Furukawa Unic URW370C4U Series Скачать руководство пользователя страница 167

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13-17

MAINTENANCE AND INSPECTION OF CARRIER

◆

Cleaning of element/Check

•

Do not strike the air cleaner
element or hit it against other
object when cleaning the
cleaner.

•

Do not use a cleaner which
has been damaged in the folds
or gasket.

•

Do not wash the element with
water.

•

Wear safety goggles when
cleaning it by blowing a com-
pressed air and set the air
pressure to a level less than
0.49MPa (71.1psi(5kgf/cm

)).

■

Cleaning

■

Check

CAUTION

• When it is soiled with dry dust:
Blow compressed air with a pressure of 0.29 ~
0.49MPa (28.4 ~ 71.1psi (3.0 ~ 5.0kgf/cm

)) to

the inside of the element along the folds.

Clean the element as follows:

Check the element after cleaning.
Check visually the filter paper by lighting
inside of the element.
Replace the element if any of damage, pin-
hole, or particularly thin area in the filter
paper has been found.

Содержание URW370C4U Series

Страница 1: ...RIES SERIES OMURW37C4U50C4U547C4U201510A PRINTED IN JAPAN OPERATION MAINTENANCE MANUAL MINI CRAWLER CRANE HEAD OFFICE Nihonbashi nishikawa Bldg 5 3 Nihonbashi 1 chome Chuo ku Tokyo 103 0027 Japan MODE...

Страница 2: ......

Страница 3: ...safe operation of the crane Operate the crane after you have understood the contents of this manual Although we take all possible measures to ensure quality of the crane you are requested to contact...

Страница 4: ...ion 11 4 Procedures to set up outriggers 11 6 How to operate boom for derricking raising and lowering 11 15 How to hoist and lower the hook 11 16 How to telescope boom 11 18 How to slew boom 11 20 How...

Страница 5: ...afety covers 13 35 Maintenance and inspection of engine 13 35 14 MAINTENANCE AND INSPECTION OF CRANE Inspection before operation 14 2 Cleaning 14 3 Inspection of bolts mounting slewing bearings 14 3 R...

Страница 6: ...te controller Difference in operation due to crane specifications is separately illustrated in this manual for each specification Crane covered in this manual are roughly divided into three the radio...

Страница 7: ...C4U Standard type URW500C4U series With radio remote controller With cable remote controller Manual specification URW506C4U R URW505C4U RS URW505C4U Short type With radio remote controller With cable...

Страница 8: ...controller With cable remote controller Manual specification URW547C4U R Crane covered in this manual are roughly divided into three the radio remote control type the cable remote control type and th...

Страница 9: ...MEMO...

Страница 10: ...the crane and may invite an accident and this will not only shorten its service life but will impair safety in the crane operation Please remember in such cases that no warranty will be given even if...

Страница 11: ...ire WARNING 4 Check that no safety covers have been left removed It is very dangerous to start the engine to operate the crane with the safety cover removed as the driving mechanism is exposed 5 Be su...

Страница 12: ...peed gear on a slope 9 Be sure to use a pallet against the rub ber crawler when parking the crane on a slope 10 Do not make an abrupt stop and start and change a course on a slope 11 When crawling up...

Страница 13: ...abrupt swing or shift of center of gravity 15 Do not park the crane over a place where withered grass or straw are being spread It may cause a fire by heat of exhaust pipe or exhaust gas 16 Do not us...

Страница 14: ...to store Failure to disconnect it may cause a fire as cables short circuited by gnawing animals such as rat 6 Disconnect a battery cable before the crane is to be stored for a long period of time Cab...

Страница 15: ...inging implement is used fall of lifted cargo may result 3 Turn ON the overwinding alarm switch 4 Make sure that each safety device is always functioning properly Be sure to turn ON the overwinding al...

Страница 16: ...hat the hook will not be overwound Be sure to turn ON the overwinding alarm switch Remember that the hook is wound up when boom is extending If the hook hits against the boom top due to overwinding of...

Страница 17: ...oisted This may cause a fall from the cargo being hoisted 11 Pay attention that wire ropes will not be paid out unnecessarily to prevent ropes from being wound around the drum irregularly Operation su...

Страница 18: ...mulated high pres sure still remains Removing filling cap draining oil or replac ing oil filter while temperature is still high allows hydraulic and or gear oil to spout out and a scald may result 2 D...

Страница 19: ...4 1 4 DESCRIPTION OF CARRIER EQUIPMENT 17 19 8 10 6 14 7 9 5 2 1 4 3 14 18 17 11 12 16 20 13 URW505C4U...

Страница 20: ...4 2 17 19 8 10 6 14 7 9 5 2 1 4 3 14 18 17 11 12 16 20 13 URW375C4U URW376C4U URW506C4U URW547C4U DESCRIPTION OF CARRIER EQUIPMENT...

Страница 21: ...00 ft 800 1676m It allows the engine to decrease quantity of jet 1 Rubber crawler Cored bar and steel fabric cords are integrally molded in the rubber which is of the same quality as automobile tire 2...

Страница 22: ...MEMO...

Страница 23: ...5 1 5 DESCRIPTION OF CRANE EQUIPMENT 2 3 4 5 6 7 1 9 10 8 11 12 13 14 27 15 16 17 18 21 29 22 23 24 25 26 28 24 URW505C4U...

Страница 24: ...5 2 2 3 4 5 6 7 1 9 10 8 11 12 13 14 27 15 16 17 18 19 21 29 22 23 24 25 26 28 20 20 24 DESCRIPTION OF CRANE EQUIPMENT URW375C4U URW376C4U URW506C4U URW547C4U...

Страница 25: ...g a cargo up and down tele scoping boom and slewing boom 10 Outrigger operating levers This lever controls outriggers The outrigger control switch section 20 selects each movement of extension and ret...

Страница 26: ...hen the crane cannot to be operated due to a fault in function of automatic stop for overwinding turning the switch to reset side releases the automatic stop for overwinding device 26 Head light switc...

Страница 27: ...ook OR selector valve Outrigger buzzer Caution High temperature Boom raius indicator Caution High temperature Caution Mode indicator lamp Loading and unloading procedures Caution Slewing boom Mass of...

Страница 28: ...of battery may cause to catch fire leading to explosion Do not make it short circuiting sparking and bring close to a fire In addition you may be blinded or burned by battery electrolytic solution Wh...

