Atlas Copco LGRV Ground Rod Driver Safe
Contents
1. affect your vision reaction ability or judgments Technical Data Atlas Copco LGRD LGRD w remote valve Weight without hoses remote valve and adaptor 20 5 kg LGRD w remote valve Service weight incl tail hose valve and adaptor 24 0 kg SRIAN VANS A a BE 25 30 I p m Working pressure eii da 105 125 bar Max back pressure in return line measured at ground rod driver oocooonnccccnnnncccco 15 bar Hydraulic oil working temperature 30 70 C High pressure accumulator charging pressure Nitrogen 50 bar Pressure relief valve Setting max ooooococonnccccnnononcccnonannncnnnannnnnnnnnnncnnnnnanrnnnnanannn 160 bar Blow frequency at 30 p M srt 29 Hz 1740 1 min Imp tenrgy mee E a E R REA 70 Joule Connections P and Tssssresiorendansen tres Standard BSP alternatively Y JIC Required cooling capacity in case of alternative power source Approx 2 kW Vibration level 15086675 a 19 1 m s2 H A Sound pressure level 1 m ISO 11203 0ooocconoccccnonoccccnononcnccnnnnncnnnnnnnncnnnnnnccnnos LPA 97 dB Measured sound power level 2000 14 EC 00oooconccccccnoniccccconoccncccnnnancncnnnnncnos LWA 108 dB Guaranteed sound power level 2000 14 EC 0cooonccccccnnncccccccnnccccconanancnnananess LWA 111 dB English Service schedules A WARNING Maintenance work must only be done by competent personnel A CAUTION Only use lubricants and hydraulic fluids recommende2. and its safe operation Using this handbook Read this handbook from front to back before using the ground rod driver for the first time Particular attention must be given to all the safety aspects of operating and maintaining the ground rod driver Ground rod driver model and serial number The following ground rod drivers are covered by this handbook Ground rod driver with remote control valve 0 LGRD RV16 for 16mm 5 8 rod LGRD RV 25 for 25 4mm 1 rod Serial No The serial number of your ground rod driver is stamped on the barrel as shown and on the dataplate It is important to quote the serial number when making repairs or ordering parts Identification of the serial number is the only means of ensuring that you receive the correct part for your particular ground rod driver EHTMA categorization The A C range of hydraulic ground rod drivers are categorized by the EHTMA as Category D Ground rod drivers and can be safely used on any hydraulic powerpack displaying the brown EHTMA D decal as shown below 30 1 p m at 138 bar EHTMA CATEGORY Personal protective equipment A WARNING Long term exposure to loud noise can cause permanent damage to hearing if ear protectors are not used A WARNING Long term exposure to vibration can cause progressive injury to the fingers hands and wrists Do not use the machine if you are experiencing discomfort cramp or pain Consult your doctor before continui
3. or damaged Striker piston seized Insufficient available pressure Low accumulator gas pressure Normally associated with violent shaking of hoses Stopping bush in nose casting loose Insufficient flow Cold oil High return line back pressure Incorrect oil Q R coupling defect Inadequate cooling of hydraulic oil Remedy Check output with flow and pressure tester Check that pressure feed is connected to P port on the LGRD Remove and check Clean all associated parts Remove and check for pick up on piston feeder or barrel Replace any damaged parts Check Main Relief Valve Re charge the accumulator refer to Service Manual Apply Loctite 648 and press back Check that the flow rate is correct Warm up the oil supply Optimum temperature 30 70 C 86 158 F Check return line back pressure Pressure should not exceed 10 bar Use only Hydraulic Oil according to spec Locate and replace defect coupling Check oil supply has adequate cooling Temperature should not exceed 80 C 176 F Any unauthorized use or copying of the contents or any part thereof is prohibited This applies in particular to trademarks model denominations part numbers and drawings
4. Atlas Copco Hydraulic ground rod driver Operator s Instructions LGRD RV 16 LGRD RV 25 AIB 2006 03 Copyright 2005 No 3392 5007 O1a ATLAS COPCO CONSTRUCTION TOOLS AB STOCKHOLM SWEDEN www atlascopco com English Safety regulations These instructions contain important sections dealing with safety Special attention must be paid to all framed safety text that begins with a warning symbol triangle followed by a signal word as shown below denotes a hazard or hazardous procedure which CAN lead to serious or life threatening injuries if the warning is not observed denotes a risk or risky procedure which CAN lead to personal injury or damage to equipment if the caution is not observed Also observe the following general safety rules Before starting the product read through these instructions carefully For reasons of product safety the product must not be modified Use approved personal protective equipment e Use Atlas Copco Genuine Parts only Replace damaged or worn plates e Only trained personnel may work on the product About this handbook To operate the A C range of hydraulic ground rod drivers efficiently and safely you must know the ground rod driver and have the skill to use it You must also be a competent operator of the machine supplying the ground rod driver with hydraulic power This handbook is designed to give you a good understanding of the ground rod driver
