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TABLE OF CONTENTS

8. HOW TO REFER TO WORKING

RANGE CHART AND RATED LOAD

CHART

Working range chart ……………………… 8- 1

Rated load chart …………………………… 8- 2

9. DESCRIPTION OF EACH

CONTROL DEVICE

Overwinding alarm ………………………… 9- 1

Automatic stop for overwinding …………… 9- 2

Boom angle chart ………………………… 9- 4

Warning horn ……………………………… 9- 8

Retaining mechanism for slinging wire rope

9- 8

Automatic stop for leaving minimum wire rope
(With wire rope retaining roller) …………… 9- 8

Load meter ………………………………… 9- 9

Specifications on turn over prevention device … 9-11

10. HOW TO OPERATE CARRIER

Designation of each control lever
and its location …… 10- 1

Preparation before operation ……………… 10- 2

Precautions before operation
(air-bleeding procedures) …… 10- 5

How to operate …………………………… 10- 6

How to Crawl ……………………………… 10- 9

How to fasten carrier when in transportation 10-14

11. HOW TO OPERATE CRANE

Designation of each control lever

and its location……… 11- 1

Preparation before operation ……………… 11- 2

Procedures to set up outriggers …………… 11- 3

How to operate boom for derricking
(raising and lowering) …… 11- 7

How to hoist and lower the hook …………… 11- 8

How to telescope boom …………………… 11-10

How to slew boom ………………………… 11-12

SETUP OF THIS MANUAL

URW376C4U-T series …………………… 0- 4

1. FOR SAFETY OPERATION

Request to customers ……………………… 1- 1

2. SAFETY PRECAUTIONS ON

CARRIER OPERATION

Before operation …………………………… 2- 1

During operation …………………………… 2- 2

When loading and unloading ……………… 2- 4

After operation …………………………… 2- 4

3. SAFETY PRECAUTIONS ON

CRANE OPERATION

Before operation …………………………… 3- 1

During operation …………………………… 3- 2

After operation …………………………… 3- 4

4. DESCRIPTION OF CARRIER

EQUIPMENT

……………………… 4- 1

5. DESCRIPTION OF CRANE

EQUIPMENT

……………………… 5- 1

6. NAME PLATES

Description of name plates (Stickers) ……… 6- 1

Stickers in detail …………………………… 6- 2

7. DEFINITION OF TERMS

Outrigger extension ………………………… 7- 1

How boom-sections are extended ………… 7- 3

Net rated load ……………………………… 7- 4

Rated load ………………………………… 7- 4

Lifting capacity …………………………… 7- 4

Working radius …………………………… 7- 4

Boom length ……………………………… 7- 4

Boom angle ………………………………… 7- 4

Lift above ground ………………………… 7- 4

Содержание URW376C4U -T Series

Страница 1: ...SERIES OMURW376C4U T201505A 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 MODEL...

Страница 2: ......

Страница 3: ...eration 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 our busi...

Страница 4: ...ach control lever and its location 11 1 Preparation before operation 11 2 Procedures to set up outriggers 11 3 How to operate boom for derricking raising and lowering 11 7 How to hoist and lower the h...

Страница 5: ...rage 12 34 Fitting safety covers 12 35 Maintenance and inspection of engine 12 35 13 MAINTENANCE AND INSPECTION OF CRANE Inspection before operation 13 2 Cleaning 13 3 Inspection of bolts mounting sle...

Страница 6: ...h the boom sections If there is any difference in performance the specifications are explained separately according to each boom section URW376C4U T series of crane model is to be designated according...

Страница 7: ...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 8: ...MEMO...

Страница 9: ...re 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 sur...

Страница 10: ...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 and down a slope operate the crane by standing at a higher position than the cr...

Страница 11: ...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 12: ...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 Cabl...

Страница 13: ...l inspection for sling ing implements If a defective slinging 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 fun...

Страница 14: ...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 15: ...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 16: ...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 17: ...4 1 4 DESCRIPTION OF CARRIER EQUIPMENT 17 19 8 10 6 14 7 9 5 2 1 4 3 14 18 15 17 11 12 16 13 20...

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

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

Страница 21: ...light switch Turning the switch ON allows the head light to light 25 Outrigger monitor lamp extension When turning outriggers manually from their stored positions and set pins have fully been inserted...

Страница 22: ...ion device ZERO ADJUSTMENT Selector Crawling Crane Caution Storing hook Boom storage Hydraulic oil Outrigger mode Chart of rated load Caution Battery Boom angle chart Caution High temperature Caution...

Страница 23: ...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 24: ...be possible 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...

Страница 25: ...ted 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 outriggers halfway...

Страница 26: ...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 27: ...3900 3750 2570 1410 1070 450 450 190 150 The rated load is performance when the crane is placed level and is based on an actual working radius Outriggers extended to maximum means the state that the i...

Страница 28: ...link INDICATORS colour RUN green ERR red ch A D orange 09HP81120 W095CDE If the indicator shows a light other than above refer to Operation Mainterance Manual Sticker TURNOVER PREVENTION DEVICE CAUTIO...