Страница 29: ...ssible Keep an appropriate distance between the boom top and the hook while extending the booms Do not travel with a load lifted and operate the crane without outriggers extended When lifting up a car...

Страница 30: ...are to be rotated Do not extend vertical cylinder and inner box with the outriggers retracted and operate the crane each under the halfway or the minimum capacity specified in the When extending outr...

Страница 31: ...d to be rotated when the floats touch to the supports mounted lower side Be sure to store the outriggers before travelling outriggers may not be rotated unexpectedly When outriggers are to be extended...

Страница 32: ...bed Foot board requirements When foot boards are used such as when loading or unloading the crane onto out of vehicle or passing over a ridge pay attention to avoiding any critical condition Length o...

Страница 33: ...to minimum means the state that the inner box is extended to the position where When each of 4 outriggers has been set to different extension operate the crane by using the worst extended capacity Wh...

Страница 34: ...ELLATION OF AUTO STOP MODE INDICATOR MANUAL AUTOMATIC STOP When mode indicator lamp is ON radio controlled operation can be performed When mode indicator lamp is OFF manual operation can be performed...

Страница 35: ...on Turn it by 90 with button depressed to lock Note Turn it back by 90 for unlocking the button Turn it by 90 with A depressed to lock Turn it by 90 with B depressed to lock Fig 1 Covers to be removed...

Страница 36: ...igger valves for operating vertical members OUTRIGGERS OPERATION FOR EMERGENCY A RET EXT B 4 3 2 1 Outrigger valve for extension retraction 1 Remove covers at 2 places as illustrated in the gure 1 out...

Страница 37: ...he oil may be over supplied Since hydraulic oil temperature is too high and its volume if the oil is supplied beyond the Hi level limit on correct oil quantity Therefore be sure to check the oil tempe...

Страница 38: ...rned to STOP all crane movements make an emergency stop Operation with the transmitter remote controller cannot be performed during manual mode Mode indicator lamp OFF If the crane does not operate in...

Страница 39: ...l cylinder Bracket Approx 2in 50mm above the ground 30 40 Flat and solid ground 30 40 Carry out operation by making the crane level on a flat and solid ground with the outriggers extended to their ext...

Страница 40: ...2in 50mm above the ground Flat and solid ground The figure above shows that outriggers are extended to their extremes Carry out operation by making the crane level on a flat and solid ground with the...

Страница 41: ...xtended to maximum Front Rear Mark 2nd Rear Front Rear Front Mark 1st Outriggers extended halfway Outriggers extended to minimum Outriggers extended to maximum means that the inner box is extended to...

Страница 42: ...4 DEFINITION OF TERMS There is no outrigger halfway and minimum extension for the short outrigger model Outriggers extended to maximum 15 3ft 4080mm 13 4ft 13 4ft 4670mm 4080mm Rear Front 2 URW505C4U...

Страница 43: ...5170mm 4080mm 13 4ft 13 4ft 4670mm 4080mm Outriggers extended to maximum Front Rear Mark 2nd Rear Front Rear Front Mark 1st Outriggers extended to maximum means that the inner box is extended to a pos...

Страница 44: ...sections are retracted Boom 1 2 or 2 Boom section 2 only is extended Boom Boom Boom Boom Boom Boom 1 2 3 4 or 4 Boom section 4 is extended to the mark Boom 1 2 3 4 5 or 5 Boom sections 2 3 4 and 5 are...

Страница 45: ...Boom 1 2 3 or 3 Boom sections 2 and 3 extended to a position where 1st mark on the boom section 3 is visible Boom Boom Boom Boom Boom Boom Boom 1 2 or 2 Boom section 2 only is extended Boom Boom Boom...

Страница 46: ...extended to a position where 1st mark on the boom section 4 is visible Boom 1 2 3 or 3 Boom sections 2 and 3 extended to a position where the mark on the boom section 3 is visible Boom 1 2 or 2 Boom s...

Страница 47: ...5 34 9ft 10 66m Boom 34 9ft 10 66m Boom means that the boom is extended to a position where the 1st mark on the 4th boom section is visible 15 5 ft Boom 4 74m 16 15 5ft 4 74m Boom 15 5ft 4 74m Boom me...

Страница 48: ...d to a position where the 2nd mark on the 4th boom section is visible 54 0ft Boom 16 48m 16 25 45 54 35 54 0ft 16 48m Boom 54 0ft 16 48m Boom means that the boom is extended to a position where the 3r...

Страница 49: ...uding hook and hooking implements which can be lifted according to the boom angle and or the boom length deter mined on the basis of stability of crane This refer to maximum load of the rated load des...

Страница 50: ...MEMO...

Страница 51: ...o m l e n g t h A B Working radius Boom angle Lift above ground H Working radius with a cargo hoisted Working radius before hoisting cargo These charts are stuck in front of crane operation levers and...

Страница 52: ...UM HALFWAY MINIMUM OUTRIGGERS EXTENDED TO MAXIMUM HALFWAY MINIMUM OUTRIGGERS EXTENDED TO MAXIMUM HALFWAY MINIMUM OUTRIGGERS EXTENDED TO 40 2 15 0 16 0 20 0 23 0 26 0 30 0 33 0 36 0 BOOM SECTION WORKIN...

Страница 53: ...crane and stability of the crawler Be sure to check the rated load as it is to be changed according to how far the outriggers are extended This chart shows the rated load including load handling equip...

Страница 54: ...MEMO...

Страница 55: ...eight for overwinding alarm is lifted up to the detector Since the length of wire rope hanging the weight is specified by laws and regulations concerned do not make it short at random The alarm will s...

Страница 56: ...but with some delay even if the hook hits against the weight for overwinding alarm which is not a disorder Operate the cane after temper ature of hydraulic oil rises to a sufficient level by carrying...

Страница 57: ...r overwinding reset switch Reset If crane cannot be operated due to failure in the automatic stop reset the automatic stop and store the crane Step 1 Turn the reset switch for the automatic stop for o...

Страница 58: ...he scale of meter is the working radius in each combination of boom sections being extend ed Deflection of the needle on the angle scale reads the boom angle 2 Boom angle Side of boom Pointer Scale UR...

Страница 59: ...0 23 0 26 0 30 0 33 0 36 0 BOOM SECTION WORKINGRADIUS ft 47 3 16 0 18 0 20 0 23 0 26 0 30 0 33 0 36 0 39 0 43 0 WORKING RADIUS ft RATED LOAD lbs RATED LOAD lbs RATED LOAD lbs RATED LOAD lbs 5150 5100...

