1.1 About these Safety and 1 Introduction Operating Instructions Epiroc is a leading productivity partner for the mining, in- frastructure and natural resources industries. With cut- The aim of these Instructions is to familiarise you with ting-edge technology, Epiroc develops and produces in-...
Safety and operating instructions 2.1 Signal words 2 Safety instructions The signal words Danger, Warning, Caution, and Notice This is the safety alert symbol. It is used to alert are used as follows in these Safety and operating in- you to potential personal injury hazards. Obey structions: all safety messages that follow this symbol to avoid possible injury or death.
Safety and operating instructions 2.2 Qualification 2.3 Intended use Transporting the hydraulic attachment is only permitted Only attach the multi grapple to a hydraulic carrier of a if carried out by people who: suitable load−bearing capacity. Read the carrier manu- facturer’s Safety and operating instructions before at- •...
Safety and operating instructions 2.8 Hydraulic installation, 2.9 Media/consumables, precautions precautions WARNING Hydraulic pressure too high WARNING Hot hydraulic oil under high pressure If the hydraulic pressure is too high, the parts of the hy- Hydraulic oil will squirt out under high pressure if there is draulic attachment will be exposed to excessively high a leakage.
Safety and operating instructions 2.10 Explosion and fire, 2.11 Electrical shock, precautions precautions DANGER Electrical shock Any contact of the hydraulic attachment with electric cir- DANGER Explosion and fire cuits or other sources of electricity will lead to an electric Explosions cause serious injury or death.
Silicosis is a chronic disease which may lead cancer and u Only use original parts or accessories approved by death. Epiroc. u Wear a suitable breathing mask. u Modifications that entail new hazards may require a new procedure for assessing conformity.
Safety and operating instructions 3.2 Function 3 Overview The operation of a multi grapple is described in a simpli- fied version below: 3.1 Equipment description Closing the multi grapple The illustration gives an overview of the main parts and The carrier driver operates the multi grapple, via a switch components of the hydraulic attachment.
Safety and operating instructions 3.3.1 Name plate 3.4 Applications Field Type of application General sorting loading work Demolition work masonry timber structures 3.5 Guarantee Construction Tools GmbH The guarantee or product liability will be invalidated by the following: • Use other than intended •...
Check that the delivery is complete. n Check the delivery for visual damage. n If any defects are found, consult the Epiroc Customer Center / dealer in your area. 3.7 Scope of delivery The multi grapple is delivered complete with: •...
Safety and operating instructions 4.1 Transport using a crane 4 Transport You are not allowed to transport the multi grapple with a WARNING Hoist tipping over / hydraulic attach- crane. ment falling WARNING Multi grapple falling The hydraulic attachment is heavy. The hoist/lifting equipment and/or hydraulic attachment tipping over or The multi grapple is not designed for crane transport.
Safety and operating instructions 4.2 Transport using a forklift 4.3 Transport using a truck truck WARNING Hydraulic attachment tipping over / slipping n Move the fork of the forklift truck under the housing The hydraulic attachment slipping or tipping over and so that the hydraulic attachment cannot tip over.
Before working with a hydraulic attachment mounted such fluids are possible. to a long reach boom consult the Epiroc Customer Our hydraulic attachments are basically designed for use Center / Dealer in your area.
The adapter plate must not be stopped by the mechani- cal stops in either position. Consult the Epiroc Customer n Let your assistant instruct you until the bores in the Center / Dealer in your area if the adapter plate is adapter plate (B) and in the stick (A) are properly...
Safety and operating instructions n If the two input lines of the boom have different oper- 5.4.2 Making the hydraulic connections ating pressures,connect the hose with the higher op- NOTICE Faulty hydraulic installation erating pressure to port »B« in a torsion-free manner, The carrier must have a suitable hydraulic installation to connect the hose with the lower operating pressure to operate the hydraulic attachment.
Safety and operating instructions 5.5 Removing the hydraulic WARNING Injury by impacts A sudden movement of the carrier may cause your as- attachment from the carrier sistant to be hit and injured by the boom or the hydraulic n Place the hydraulic attachment on timber support attachment.
Safety and operating instructions 6.1 Preparations before starting 6 Operation WARNING Falling carrier WARNING Hot hydraulic oil squirting out A carrier falling or tipping over due to the surface not be- The hydraulic system is under high pressure. If hydraulic ing level may cause serious injury and material damage.
Observe the hydraulic lines and whether the multi about electric/hydraulic commands, consult the carrier grapple works properly. manufacturer and/or the Epiroc Customer Center / n Switch the multi grapple off immediately if oil leaks Dealer in your area. from the hydraulic lines or other malfunctions occur.
Safety and operating instructions 6.4.3 Continuous water spraying 6.4 Correct operation n Keep the work area moist by continuously spraying water to avoid excessive dust. 6.4.1 Demolishing masonry n Encompass the masonry with the grapple leaves. n Break the masonry structure with the grapple leaves. 6.4.2 Sorting and loading n Use the grapple leaves for sorting and loading.
Safety and operating instructions 6.4.4 High ambient temperature 6.5 Prohibited operation n Only use hydraulic oils of sufficient viscosity. In summer and in tropical climates, the minimum re- 6.5.1 Suspended load quirement is a hydraulic oil of type HLP 68. WARNING Danger of falling parts Falling parts may cause serious injuries.
