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Maeda LC383M-5 Operation Manual Download Page 1

541E-OM1010-00 

OPERATION MANUAL

 

 
 
 
 
 
 
 
 

CRAWLER CRANE 

 

 

Serial No. 11001 and up

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

Unsafe use of this machine may cause serious injury or death. Operators 
must read this manual before operating this machine. This manual should 
be kept near the machine for reference and periodically reviewed by all 
personnel who will come into contact with it. 

 

NOTICE 

MAEDA has Operation Manual written in some other languages. If a foreign 
language manual is necessary, contact your local distributor for availability. 

 

Summary of Contents for LC383M-5

Page 1: ...st read this manual before operating this machine This manual should be kept near the machine for reference and periodically reviewed by all personnel who will come into contact with it NOTICE MAEDA h...

Page 2: ......

Page 3: ...EFORE STARTING OPERATION 1 2 PREPARARATIONS OF SAFETY OPERATION 1 3 PRECAUTIONS FOR FIRE PREVENTION 1 4 PRECAUTIONS WHEN GETTING ON OR OFF 1 5 OTHER PRECAUTIONS 2 DRIVING RELATED PRECAUTIONS 2 1 PRECA...

Page 4: ...3 10 MOMENT LIMITER CAUSES OF ERRORS AND ACTIONS TO BE TAKEN 2 4 OVER HOIST DETECTOR 2 5 CONTROL LEVERS AND PEDALS 2 6 COVERS WITH LOCK 2 7 ENGINE HOOD 2 8 FUSES 2 9 FUSIBLE LINK 2 10 OPERATION MANUAL...

Page 5: ...TS DURING OPERATION 3 19 PICK AND CARRY OPERATION 3 19 1 SAFETY PRECAUTIONS FOR PICK AND CARRY OPERATION 3 19 2 POSTURE FOR PICK AND CARRY OPERATION 3 19 3 OPERATIONS DURING PICK AND CARRY OPERATION...

Page 6: ...4 2 BATTERY REMOVAL AND INSTALLATION 8 4 3 CAUTIONS IN BATTERY CHARGING 8 4 4 STARTING ENGINE WITH BOOSTER CABLE 8 4 5 STARTING ENGINE 8 5 OTHER TROUBLE 8 5 1 ELECTRICAL COMPONENTS 8 5 2 CHASSIS 8 5 3...

Page 7: ...VERY 2000 HOURS SPECIFICATIONS 1 SPECIFICATION LIST 2 SPECIFICATION DIMENSIONAL DRAWING 3 RATED TOTAL LOAD CHART 4 WORKING RADIUS AND LIFTING HEIGHT SEARCHER HOOK 1 SEARCHER HOOK EACH SECTION 2 MOMENT...

Page 8: ...0 6...

Page 9: ...1 1 INTRODUCTION 1 INTRODUCTION 1 2 2 FOR SAFE USE OF MACHINE 1 3 3 MACHINE OVERVIEW 1 4 4 QUALIFICATION FOR OPERATION 1 6 5 TERMINOLOGY 1 7 6 NECESSARY INFORMATION FOR SERVICE 1 12...

Page 10: ...to carry out periodic reference to the manual Only those who have a thorough understanding of the fundamental procedures provided in this manual are allowed to operate this machine Keep this manual ha...

Page 11: ...must be observed for the sake of the machine and what will be of help This denotes that failure to handle the machine properly may damage the machine or shorten its life This denotes helpful informat...

Page 12: ...g within the rated total load for normal crane operation or pick and carry operation 3 2 MACHINE CONFIGURATION 1 Undercarriage 2 Upper structure 3 Safety device In this manual the terms front rear lef...

Page 13: ...ic automatic locking device derricking cylinder hydraulic automatic locking device alarm buzzer machine tip over alarm device level working status lamp crane lock lever and travel lock bar 3 3 MACHINE...

Page 14: ...efined in this manual shall be observed for safety assurance during operation of the machine 4 1 QUALIFICATION FOR CRANE OPERATION Only personnel that have obtained the required license or training st...

Page 15: ...of hoisting accessories hooks and sling etc from the rated total load which is a maximum load for hoisting 3 WORKING RADIUS This is a horizontal distance between the axis of slewing and the hook cente...

Page 16: ...otes a boom angle and point B denotes a lifting height above ground in the figure at right The same working radius is applied to points A and B 2 The diagram of working radius and lifting height shows...

Page 17: ...If the working radius exceeds that stated in the table even if only slightly crane operation should proceed with respect to the rated total load corresponding to the working radius in the following t...

Page 18: ...3m Boom 3 6 87m Boom and 4 8 71m Boom in the preceding boxes in the rated total load chart 1 1 3 18m Boom All the booms are retracted 2 2 5 03m Boom With booms 3 and 4 retracted boom 2 is fully extend...

Page 19: ...1 11 5 4 8 71m Boom All the booms are fully extended Boom 4 is to apply to crane operation with half of the mark on boom 3 passes boom 2...

Page 20: ...ired for us or our sales service agency at the time of requesting repair service or ordering spare parts Machine serial number engraved on plate Located at the lower right part of canopy Engine serial...

Page 21: ...1 13 Information of EPA EPA plate is located on radiator bracket Gauges and meters Located at machine monitor...

Page 22: ...1 14...

Page 23: ...ORT PRECAUTIONS 2 24 4 TOWING PRECAUTIONS 2 25 5 MAINTENANCE PRECAUTIONS 2 26 6 SAFETY LABEL LOCATIONS 2 33 All the safety precautions defined in this manual should always be read and observed Failure...

Page 24: ...quested to receive education and training in the handling methods and other subjects from the applicable office and obtain sufficient driving operation skills before work COMMIT TO SAFE OPERATION Obey...

Page 25: ...hine lower the hoisted load to the ground stop the engine and remove the engine ignition key TEMPORARY STORAGE WHEN ABNORMALITY IS FOUND WITH MACHINE if the Machine is found to have an abnormality and...

Page 26: ...KEEP OPERATOR S COMPARTMENT CLEAN When entering operator s compartment always remove all mud and oil from the soles of your shoes If you operate the pedal with mud or oil on to your shoes your foot m...

Page 27: ...authorized persons to enter When carrying out grinding or welding work on the chassis move any flammable materials to a safe place before starting FIRE CAUSED BY ACCUMULATION OF FLAMMABLE MATERIAL Rem...

Page 28: ...hen getting on or off the machine Never climb on the engine hood or covers where there are no non slip pads Do not get on or off the machine while holding tools in your hand Never jump on or off the m...

Page 29: ...ing us ATTACHMENT INSTALLATION When installing optional parts or attachments there may be problems with safety or legal restrictions Therefore contact our sales service agency for advice Any injuries...