5. CAUTION Do not operate the LGRD without pressure being applied e g Do not press the remote control valve RC on the LGRD in the air Such repeated action may result in damage to the LGRD If the energy supply to the LGRD is interrupted release the remote control valve RC immediately to prevent damage Choice of ground rod driver The A C range of the LGRD is a heavy duty hydraulically powered reciprocating tools designed for driving ground rods of various lengths The high power to weight ratio and low vibration reduce operator fatigue and increase productivity Included is a remote double acting operating valve that allows operation on either open center or closed center hydraulic systems The LGRD RV 25 can drive rods up to 25 mm 1 in diameter The LGRD RV16 accommodates rods up to16 mm 0 625 in diameter Year of manufacture See the ID tag Atlas Copco Construction Tools AB NACKA SWEDEN MOK MAX PRESS BAR YEAR Correct working methods Note Low High Temperatures In cold conditions warm up the ground rod driver by light use for a few minutes before starting work 1 Start the power source Note Allow the power source to run for a few minutes to warm the hydraulic fluid 2 Remove the protective caps from the quick release couplings 3 Clean the quick release couplings if needed and connect the tail hoses to the extension hoses of the power so
6. alled the working temperature This will be depending on the type of work and the cooling capacity of the hydraulic system between 20 40 C above the ambient temperature At working temperature oil viscosity must lie within the preferred limits The viscosity index indicates the connection between viscosity and temperature This is the reason why a high viscosity is preferred 8 because then the oil can be used within a wider range of temperatures The ground rod driver shall not be used if oil viscosity fails to remain within the permitted area or if the working temperature of the oil does not fall between 20 C and 70 C Daily Clean 1 The ground rod driver and hoses Check Ground rod driver disconnected 2 All hydraulic connections 3 For damage to the ground rod driver and its hoses Monthly Check Ground rod driver disconnected 1 Torque tightness of all fasteners 2 The bush in nose casting for wear or damage 3 Wear on the shank of the ramming tool Every 600 operating hours or yearly whichever occurs first 1 Overhaul the ground rod driver refer to the overhauling instructions Fault finding A WARNING English Maintenance must be done only by suitable qualified and competent persons Symptom Ground rod driver fails to operate LGRD lacks striking power LGRD runs slow LGRD runs hot Possible fault No flow from supply Hoses incorrectly fitted Main spool jammed
7. ar hazards Read and make sure you understand the safety message before you work with the ground rod driver Keep all decals clean and readable Replace lost or damaged decals The decals on the ground rod driver are as shown Connecting disconnecting the ground rod driver Connecting the ground rod driver 1 Ensure that the hydraulic supply meets the requirements of the ground rod driver see Specification Section and it is stopped Note The A C range of hydraulic ground rod drivers can be connected to any supply suitable for this particular piece of equipment see Specification Section 2 Connect the hydraulic hoses Make sure the hoses are clean and not damaged before connecting them The connectors are of the quick release type Make sure they lock in place e Oil supply If the oil supply of the power source exceeds the flow prescribed the engine r p m must be reduced until correct oil flow is achieved test equipment order No 3371801154 can be used o Oil flow divider If the oil flow cannot be adjusted by lowering the r p m an oil flow divider must be installed This will secure the ground rod driver the correct oil flow and lead excess oil back to the tank or to the operating valve block o Pressure relief valve To protect the ground rod driver against too high a pressure the pressure relief valve of the powerpack must be set in accordance with the technical data If that is not possi
8. ble connection can be made by installing a separate pressure relief valve In case of doubt contact your dealer o Back pressure The back pressure return line pressure of the ground rod driver should be as low as possible and may not exceed max Back pressure see technical data measured at the ground rod driver in order to avoid functional disturbances o Filter The power source must be fitted with a return line oil filter with a filter rating of 10 251 o Oil cooler Oil coolers must be able to stand a pressure of min 10 bar and should be provided with a by pass valve opening at a pressure of 2 bar in case of pulsations in the return line The LGRD requires an oil flow of 25 30 I p m and then works at a pressure of 105 125 bar Disconnecting the ground rod driver A WARNING Hydraulic oil at pressure can injure you Follow the instructions below for connecting the hoses 1 Stop the hydraulic supply 2 Disconnect the hoses by pulling up the knurled locking rings and pulling up the couplings Fit blanking caps to the hoses Hydraulic hoses For connecting the ground rod driver the hydraulic hose shall be approved for a working pressure of at least 140 bar and have a Y inner diameter To resist exterior wear and tear we recommend using a 2 layer hydraulic hose The connection on the ground rod driver marked with a P pump is the entry point for oil and that marked with a T tank is the exit point Quick re
9. d by Atlas Copco To make sure your ground rod driver keeps working to maximum efficiency it is essential that it is properly and regularly maintained in accordance with the service schedules included in this handbook Badly maintained equipment can be a danger to the operator and the people working around him Make sure that the regular routine maintenance and lubrication jobs listed in the service schedules are done to keep the equipment in a safe and efficient working condition Do not use equipment which is due for a service Make sure that any defects found during the regular routine maintenance checks are rectified before you use the equipment Scrapping worn out machines Worn out machines should be scrapped so that as much material as possible is recovered and to cause as little environmental impact as possible NB Before a worn out hydraulic ground rod driver is scrapped it must be emptied and cleaned of all hydraulic oil Waste hydraulic oil shall be handled in such as way as to cause no environmental impact Recommended hydraulic oil In order to protect the environment Atlas Copco recommends the use of biologically degradable hydraulic oil Viscosity preferred 20 40 cSt Viscosity _ permitted 15 100 cSt Viscosity index Min 100 Standard mineral or synthetic oil can be used When the ground rod driver is used continuously the oil temperature will stabilize at a level which is c