Safety and operating instructions 6.5.3 Non-load bearing suspended ceilings 6.5.5 Use over the chain WARNING Danger of collapse WARNING Danger of tipping The carrier can collapse and cause injuries and damage. The carrier can topple over and cause injuries and dam- age.
Safety and operating instructions 6.5.8 Turning the hydraulic attachment 6.5.10 Pulling n Never turn the hydraulic attachment while carrying n Never pull at girders, supports or walls with the hy- out the gripping action. draulic attachment. This would seriously damage the hydraulic attach- This would damage the hydraulic attachment and the ment.
Safety and operating instructions 6.5.12 Hammering n Do not use the hydraulic attachment for hammering on the structure to be demolished. This would seriously damage the hydraulic attach- ment. n The boom must be steered securely, slowly and ac- curately. Never make abrupt movements this would damage the hydraulic attachment.
Safety and operating instructions 6.5.15 Cylinder end positions n Reposition the carrier to avoid working with the cylin- ders at their end positions. Avoid operating the hydraulic attachment when the carrier stick and bucket cylinder are in one of their end positions.
Safety and operating instructions 7 Maintenance WARNING Unexpected movement Sudden movements of the carrier may cause serious in- The maintenance activities are carried out by the carrier jury. driver. u Secure the carrier such that it cannot move unex- pectedly. WARNING Hot hydraulic oil squirting out u Observe the carrier manufacturer’s instructions.
Safety and operating instructions 7.1 Maintenance schedule prior to shift Check the multi grapple and adapter plate for cracks. Check hydraulic lines for leaks and damage. Check that the pipe clamps on the carrier are tight. Check wear blades for wear; if necessary turn or replace wear blades. Check the bolted connections at the adapter plate and tighten as required.
Safety and operating instructions 7.2 Depressurising the hydraulic 7.3 Lubrication system Lubrication interval: prior to every shift. n Place the multi grapple on the ground. Even when you have switched off the carrier, a consider- able residual pressure can still be present in the hy- n Secure the carrier so that it cannot move unexpect- draulic system.
Safety and operating instructions 7.3.1 Lubricating the four point bearing 7.4 Checking the hydraulic Lubrication interval: every 14 days attachment and adapter plate for n Place the multi grapple on the ground. cracks n Secure the carrier such that it cannot move unexpect- n Secure the carrier so that it cannot move unexpect- edly.
Safety and operating instructions 7.6 Checking hydraulic lines 7.9 Checking and cleaning the hydraulic oil filter of the carrier n Secure the carrier such that it cannot move unexpect- edly. An oil filter must be integrated in the return circuit of the hydraulic system.
Safety and operating instructions 7.11 Retightening the screws on the rotation mechanism housing and live ring MG 100 to MG 1500: n Retightening the screws on the rotation mechanism housing and live ring every 100 operating hours. Tightening torques (see chapter Bolt connections/ Tightening torques) MG 1800, MG 2300 and MG 2700: n Weekly check for axial or radial clearance in the live...
Safety and operating instructions 7.12 Bolt connections / Tightening torques The bolt connections of the multi grapple are subjected to very high loads. Tighten any loose connections without exceeding the recommended tightening torques. MG 100 MG 200 MG 300 Connection point...
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Safety and operating instructions MG 1800 MG 2300 MG 2700 Connection point Interval Tightening torques Adapter plate* A daily 1500 Nm (1106 ft lbs) 1500 Nm (1106 ft lbs) 1500 Nm (1106 ft lbs) Rotation mechanism B weekly 190 + 20 Nm 300 + 30 Nm 300 + 30 Nm housing (140 + 15 ft lbs) (221 + 22 ft lbs) (221 + 22 ft lbs) Live ring...
Only in case of different pressure settings of the Opening and Closing lines, i.e. existing system is also suitable for multi grapple operation. Operating pressure too low Correct the operating pressure Workshop / Epiroc Customer Center / Dealer in your area 8.3 The multi grapple cannot be rotated Cause...
Safety and operating instructions 8.5 Oil leaks from hydraulic ports Cause Remedy Cap nuts are loose Check and tighten cap nuts (see chapter Bolt connec- Carrier driver tions / Tightening torques) 8.6 Insufficient lubrication Cause Remedy Intervals between lubrication too Check lubrication and lubricate (see chapter Lubrication) Carrier driver long...
Depressurise the hydraulic system before carrying out repairs to the hydraulic attachment or the carrier (see chapter Depressurising the hydraulic sys- tem). n For technical support contact the Epiroc Customer Center / Dealer in your area. 9.1 Sending in the hydraulic attachment for repairs...
Safety and operating instructions 10 Storage 10.1 Multi grapple WARNING Falling multi grapple The multi grapple is heavy. If it topples over where it is stored, it may cause injury. u Store the multi grapple on squared timbers or a pallet on a horizontal base.
Safety and operating instructions 11.2 Hydraulic hoses 11 Disposal n Drain the hydraulic oil from the hydraulic hoses and NOTICE Environmental damage due to consumables collect it. Hydraulic oil and cutter grease are environmentally harmful and must not penetrate the ground or enter the n Dispose of the hydraulic hoses in accordance with water table or water supplies.
13 EC Declaration of Conformity (EC Directive 2006/42/EC) We, Construction Tools GmbH, hereby declare that the machines listed below conform to the provisions of EC Directive 2006/42/EC (Machinery Directive), and the harmonised standards mentioned below. Multi grapple MG 100 MG 200 MG 300 MG 400...
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