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Maeda MC-104C-2 Operation Manual Download Page 1

350E-OM0912-03 

 

OPERATION MANUAL

 

 

 

 

 

 

 

 

 

MINI-CRAWLER CRANE 

 

 

 

 

 

 

 

 

Serial No. M01736

 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  &  Maintenance  Manuals  written  in  some  other 
languages.  If  a  foreign  language  manual  is  necessary,  contact  your  local 
distributor for availability. 

 

Summary of Contents for MC-104C-2

Page 1: ...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...

Page 2: ......

Page 3: ...2 AFTER THE ENGINE HAS STARTED 2 8 2 3 DURING CRANE OPERATION 2 12 3 RULES FOR TRANSPORTING A CRANE 2 18 4 RULES FOR HANDLING THE BATTERY 2 20 5 RULES TO OBSERVE IN CONNECTION WITH SERVICES 2 22 5 1...

Page 4: ...2 SETTING UP THE OUTRIGGER 3 34 2 13 MATTERS TO BE KNOWN BEFORE STARTING CRANE WORK 3 39 2 14 OPERATIONS PRIOR TO STARTING CRANE WORK 3 40 2 15 CRANE WORK POSITION 3 41 2 16 HOISTING AND LOWERING OPER...

Page 5: ...S OF SERVICE 4 4 3 LEGALLY REQUIRED INSPECTION 4 6 3 1 SAFETY REGULATION ON CRANE 4 6 4 CONSUMABLE PARTS 4 6 5 LUBRICATION OIL AND GREASE 4 7 5 1 APPLICABLE LUBRICANTS BY AMBIENT TEMPERATURE 4 7 6 STA...

Page 6: ...0 4...

Page 7: ...1 1 INTRODUCTION 1 FOREWORD 1 2 2 SAFETY INFORMATION 1 3 3 OUTLINE OF THE MACHINE 1 4 4 QUALIFICATION FOR OPERATING THE MACHINE 1 5 5 GLOSSARY 1 6...

Page 8: ...or service of this machine This manual should be kept in a designated location as a guide and should be referred to periodically by all the personnel involved Do not use this machine unless and until...

Page 9: ...roper handling may cause damage to or shorten the useful life of the machine Information which is convenient to know Rules described in this manual in connection with procedures and safety for operati...

Page 10: ...elf propelled movement on job sites and crane work within total rated load In addition The cable type remote controller is provided to allow remote control of the crane 3 2 CONFIGURATION OF THE MACHIN...

Page 11: ...avel or turning its travel direction 2 CRANE Equipped with auto sliding type outrigger which allows the crane to work over uneven ground or in a tight space Outriggers can be extended in anyway to mat...

Page 12: ...weight of hook and rope subtracted from total rated load which is the load that can be lifted 3 WORKING RADIUS Means the horizontal distance from swing center to hook center 4 BOOM LENGTH The distanc...

Page 13: ...nts boom angle while point B represents the lifting height above ground Working radius at points A and B are the same 2 Working radius Lifting height Diagram is bases on no load without taking into co...

Page 14: ...be carried out within the performance for the 5 30m Boom If working radius exceeds the value of Working Radius column in the chart by any extent work should be performed within the total rated load i...

Page 15: ...m Boom extended to such extent that the second mark of the boom 2 is exposed When more than one half of the first mark of the boom 2 is exposed too your work should be carried out in accordance with t...

Page 16: ...ad lifted may expose the machine to an unstable position Reduce the working radius and use sufficient care Outriggers extended to the maximum at the top of Total rated load Chart indicates the status...

Page 17: ...nt Never attempt to perform crane work in such zone Of the 4 outriggers the pair of either front and rear or right and left should always be set to the standard placement Front 60 degrees and rear 45...

Page 18: ...of hook object and rope never exceeds the total rated load When the outrigger is not extended to the maximum any total rated load value indicated on load indicator is not useful Read only the boom an...

Page 19: ...E 2 18 4 RULES FOR HANDLING THE BATTERY 2 20 5 RULES TO OBSERVE IN CONNECTION WITH SERVICE 2 22 6 LOCATION FOR AFFIXING CAUTION PLATES 2 29 k WARNING Read and observe these safety related rules thorou...