Страница 60: ...ing radius with a cargo hoisted Working radius before hoisting cargo CAUTION Since the working radius increas es due to deflection of the boom when a cargo starts to be lifted up set the boom angle so...

Страница 61: ...gers not max ext accordingly on the chart of rated load The load indicator can not be used when the outriggers are extended to minimum or to halfway CAUTION WARNING It is important that you know the w...

Страница 62: ...g range during crane operation or to workers in charge of slinging work near the cargo or in a course where the cargo may pass along Depress the switch button to give warning sound The mechanism is to...

Страница 63: ...CARRIER Designation of each control lever and its location URW505C4U Crawling lever Left Crawling lever Right Interlock for crane crawl operation Accelerator pedal Crawling speed change lever Monitor...

Страница 64: ...5C4U URW376C4U URW506C4U URW547C4U Crawling lever Left Crawling lever Right Interlock for crane crawl operation Accelerator pedal Crawling speed change lever Monitor lamps Starter switch HOW TO OPERAT...

Страница 65: ...d continuous operation under heavy load must be avoided CAUTION Ventilate well when starting the engine in a small limited area or indoors Do not start the engine from the outside of the operator s se...

Страница 66: ...hat the engine has been overheated Stop the crane work immediately and idle the engine to wait until the lamp goes out Stop the engine running after the lamp has gone off and wait until water temperat...

Страница 67: ...tely and move the crane to a safe place to stop the engine running Check the belt for tightness and damage Check the electric wiring to alternator and relays for loose connection and or poor con tact...

Страница 68: ...has been carried out When carrying out air bleed of the fuel sys tem actuate the fuel priming lever 1 several times until the cup 2 in the fuel filter is filled up with fuel Do not feed fuel for air...

Страница 69: ...motor for more than 20 seconds without a break If it failed to start the engine take a rest for 1 or 2 minutes to try it again WARNING Do not start the engine by using a auxiliary ignition fluid as it...

Страница 70: ...out after about 15 seconds to inform that preheating has been completed 4 Allow the accelerator pedal to stay at a position where it should be depressed lightly after the engine starts running 2 After...

Страница 71: ...mp does not light after the engine has started If any one of the lamps lights stop the engine to find the cause 2 After idling the engine at a lower speed for about 5 minutes to warm it up shift each...

Страница 72: ...ety devices such as a sign a barricade and a blinking light so that pass ing of other vehicles and pedestrians may not be disturbed Put a pallet against the rubber crawler when parking the crane for a...

Страница 73: ...it to move backward Shifting the levers to neutral allows the brake to be applied automatically When crawling at a slow speed it is adjusted by how far the crawling levers are shifted Normal crawling...

Страница 74: ...Making a turn Making a turn while moving Do not operate the right left traveling lever with the left right traveling lever put at its neutral position Otherwise the rubber crawler damages and the mach...

Страница 75: ...it slowly and gently WARNING Turning it on the spot An abrupt turning not only damages the rubber crawler badly but also causes the machine to bounce from which may invite a very dangerous situation...

Страница 76: ...e on a water filled area keep the water surface under the grease nipple hole for tightening the crawler located on the side of truck frame Truck frame Grease nipple hole for tightening the crawler Wat...

Страница 77: ...ning plate Fastening plate Front view Rear view 1 Be sure to allow it to take its storing position by reading storing instructions of crane hook and outriggers illustrated on pages 11 22 11 28 careful...

Страница 78: ...MEMO...

Страница 79: ...RATE CRANE Designation of each control lever and its location URW505C4U Slewing C C W Slewing C W Boom Extending Boom Retracting Hook Lowering Hook Hoisting Boom Lowering Boom Raising Outrigger Outrig...

Страница 80: ...06C4U URW547C4U Slewing C C W Slewing C W Boom Extending Boom Retracting Hook Lowering Hook Hoisting Boom Lowering Boom Raising Outrigger vertical horizontal selector switch Outrigger Outrigger contro...

Страница 81: ...amaged Do not let anyone stand under or in front of the hook as it swings when it is released from the hook holder Failure to do this may invite an accident WARNING CAUTION 1 Make sure that each lever...

Страница 82: ...p Remarks Since power to the control box is to be controlled by the engine key it is energized automati cally when starting the engine and indication on the mode indicator lamp in the con trol box lig...

Страница 83: ...cator lamp on page 18 1 for detail If the mode indicator lamp fails to make a full lighting or voice mes sage Beep Service remote control Service remote control sounds despite the fact that the crane...

Страница 84: ...It may invite such accident as that the foot may be crushed by the outrigger Operation with the crane kept leaning makes it unstable when a cargo is lifted up Such operation can cause the outriggers...

Страница 85: ...to desired function and operate the outrigger lever accordingly Set up the outriggers as follows 1 Turn ON the voice switch 2 Extract the set pins for outriggers to turn the outriggers to their specif...

Страница 86: ...igger operation switch con cerned and pull the outrigger operation to extend and retract the outrigger while moni toring a level so that the crane body can keep level with the crawler raised by approx...

Страница 87: ...being stored and set up on the ground Insufficient insertion of the set pins allows a set pin to come off which in turn may make the crawler to lose balance causing the crane to be overturned WARNING...

Страница 88: ...rol switch to throw it to desired function and operate the outrigger lever accordingly Set up the outriggers as follows 1 Turn ON the voice switch 2 Extract the set pins for outriggers to turn the out...

Страница 89: ...4 places to EXTEND and pull outrig ger operation lever toward you to extend the inner box 6 Turn the outrigger vertical horizontal selector switch to VERTICAL The voice message Change control mode is...

Страница 90: ...crane The voice message Crane mode Crane mode is heard and the yellow lamp goes off 11 Unwind the hook by controlling the hook winding up down lever to loosen it from its stored position Do not stand...

Страница 91: ...at each outrig ger extension When each of 4 four outriggers is set to different extension operate the crane 360 by applying the worst extended capacity WARNING 1 URW370 C4U 14 6ft 4565mm 4365mm 4440m...