Page 30: ...mbankments or near excavated ditches there is a hazard that weight and vibration of the machine will cause the soil to collapse Before starting operations take steps to ensure that the ground is safe...

Page 31: ...oled shoes and rubber gloves and be careful that the body parts unprotected by rubber or other insulation do not contact the wire rope or the Machine frame Place a guide and let him her watch so that...

Page 32: ...to service Attempting to do so may cause unexpected accidents and enhances failures Ask us or our sales service agency for repair CAUTIONS WHEN WORKING WITH THE CRANE IN A LOCATION WITH HIGH OUTPUT OF...

Page 33: ...clamps See Operation 3 1 2 Checking Before Starting Engine Adjusting Operator s Seat for details Adjust the mirrors so that the rear of the machine and winch drum can be seen clearly from the operator...

Page 34: ...may operate improperly upon its next use and cause unexpected accidents CAUTIONS WHEN STARTING UP USING BOOSTER CABLE The wrong booster cable connection method may result in fire so always observe th...

Page 35: ...6 Machine Travelling Posture for details Do not travel when the hook block is not contained Before travelling set the machine so that sprocket A is behind the operator s seat If sprocket A is in front...

Page 36: ...extremely careful not to let the crane hit anything BE CAREFUL WHEN TRAVELLING OVER SLOPES ALWAYS observe the following to prevent serious injuries and fatal accidents when travelling over a slope for...

Page 37: ...ad is frozen or stuck to the ground or other surfaces is dangerous Do not touch the metal surface with any part of your body such as a finger or hand during cold weather Attempting to contact a metal...

Page 38: ...ENT LIMITER The moment limiter calculates the moments assuming the Machine is level If you work with the crane when the Machine is not level warnings and alarms are not issued even when the rated tota...

Page 39: ...nger The driver is requested to make sure no one is within the working radius of the crane before operating crane CAUTIONS UNDER COLD WEATHER Remove snow from and unfreeze the swing gear boom and winc...

Page 40: ...ear side of the boom may cause the Machine to tip or damage the boom Be very careful when working In a condition where wind blows to the front face of the boom the higher the boom is raised the more y...

Page 41: ...load the loads may move and lose balance and cause tipping or some other cause of a serious accident Do not hoist more than one load even if the total is within the rated total load Hoisting of length...

Page 42: ...cting an obstacle such as a tree or steelwork when hoisting a load If caught by an obstacle do not forcibly wind up the hoisted load but untangle the caught part before winding up Do not pull laterall...

Page 43: ...the hook block and load to fall causing a serious accidents Be very careful to prevent over winding the hook block Be careful to prevent the wire rope and or hoisted load from contacting any obstacle...

Page 44: ...nd stop gently Especially avoid sudden lever operations when the load is hoisted which may cause the load to swing and cause the Machine to lose balance and thus may damage the crane or tip the Machin...

Page 45: ...ns for Pick and Carry Operation Always keep the correct posture as specified in the operation manual Refer to Operation 3 18 2 Posture for Pick and Carry Operation The hoisted load should be within a...

Page 46: ...ine from skidding over the ramps Remove any substances stuck to the ramps such as grease oil or ice and keep clean Be especially careful during rainy days where slips easily occur When loading or unlo...

Page 47: ...wire rope For details of towing see Operation 8 3 How to tow the machine Always wear leather gloves when handling wire rope During the towing operation never stand between the towing objects and the m...

Page 48: ...s or other tools lying around in the work place Wipe up all grease oil or other substances that will cause you to slip Always keep the work place clean and tidy to enable you to carry out operation sa...

Page 49: ...ing carry out the operation with at least two workers and do as follows One worker must always sit in the operator s seat and be ready to stop the engine at any time All workers must maintain contact...

Page 50: ...d using concrete blocks to support the machine Concrete blocks easily crush even under small loads CLEAN BEFORE INSPECTION OR MAINTAIN Before starting an inspection or maintenance clean the Machine an...

Page 51: ...an eye wash immediately with water and see the doctor as soon as possible If you have swallowed the battery fluid by mishap immediately drink huge quantity of water milk raw egg or vegetable oil and s...

Page 52: ...d If the circuit is still under pressure it will lead to serious injury so always do as follows Release the pressure in the hydraulic circuit Do not carry out any inspection or replacement work when t...

Page 53: ...sales service agency NOISE CAUTION When carrying out maintenance of the engine and you are exposed to noise for long periods of time wear ear covers or ear plugs while working If the noise from the ma...

Page 54: ...machine oil fuel solvent filter or battery PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS For using the machine safety for an extended period of time replace safety critical parts like hoses and seat b...

Page 55: ...SAFETY LABEL LOCATIONS Keep these labels clean all the time If lost apply again or replace with new one Labels other than the following safety labels exist treat them the same SAFETY LABEL LOCATIONS...

Page 56: ...2 34 SAFETY LABEL LOCATIONS ON CHASSIS...

Page 57: ...2 35 1 Working range and rated total load chart 541 3470600 2 For your safe operation 556 3367900 2...

Page 58: ...2 36 3 Moment limiter operation 541 2214000 4 Warning for operation inspection and maintenance 584 3469700...

Page 59: ...2 37 5 Warning for blade operation 556 4575300 6 Caution for emergency switch 553 4266400 7 Control pattern 556 3368100 8 Caution for number of parts reeving selector switch 553 3181800...

Page 60: ...Keep off swing area 09133 23000 10 Caution for rotating portion 09667 03001 11 Caution for engine hood 09805 13000 12 Warning for winch 553 4267500 13 Warning for track tension adjusting 584 4588200 2...

Page 61: ...2 39 14 Warning for lifting position 584 3437800 15 Caution for lifting machine 541 3472400...

Page 62: ...2 40 16 Warning tag 09963 03001 17 Warning 541 4614900 18 Caution for wash 300 4213900 3 places 19 Warning for hook block 553 4267400 2 places...

Page 63: ...2 41 20 Machine weight 541 4614800 21 Warning for radiator cap 09653 A0361 22 Warning for hydraulic oil 09653 03001...

Page 64: ...2 42 23 Working range and rated total load chart for searcher hook 541 3470700 Optional 24 Do not stand on here 584 4581700...

Page 65: ...EACH SECTION 3 2 2 EXPLANATION OF DEVICES 3 5 3 MACHINE OPERATIONS AND CONTROLS 3 46 4 HANDLING WIRE CABLES 3 104 5 TRANSPORTATION 3 110 6 HANDLING IN COLD WEATHER 3 120 7 LONG TERM STORAGE 3 123 8 TR...