Page 20: ...wear hard hat safety shoes and safety belt Select and wear protector suitable to particular work Do not wear excessively large clothing or accessory which may be caught by control lever or other proje...

Page 21: ...ehand to proceed with the work in accordance therewith Any work that is likely to create a blind spot should be carried out with particular care by following the instruction and signal of the leader F...

Page 22: ...ry or fire established beforehand Have procedures for notifying an emergency contact doctor ambulance fire station established and displayed conspicuously so anyone at the site can act properly WORK R...

Page 23: ...or oil should be stored in well ventilated area Fuel or oil should be stored at a specified location and do not allow any unauthorized person to approach Do not leave the spot during replenishment Dur...

Page 24: ...oat and ground Between boom or post and hoist cylinder Between winch drum and wire rope Between sheave and wire rope Between track and ground EXHAUST GAS For starting up engine or handling fuel cleans...

Page 25: ...OWABLE DEPTH OF WATER for detail CHECKING THE ENGINE BEFORE STARTING UP Prior to the first start up of the day conduct following inspection Its negligence may result in serious accident involving inju...

Page 26: ...ON 2 5 TRAVEL POSITION OF THE MACHINE for detail Make sure again that there is no person or other obstacle around before starting to travel When starting sound the horn for warning When traveling be s...

Page 27: ...m For traveling in water or crossing a ford check the ground conditions depth and velocity of flow not to exceed the permissible depth See OPERATION 2 11 2 PERMISSIBLE WATER DEPTH for detail Before tr...

Page 28: ...making jerky start stop or turn Particularly going up or down a slope is slippery and hazardous Frozen surface becomes unsteady to travel the machine on The ground will become soft as the temperature...

Page 29: ...tches will be slow leading to unexpected trouble Rapid acceleration of the engine immediately after its start up should be avoided Operate the control lever to relieve hydraulic pressure raise the pre...

Page 30: ...s injury or death for setting up outrigger observe following rules When setting up outrigger do not allow any person to approach Serious accident may result such as your foot being caught by outrigger...

Page 31: ...there is a possibility of boom or wire rope contacting power line discuss with the power company or make sure that measures set forth in related regulations such as placing a guard sheathing the line...

Page 32: ...r lifting off the ground stop hoisting the load once to make sure that the load is stable Before lifting wired load be sure to check that wire rope holding device at hook block is securely in place If...

Page 33: ...uch as lifting worker with it Crane work should only be started after turning ON the over hoist alarm switch Whenever the hook block is over hoisted the warning buzzer will sound to notify you Crane w...

Page 34: ...or the like be sure to leave minimum of 3 windings of the rope on winch drum When hook block rotates with the rope twisted remove such twist completely before resuming your work See OPERATION 4 2 MEA...

Page 35: ...or lifting a load or makinga swing be careful so that wire rope or lifted load does not contact with obstacle such as tree steel structure or the like If entangled with obstacle do not force to hoist...

Page 36: ...raveling backward may cause tipping over For loading or unloading run the engine at idling speed and drive the machine at low speed Use ramp board having sufficient strength in terms of its width leng...

Page 37: ...on Location of center of gravity of the machine is established with the machine in travel position Also for letting the machine assume travel position make sure that hook block is engaged to prescribe...

Page 38: ...supply It may cause the battery to catch fire For charging or starting engine with other battery in use first defrost the electrolyte and make sure it is not leaking Before charging the battery be sur...

Page 39: ...sion Adjust the voltage of charger to that of battery to be charged Incorrect voltage adjustment can result in overheating and explosion of the battery Securely connect the charging clip of the charge...

Page 40: ...ng wear protectors Avoid accident of getting a cut or dirt entering your eyes by touching the high pressure Do not water electric systems sensors connectors receiver boxes 1 Water entering electric sy...

Page 41: ...tracks to prevent the machine from rolling Any service personnel should be careful so that his or her body or clothing does not contact any moving part PREVENTION OF FIRE BREAKING OUT During service...

Page 42: ...iculty in hearing or to be deafened Be sure to use ear covers or plugs during engine service or the like which exposes you to noise for long period of time SERVICE WORK WITH ENGINE RUNNING SHOULD BE P...