Страница 92: ...ed to minimum 5940mm 5900mm 5720mm 19 5ft 18 7ft 19 4ft 17 0ft 15 3ft 4840mm 15 6ft 15 9ft 4750mm 5170mm 4080mm 13 4ft 13 4ft 4670mm 4080mm Outriggers extended to maximum Front Rear Mark 2nd Rear Fron...

Страница 93: ...d load chart Check the readings of load indicator to confirm the safety before the boom is lowered Boom dericking lever Boom To raise Boom To lower WARNING Shift the lever to RAISE to raise the boom S...

Страница 94: ...er to UP to raise the hook To lower Shift the lever to DOWN to lower the hook To stop Return the lever to neutral position to stop the hook being wound up down Power automatic accelerator When the con...

Страница 95: ...g into the inner layers to cause an irregular winding When the wire rope is unwound to or wound up from the first layer of rope wind it up down slowly so that the first layer of rope can be wound arou...

Страница 96: ...the voice switch WARNING To extend Shift the lever to EXTend to extend the boom Power automatic accelerator To retract Shift the lever to RETract to retract the boom To stop Return the lever to neutra...

Страница 97: ...ed due to high viscosity of oil during winter time or in low temperature environment try telescoping the boom to and from one cycle between both extremes the shortest and the longest to recover the sp...

Страница 98: ...ly with the above in mind Boom slewing lever Boom To slew C C W Boom To slew C W WARNING To slew to the right C W Shift the lever to to slew it C W To slew to the left C C W Shift the lever to to slew...

Страница 99: ...to the right means slewing in the direction in which the hands of a clock rotate C W and slew to the left means slewing in the oppo site direction of clock hands C C W when viewed from the top Before...

Страница 100: ...he sticker indicating stor ing position WARNING 4 Store the hook 2 Lower the boom to its extreme 3 Slew the boom so that the side of boom on your side comes right above the sticker indicating storing...

Страница 101: ...omes to a stand still Procedures for storing hook Never try operating the crane by controlling the hook storage lever as this is dangerous Store the hook after all boom sections have been retracted an...

Страница 102: ...storage The hook stops to be stored when the switch is released If the roller is off the guide or bent when the roller located at the upper side of the hook starts rotation with the roller hit the gu...

Страница 103: ...ted exclude URW505C4U When storing the outriggers be sure to insert the set pins so that the outriggers may not be rotated unexpectedly Outrigger operation lever Outrigger operation switch Operation m...

Страница 104: ...he Outrigger mode indicator lamp on the upper part of control panel lights 2 Turn the outrigger operation switches 4 places to STORE and pull outrigger operation lever toward you to retract the ver ti...

Страница 105: ...vertical horizontal selector switch Outrigger mode indicator lamp There are 4 outrigger operation switches and each switch is numbered Select the switch for the outrigger you want to operate and turn...

Страница 106: ...t is not turn it to VERTICAL The voice message Change control mode is issued 3 Turn the outrigger operation switches 4 places to STORE and pull outrigger operation lever toward you to retract the ver...

Страница 107: ...wer type interlocking radio control device allows the crane operation that will hardly be influenced by radio interference compared with conventional radio remote controllers of weak radio wave type I...

Страница 108: ...will not to be overturned as the operator is to control the crane at a distance Abrupt stop Swing of cargo Noise WARNING Remarks In order for the crane system not to be affected easily by noise coming...

Страница 109: ...op or hit the transmitter against something or give a strong shock as it may cause damage to the enclosure or breakdown of electronic components In addition dropping or giving a strong shock to the tr...

Страница 110: ...water inside through it 9 Do not give the transmitter an abrupt tempera ture change An abrupt temperature change may cause a fault due to building up condensation inside of the transmitter 10 Do not...

Страница 111: ...rol device Option Designation of each equipment Control box Receiver Waistband strap When hanging the transmitter on the waist Neck strap Transmitter 1 Construction of radio remote control device Show...

Страница 112: ...al Vertical exclude URW505C4U Extension Retraction of outrigger Selector switches Storing hook Boom raising lowering Crane outrigger mode Extension Retraction of outrigger Slewing C C W C W Engine Sta...

Страница 113: ...12 7 U WAVE Radio remote control device Option 4 Designation of each part of control box Mode indicator lamp Control box reset switch...

Страница 114: ...ts the system diagnosis again Remarks Since power to the control box is to be controlled by the engine starter key it is ener gized automatically when starting the engine and mode indicator lamp in th...

Страница 115: ...Service remote control is issued despite the fact that the crane has not been operated take measures according to the section 12 3 Trouble inspection on page 12 40 Mode Information Indication priority...

Страница 116: ...control mode between radio remote control modes is to be made by mode selector switch Depression of mode selector switch when operated on manual operation mode allows to switch it into the radio contr...

Страница 117: ...mode Manual Radio remote control Manual lever Boom Raising Lowering Hook Hoisting Lowering Boom Extending Retracting Slewing C C W C W Outrigger Extend Retract Radio remote control transmitter Boom R...

Страница 118: ...t it If operation of the crane such as boom Raising Lowering hook Hoisting Lowering boom Extending Retracting and slewing C C W C W is carried out while outriggers are being extended or retracted by m...

Страница 119: ...eady Remote control ready Power to the transmitter is to be turned OFF by pushing in the E stop switch or by turning OFF the key switch or if time has passed for more than 5 minutes when no crane oper...

Страница 120: ...of outrigger Hook Hoisting Lowering Shockless ON OFF Extension Retraction of outrigger 1 Throw a corresponding selector switch to the direction allowing the desired crane function 2 Pull the speed le...

Страница 121: ...as manual levers shift simultane ously WARNING Remarks Switches mounted on the remote controller are ON OFF type which can be actuated with a light touch Do not apply strong force as it may cause dama...

Страница 122: ...ith the power lamp lit in green allows the lamp to light in red changing it into on high speed mode When operating the crane with the engine running at a medium speed or at a lower speed such as in ca...

Страница 123: ...t maximum speed Medium speed mode Engine will run at medium speed range Low speed mode Engine will run at close to idling speed Since setting of speed mode is memorized even when power to radio contro...

Страница 124: ...lever is pulled to its extreme movement of each control lever varies in accordance with combination of selector switches In some cases the control lever may not be shifted to its full extent despite...

Страница 125: ...f the store hook switch voice message Ping pong Secure lifting hook Secure lifting hook may sounds which is not a fault The interlocking balance retaining function switches regardless of sounding voic...