Page 66: ...MACHINE EACH SECTION 1 1 MACHINE EACH UNIT 1 Hook 2 Hook block 3 Wire cable 4 Boom 5 Derricking cylinder 6 Winch 7 Track 8 Sprocket 9 Track frame 10 Idler 11 Blade cylinder 12 Blade 13 Working status...

Page 67: ...11 Blade lever 12 Monitor panel 13 Starter switch 14 Speed up pedal 15 Travel lock lever 16 Service meter 17 Engine coolant temperature gauge 18 Fuel gauge 19 Engine pre heating monitor 20 Engine oil...

Page 68: ...3 4 1 3 MOMENT LIMITER RELATED SWITCH BOX 1 Moment limiter emergency stop cancel switch 2 Hook stowage switch...

Page 69: ...ate the machine To perform suitable operations correctly and safety it is important to have a complete understanding of equipment operating methods and the displays 2 1 MACHINE MONITOR A Emergency sto...

Page 70: ...unds In this case take the necessary actions immediately 1 Engine oil pressure monitor 2 Charge level monitor ENGINE OIL PRESSURE MONITOR If the engine lubricating oil pressure falls below the normal...

Page 71: ...flashes and the buzzer sounds If this monitor flashes stop the engine and check the V belt tension If the V belt is abnormal see Operation 8 5 Other Trouble NOTES This monitor lights up while the star...

Page 72: ...shows the engine coolant temperature If the pointer is in range A while the machine is operating the coolant temperature is normal If the pointer enters red range B while the machine is operating pilo...

Page 73: ...y not indicate the fuel level correctly for a while after the starter switch is turned to the ON position but this is not an abnormality NOTES After the starter switch is turned to the ON position the...

Page 74: ...onitor 2 Travel speed up monitor Does not function for this machine ENGINE PRE HEATING MONITOR This monitor 1 flashes when the starter switch is turned to the HEAT position After approximately 18 seco...

Page 75: ...n while the engine is running C START position This is the engine start position Keep the starter key in this position while cranking the engine running the starter and release it immediately after th...

Page 76: ...th the boom Use the hook stowage switch only when stowing the hook block The purpose of the switch 4 is to stow the hook block into its stowage position at the boom tip The pilot lamp inside the switc...

Page 77: ...it winding up boom lowering and or boom extension operation that are usually carried out by turning this switch to the ON released position must be strictly avoided Otherwise the boom may be damaged...

Page 78: ...left side 3 Pressure sensor Derrick cylinder 2 places 4 Over hoist detector Boon tip side 5 Working status lamp A Red lamp Warning lamp for load factor of 100 or more B Yellow ON with load factor of 9...

Page 79: ...pecific inspection and maintenance purposes where each sensor that detects the crane s condition is checked Otherwise keep the key of the switch extracted during ordinary operations The moment limiter...

Page 80: ...to be Taken LIMITATION OF OPERATION DUE TO THE BLADE POSITION Indications and warning are issued against a load hoisting operation in a condition where the Blade is lowered and a load is imposed At t...

Page 81: ...will cause the hoisted load to swing and may result in overloading or the boom to break With load factor of less than 90 When the hoisting load is less than 90 of the rated total load the working sta...

Page 82: ...used the auto stop Perform one of the following 1 Lower the hook and put down the hoisted load on the ground 2 Raise the boom Lower the hook so that the hoisted load will be as low as possible 3 Retra...

Page 83: ...limit switch SETUP CANCEL 14 Lifting height upper limit switch SETUP CANCEL 15 Check switch 16 Cancel switch 17 Searcher hook mode selector switch 18 Over winding detection LED Red 19 1 fall LED Gree...

Page 84: ...m to the angle you would like and press the switch for three or more seconds The boom angle at this point is set as the upper limit At the same time the LED flashes indicating that the upper limit val...

Page 85: ...in the pre warning zone or at the lower limit the warning buzzer sounds intermittently only when the boom lowering operation is attempted The limit value being set is retained in the memory even when...

Page 86: ...oom is within the pre warning zone or at the lower limit the warning buzzer sounds intermittently only when the boom lowering operation is attempted The limit value being set is retained in the memory...

Page 87: ...ure above While the boom is within the pre warning zone or at the lower limit the warning buzzer sounds intermittently only when the boom lowering operation is attempted The limit value being set is r...

Page 88: ...specific value is not given Displays other than those being set will not change PICK CARRY STATIONARY MODE SELECT SWITCH AND PICK CARRY LED RED STATIONARY LED ORANGE Pick and carry operations can be...

Page 89: ...ases however this does not indicate a device failure Even when the hoisting operation is paused a swinging load will make changes in the actual load value display RATED TOTAL LOAD RTL DISPLAY SECTION...

Page 90: ...tance from the ground to the bottom of the hook with the hook raised to the upper limit BOOM ANGLE DISPLAY SECTION This section constantly displays the current boom angle while the crane is operating...

Page 91: ...tes the status of the moment limiter load factor by its illumination The load factor is the ratio between the actual load and the rated total load According to the change in the load capacity particul...

Page 92: ...Moment Limiter Operations Recovery Operation from Auto Stop for recovery operations WORKING ENVELOPE RESTRICTION WARNING When the working envelope gets close to the set restriction value a warning is...

Page 93: ...ly perform the recovery operation Perform hook raising motion as the recovery operation NUMBER OF WIRES ROPE FALL S SELECTOR SWITCH Stop operating the crane when changing the number of wires by using...

Page 94: ...iter Be sure to set the working envelope with a safe distance from obstacles Operate the crane at low speed Be sure to verify that the boom stops at the set position after setting the boom working env...

Page 95: ...Pick Carry Stationary mode select switch for the condition of operations 1 When a pick and carry operation is not required press this mode switch 1 and keep pressing for three or more seconds The oper...

Page 96: ...oad to drop damage to the boom or the machine to roll over After the moment limiter detects a condition in which the actual load exceeds the rated load while the crane is operating and interrupts it w...

Page 97: ...n the specified value Check the installation of the pressure sensor 2 E3L The input to the boom angle gauge is lower than the specified value E3H The input to the boom angle gauge is higher than the s...

Page 98: ...4 extending and disables further operations in a condition where the hook block 1 is raised up or the boom 4 is extended until the hook block 1 comes close to the boom 4 tip and lifts the weight 3 up...

Page 99: ...securely in the LOCK position Even if the lock lever is set to the LOCK position the travel and blade operations are not locked When pulling the lock lever up or down be careful not to touch the work...

Page 100: ...ft Push the lever to the left Boom telescoping operation c Boom retracting Pull the lever toward you d Boom extending Push the lever forward N Neutral Release the lever The upper structure and boom ar...