Page 43: ...ipping do not get on boom outrigger or machinery cover CARE TO BE TAKEN WHILE REPLENISHING WITH FUEL OR OIL Fuel or oil may ignite when fire approaches to it Particularly gasoline being in use observe...

Page 44: ...m is packedwith grease which is highly pressurized with track tension Attempting to remove grease in negligence of following rules may cause the grease valve to blow off resulting in serious accident...

Page 45: ...ordance with procedures shown in this manual such as follows INSPECTION AND SERVICE 8 5 PRE OPERATION INSPECTION for inspection of engine oil and hydraulic tank oil level check INSPECTION AND SERVICE...

Page 46: ...ople and animals live observe following strictly Do not dispose waste oil to sewerage system or river Be sure to dispose oil from machine to container Do not dispose it directly to ground For disposal...

Page 47: ...TION FOR AFFIXING CAUTION PLATES Keep these labels always clean If it comes off affix it again or replace with new one There are other plates than those shown below Take care of them in the same manne...

Page 48: ...2 30 1 Note for crane performance and outrigger 350 2063300...

Page 49: ...4 Precautions when open close the cover 553 4268600 5 Warning for electric shock 553 4267300 6 Watch for crane approach 349 4422000 7 Minimum lifting load 350 4431200 8 Machine weight display 350 4431...

Page 50: ...for keeping away from fire 350 4433100 13 Note for refilling fuel amount 350 4514200 14 Note for muffler 349 4427800 15 Note for crane work prohibited zone 350 3252200 16 Note for inserting plug 300...

Page 51: ...00 20 Note for outrigger 349 4427000 21 Note for traveling on slope 350 4515600 22 Note for over hoist alarm buzzer 350 4432100 23 Note for operation and service work 893 4239100 24 Note for main swit...

Page 52: ...2 34 27 General rules for use Card type 350 2098500...

Page 53: ...3 2 2 OPERATION CONTROL 3 15 3 HANDLING OF RUBBER TRACK 3 53 4 HANDLING OF WIRE ROPE 3 57 5 TRANSPORT 3 59 6 HANDLING IN COLD CLIMATE 3 62 7 LONG TERM STORAGE 3 63 8 HANDLING OF BATTERY 3 64 9 MEASUR...

Page 54: ...Boom derrick cylinder Winch Post Travel control Outrigger Outrigger cylinder Machinery cover Rubber track Engine Flood light Hook hanger Crane control Outrigger mode indicator lamp Hook block Over ho...

Page 55: ...RE OF TRAVEL CONTROL COMPONENTS accelerator lever L H travel lever R H travel lever Travel stand lock lever Hour meter Fuse 5A Fuse 15A Battery charge lamp Flood light switch Horn switch Main starter...

Page 56: ...stopping swinging and adjusting travel speed Forward travel Push both of the left and right levers forward simultaneously Neutral Take your hands off both of the left and right levers simultaneously...

Page 57: ...and forward to the Travel Position The machine is in Travel Position when the bottom end of locking lever fits into the guide groove For crane operation Pull up the locking lever before pressing the w...

Page 58: ...lt to start Use the choke in the following manner 1 Pull the knob all the way back 2 Place the starter switch at Start position 3 When the engine starts press the knob to original position 3 FLOOD LIG...

Page 59: ...nator belt for proper tension 3 FUSE k CAUTION For checking or replacing a fuse make sure that main starter switch is at OFF position CAUTION Fuse protects electric components and wiring from burning...

Page 60: ...telescope lever Outrigger mode indicator lamp Load meter Level instrument EMO switch Winch lever Boom derrick lever Auxiliary starter switch Horn switch Outrigger switch a Outrigger control switch b O...

Page 61: ...ght 3 BOOM TELESCOPE LEVER Used for telescoping the boom Extension Push the lever forward to Extend Neutral Take your hand off the lever which will return to Neutral position causing the telescoping o...

Page 62: ...ttently 2 AUXILIARY STARTER SWITCH CAUTION The auxiliary starter switch functions only while main starter switch at travel control is in ON position To start up engine using the auxiliary starter swit...

Page 63: ...at corresponds to your number of part reeving Standard for this machine is 4 part reeving 2 LEVELING INSTRUMENT k WARNING For setting up outrigger adjust the level of machine while checking it by mean...