Страница 126: ...on Pull the speed lever with the hook Up Down switch thrown to Down and the Boom Ext Ret switch put to Ext The hook lowers and the boom starts to extend To increase extending speed of boom Interlockin...

Страница 127: ...s the switch has been clicked for Down the faster the speed of winding down hook becomes as opposed to that of boom extension Repeated clicks allow the other operation not to function in the end If th...

Страница 128: ...t stop against a sharp operation it eases shock to the crane and or to the mounted vehicle and it is also effective to prevent the wire rope from jumping up and a lifted cargo from swinging when the h...

Страница 129: ...e indicated on the left to change to Switching the shock less function to be active again allows the mark indicated on the left to change to Remarks Mode indicator lamp Mode display When shock less fu...

Страница 130: ...ate speed On independent crane operation it allows the engine speed not to be increased unnec essarily while the crane is operating func tions such as lowering boom retracting boom swing C C W C W and...

Страница 131: ...swing that is dan gerous so that do not pull the lever extremely It is strictly prohibited to oper ate the crane with the storing hook as this is very danger ous Retract the boom fully and lower it t...

Страница 132: ...ep is issued The last part of voice message Beep Beep stops sounding when the operation concerned has been stopped 2 Depress the store hook switch after the hook is at a standstill Following voice mes...

Страница 133: ...ing hook operation stops when the speed lever is returned and then the store hook switch is returned Remarks The engine is still running at a low speed idling while the hook is being stored If the hoo...

Страница 134: ...switch is thrown to boom down with the mode switch depressed the outrigger mode indicator lamp located on top part of control panel lights and the mode is switched to outrig ger operation mode Indicat...

Страница 135: ...ing the selector switch thrown to the desired operation As the speed lever is pulled slowly the inner box starts to be operated gradually with the engine running at a low idling speed and pulling it f...

Страница 136: ...the speed lever To stop Return the selector switch after the speed lever has been returned slowly 5 When the selector switch is thrown to boom Up with the mode switch depressed voice message Crane mod...

Страница 137: ...ggers are being oper ated When extending retracting operation of outrigger through the radio control trans mitter has been over be sure to turn the crane outrigger operation mode selector switch to cr...

Страница 138: ...erated during system diagnosis voice mes sage Beep Service remote control Service remote con trol sounds and the crane is turned into inoperable conditions If this happened depress the reset switch in...

Страница 139: ...tching to low temperature operation mode When in winter season or when temperature is too low the engine speed may become unstable as viscosity of hydraulic oil increas es In this case switch the syst...

Страница 140: ...es slower when operated on low temperature operation mode In normal case operate the crane after warming up for a while to raise temperature of hydraulic oil Under extreme low temperature crane operat...

Страница 141: ...smitter CAUTION 1 Continuous lighting Radio control trans mitter can be used If the power lamp blinks slow as in the state of 2 above following voice message Ping pong Low transmitter battery Low tran...

Страница 142: ...ries when operating the crane through radio remote control device because rechargeable batteries tend to become inoperable sud denly In some cases service life of recharge able battery may become shor...

Страница 143: ...Turn OFF power to the crane Turn OFF the starter switch 2 Pull out the battery cover with the hook on the cover pushed in 3 Replace old batteries in the battery holder with new ones Pay attention to...

Страница 144: ...een broken or deformed The transmitting antenna is built in the stay If break or remarkable deformation is found in the stay replace or repair it as soon as pos sible because it may cause radio interf...

Страница 145: ...ter is turned OFF it indicates that the receiver is receiving radio wave from outside If it lights in red when power to the transmitter is turned OFF response time during radio con trol operation may...

Страница 146: ...nearest UNIC authorized service shop Check if 1 Crane is controlled by manual levers 2 The power lamp on the transmitter lights If it blinks or does not light replace the batter ies in the transmitte...

Страница 147: ...crane to make an abrupt movement that is very dangerous WARNING Depress the EMERGENCY stop switches on the switch panel of crane body and near head light The switch is held pushed in allowing the engi...

Страница 148: ...has been stored Procedure 1 If the crane fails to be operated either by radio remote control or by manual control operate the crane by taking procedures as follows 1 Disconnect the power connector BAT...

Страница 149: ...line filter element Replace the element inside of line filter after 1 year from the start of operation Be sure also to replace the element when the hydraulic pump is replaced and replace it after 1 y...

Страница 150: ...MEMO...

Страница 151: ...ting the crane Be sure to replace consumable items according to the replace ment criteria Failure to observe the replacement as specified may cause a break down and warranty will not be given even if...

Страница 152: ...it out after the engine and the heated parts have been cooled down Keep the crawler crane in good condition so that it will be always ready for normal operation WARNING Device Servicing item Device S...

Страница 153: ...ing in the fuel system by referring to the section Precautions before operation air bleeding pro cedures on page 10 6 Fuel filling port is located on the right side at the rear of the crane Check the...

Страница 154: ...ter draining level Draining moisture and sediment by water separator Water separator is built in the fuel filter and functions to separate moisture from the water mixed fuel to avoid trouble caused by...

Страница 155: ...oroughly after filling it up as it may cause the fire WARNING Replace engine oil and fuel filter element after 100 hours 1 month of operation then every 250 hour operation 3 months thereafter CAUTION...

Страница 156: ...f no cooling water is remained in the reser voir tank remove the radiator cap to fill it up to the neck of radiator 3 Check for cooling water quan tity Filling up In normal case do not open the radiat...

Страница 157: ...king deflection with the belt pushed with your finger approx 22 lbs 10kg at the center between the alternator pulley and the crank shaft When make an adjustment unfasten the fix ing bolt for alternato...

Страница 158: ...aporated from the battery solution is inflammable Do not bring a fire source close to the battery during a battery main tenance And be sure to disconnect the negative side of battery cord Battery elec...

Страница 159: ...mit on the gauge Park the vehicle on a level ground and put the crane at the stored position to stop the engine Since hydraulic oil temperature is too high and its volume is expanded immedi ately afte...

Страница 160: ...unted Lug Height of lug Replace the rubber crawler when the lug height becomes less than 1 8in 3mm WARNING Check the rubber crawler for wear and for tension as the wear varies according to oper ating...

Страница 161: ...is time Grease nipple Grease nipple Plug Plug WARNING 1 Inject the grease into the grease nipple from the lubrication hole on the truck frame and extend the grease cylinder 2 Move the crawler back and...