Page 101: ...ll speed BLADE CONTROL LEVER CAUTION This operation lever is not locked even if the lock lever is set to the LOCK position Accordingly do not touch this lever while you are not operating the blade Whe...

Page 102: ...travel lever check if the track frame is facing the front or the rear When the sprocket a is at the rear the track frame is facing the front Use these levers 6 to travel the machine a FORWARD The lev...

Page 103: ...starting operations check the gradient of the ground and try to find a level location When it is not possible to avoid operating on a slope use supporting timber or build up the ground with soil so t...

Page 104: ...the starter key OPENING AND CLOSING COVERS WITH LOCK Insert the key as far as it will go to the shoulder A If the key is turned before it is inserted all the way it may break Opening 1 Insert the sta...

Page 105: ...he engine hood and be sure to keep it open using the stopper CAUTION Always keep the engine hood locked except when opening it You can check whether the engine hood is locked by checking the direction...

Page 106: ...3 42 2 Push up hood 2 fully Stopper 3 operates to fix hood 2 3 When closing engine hood 2 pull stopper 3 to the free position F and lower the hood slowly and then press it to the lock position L...

Page 107: ...white powder or there is play between it and its holder be sure to change the fuse When replacing a fuse always use one of the same capacity FUSE CAPACITY AND CIRCUIT NAMES No Capacity Circuit name 1...

Page 108: ...uit to protect electrical components and wiring from burning out in the same way as an ordinary fuse does 2 10 OPERATION MANUAL STORAGE A magazine box is provided on the reverse side of the operator s...

Page 109: ...cal component contact us or our sales service agency There is power supply connector 1 Connector No M20A for optional components at the bottom of the box for the right hand work equipment control leve...

Page 110: ...spection and maintenance in the engine compartment fully open the engine hood and be sure to secure it using the stopper Remove any accumulated flammable materials immediately from around the battery...

Page 111: ...working lamp for cracks excessive deformation and contamination etc If you find any abnormalities repair them If dirty clean it Check for sagging electrical wiring loose connections and burn traces I...

Page 112: ...for dislocation or damage and cracks or impairments in window panes If you find any abnormalities repair them If the windshields are broken stop your work and repair them immediately Check the seat b...

Page 113: ...t and the radiator will be under high internal pressure If the cap is removed under these conditions there is a risk you may be burnt Wait for the temperature to drop then turn the cap slowly and care...

Page 114: ...e amount of oil will result in excessive oil consumption and this tends to increase the oil temperature making the oil deteriorate faster A very low level of oil may cause the engine to burn out Be ca...

Page 115: ...fuel If any fuel spills onto sand remove the sand too Fuel is highly flammable and dangerous Do not bring any flame near to fuel 1 Insert the key in starter switch 1 and rotate it to the ON position T...

Page 116: ...ntainer with a capacity of one liter or more to catch drain oil A hexagon wrench for removing plug 8 mm Refilled oil capacity in swing reduction gear case 0 75 liters 1 Stop the machine on a level sur...

Page 117: ...so that drain plug P under the hydraulic tank will be between the left and right tracks Stop the engine wait until the oil cools down and remove the excess oil from drain plug P 3 If the oil is below...

Page 118: ...dust indicator 1 to return the red piston to its original position CHECKING WATER SEPARATOR If red ring 1 of the water separator is located at the bottom of case 2 no water has entered If red ring 1...

Page 119: ...at there is no disconnection or trace of short circuiting in the electrical wiring Check also that there are no loosened terminals If any are discovered tighten them In particular pay attention and ch...

Page 120: ...tion error if the control lever is touched accidentally ADJUSTING OPERATOR S SEAT The seat can slide in the forward or backward direction Pull up lever 1 to set the seat to the desired position then r...

Page 121: ...s are not coming out of the fixing points If loose tighten them Tightening torque 24 5 4 9 Nm 2 5 0 5 Kgm If the belt surface is scratched or ragged or if the metal of the seat belt is deformed or dam...

Page 122: ...DJUSTING MIRRORS Always adjust the mirrors before starting operations If mirrors are not adjusted correctly you will not be able to obtain a sufficient view of your surroundings which may result in da...

Page 123: ...and check the following points 1 The buzzer sounds for approximately one second and then the gauge lights light up for approximately three seconds Engine pre heating monitor 3 Charging level monitor 4...

Page 124: ...hat working lamps light up If any lamp does not light up the bulb has likely blown or there may be a disconnection In such a case ask us or our sales service agency for repair services 3 Press horn sw...

Page 125: ...NGINE ACCELERATION AND DECELERATION When stopping the machine while it is operating check that there are no engine speed irregularities and that the engine does not stop suddenly After carrying out wa...

Page 126: ...rk equipment control lever is moved to the RETRACT position pull backward When doing the above check for any abnormal sound emitted by part of the boom or from the boom telescoping cylinder If you fin...

Page 127: ...at the RATED TOTAL LOAD display on the display panel 4 Start the engine and operate the crane as follows to verify whether the moment limiter correctly displays the value Crane Operation and Displayed...

Page 128: ...toxic When starting the engine in confined spaces be particularly careful to ensure there is sufficient ventilation CAUTION Do not keep the starter motor rotating continuously for more than 20 second...

Page 129: ...for more than 20 seconds If the engine will not start wait for least two minutes before trying to start the engine again from Step 2 When starting engine in low temperatures do the following 1 Press...

Page 130: ...ey of starter switch 2 when engine has started The key returns to ON position B automatically NOTES If the ambient temperature is below 0 C press the accelerator pedal for one fourth of its stroke and...

Page 131: ...arm up the engine This can increase the machine service life Do not accelerate the engine suddenly until the warm up operation has finished Do not run the engine at low idling or high idling without a...

Page 132: ...that all the gauges and monitors have the following status If there are any abnormalities service or repair them Engine coolant temperature gauge 4 The pointer indicates the normal range Fuel gauge 5...

Page 133: ...parts If the engine has overheated do not stop it quickly but cool down the engine by rotating it at an intermediate speed Then stop the engine 1 Run the engine at a low idle for about five minutes to...

Page 134: ...y degrade the functions of the engine and crane shortening their life Perform the breaking in for the first 100 hours time displayed on the service meter Pay attention particularly to the following du...

Page 135: ...TRANSPORTATION Keep the machine in the travelling posture as shown in the figure on the right when travelling to and from an operation site or a transportation depot Retract the boom fully Lower the...

Page 136: ...the horn Do not allow anyone to enter the area around the machine Remove any obstacles from the travel path When travelling check that the travel alarm sounds correctly While travelling it is possible...

Page 137: ...lade 3 Push travel lock lever 5 to travel position F 4 Operate left and right travel levers 3 as follows When the sprocket is at the rear of the machine Start the machine by pushing left and right tra...