Page 64: ...fall down and result in an accident CAUTION Traveling the machine may cause the load to bounce and alarm to sound When you let the machine assume travel position turn OFF the switch for the over hoist...

Page 65: ...gent and request repair When starting the engine again after stopping it with the EMO switch firstly make sure that the cause of the problem has been cleared the locking lever of the travel lever stan...

Page 66: ...Remove 8 mounting bolts of left hand side machinery cover NOTES The mounting bolts are being used in quantity of 4 at the top 3 at the rear and 1 on the side 2 Remove 2 mounting bolts of the right han...

Page 67: ...il leakage in addition to checking the crane and hydraulic systems Check for looseness or play in electric wiring and deposit of trash in places where it is exposed to high temperature Inspections des...

Page 68: ...ry INSPECTION OF BOOM Check for crack bend damage in various area wear of support pin or the like and repair it as necessary Check for loosened mounting bolt of the support pin lock plate portion and...

Page 69: ...ne Be sure to replenish with recommended oil Level of engine oil should be maintained properly Excessive feed of oil may lead to its increased consumption or its pre matured deterioration as its tempe...

Page 70: ...the fuel filter Fuel may leak when traveling on slopes if above the red line 1 Removing the cap F check the fuel filter being positioned inside the fuel tank to see if the fuel level is in the neighb...

Page 71: ...machine assume travel position Checking the oil level with the machine remaining in working position tends to cause over filling because oil in each cylinder may not have returned to the tank Do not f...

Page 72: ...out of the oil level check plug 3 After replenishment tighten the oil level check plug G and filler hole plug F securely 5 CHECKING AND CLEANING THE RECOIL STARTER CAUTION Clogging of the recoil start...

Page 73: ...er to make sure that there is no water or dust remaining in it and the screen is not clogged with dust 3 If any water or dust is found to remain inside the filter pot clean the pot internals in the fo...

Page 74: ...conceivable If the buzzer does not stop sounding trouble in the system is conceivable Contact your dealer or service shop for repair 3 Press the horn switch and make sure that horn sounds If not troub...

Page 75: ...easily pull the choking knob and proceed with starting procedure Before starting up the engine make sure that fuel lever of fuel filter pot is in vertical Open position Make sure that main switch on r...

Page 76: ...the fuel lever of fuel filter pot is in vertical position Open Make sure that main switch in remote control system box is at OFF position 1 Insert key into main starter switch and turn it to ON posit...

Page 77: ...icult pull the recoil starter knob strongly and quickly Before starting the engine make sure that fuel lever of fuel filter pot is in vertical Open position Make sure that the main switch at remote co...

Page 78: ...that hydraulic oil is used in the temperature range of 50 to 80oC Even when you have to work in low temperature at least the oil temperature should be raised to 20oC before starting your work Do not...

Page 79: ...o check that its function is normal If not repair it as necessary 9 Slowly operate winch lever back and forth to check that hook block is hoisted and lowered smoothly that it stops immediately when th...

Page 80: ...ng direction When break in period reaches 20 hours be sure to change engine oil in accordance with INSPECTION AND MAINTENANCE 8 6 1 ENGINE OIL REPLACEMENT Metal particles due to adaptation of engine i...

Page 81: ...Immediate front of the machine will become a blind spot Pay special attention when traveling forward In case your traveling direction is in a blind spot and you can not make certain of the safety stop...

Page 82: ...r on your left hand side Pushing it forward causes the machine to turn right in the direction of traveling forward Pulling it back causes the machine to turn right in the direction of traveling forwar...

Page 83: ...D With the left travel lever pull back return only the right travel lever to Neutral 2 8 STOPPING AND PARKING THE MACHINE k WARNING Avoid making sudden stop and bring the machine to stop slowly where...

Page 84: ...the accelerator lever forward all the way to the stroke end to place engine at low speed and run it at idling speed for about 5 minutes 2 Turn the key in main starter switch to OFF position Engine wil...

Page 85: ...nderwater work this machine may be used to the depth of the center of idler 3 RULES FOR UPHILL OR DOWNHILL OPERATION Traveling on any slope steeper than 15 degrees should be avoided as it may cause ti...