Страница 29: ...oil is supplied beyond the Hi level limit on correct oil quantity Therefore be sure to check the oil temperature of 20 40 quantity when the oil temperature has returned to an ambient the gauge been s...

Страница 30: ...MEMO...

Страница 31: ...cket Approx 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 grou...

Страница 32: ...Outriggers extended 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...

Страница 33: ...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 34: ...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 is the maximum of rated total load describe...

Страница 35: ...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 36: ...nded and the data are based on actual working radius by incorporating shift due to deflection of the boom under loaded The rated loads specified above are based on strength of the crane and stability...

Страница 37: ...time when the weight 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 T...

Страница 38: ...y but with some delay even if the hook hits against the weight for overwind ing alarm which is not a disorder Operate the cane after tempera ture of hydraulic oil rises to a sufficient level by carryi...

Страница 39: ...top for overwinding reset switch 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 40: ...s the working radius corre sponding to extended length of boom and its angle 1 Working radius The value to which the pointer on the scale of feet is the boom radius in each combination of boom section...

Страница 41: ...6 0 20 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 515...

Страница 42: ...fety CAUTION Since the working radius increases due to deflection of the boom when a cargo starts to be lifted up set the boom angle so that the hook comes to some what inner side When boom section 3...

Страница 43: ...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 6680 4520 2750 3150 2710 2500 2160 1870 1580 1360 480 7...

Страница 44: ...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 45: ...corresponding to A B C and D of the load indicator for 4 rope hook ing system and Scale band for single rope hooking sys tem Load meter indicates the weight of a hoisted cargo only while the hook is...

Страница 46: ...For example in the case where a cargo is hoisted using 4 rope hooking system and extended boom configuration of 1 2 3 as shown in the figures You can see that the Point i in Fig 1 is corresponding to...

Страница 47: ...ons to be stopped are wind ing up hook extending boom and lower ing boom Check the turn over prevention device for proper operation before starting the crane operation 3 Over loaded operation is stric...

Страница 48: ...ich must pay attention 5 Observe that the crane shall not be operated within the prohibited range in extending outriggers The turn over prevention device will not func tion safely when the crane is op...

Страница 49: ...paration of the crane operation to check that continuous alarm sound is heard until the outriggers are set up on the ground If the alarm fails to sound ask a UNIC authorized service shop for repair im...

Страница 50: ...el depress the ZERO RESET switch in the control box of turn over preven tion device mounted inside for 1 second When the zero point adjustment has suc cessfully been completed all the lamps for self d...

Страница 51: ...ly 6 Check also that the alarm buzzer makes a continuous sound bee ee when the two adjacent outriggers are retracted fur ther 7 In the condition that the alarm buzzer is making a continuous sound bee...

Страница 52: ...fails to be lit or if lamps of ch A through ch D are blinking even after the outriggers have been set up right ask a UNIC authorized service shop immediately for inspection and repair as the reaction...

Страница 53: ...ermittent alarm sound beep beep of advance alarm to give a warning If the alarm is heard slow down operation speed of the crane to operate it for safer side immediately 2 Threshold alarm for overturn...

Страница 54: ...left side of the crane body The lamps of ch A trough ch D indicate condition of each outrigger separately how it touches the ground and the alarm of the turn over prevention device is to be deter mine...

Страница 55: ...Lighting Reaction force detector is in trouble ERR Quick blinking ch D ch C ch B ch A Quick blinking Reaction force detector is in trouble Lighting Reaction force detector is working right Indication...

Страница 56: ...cover near the outrigger valve Operate the crane while the release switch is being pushed up If the crane is operated with the release switch pushed up the device loses the functions as the safety dev...

Страница 57: ...er the crane has been stored CAUTION Step 2 If the crane cannot be operated it will not function by taking measures in step 1 and step 2 above operate the crane by follow ing procedures below Unfasten...

Страница 58: ...r operations within the rated load in principle and not for prevention of overload Do not have too much confidence in this device If the crane inclines due to swing of load or grounding on rough terra...

Страница 59: ...ERATE CARRIER Designation of each control lever and its location Interlock for crane crawl operation Accelerator pedal Crawling speed change lever Monitor lamps Starter switch Crawling lever Left Craw...

Страница 60: ...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 sea...

Страница 61: ...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 62: ...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 63: ...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 64: ...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 65: ...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 66: ...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 67: ...ety devices such as a sign a barricade and a blinking light so that passing of other vehicles and pedestrians may not be disturbed Put a pallet against the rubber crawler when parking the crane for a...

Страница 68: ...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 69: ...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 70: ...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 71: ...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 72: ...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 14 11 18 careful...

Страница 73: ...zontal selector lever Hook To store Outrigger Extending outrigger Retracting Slewing C C W Slewing C W Boom Extending Boom Retracting Hook Lowering Hook Hoisting Boom Lowering Boom Raising Left front...

Страница 74: ...aged 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 Make sure that each lever for...

Страница 75: ...It may invite such accident as that the foot may be crushed by the out rigger Operation with the crane kept leaning makes it unstable when a cargo is lifted up Such operation can cause the outriggers...

Страница 76: ...box can be extended and retracted with the outrigger extension retraction lever Both of vertical cylinder and inner box of an outrigger can not be operated simultaneously Set up the outriggers as foll...