Page 138: ...blade 3 Push travel lock bar 5 to travel position F 4 Operate left and right travel levers 3 as follows When the sprocket is at the rear of the machine Start the machine by pulling left and right trav...

Page 139: ...topping suddenly Give yourself ample room when stopping 1 Set left and right travel levers 1 to the Neutral position N The machine is braked and stopped 2 Push travel lock bar 2 to the LOCK position L...

Page 140: ...as much as possible Especially when performing counter rotation spin turn stop the machine before turning Operate two travel levers 1 as follows STEERING THE MACHINE WHEN STOPPING When turning to the...

Page 141: ...t A Forward left turn B Reverse left turn NOTES When turning to the right move the right travel lever in the same way WHEN PERFORMING COUNTER ROTATION TURN SPIN TURN When using counter rotation spin t...

Page 142: ...surrounding area is safe Before swinging the machine check that the area around the machine is safe and sound the horn 1 Operate left work equipment control lever 1 to swing the upper structure A Left...

Page 143: ...ls thus even though the actual load reaches pre warning zone no pre warning or warning is provided Consequently when the rated total load exceeds the allowance of the 2 falls the wire cable may break...

Page 144: ...rom the regular stowage position the hook block may swing wildly and damage other components around it Pay sufficient attention to maintaining safe conditions around the hook block Perform the followi...

Page 145: ...nd 5 above alternately so that the boom is slowly raised to the position where hook block 4 moves perpendicular to the stowage position in the front of the upper structure of the crane When hook block...

Page 146: ...t the hook block is hoisted Here exercise care not to over hoist the hook block Over hoisting will create an over hoisting warning situation 2 Move right hand work equipment control lever 1 to the LOW...

Page 147: ...not to over lower the hook block an action that will result in it laying on the ground That may result in irregular winding of the wire cable to the drum During the winch operation always avoid return...

Page 148: ...llows ON Keep the button pushed and move the right hand work equipment control lever to the HOOK RAISING pull backward position The hook block will be winched for stowage to the boom tip The pilot lam...

Page 149: ...an be hoisted decreases Be extremely careful so that the load weight will not be exceeded with the boom in the lowest position when working by derricking the boom Move right hand work equipment contro...

Page 150: ...boom extension operations CAUTION The hook block is raised or lowered while telescoping the boom Perform the winch operation at the same time to adjust the hook block height When the boom is maintaine...

Page 151: ...ver Such practices must be carried out with hook raising operations Operate left hand work equipment control lever 1 as follows Left Push the lever toward outside left Neutral Release the lever The le...

Page 152: ...t limiter emergency stop cancel switch is in the ON position In that condition it does not enter the hook block stowage mode and may result in damage being caused to the top of the hook block the boom...

Page 153: ...4 Operate left hand work equipment control lever 2 to the LEFT push outside position or the RIGHT pull toward you position so that the boom comes to the center of the machine NOTES By carrying out Ste...

Page 154: ...tip NOTES When turning this switch to the ON position the red lamp of the working status lamp will light up NOTES The figure at right shows the correct condition where hook block 4 is properly stowed...

Page 155: ...ION Prior to stowing the hook block stop the hook block swinging Be careful not to over lower the hook block an action that will result in it laying on the ground That may result in irregular winding...

Page 156: ...to the LOWER push outside position and lower the boom until it stops NOTES During this operation raise up hook block 4 occasionally to take up the wire cable slack Be careful so that hook block 4 wil...

Page 157: ...t draw in or lift the load with a swing operation DON T OPERATIONS WITH DERRICKING FORCE Do not draw in or lift the load with a boom derricking operation DON T PULL SIDEWAYS DRAW IN OR HOIST DIAGONALL...

Page 158: ...ding the wire Untangle and then wind the wire PICK AND CARRY OPERATION Pick and carry operations are very dangerous and may cause shaking of the hoisted load or the machine to roll over Extreme care m...

Page 159: ...ength 5 0 meters second section or less Rated total load See the Rated Total Load Table for Pick and Carry Operation NOTICE FOR THE OPERATING LOCATION In ground conditions or locations such as those s...

Page 160: ...Mode and PICK CARRY LED 2 lights up 2 See Operation 3 15 Boom Telescoping Operation and retract the boom to 5 0 meters second section or less accordingly 3 See Operation 3 13 Hook Raising Lowering Op...

Page 161: ...tance away from other machines or structures to avoid collisions 1 See Operation 3 7 Starting Moving Stopping Machine and Operation 3 8 Steering Machine for travelling the machine 2 See Operation 3 13...

Page 162: ...ver and result a serious hazard Any leveling operations other than in the basic posture may cause the machine to tip over or damage to the wire rope which triggers a serious accident SAFETY PRECAUTION...

Page 163: ...in the Moment limiter will blink and indicate bld Buzzer sounds intermittently The red lamp of the rotary lamp lights Functions to be interrupted Winch hoisting Boom derricking Boom extending When a...

Page 164: ...he machine may suddenly move which may cause a serious accident Before standing up from the operator s seat always set the lock lever securely to the LOCK position 1 Set left and right travel levers 1...

Page 165: ...e also check for any leakage of oil or coolant If a leakage or an abnormality is found repair it 2 Refill the fuel tank 3 Check around the engine compartment and battery for paper and debris Clean out...

Page 166: ...machine will go over the obstacles at the center of the crawlers NOTES See Operation 3 6 Machine Travelling Posture for the machine travelling posture CAUTIONS IN HIGH SPEED TRAVELLING On uneven road...

Page 167: ...ever attempt to turn around it or traverse it When possible use a level route and make a detour to avoid the slope to increase safety Keep travelling in a manner so that the machine can be stopped whe...

Page 168: ...a 9 No 4 boom retracting wire cable IWRC 6 Fi 29 0 0 dia 6 BENCHMARK FOR REPLACING WIRE CABLES A wire cable undergoes wear and tear over time Prompt replacement is required if any of the following hav...

Page 169: ...inal diameter d 3 The minimum diameter is 2 3 or less of the maximum diameter due to local pressure and being flattened 4 Core wire or wire core projects 5 Excessively curved 6 Basket like deformation...

Page 170: ...The load to one wire cable fall must be within 750 kg The table below shows the hook block types wire cable falls and the rated total load in each condition Type of Hook Blocks For 2 or 4 falls Common...

Page 171: ...t and how many times the cable is twisted 2 Operate the left hand work equipment control lever to the RETRACT position pull backward to retract the boom to lower the boom fully 3 Move the right hand w...

Page 172: ...tion from the direction the hook block is twisted to and which you checked in the step 1 opposite direction from the one the wire cable tries to go back to naturally when you release your hand from th...