Page 86: ...correctly Check the relations between the numbers shown on Instruction Plate at the switch and number plate affixed on each individual outrigger Incorrect operation can result in a serious accident Wh...

Page 87: ...hen placing outriggers to maximum the holes of rotary to insert positioning pins are different for the set of outriggers and and that of and Read this section carefully to place the outriggers properl...

Page 88: ...BITED ZONES and working within should be avoided 4 Remove snap pin at the end of positioning pin of linkage bracket and pull out the pin 5 Lift up the top box and align the hole of top box with the po...

Page 89: ...the positioning pin to the hole of top box and retain it with the snap pin at its end NOTES When the outrigger is set with the pin inserted to any hole other than that of sticker Maximum Extension of...

Page 90: ...e same manner so that floats of all the four outriggers are grounded before placing each switch at Neutral 6 After grounding all the floats push the outrigger set up switch individually or two at a ti...

Page 91: ...and lower the hook block Extending the boom causes the hook block to be hoisted and buzzer of over hoist preventive system to sound If the buzzer sounds release the boom telescoping lever and let it r...

Page 92: ...side of travel control and place the locking lever in Crane Work position If the travel lever stand is pushed forward and locking lever is placed in Travel position any of these control levers or out...

Page 93: ...let the machine assume CRANE WORK POSITION in the following manner 1 Operate the winch lever downward to Lower position and lower the hook block to the extent that it is not grounded 2 Operate the Boo...

Page 94: ...of winch lever and accelerator lever 2 17 BOOM DERRICKING OPERATION k WARNING Boom derrick lever should be operated as slowly as possible Rapid lever operation particularlywith a load lifted will caus...

Page 95: ...device buzzer sounds while you are extending the boom place the boom telescoping boom in Neutral immediately to stop telescoping of the boom CAUTION While the boom is being telescoped the hook block w...

Page 96: ...swing lever in the following manner Counterclockwise swing Push the lever forward to Left position Neutral Take your hand off the lever Lever will return to Neutral position and the swing motion will...

Page 97: ...icator and pointer crosses each other 3 Operate boom telescoping lever to extend the boom to desired length 4 The total rated load should be read as the value where the Scale of Boom Length in Use in...

Page 98: ...ork will be safe 2 HOW TO USE LOAD INDICATOR WITH OUTRIGGER EXTENDED TO MIDWAY OR MINIMUM When you work with outrigger configuration other than maximum extension read the boom raise angle bymeans of l...

Page 99: ...and damage surroundings with interference Retracting the boom places the hook block in such condition as if it were lowered Also lowering the boom causes the hook block to be lowered To prevent the h...

Page 100: ...w speed Leaving it running at high speed causes sudden actuation of outrigger resulting in serious accident including tipping over of the machine When you lower floated machine to ground operate 4 out...

Page 101: ...E PERFORMED AFTER ENGINE HAS BEEN SHUTDOWN Although the method for stowing outrigger is described hereunder with regard to the outrigger only follow the procedure for other 3 outriggers as well 1 Afte...

Page 102: ...he positioning pin of the rotary and turn the rotary to inside 8 Turn the rotary and align the sticker Stow which is affixed to the side of rotary with the sticker Stow affixed to the side of frame 9...

Page 103: ...USE Dragging in or pulling to erect a load by means of swing motion is prohibited 2 PROHIBITION OF WORKING WITH BOOM RAISING FORCE IN USE Dragging in or pulling to erect a load by means of boom raise...

Page 104: ...leads to trouble Crane work in particular should be performed in accordance with total rated load chart 8 PROHIBITION OF FORCIBLE WIRE ROPE HOISTING Be careful for wire rope not to be caught by tree...

Page 105: ...its material demonstrates various advantages it has inherent weak point relevant to strength as well Consequently if you fully understand the features of rubber track and observe prohibitions and rule...

Page 106: ...of boulders of various sizes are in existence pebbles are likely to lodged and damage rubber track or to cause the track to come off Do not allow oil or chemical solvent to get on rubber track Wipe i...

Page 107: ...vel direction will result in premature wear or damage of rubber track Avoid it where possible Do not operate the machine to rub rubber track edge against concrete ridge or wall Avoid changing travel d...