Страница 77: ...ed 6 Turn the operation mode switch to crane WARNING Before operating the crane it is mandatory to set up all the outriggers DANGER 7 Unwind the hook by controlling the hook winding up down lever to l...

Страница 78: ...the rated load has been set for respective extended conditions Figure below shows the cases where the outriggers are extended to maximum halfway and minimum Outriggers extended to maximum means that...

Страница 79: ...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 Sh...

Страница 80: ...e lever 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 th...

Страница 81: ...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 aroun...

Страница 82: ...erwinding alarm 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...

Страница 83: ...g speed of boom is decreased due to high viscosity of oil dur ing winter time or in low temperature environment try telescoping the boom to and from one cycle between both extremes the shortest and th...

Страница 84: ...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 85: ...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 86: ...e 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 p...

Страница 87: ...your hands Wind up the hook slowly by controlling the storing hook lever Procedures for storing hook Never try operating the crane by controlling the hook storage lever as this is dangerous Store the...

Страница 88: ...r storage The hook stops to be stored when the lever 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 89: ...ed Do not retract the inner boxes without the vertical cylinders fully retracted When storing the outriggers be sure to insert the set pins so that the outriggers may not be rotated unexpectedly WARNI...

Страница 90: ...is found contact a UNIC service shop for consultation or for inspection or ask repair as soon as possible WARNING Store the outriggers as follows 1 Turn the operation mode switch to out rigger The yel...

Страница 91: ...ake 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 engine to stop...

Страница 92: ...shop after it has been stored Procedure 1 If the crane fails to be operated by manual control operate the crane by taking proce dures as follows Disconnect the power connector CRANE POWER located und...

Страница 93: ...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 94: ...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 95: ...ding in the fuel system by referring to the section Precautions before operation air bleeding pro cedures on page 10 5 Fuel filling port is located on the right side at the rear of the crane Check the...

Страница 96: ...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 97: ...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 98: ...ter 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 radiator cap Removal...

Страница 99: ...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 100: ...aporated from the battery solution is inflammable Do not bring a fire source close to the battery during a battery mainte nance And be sure to disconnect the negative side of battery cord Battery elec...

Страница 101: ...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 102: ...ounted 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 103: ...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 104: ...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 105: ...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 106: ...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 t...

Страница 107: ...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 108: ...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 109: ...lowing a com pressed air and set the air pres sure 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 49...

Страница 110: ...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 111: ...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 112: ...l 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 il...

Страница 113: ...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 114: ...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 115: ...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 116: ...th 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 drain plug with a new sealing tape 8 C...

Страница 117: ...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 118: ...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 119: ...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 120: ...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 121: ...or cap is removed rotate it counterclock wise 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 122: ...washing will not be made because the thermostat is still closed Control the feeding water flow so that the water in the cool ing system is always full during washing 7 Pour water mixed with a rust pr...

Страница 123: ...k the radiator cap for damage in the packing and for fatigue in the spring which must be replaced with new one Check the rubber hoses for cracks and for setting due to fatigue which must be replaced I...

Страница 124: ...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 125: ...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 126: ...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 127: ...oved during inspection and maintenance 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 128: ...MEMO...

Страница 129: ...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 130: ...and on crane operation Warning horn Function Piping Hydraulic hose Oil leakage Damage Frame Mounting of crane body Cracks Tightness of bolts Missing bolt Slinging imple ments Items necessary for cran...

Страница 131: ...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 132: ...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 16 MAJ...

Страница 133: ...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 134: ...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 2...

Страница 135: ...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 136: ...f opera tion period during which crane has not been operated is included in order to operate the crane safely Ask a local UNIC authorized service shop for replacement of gaskets and or seals Replaceme...

Страница 137: ...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 138: ...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 139: ...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 140: ...ry 250 hours Engine 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 year...

Страница 141: ...acing filter while oil tem perature 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 142: ...commended greases listed below as grease for lubrication a Chassis grease Use NLGI No 2 grade for most temperatures Use NLGI No 1 grade for extremely low temperatures b Molybdenum grease Use NLGI No 2...

Страница 143: ...li cation Grease pump Grease pump Grease pump Weekly Winch drum gears Slewing gears 1 1 Chassis grease Chassis grease Grease pump Manual appli cation Monthly Winch reduction gears Approx 0 3gal 1 0 li...

Страница 144: ...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 145: ...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 146: ...MEMO...

Страница 147: ...360 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 hydraul...

Страница 148: ...l 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 Hooking ca...

Страница 149: ...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 150: ...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 MINIMUM OUTRIGGERS EXTENDED TO RATED LOAD lbs MAXIMUM HALFWA...

Страница 151: ...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 o...

Страница 152: ...ns extended Working radius 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...

Страница 153: ...oom 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 Boom is extended to w...

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Страница 156: ...HEAD OFFICE Nihonbashi nishikawa Bldg 5 3 Nihonbashi 1 chome Chuo ku Tokyo 103 0027 Japan...

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Furukawa Unic URW376C4U -T Series, Руководство по эксплуатации и техническому обслуживанию

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