Страница 162: ...ls to go off the rubber crawler Do not operate the crane on a ground being heated to the tempera ture of more than 140 F 60 C Do not stain the rubber crawler with oils such as fuel hydraulic oil greas...

Страница 163: ...r oil temperature has gone down Wipe up spilled engine oil thoroughly after replacement to avoid an accidental fire Use of a oil filter which has been washed is strictly prohibited Drain plug is locat...

Страница 164: ...o mount the new oil filter by rotating it clockwise Tighten it further by rotating approx 2 3 turns from which the packing surface touch es the seal surface on the filter bed Take care not to be over...

Страница 165: ...nvironment shorten accordingly the time when making inspection and cleaning Check and clean the air cleaner element when the crane has been operated for 250 hours 3 months or when the lamp for warning...

Страница 166: ...ent Repeated cleaning of the air filter element is up to 5 times Do not try cleaning 6 times but replace it with new element CAUTION 3 Wipe out inside of the body with a piece of clean cloth 4 Attach...

Страница 167: ...lowing a com pressed air and set the air pressure to a level less than 0 49MPa 71 1psi 5kgf cm2 Cleaning Check CAUTION When it is soiled with dry dust Blow compressed air with a pressure of 0 29 0 49M...

Страница 168: ...eaning as to avoid an acciden tal fire Turn OFF the starter switch or disconnect the battery cable to the negative pole before making a cleaning of the fuel filter with water separator Wear safety gog...

Страница 169: ...particles and mois ture deposited on the bottom of filter case 5 Check the O ring replace it with new O ring if it is found damaged 6 Fit the cleaned element in the filter case and tighten it into the...

Страница 170: ...il to spurt out which is dangerous Do not turn your body or face toward the plug 1 Park the crane on a flat ground WARNING 2 Position 3 three plugs at the end of reduction gears of crawling motor as i...

Страница 171: ...topped Replace the filter after the oil has cooled down Do not bring a fire source close to the working site Wipe up spilled fuel thoroughly after replacement to avoid an acci dental fire Turn OFF the...

Страница 172: ...which the new element has been fitted Pay attention that the packing is not be dam aged by twisting while it is fitting 3 Wash the filter case with diesel fuel and fit the new element In addition rep...

Страница 173: ...down Remove the cap on the filling port after confirming that oil tempera ture has dropped Wipe up spilled oil thoroughly after replacement to avoid an acciden tal fire Replace hydraulic oil together...

Страница 174: ...stuck to the strainer and wash it with nonflammable wash oil Replace the strainer if it is found damaged 9 Check the O ring on the cover and replace it with new one if it is found damaged Cover the d...

Страница 175: ...hydraulic oil together with the line filter element at the same time 3 Apply oil sparingly on the packing of new oil filter O ring WARNING 1 Place a container under the bottom of line filter to receiv...

Страница 176: ...yond the Hi level limit on the gauge Hi Lo 20mm 0 78in Middle of gauge 8 Then allow each cylinder to repeat extending and retracting between both sides by 3 to 4 times 6 Fit the filling port plug then...

Страница 177: ...hich is dangerous Do not direct your body or face toward the plug 4 Unfasten the filling port plug slowly to bleed air 3 Keep the filling port plug for 20 to 30 minutes as it is because oil viscosity...

Страница 178: ...drain plug and fill a speci fied oil in the filling port 9 A proper oil quantity is to be confirmed when the oil is filled until it flows out of the oil quantity check port 10 Put the filling port pl...

Страница 179: ...or cap is removed rotate it counter clockwise gradually to release the inside pressure When replacing the cooling water refer to the list of recommended lubricant Be sure to wash inside of cooling sys...

Страница 180: ...washing will not be made because the thermostat is still closed Control the feeding water flow so that the water in the cooling sys tem is always full during washing 7 Pour water mixed with a rust pro...

Страница 181: ...k the radiator cap for damage in the packing and for fatigue in the spring which must be replaced with new one Radiator Cap Check the rubber hoses for cracks and for setting due to fatigue which must...

Страница 182: ...tal fire Clean the inside of fuel tank if the engine is hard to be started and or it gives insufficient driving power due to poor supply of fuel Drain plug WARNING 1 Place a container under the drain...

Страница 183: ...49MPa 71 1psi 5kgf cm2 If the fin is clogged with something such as dust and leaves it prevent the air from flow ing through to decrease cooling efficiency remarkably which in turn causes the engine...

Страница 184: ...crane after all the heated parts in the crane body have been cooled down otherwise it may cause a fire Shift each crawling lever at its neutral position to lock it If ambient temperature is expected t...

Страница 185: ...oved during inspection and mainte nance where they were fitted originally It is very dangerous because uncovered rotating members and heated parts may cause injury Maintenance and inspection of engine...

Страница 186: ...MEMO...

Страница 187: ...ry operating the crane Be sure to replace consumable items according to the replacement criteria Failure to observe the replacement as specified may cause a break down and warranty will not be given e...

Страница 188: ...nterlock for crane crawl operation Check that crane will not actuate on crawl ing and crawler will not travel on crawl le ver return and on crane operation Warning horn Function Piping Hydraulic hose...

Страница 189: ...n at any time Sands and fine dusts may cause an abnormal wear Do not wash the crane by splashing highly pressurized water to prevent it from entering into the electric system which may cause malfuncti...

Страница 190: ...as decreased by more than 7 of the nominal diameter For example if wire rope with a nominal diameter of 5 16in 8mm is used replace it when the diameter becomes 0 29in 7 5mm Refer to the section 17 MAJ...

Страница 191: ...inding alarm detector 1 Refer to the figure in the left for how to hook the wire ropes for winding up and for where the weight for overwinding alarm is to be mounted Boom top Front of boom Guide Highe...

Страница 192: ...wire socket be sure to pass it as indi cated by the arrow mark on the socket If it is passed from the opposite direction service life of wire rope shortens as the wire rope is kept bent all the time...

Страница 193: ...of wire ropes being hooked However remember that the wire socket may be turned up to 4 turns at a time 6 Wind up the hook and retract the boom to be on a stored condition 5 Check how many turns the wi...

Страница 194: ...ent of gaskets and or seals Replacement of expendable parts 2 Replacement of sliding plate of boom Replace it every 3 years Sliding plate 3 Replacement of brake shoe of hoisting winch Replace it every...

