engine or electric motor according to the instructions as outlined in this manual to minimize the possibility of unexpected contact with the work surface. Unexpected contact with the work surface can cause the loss of machine control and the possibility of property damage and/or personal injury.

DFG-SERIES SURFACE GRINDERS

OPERATION AND PARTS MANUAL REV #4 (05/28/09)

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Contents Electric Gasoline Page Table of Contents Table of Contents Page Parts Ordering Procedures Page Page Operator Instructional Data Sheet Safety Precautions Safety Precautions Operation MAINTENANCE, Repair and Storage Surface GrinderSafety Precautions Assembly Removing the Surface Grinder from the PalletApplication All Models Installing the SG24-1000 Safety and Dust Shield Assembly KIT Before Starting the Engine Filling the Engine Crankcase with OILApplications DFG/G Surface Grinder Filling the DFG/G Series Engine Fuel TankMULTI-ACCESSORY Attachments and Applications OperationTheory of Operation Grinding StonesTungsten Carbide Grinding Block Scarifier BlocksStar Flail Beam FlailPentagonal Flail Spacer WasherWire brushes Scarifier Block BushingFloor Brushes SCRAPE-R-TACH Industrial Floor Coatings Removal SystemAssembly INSTRUCTIONS/OPERATIONS Follow all safety precautions for the safety solvent Diamond Segment Block Assembly INSTRUCTIONS/OPERATIONS From the Counterrotating Discs Assembly INSTRUCTIONS/OPERATIONS Adjusting the Operator Handle HEIGHT. Application All Models Assembly INSTRUCTIONS/OPERATIONS Assembly INSTRUCTIONS/OPERATIONS Operating the Surface Grinder on the Jobsite Result in Property Damage AND/OR Personal Injury FiureAssembly INSTRUCTIONS/OPERATIONS Stopping the DFG/G Series Gasoline Powered Surface Grinder Application All Models Early Age GrindingDefinitions of floor flatness and levelness How to Define Surface Regularity Defined Versus Random Traffic PatternsTR 34 tolerances for defined traffic floors Assembly INSTRUCTIONS/OPERATIONS MAINTENANCE/SERVICE Maintenance/ServicePreventative Maintenance Check LIST. Application All Models Observe all applicable safety precautions for the solvent MAINTENANCE/SERVICE Checking V-BELT Tension and Alignment MAINTENANCE/SERVICE Lubrication Requirements Electric Motor Service Engine ServiceTroubleshooting TroubleshootingOperational PROBLEMS. Application All Models Uneven MULTI-ACCESSORY Attachment WearAccelerated V-BELT Wear Accelerated Bearing Wear AND/OR FailureStorage StorageSpecifications GeneralPage Explanation of Code in Remarks Column Suggested Spare Parts Units Gasoline EngineUnits Electric Motor Model Qty DescriptionOperator Handle ASSY. Electric Operator Handle ASSY. ElectricHANDLE, Operator Universal HP Motor onlyCABLE, Long CABLE, ShortOperator Handle ASSY. Gasoline Operator Handle ASSY. GasolineCABLE, Throttle KNOB, Throttle ControlQTY Remarks Electric Motor Assy Electric Motor AssyMOUNT, Electric Motor HP 50 HZ MotorSCREW, CAP 5/16-18 UNC X 1 Plated WASHER, Flat 5/16, PlatedGasoline Engine Assy Gasoline Engine AssyENGINE, Honda 11 H.P MOUNT, Gasoline EngineCLUTCH, Pulley Assy CAP, OIL DrainWheel Assy Wheel AssyARM, Swing WheelAXLE, Plated WASHER, Flat ¾ PlatedTransmission Assy Transmission AssyFRAME, Main COVER, TransmissionBEARING, Flange WASHER, Lock 5/16 PlatedHead Assy Head AssyDISC, MULTI- Accessory LH DISC, MULTI- Accessory RHBAR, Mounting DISC, MountingSafety and Dust Shield Assy Safety and Dust Shield AssySkirt Assembly SKIRT, GrinderWASHER, Fender 1/4 , Plated STRAP, SkirtScarifier Assy Scarifier AssyHousing BushingNUT, HEX 3/8 UNC, Nylock Plated WEDGE, PlasticSCRAPE-R-TACH Assy HOLDER, Insert MOUNT, RubberSpacer INSERT, Tungsten CarbideGrinding Block Assy Block RingAggress Grinding General PurposeDecals DecalsDecals Part Name QTY Remarks DECAL, WarningDECAL, Operation DECAL, ThrottlePayment Terms Page HERE’S HOW to GET Help
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