Page 108: ...achine on beach or the like because adhesion of internal metal will be corroded by salt Work in extremelycold region causes nature of material of rubber track to change shortening its service life Rub...

Page 109: ...rope replacing procedure see INSPECTION AND MAINTENANCE 8 5 6 REPLACING THE WINCH WIRE ROPE For replacement or repair of wire rope contact your dealer 1 NOMINAL DIMENSIONS OF WIRE ROPE Wire rope for...

Page 110: ...With wedge socket pin locking bolt removed take off the wedge socket 5 Forcibly twist the wire rope end in the opposite direction of hook block being twisted as checked in step 1 above opposite to the...

Page 111: ...th to enable loading and unloading safely Select level and hard ground and leave sufficient distance from road shoulder Remove mud or dirt off undercarriage to prevent side skidding on ramp board Also...

Page 112: ...it by means of helicopter use such transport device as shown to the right for your working safety Do not lift the machine with any other procedure than shown hereunder It may cause the balance to be l...

Page 113: ...move key of starter switch 2 So that the machine does not move during transport engage chocks to front and rear of rubber tracks and lock with chain or wire rope in use Secure it firmly to prevent sid...

Page 114: ...26 1 27 1 28 1 29 80 1 24 1 25 1 26 1 27 75 1 23 1 24 1 25 1 26 3 RULES FOR AFTER COMPLETION OF WORK To prevent deficiency the following morning due to deposit of mud water or frozen undercarriage ob...

Page 115: ...of corrosion open window or door for improved ventilation to avoid gas intoxication During storage operate the machine at least monthly to prevent loss of oil film at lubricated area and charge batte...

Page 116: ...dangerous as it generates sparks Loosened terminal may cause sparks to be generated due to deficient contact resulting in explosion Be sure to connect terminals securely When replacing fix it to preve...

Page 117: ...CHARGING THE BATTERY For charging with the battery as it is mounted As alternator could be damaged with abnormal voltage applied to it remove wiring for battery terminals before starting to charge Dur...

Page 118: ...tact with each other or with the machine CAUTION Use booster cable having such clip as the size of which is suitable for the size of battery Battery on the normal machine should be of equal capacity w...

Page 119: ...s before attempting again NOTES For engine starting up procedure see OPERATION 2 2 STARTING UP THE ENGINE 4 DISCONNECTING THE BOOSTER CABLES Once the engine has started disconnect them with procedures...

Page 120: ...harger Starter unable to rotate engine fast enough Battery charge level deficient Charger Defective starter Replace Before starting engine starter engagement come off Defective wiring Check and repair...

Page 121: ...f spark plug deficient Check and replace Compression insufficient Check and replace Engine starts but stops immediately oil level in oil pan low See INSPECTION BEFORE STARTING YOUR WORK and replenish...

Page 122: ...3 70...

Page 123: ...UCTING SERVICE 4 2 2 BASICS OF SERVICE 4 4 3 LEGALLY REQUIRED INSPECTION 4 6 4 CONSUMABLE PARTS 4 6 5 LUBRICATION OIL AND GREASE 4 7 6 STANDARD TOOLS AND STANDARD TIGHTENING TORQUE 4 8 7 LIST of INSPE...

Page 124: ...nuine oil and grease Also use those having specified viscosity for ambient temperature 4 USE CLEAN OIL AND GREASE Use clean oil grease as well as container and prevent dust from entering 5 KEEP THE MA...

Page 125: ...use the rubber track with less tension than normal 17 CHECKING AT THE TIME OF CLEANING Do not apply spray of mist to electric components and connector directly Do not water control panels Do not apply...

Page 126: ...care not to allow impurity to be mixed such as water or trash For long term storage in oil drum place drums horizontally so that their openings are aligned laterally in line for preventing suction of...

Page 127: ...e machine assume Travel Position so that pressure is not applied to cylinder circuit Be sure to shutdown the engine Immediately after operation temperature and pressure of hydraulic oil and lubricatio...

Page 128: ...k boom extension hoist and swing motions for proper actuation and stopping With inspection performed if any deficiency should be found contact your dealer 4 CONSUMABLE PARTS Consumable parts including...