Страница 195: ...ne and store the boom and the outriggers before carrying out filling replacing lubricant and or fuel A fire source such as smoking cigarette in mouth is strictly prohib ited Do not rush to start suppl...

Страница 196: ...ng and the cooling system from rusting Use an antifreezing solution if atmospheric temperature goes below the freezing point Use Long Life Coolant LLC as the antifreezing solution The Long Life Coolan...

Страница 197: ...ER SUPPLY AND LUBRICATION TO CARRIER 5 Hydraulic oil is the same as the oil used in the crane 6 Use the gear oils for the reduction gears of crawling motor as below Use the gear oils SAE 90 GL4 or equ...

Страница 198: ...e 0 9gal 3 4 liters 1 Engine oil Initial 30 hours Whenever neces sary Tension adjustment of rubber crawler 2 Chassis grease Grease pump Replace antifreezing solution LLC every 2 years Radiator 0 6gal...

Страница 199: ...lacing filter while oil temperature is high allow the hydraulic and or gear oils to spout out and a scald may result CAUTION In order to ensure smooth oper ation of each part of the crane minimum wear...

Страница 200: ...rication Petroleum Maker Brand EXXON MOBIL Mobilgrease CM P CHEVRON Moly greases EP 2 Texaco Molytex EP 2 SHELL Retinax grease EPX 2 Retinax grease AM a Chassis grease Use NLGI No 2 grade for most tem...

Страница 201: ...se Molybdenum grease Chassis grease Chassis grease Chassis grease Hydraulic oil up to mid dle of level gauge Manual appli cation Manual appli cation Manual appli cation Grease pump Grease pump Grease...

Страница 202: ...replace gear oil 6 months after the start of operation Winch reduction gears and Slewing reduction gears 1 Replacement of gear oil Draining oil Drain plug Filling oil Oil level gauge Gear oil filling...

Страница 203: ...cause it to make unusu al noise Grease in the nipples while slewing the boom once a month for moderate operation and once a week for heavy duty operation 2 Lubrication to slewing bear ings 3 Lubricati...

Страница 204: ...MEMO...

Страница 205: ...continuous Hoisting rope Construction IWRC6 WS 26 GRADE B Breaking load 42 4kN 9530 lbf 4320kgf Diameter length 5 16in 8mm 241ft 73 5m Outrigger Horizontal Direct pushing by double acting hydraulic c...

Страница 206: ...nical brake Slewing Hydraulic motor Axial plunger type Reduction gears Worm gear Spur gear reduction Supported by ball bearings Brake Worm self lock Hydraulic pump Variable delivery piston pump Hookin...

Страница 207: ...0 36kgf cm2 Crawling speed Forward Backward 0 1 8mph 0 3km h Hill climbing ability 23 Engine Rated output 20 4hp 15 2kW 2500rpm 20 7PS 2500rpm Model 3TNV80F SNFK Yanmar Co Ltd Displacement 77 2cu in...

Страница 208: ...570 590 650 710 820 920 1100 1480 1670 1670 1480 650 910 1500 1940 2060 2330 3150 1670 WORKING RADIUS ft BOOM SECTION 1 2 1 BOOM SECTION 8 5 10 0 11 0 13 0 15 0 16 0 18 0 20 0 23 0 1 2 3 BOOM SECTION...

Страница 209: ...nd mark is visible Outriggers extended to halfway means that the inner box is extended to a position where the 1st mark is visible Outriggers extended to minimum means that the inner box is extended t...

Страница 210: ...1 2 or 2 Boom 2 only is extended Boom 1 2 3 4 or 4 Boom 4 is extended to the mark Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom 1 2 3 or 3 Boom sections 2 and 3 are extended to their extremes...

Страница 211: ...0 continuous Hoisting rope Construction IWRC6 WS 26 GRADE B Breaking load 42 4kN 9530 lbf 4320kgf Diameter length 5 16in 8mm 254ft 77 5m Outrigger Horizontal Direct pushing by double acting hydraulic...

Страница 212: ...hanical brake Slewing Hydraulic motor Axial plunger type Reduction gears Worm gear Spur gear reduction Supported by ball bearings Brake Worm self lock Hydraulic pump Variable delivery piston pump Hook...

Страница 213: ...0 37kgf cm2 Crawling speed Forward Backward 0 1 8mph 0 3km h Hill climbing ability 23 Engine Rated output 20 4hp 15 2kW 2500rpm 20 7PS 2500rpm Model 3TNV80F SNFK Yanmar Co Ltd Displacement 77 2cu in...

Страница 214: ...OOM SECTION 1 2 1 BOOM SECTION 25 8 8 5 10 0 11 0 13 0 15 0 16 0 18 0 20 0 23 0 1 2 3 BOOM SECTION 33 0 15 0 16 0 20 0 23 0 26 0 30 0 13 0 1 2 3 4 WORKING RADIUS ft WORKING RADIUS ft MAXIMUM HALFWAY M...

Страница 215: ...us ft 15 0 16 0 20 0 23 0 26 0 30 0 33 0 36 0 40 5 Rated laod lbs Outriggers extended to maximum 1630 1480 1100 920 820 710 650 590 570 Outriggers extended to halfway 1630 1480 1070 920 780 650 550 44...

Страница 216: ...r box is extended to the position where the 2nd mark is invisible When each of 4 four outriggers is set to different extension operate the crane by using the worst extended capacity When each section...

Страница 217: ...Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom 1 2 or 2 Boom 2 is extended Boom 1 2 3 4 or 4 Boom is extended to where 2nd mark on the side plate of Boom 3 is visible Boom 1 2 3 4 5 or 5...

Страница 218: ...of boom 0 80 10sec Slewing speed 2 5rpm Slewing range 360 continuous Hoisting rope Construction IWRC6 WS 26 GRADE B Breaking load 42 4kN 9530 lbf 4320kgf Diameter length 5 16in 8mm 241ft 73 5m Outrig...

Страница 219: ...anical brake Slewing Hydraulic motor Axial plunger type Reduction gears Worm gear Spur gear reduction Supported by ball bearings Brake Worm self lock Hydraulic pump Variable delivery piston pump Hooki...

Страница 220: ...a 0 43kgf cm2 Crawling speed Forward Backward 0 1 8mph 0 3km h Hill climbing ability 23 Engine Rated output 20 4hp 15 2kW 2500rpm 20 7PS 2500rpm Model 3TNV80F SNFK Yanmar Co Ltd Displacement 77 2cu in...