10. lease couplings In the original hydraulic hoses are fitted with Flat Face quick release couplings This kind of quick release coupling is stronger and easier to clean The quick release couplings are fitted so that the male connection supplies the oil and the female connection receives the oil Quick release couplings shall be approved for a minimum 140 bar working pressure This section is intended as a guide to using the ground rod driver A WARNING Never lean against the ground rod driver in order not to loose foothold if the rod should break by accident or ifthe rod suddenly sinks IN WARNING Never rest the rod in a driver on your foot or against your body A WARNING Please read the maintenance instructions carefully before using the hydraulic ground rod driver for the first time When working in some materials particles can fly Make sure no one else is within the work area Use recommended protective clothing and equipment to protect yourself from flying particles Stop the hydraulic power source before change the rod Disconnect the hydraulic power source before the ground rod driver is serviced Always use rods with suitable dimensions for the ground rod driver Rods that not fit well in the driver during driving can cause injury Never use rods that are much worn or are damaged Always wear protective goggles protective footwear and ear protectors when using the ground rod driver A
11. ly A WARNING Damaged hoses can cause serious personal injury Inspect hoses regularly If any of the following are found the hose shall be replaced Damaged connections Damaged outer casing Blisters on the outer casing Folds or damage from clamping Exposed inner reinforcement English A WARNING Hot surfaces DO NOT operate the ground rod driver at hydraulic oil temperatures higher than 60 C 140F Higher temperatures will be transmitted to the ground rod driver controls and may burn A WARNING Accumulator The ground rod driver incorporates a pressure accumulator This accumulator is pressurized even when there is no hydraulic pressure to the ground rod driver Attempting to dismantle the accumulator without first releasing the pressure can cause injury or death This procedure must be carried out by a qualified person A CAUTION Repairs and maintenance Do not try to do repairs or any other maintenance work you do not understand A WARNING The hydraulic ground rod driver is not insulated against electric current Should the rod or ground rod driver come in contact with the electrical power sources there is a risk of personal injury N warnine Modifications and welding Non approved modifications can cause injury and damage A CAUTION Only use lubricants and hydraulic fluids recommended by the manufacturer Safety decals Decals on the ground rod driver warn you of particul
12. ng to work with the machine A WARNING Working in some materials can generate dust which can adversely affect the health of the operator When working in dust generating environments an approved dust mask shall be worn Always use approved personal protective equipment The following applies to operators and other personnel in the immediate vicinity of the working zone e Protective helmet Ear protectors e Protective goggles Dust mask in dusty environments e Protective gloves e Protective footwear Vibration from hand held machines is transmitted into the hands via the handles English Working zone A WARNING Do not use the hydraulic ground rod driver in an explosive environment Make sure that no other personnel trespass into the working zone Keep the place of work clean and free of foreign objects Safety check list Maintenance safety A WARNING Hydraulic fluid Fine jets of hydraulic fluid at high pressure can penetrate the skin Do not use your fingers to check for hydraulic fluid leaks Do not put your face close to suspected leaks Hold a piece of cardboard close to suspected leaks and then inspect the cardboard for signs of hydraulic fluid If hydraulic fluid penetrates your skin get medical help immediately A WARNING Hydraulic pressure Hydraulic fluid at system pressure can injure you Before disconnecting or connecting hydraulic hoses isolate the hydraulic supp
13. urce see operating manual of the power source 4 Slide the ground rod into the LGRD as shown 5 Lift the ground rod and driver to a vertical position as shown For long and heavy rods two persons may be required 6 To start the tool move the control spool on the remote control valve to the ON position When the LGRD is within reach grasp the handles 7 When driving make sure you are able to keep safely balanced Keep arms and legs clear of the rod if a rod breaks during operation the ground rod driver with a projecting broken shank will suddenly drop 8 Avoid activating the ground rod driver when it is removed from the rod and ground This will lead to increased hydraulic oil temperatures and seal wear 9 DONOT invert the ground rod driver without first isolating the hydraulic supply 11 Do not continue to work if the hoses vibrate abnormally 12 Investigate the contents of the material in which you are going to work Look out for hidden cables and pipes e g electricity telephone water gas or sewage lines 13 If you suspect that the rod has struck a hidden object stop the machine immediately Make sure there is no danger before continuing with the work 14 Only use the machine for the jobs for which it is intended Be alert Always concentrate on what you are doing Use common sense Never operate the machine when you are tired or under the influence of drugs alcohol or other substances which might
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