Page 173: ...ward the hook block for several times 11 Tidily spool up the wire cable into the winch drum with some tension applied to the cable 12 Repeat the above procedure until the hook is no longer twisted If...

Page 174: ...pplicable local laws and regulations observe these laws and regulations for safe transportation If not contact us or our sales service agency TRANSPORTATION MEASURE Take road width height and weight i...

Page 175: ...ading and unloading Always load the machine by moving backward Moving forward involves overturning hazard The operator must be on the back side of the truck Always unload the machine by moving forward...

Page 176: ...ang the hook of the ramp securely to hook the holder of the trailer If the ramps bend by a large extent due to the weight of the machine put blocks under the ramps to prevent them from bending 4 Start...

Page 177: ...chine travels over the rear wheels of the trailer it becomes unstable so drive slowly and carefully Never operate the steering 11 At the moment the machine passes the rear wheels it tilts backward so...

Page 178: ...fting the machine 4 Place blocks under both ends of the tracks to prevent the machine from moving during transportation and secure the machine with chains or wire cables of suitable strength Be partic...

Page 179: ...securely to the hook holder of the trailer If the ramps bend a large amount under the weight of the machine put blocks under the ramps to prevent them from bending 4 Remove the chains and wire cables...

Page 180: ...four wire cables and four shackles of the same specifications when lifting up the machine Also avoid the slinging wire cables touching the machine body during the lift Wire cable Breaking load 96 7 K...

Page 181: ...the locations in which the slinging wire cable may touch the machine prior to lifting up 7 Keep the angle of sling wire cables within a range of 30 to 40 degrees and lift up slowly NOTES After liftin...

Page 182: ...i e attaching shackles into the two brackets on both the left and right sides of the boom other than as specified below must never be attempted for lifting the machine If such a practice is unavoidab...

Page 183: ...nging wire cable may touch the machine prior to lifting up 7 Lift the machine slowly NOTES After lifting the machine just clear of the ground check the condition of the hook and the lifting posture Ve...

Page 184: ...your skin wash it off with large amounts of fresh water and see a doctor at once When changing the coolant or when handling coolant containing antifreeze that has been drained when replacing the coola...

Page 185: ...on the ground surface Battery electrolyte dissolves paint If it sticks to the machine wash it away with water immediately When the ambient temperature drops the capacity of the battery will also drop...

Page 186: ...r collected in the fuel system to prevent it from freezing Completely fill the fuel tank This minimizes moisture condensation in the tank when the temperature drops The battery capacity drastically dr...

Page 187: ...necessary to perform rust prevention operation whilst the machine is indoors open the doors and windows to improve ventilation and prevent gas poisoning During storage operate and move the machine for...

Page 188: ...sition A after 10 to 15 seconds The automatic air bleeding device allows bleeding air automatically 8 2 PHENOMENA THAT ARE NOT FAILURES Note that the following phenomena are not failures When starting...

Page 189: ...o there is a hazard of explosion Do not bring lit cigarettes near the battery or do anything that will cause sparks Battery electrolyte is diluted sulfuric acid and it will eat away at your clothes an...

Page 190: ...ry connect the cable on the ground last Securely fix the battery in the specified position At this time take care that the mounting holders will not touch the terminals When replacing the battery secu...

Page 191: ...an explosion Connect the positive charger clip of the charger to the positive terminal of the battery then connect the negative charger clip of the charger to the negative terminal of the battery Be s...

Page 192: ...at the booster cable clips do not contact each other or contact the chassis CAUTION The size of the booster cable and clip should be suitable for the battery size The battery of the normal machine mus...

Page 193: ...engine If the engine does not start at first try again after two minutes or so BOOSTER CABLE DISCONNECTION After the engine has started disconnect the booster cables in the reverse of the order in whi...

Page 194: ...ishly Insufficient battery charge Defective starter motor Charge Replace Starter motor disengages before engine starts Defective wiring Insufficient battery charge Check repair Charge Engine pre heati...

Page 195: ...or replace packing Replace sensor White range of engine water temperature gauge indicator lights up after long operation Defective thermostat Replace thermostat Engine does not start when starter mot...

Page 196: ...id valve Check repair or replace wiring between moment limiter transducer and solenoid valve Boom extending boom lowering and hook hoisting operations not activated even when not overloaded Defective...

Page 197: ...ng or hook hoisting operation not activated even when not over hoisted but buzzer sounding Defective wiring between the moment limiter transducer and over hoist detector Check repair or replace wiring...

Page 198: ...3 134...

Page 199: ...INTENANCE 4 4 3 LEGAL INSPECTION 4 7 4 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS 4 8 5 CONSUMABLES 4 9 6 OTHER COMPONENTS 4 10 7 USE OF FUEL COOLANT AND LUBRICANT 4 11 8 TIGHTENING TORQUE SPECIFIC...

Page 200: ...mbient temperature USE CLEAN OIL AND GREASE Always use clean oil grease and containers to keep out impurities USE CLEAN WINDOW WASHER FLUID Always use automobile window washer fluid and be careful not...

Page 201: ...e not loose cracked or suffering from abrasion Loosen the tension of the crawler tread to a greater degree than usual CAUTIONS REGARDING MACHINE WASHING Do not direct a jet of steam at electrical part...

Page 202: ...and exhaust gas characteristics the engine mounted on this machine uses a high pressure fuel injection device This device requires high precision parts and high level lubricating properties If theref...

Page 203: ...Always use genuine Maeda filters HANDLING COOLANT River water contains a large amount of calcium and impurities Use of river water will result in water sludge accumulating in the engine and radiator...

Page 204: ...level Internal pressure may still be exerted despite the temperature drop When removing the plugs screws and hose joints stand aside and loosen them gradually while releasing internal pressure Be sur...

Page 205: ...winch wire rope end and wire clip for damage 4 Replace the wire rope promptly if it is damaged 5 Check the hydraulic oil hose for oil leaks and friction flaws on the surface Replace the hose if any su...

Page 206: ...ulic oil hoses that are not due for periodic replacement If any abnormalities are discovered tighten loose clamps and replace defective hoses as required When replacing hoses always replace O rings an...

Page 207: ...500 hours Water separator As required Hydraulic oil filter Every 250 hours Main fuel filter Every 500 hours Air cleaner element As required Cylinder gasket Every 3 years Boom slide plate Every 3 years...

Page 208: ...When ordering parts please inform us or our service agency of your machine number to confirm the correct part numbers LIST OF OTHER PARTS 1 Clear plate 4 Fuse 2 Working lamp assembly 5 Fusible link 4...

Page 209: ...recommended multi grade oil even if the ambient temperature may rise during the course of the day 7 1 USE OF FUEL COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURES Use the oil selectively acco...