Page 129: ...service For starting up engine at ambient temperature below 0 even if it is known that temperature during day rises to about 10 still be sure to use SAE10W 30 SAE10W 40 Oil to be used in the engine o...

Page 130: ...cifically indicated Determine appropriate tightening torque according to width across flats b of bolts and nuts 1 BOLT MARKED 8 8 strength classification ON ITS HEAD Nominal a mm With across flat b mm...

Page 131: ...0 158 1 310 1 770 134 182 33 50 2 100 214 1 790 2 410 182 246 36 55 2 700 275 2 300 3 100 234 316 3 BOLT MARKED 12 9 strength classification ON ITS HEAD Nominal a mm With across flat b mm Tightening t...

Page 132: ...16 7 1 25 1 65 12 19 25 0 2 55 21 7 28 8 2 20 2 95 14 22 40 0 4 10 34 8 46 0 3 55 4 70 16 24 62 5 6 40 54 3 71 9 5 55 7 35 18 27 86 0 8 75 74 8 98 9 7 60 10 0 20 30 122 12 4 106 140 10 8 14 3 22 32 16...

Page 133: ...ENGINE EXHAUST GAS HOLE 3 20 7 CHECKING AND CLEANING THE FUEL FILTER POT 3 21 8 CHECKING THE HORN AND OVER HOIST PREVENTIVE DEVICE 3 22 9 CHECKING THE FLOOD LIGHT 3 22 8 5 IRREGULAR SERVICE 4 14 1 CHE...

Page 134: ...ING THE ENGINE CARBURETOR 4 37 3 CHECKING AND FITTING THE ENGINE INTAKE AND EXHAUST VALVE SEAT 4 37 4 RETIGHTENING THE ENGINE HEAD BOLTS 4 37 8 10 SERVICE IN EVERY 1000 HOURS 4 38 1 REPLACING THE OIL...

Page 135: ...ter 200 hours of operation 1 REPLACING THE OIL IN HYDRAULIC OIL TANK AND RETURN FILTER For the location and method see 8 9 SERVICE IN EVERY 500 HOURS 2 REPLACING THE OIL IN WINCH SPEED REDUCER CASE Fo...

Page 136: ...h access window of the right hand side machinery cover and remove bolt of the air cleaner cover 2 Take out element and sponge from inside of the body and check if the element sponge is clogged with du...

Page 137: ...istilled water in order to avoid freezing do it before starting your work the following morning 1 Check the electrolyte level by looking through the side of battery case NOTES Clean the battery case i...

Page 138: ...Particularly in case new machine or new track has been installed after adjusting the tension to specified value keeping to travel for 5 to 30 hours will cause initial slack to develop Until such init...

Page 139: ...e gun 3 To confirm that the tension is proper proceed with following 1 With the outrigger stowed away ground the machine For details of outrigger stowing method see OPERATION 2 23 STOWING THE OUTRIGGE...

Page 140: ...let the grease come out 3 Use care not to loosen the grease valve by more than one turn 4 If the grease does not come out smoothly take following measures 1 Stow away the outrigger and lower the mach...

Page 141: ...ving worn if steel cord inside the rubber track is exposed over two or more links the track should be replaced BREAKAGE OF STEEL CORD Any rubber track with more than one half of its steel cord layer o...

Page 142: ...rubber track make sure that internal grease has been completely removed then rotate the sprocket REPLACING THE RUBBER TRACK Have a piece of steel pipe ready 1 Set up outrigger and lift the undercarri...

Page 143: ...rubber track and stop the rotation of sprocket 4 After inserting the steel pipe rotate the sprocket again and engage the rubber track with the idler securely 5 Stop the rotation and make sure that th...

Page 144: ...lightly 3 Push the winch lever forward to Down position to ground the hook block 4 Remove weight from wire rope 5 After removing wedge socket mounting bolt remove the wedge socket 6 Remove wire clip 7...

Page 145: ...the rope off the drum be sure to have the rope itself rotate while unwinding Install wire rope in the following manner 1 Holding the wire rope byits end thread the wire rope through the weight of ove...