Страница 221: ...0 16 0 RATED LOAD lbs WORKING RADIUS ft 15 0 16 0 18 0 20 0 23 0 26 0 29 0 33 0 35 3 13 0 12 0 RATED LOAD lbs WORKING RADIUS ft 16 4 18 0 20 0 23 0 26 0 30 0 33 0 36 0 40 0 43 2 11 1 6680 1200 1350 1...

Страница 222: ...visible rated load rating to determine how much payload you can left The rated load is performance when the crane is placed level and is based on an actual working radius including boom deflection un...

Страница 223: ...1 2 or 2 Boom 2 only is extended Boom 1 2 3 4 or 4 Boom 4 is extended to the mark Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom Boom 1 2 3 or 3 Boom sections 2 and 3 are extended to their extreme...

Страница 224: ...360 continuous Hoisting rope Construction IWRC6 WS 26 GRADE B Breaking load 42 4kN 9524 lbf 4320kgf Diameter length 5 16in 8mm 316ft 96 5m Outrigger Horizontal Direct pushing by double acting hydraul...

Страница 225: ...hanical brake Slewing Hydraulic motor Axial plunger type Reduction gears Worm gear Spur gear reduction Supported by ball bearings Brake Worm self lock Hydraulic pump Variable delivery piston pump Hook...

Страница 226: ...a 0 48kgf cm2 Crawling speed Forward Backward 0 1 8mph 0 3km h Hill climbing ability 23 Engine Rated output 20 4hp 15 2kW 2500rpm 20 7PS 2500rpm Model 3TNV80F SNFK Yanmar Co Ltd Displacement 77 2cu in...

Страница 227: ...1200 2270 2270 2270 LOAD TO EXTENDED OUTRIGGERS 1160 1160 1160 640 640 640 510 450 390 390 5410 5410 26 0 29 0 22 0 19 0 16 0 14 0 13 1 WORKING RADIUS ft WORKING RADIUS ft 10 0 12 1 13 0 16 0 18 0 21...

Страница 228: ...each section of boom is extended regardless of an extent operate the crane by applying the rated load capacity data under the boom section next to the section being extended Boom 1 2 3 4 means that th...

Страница 229: ...ections are extended to a position where 1st mark on the boom section 4 is visible Boom Boom Boom Boom Boom Boom Boom 1 2 3 4 5 or 5 Boom sections are extended to a position where 2rd mark on the boom...

Страница 230: ...rt line hooking Extending speed of boom 46ft 14 03m 35sec Raising speed of boom 0 80 18sec Slewing speed 2 5rpm Slewing range 360 continuous Hoisting rope Construction IWRC L6 P WS 26 Breaking load 47...

Страница 231: ...anical brake Slewing Hydraulic motor Axial plunger type Reduction gears Worm gear Spur gear reduction Supported by ball bearings Brake Worm self lock Hydraulic pump Variable delivery piston pump Hooki...

Страница 232: ...awling speed Forward Backward 0 1 8mph 0 3km h Hill climbing ability 23 Engine Rated output20 4hp 15 2kW 2500rpm 20 7PS 2500rpm Model 3TNV80F SNFK Yanmar Co Ltd Displacement 77 2cu in 1 266cm2 Fuel Ty...

Страница 233: ...160 4610 4350 3960 4080 3710 3020 3830 3400 2660 1760 2340 3080 2790 2000 1470 24 6 11 0 13 0 16 0 19 0 23 0 26 0 29 0 32 0 34 4 6720 6720 6720 5760 5760 5760 4610 4350 3910 3880 3350 2810 13 0 14 0 1...

Страница 234: ...29 0 32 0 36 0 39 0 42 0 44 1 Rated laod lbs Outriggers extended to maximum 2220 2220 2220 2220 2220 2220 2120 1930 1570 1240 1040 940 Outriggers extended to halfway 2220 2220 2220 2220 2220 2000 170...

Страница 235: ...the worst extended capacity When each of boom sections being extended is exceeded even slightly operate it by application of the capacity for the next boom section 15 5ft Boom means that the boom is e...

Страница 236: ...4 9 ft Boom 16 25 35 34 9ft Boom 34 9ft Boom means that the boom is extended to a position where the 1st mark on the 4th boom section is visible 15 5 ft Boom 16 15 5ft Boom 15 5ft Boom means that the...

Страница 237: ...on where the 2nd mark on the 4th boom section is visible 54 0 ft Boom 16 25 54 45 35 54 0ft Boom 54 0ft Boom means that the boom is extended to a position where the 3rd mark on the 4th boom section is...

Страница 238: ...ntrol Power supply Battery on mounting vehicle DC 12V Transmitter a size AAA battery 4 pieces Power consumption Crane When operating single function at maximum speed approx 50W 120W max including cont...

Страница 239: ...raveling mode No operation other than traveling is possible either by manual control or by radio remote control 1 Current control is on normal crane operation mode Operation is possible either by manu...

Страница 240: ...em Automatic stop of the boom strong 2 SLI system alarm is actuated Crane operating speed is slowly 3 Remarks Since priority is assigned for each mode description it is to be indicated in the order of...

Страница 241: ...possible either by radio control or by man ual control No operation is possible either by radio control or by man ual control Turn OFF power once then turn it ON again Radio control operation cannot...

Страница 242: ...ntrol levers make a smooth move ment and that any of levers will not interfere with any thing If indication fails to return to be normal ask an authorized UNIC service shop for repair Engine speed con...

Страница 243: ...neous operation once and carry out either one of operation Low temperature operation mode is being switched during crane operation In order to avoid a risk low temperature op eration mode cannot be sw...

Страница 244: ...e remote control device is pressed Release the emergency stop switch when oper ating crane Operating one of BOOM LOWERING WINDING UP BOOM EXTENDING or SLEWING while the boom is at stowed posi tion and...

Страница 245: ...ans mitter is actuated Speed lever of radio control transmitter is faulty Repair radio control transmitter at a UNIC authorized service shop Crane works arbitrarily even when no controls have been mad...

Страница 246: ......

Страница 247: ......

Страница 248: ...HEAD OFFICE Nihonbashi nishikawa Bldg 5 3 Nihonbashi 1 chome Chuo ku Tokyo 103 0027 Japan...

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Furukawa Unic URW370C4U Series, Руководство по эксплуатации и техническому обслуживанию

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