Page 210: ...Be sure to use the recommended oils Note 2 Supercoolant AF NAC 1 Supercoolant has the important function of acting as an anticorrosion liquid as well as antifreeze Even in the areas where freezing is...

Page 211: ...0 34 0 2 8 3 5 10 17 66 0 6 70 59 0 74 0 6 0 7 5 12 19 113 11 5 98 0 123 10 0 12 5 14 22 172 17 5 153 190 15 5 19 5 16 24 260 26 5 235 285 23 5 29 5 18 27 360 37 0 320 400 33 0 41 0 20 30 510 52 3 45...

Page 212: ...HYDRAULIC TANK 3 53 CHECKING DUST INDICATOR 3 54 CHECKING WATER SEPARATOR 3 54 CHECKING ELECTRICAL WIRING 3 55 CHECKING FUNCTION OF HORN 3 55 ADJUSTING OPERATOR S SEAT 3 56 ADJUSTING MIRRORS 3 58 OPER...

Page 213: ...4 42 CHECKING REFILLING OIL LEVEL IN FINAL DRIVE 4 43 GREASING BLADE 4 43 CLEANING CHECKING RADIATOR FINS OIL COOLER FINS AND FUEL COOLER FINS 4 44 CHECKING ADJUSTING FAN BELT TENSION 4 45 MAINTENANCE...

Page 214: ...R CASE For the maintenance procedure see maintenance every 1000 hours 10 2 CHECKING BEFORE OPERATION Inspections specified in this section are required to be completed prior to starting an engine at t...

Page 215: ...ION Do not clean the air cleaner element before the red piston appears in the transparent portion of the dust indicator 1 If the air cleaner element is cleaned frequently before the red piston appears...

Page 216: ...ning a light through it replace the element CAUTION When cleaning the element do not hit it or bump it against nearby objects Do not use an element whose folds gasket or seal are damaged Wrap unused e...

Page 217: ...ifreeze All season type Every year in autumn or every 2000 hours whichever comes first Permanent type antifreeze shall meet the requirements of ASTM D3306 03 The coolant has the important function of...

Page 218: ...system It is recommended that the mixing ratio using Supercoolant concentration meter is controlled Prepare a container with a capacity of at least 5 5 liters to receive the coolant 1 Open the dust c...

Page 219: ...ening through the water filler port For the mix ratio for Supercoolant and water see Mixing Ratio of Water and Supercoolant 12 To bleed the air from the coolant run the engine at a low idle for five m...

Page 220: ...work Inspect the battery electrolyte level at least once a month following the standard given below WHEN CHECKING ELECTROLYTE LEVEL FROM SIDE OF BATTERY If it is possible to check the electrolyte leve...

Page 221: ...he bottom of the sleeve Maximum electrolyte level UPPER LEVEL A Suitable level Electrolyte level is up to bottom of sleeve so surface tension causes electrolyte surface to bulge and poles appear bent...

Page 222: ...en remove element 6 Exercise care not lose red ring 3 in the cup 5 Clean the inside of cup 5 and element 6 using diesel oil or flushing oil 6 After cleaning install element 6 7 Place red ring 3 in ele...

Page 223: ...machine 2 Prepare a container to receive drained fuel 3 Open cover 1 on the right side of the machine body 4 Open drain valve 2 at the bottom of the tank then drain the piled up sediments and accumula...

Page 224: ...er roller 2 and then place it on the track 3 Measure the maximum deflection between the top surface of the track and the bottom surface of the wooden block Standard deflection If deflection a is 5 to...

Page 225: ...em Contact us or our sales service agency for repair services LOOSENING TRACK TENSION It is extremely dangerous to discharge the grease using any method except the procedure given below If track tensi...

Page 226: ...ing Checking Refilling Oil Level in Hydraulic Tank CAUTION If the engine is run at high speed immediately after startup or a cylinder is pushed up to its stroke end the air taken inside the cylinder m...

Page 227: ...ingle strand 2 20 or more of the wires in five twists of the wire cable 2 The diameter of the wire cable is worn for 7 or more of the nominal diameter NOTES A wire cable with a diameter of 9 mm must b...

Page 228: ...ge socket 3 6 Remove wire clip 4 7 Remove wire rope 5 from wedge socket 3 following the procedure provided below 1 Apply 4 to 6 mm long round bar 6 to rope wedge 7 2 Move round bar 6 toward arrow dire...

Page 229: ...e rope 5 reeve it through the load sheave 10 at the boom end wire guide 11 of No 2 and 3 booms and snap sheave 12 2 Reeve wire rope 5 through the mounting hole on winch drum 8 and then secure wire rop...

Page 230: ...ing wedge socket pin 1 and tighten wedge socket mounting bolt 2 8 Set the right work equipment control lever to the RAISE position pull it toward the left or the left work equipment control lever to t...

Page 231: ...kwise If No 4 boom extends when adjustment bolt 9 is turned tension of the boom extending wire 8 is normal If No 4 boom does not extend adjust the boom extending wire For details see Maintenance 10 3...

Page 232: ...tract the boom fully and set it horizontally Then extend the booms so that it is telescoped simultaneously about 2 m 2 Retract the boom gradually to the stowing state From this state measure the dimen...

Page 233: ...e adjustment again 5 Adjusting No 4 boom extending wire rope 8 1 Remove lock bolt 6 and then tighten adjustment bolt 9 in the direction that tensions No 4 boom extending wire rope 8 clockwise directio...

Page 234: ...1 place 5 Greasing of wire support roller pin 1 place 6 Greasing of the hook block 1 place Lithium grease 7 Greasing of the boom slide plate 6 places 8 Greasing of both sides and bottom of a boom Each...

Page 235: ...4 37...

Page 236: ...ng them CAUTION For the new machine that requires an initial running in grease it once every 10 hours until it is has been operated for up to 100 hours If any abnormal noise is heard from a specified...

Page 237: ...e 3 Loosen three bolts and remove cover 2 When doing this the cover may fly off due to the force of spring 3 So hold the cover down when removing the bolts 4 After removing spring 3 and valve 4 take o...

Page 238: ...Prepare a 1 liter or larger pan Hex bar wrench for removing plug 8 mm Refilled oil capacity in swing reduction gear case 0 75 liters 1 Stop the machine on a level ground 2 As shown in the figure to t...

Page 239: ...ot to get any oil on yourself 3 Check drained oil and if a large amount of metal powders or foreign substance is found contact us or our service agency 4 Install drain plug P 5 Using a filter wrench t...

Page 240: ...stalling turn the packing surface clockwise to contact it against the filter holder and tighten it by approximately one turn using the filter wrench Tightening torque 19 6 23 5 Nm 2 0 2 4 Kgm 7 Set ha...