Page 146: ...n of arrow 6 Install wire clip to the wire rope 7 Install wire socket to boom and tighten bolt 8 Pull back the boom derrick lever to Hoist position and hoist the boom to high angle 9 Push the winch le...

Page 147: ...the boom horizontally and while retracting the boom check to see that the boom pull out wire rope is slackened at its midway If it is slacked down see Wire Rope Adjustment and make the adjustment 2 W...

Page 148: ...this position measure the clearance a and b and make following judgment If the clearance a is 5mm or greater adjust the No 3 boom retracting wire rope If the clearance a is zero make the adjustment i...

Page 149: ...oom pull in wire rope in the step 6 hereunder 5 Adjustment of No 4 boom pull in wire rope 1 With lock nut loosened turn in the right and left side adjust nuts evenly in the direction that pull in wire...

Page 150: ...useful life of dry battery has expired Replace the dry battery in the following manner Type of dry battery 9V006P 1 With boom lowered to horizontal position turn the switch of the over hoist preventi...

Page 151: ...Insufficient oil on the other hand may cause seizure in engine Container to receive drained oil Have one with a capacity of 2 liters or greater Capacity of oil pan 0 9 liters 1 Park the machine on lev...

Page 152: ...or 2 Loosen lower bolt and adjust bolt 3 Pull back the bar and slide the alternator so that the amount of slack A of the belt is about 10 15mm 4 Tighten the lower bolt and adjust bolt and lock the alt...

Page 153: ...ing socket 1 pc 3 With the handle threaded through the hole in spark plug box wrench remove the spark plug 4 Remove carbon off the spark plug by means of plug cleaner or wire brush NOTES Do not use a...

Page 154: ...tening it securely 1 Drive the machine back and forth so that the drain plug P for travel reducer case comes directly at the bottom 2 Remove the oil level check plug G of travel reducer case to see th...

Page 155: ...locations 7 Greasing of swing gear 2 locations 8 Greasing of boom slide plate 6 locations 6 locations Molybdenum grease 9 Grease coating of boom surface at each side and bottom Each boom 10 Grease co...

Page 156: ...4 34...

Page 157: ...ng the level with the machine in working position may cause you to judge the level to be low and feed oil excessively After replacing oil do not start engine until oil reaches all over the piping and...

Page 158: ...leed air from the hydraulic circuit in the following manner 17 Bleed air in accordance with the following sequence 1 Wait until piping and hydraulic equipment have filled with oil before starting up t...

Page 159: ...of engine speed becomes pronounced idling can not be continued or fuel leaks from carburetor contact your dealer for diagnoses 3 CHECKING AND FITTING THE ENGINE INTAKE AND EXHAUST VALVE SEAT For this...

Page 160: ...case oil for replacement 0 7 liters 1 Park the machine on level ground 2 Place the container directly under the drain plug P of the winch reducer case for receiving drained oil 3 To avoid being splash...

Page 161: ...k the machine on level ground 2 Remove the machinery cover For details see OPERATION 1 7 MACHINERY COVER 3 Set up outrigger and lift the machine to the maximum For details see OPERATION 2 12 OUTRIGGER...

Page 162: ...level ground 2 Drive the machine back and forth so that the travel reducer case drain plug P comes directly to the bottom 3 Place a container directly under the drain plug P lower to receive the drai...

Page 163: ...5 1 SPECIFICATIONS 1 SPECIFICATIONS 5 2 2 OVERALL DIMENSIONS 5 3 3 TOTAL RATED LOAD CHART 5 4 4 WORKING RANGE 5 4...

Page 164: ...Swing system Type Swing ring support hydraulic motor driven worm Spur gear reduction Swing angle speed 360 degrees continuous 1 8 min 1 1 8 rpm Outrigger system Type 1st stage with flexible stay damp...

Page 165: ...5 3 2 OVERALL DIMENSIONS Above sketch represents the machine with the travel lever stowed for Transport Position...

Page 166: ...5 4 3 TOTAL RATED LOAD CHART 4 WORKING RANGE...

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Page 168: ...OPERATION MANUAL Document No 350E OM0912 03 Fourth edition December 15 2009 Issued by Maeda Seisakusyo Co Ltd 1095 Onbegawa Shinonoi Nagano Nagano 388 8522 Japan No part of this manual can be reprodu...

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