Page 241: ...ole of plug G the level is appropriate 4 When the oil is insufficient remove plug F using the hexagon wrench and fill oil through the hole of plug F Fill power train oil until it flows out of the hole...

Page 242: ...o prevent damage to the fins Particularly when blowing compressed air to the after cooler from above at a 45 degree position the nozzle must be kept a minimum of 300 mm away from the after cooler Appl...

Page 243: ...n bar push alternator 1 from the back side of the machine body to the front side and then move alternator 1 so that the belt tension deflects approximately 10 to 15 mm approximately 58 5 N 6 Kgf At th...

Page 244: ...lug may spring out Loosen the plug slowly to release the internal pressure Refilling capacity 0 6 liters for each left and right sides Prepare a hexagon wrench 1 Set plug F and plug P vertical to the...

Page 245: ...to the minimum length lower it fully and set it horizontally 3 Turn the winch slowly until plug P comes to a point just beneath the ground 4 Place a container for receiving oil under plug P 5 Using a...

Page 246: ...Check and clean the fuel injection valve Special tools are required for the inspection and maintenance task Contact us or our sales service agency CHECKING CRANKCASE BREATHER The crankcase breather m...

Page 247: ...ratures of these components to drop before performing this operation When removing the cap of oil filter port turn it slowly to release the internal pressure Otherwise it may gush out Refill capacity...

Page 248: ...ning oil tighten drain plug P securely Drain plug tightening torque is 44 1 to 53 9 Nm 4 5 to 5 5 Kgm When removing drain plug P be careful not to get any oil on yourself 6 Loosen hose clamp 3 to remo...

Page 249: ...e at a low idle for two to three minutes before starting the operation CAUTION If you do not pressurize the hydraulic tank equipment will be adversely affected due to suction of air by the pump CHECKI...

Page 250: ...4 52...

Page 251: ...5 1 SPECIFICATIONS 1 SPECIFICATION LIST 5 2 2 SPECIFICATION DIMENSIONAL DRAWING 5 3 3 RATED TOTAL LOAD CHART 5 4 4 WORKING RADIUS AND LIFTING HEIGHT 5 7...

Page 252: ...coping stroke time 5 53m 14 3sec Method Direct push type hydraulic double acting cylinder Boom derrick system Derrick angle time 0 to 80 deg 12 2sec Method Hydraulic motor drive fixed displacement pis...

Page 253: ...5 3 2 SPECIFICATION DIMENSIONAL DRAWING...

Page 254: ...360 720 720 4 00 600 300 600 600 4 50 500 250 500 500 4 70 460 230 460 460 5 00 430 430 5 50 370 370 6 00 330 330 6 54 290 290 7 00 260 7 50 235 8 00 215 8 38 200 Boom length 3 18m boom Boom retracte...

Page 255: ...4 00 600 300 600 600 4 50 500 250 500 500 4 70 460 230 460 460 5 00 430 430 5 50 370 370 6 00 330 330 6 54 290 290 7 00 260 7 50 235 8 00 215 8 38 200 Boom length 3 18m boom Boom retracted minimum 5 0...

Page 256: ...0 300 600 600 4 50 500 250 500 500 4 70 460 230 460 460 5 00 430 430 5 50 370 370 6 00 330 330 6 54 290 290 7 00 260 7 50 235 8 00 215 8 38 200 Boom length 3 18m boom Boom retracted minimum 5 03m boom...

Page 257: ...5 7 4 WORKING RADIUS AND LIFTING HEIGHT 1 WORKING RADIUS AND LIFTING HEIGHT AT WIRE ROPE 4 FALLS...

Page 258: ...5 8 2 WORKING RADIUS AND LIFTING HEIGHT AT WIRE ROPE 2 FALLS...

Page 259: ...6 1 SEARCHER HOOK 1 SEARCHER HOOK EACH SECTION 6 2 2 MOMENT LIMITER DISPLAY UNIT 6 3 3 OPERATION 6 5 4 INSPECTION AND MAINTENANCE 6 8 5 WORKING RADIUS AND RATED TOTAL LOAD 6 11...

Page 260: ...6 2 1 SEARCHER HOOK EACH SECTION 1 Hook 2 E Boom 3 Bracket 4 Position pin 5 Snap pin 6 Hex head bolt 7 Hex head nut 8 High tension washer...

Page 261: ...switch 13 Working radius upper limit switch 14 Lifting height upper limit switch 15 Check switch 16 Cancel switch 17 Searcher hook mode switch 18 Overwind detection LED Red 19 1 fall LED Green 20 2 f...

Page 262: ...esult in serious accidents Travel lock bar must be in lock position when operating searcher hook Pick carry operation is prohibited Keep pressing the searcher hook mode switch 17 for 3 seconds The set...

Page 263: ...like the figure as shown on the right start engine and fully retract and fully lower boom with low rotation engine speed to make the boom level and then stop engine Then pull out starter key 2 Pull up...

Page 264: ...ke sure the searcher hook LED 29 is turned on and fall mode LEDs 19 21 are turned off NOTES When searcher hook mode is turned off fall mode returns to the last setting before shifting to searcher hook...

Page 265: ...ut out by overload work retract boom to recover crane function Refer to Operation 2 3 3 Moment Limiter Operation Recovery operation from auto stop In searcher hook mode rated total load display shows...

Page 266: ...for the correct part number for parts required CONSUMABLES LIST Part Replacement cycle Searcher hook fix bolt M12x35L 4pcs Every 6 months or when damage crack or squash is found Searcher hook fix nut...

Page 267: ...h new ones immediately Breakage of bolts will cause the searcher hook to fall off Check if there are cracks damage or squashed area of threaded part of bolts If cracked damaged or squashed area is fou...

Page 268: ...nly the green light remains lit 3 Check the moment limiter display unit Verify that no error code is displayed at the RATED TOTAL LOAD display on the display panel 4 Start the engine and operate the c...

Page 269: ...no object hoisted The diagram has been made allowing for no deflection in the boom When using the searcher hook be sure to set searcher hook mode for moment limiter Do not use the searcher hook and th...

Page 270: ...50 350 350 5 00 320 320 5 50 280 280 6 00 250 250 6 54 220 220 7 00 200 7 50 180 8 00 160 8 38 150 Boom length 3 18m boom Fully retracted boom 5 03m boom Boom length 3 19m 5 03m 6 87m boom Boom length...

Page 271: ...PERATION MANUAL Document No 541E OM1010 00 First edition October 12 2010 Issued by Maeda Seisakusyo Co Ltd 1095 Onbegawa Shinonoi Nagano Nagano 388 8522 Japan No part of this manual can be reproduced...

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