Yuchai YC310LC-8 Operation Manual Download Page 8 | Manualshive

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Machine Operating Information (the operating information of the machine can
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Machine File

Please fill the table below with serial number of your machine and its engine and other data. When you
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Please record these numbers, and keep them well with the product certification. In case that your
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Machine Model

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Machine serial number

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Engine serial number

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Information of the dealer

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Operation time

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Summary of Contents for YC310LC-8

Page 1: ...Operation Manual This manual comes to you with the Hydraulic excavator Please preserved carefully YC310LC 8 YC360LC 8 H y d r a u l i c Excavator...

Page 2: ...ine in the manual Understand and be familiar with all of the safety signs on the machine Keep unnecessary personnel to leave the workplace Before the formal operation in the workplace you should have...

Page 3: ...draulic System 39 Overview of Operating Equipment 2 Monitor 3 Main Screen and Basic Operations 4 Left Dashboard 9 Command Control Panel cab left 11 Safety Locking Parts 12 Manipulation of the Working...

Page 4: ...Replacement 6 Oil Selection Table 7 Tightening Torque 8 Regular Inspection and Maintenance Table 11 Regular Inspection and Maintenance Table continued 13 Routine Examination 15 Engine Fuel System 16 E...

Page 5: ...1 Foreword 1 1...

Page 6: ...our company and use the genuine accessories and spare parts provided by our company If non genuine accessories and parts have been used then perhaps there is no significant impact on the machine but...

Page 7: ...n When you need know the basic information of the machine you can view the location in the picture Whole Machine Information the whole machine nameplate is on the left front side of the platform Engin...

Page 8: ...ine and other data When you need to buy machine parts or want to obtain the information you can tell Yuchai these codes Please record these numbers and keep them well with the product certification In...

Page 9: ...Direction of the Machine The directions of front back left right up and down in the manual refer to the directions as shown in the following diagram Front Left 1 5 Up Down Right Rear...

Page 10: ...1 6...

Page 11: ...Composition of the Machine 1 hydraulic oil tank 2 fuel tank 3 Boom Cylinder 4 Boom 5 Stick Cylinder 6 Stick 7 Bucket oil cylinder 8 Bucket 9 Guide wheel 10 Track 11 Driving wheel 1 7...

Page 12: ...43 1 63 Engine Name Cummins 6C8 3 Cummins 6C8 3 Engine power KW rpm 186 2200 186 2200 A Length mm 10795 11250 B Height mm 3360 3160 C Overall Width mm 3260 3260 D Track width mm 600 600 E Platform Rot...

Page 13: ...1 9...

Page 14: ...gging height Mm 10190 10320 B Maximum dumping height Mm 7165 7255 C Maximum digging depth Mm 7410 7366 D Maximum digging radius Mm 10620 11095 D1 Maximum digging distance of ground level Mm 10420 1090...

Page 15: ...m 1463 1605 Weight kg Bucket teeth 5 5 Bucket type 895 896 Bucket Capacity m3 1 43 1 63 Standard boom Standard Stick Normal assembly E E Code A B C D E X The weight scope of the work object 1200kg m 2...

Page 16: ...vailable 8 Hydraulic system Inverted flux control hydraulic system Main valve imported multi pass valve Maximum flow of the system 2 x 260 30 YC310LC 8 2 x 280 30 YC360LC 8 Pressure 32 5 Return Line O...

Page 17: ...2 Safety Regulations 2 1...

Page 18: ...tor should be operated and maintained by the person who has been trained and qualified Before starting work you should check the various functions of the machine If there is something wrong you should...

Page 19: ...lows In this manual the warning signs refer to important information about safety When you see this sign you should carefully read the information and advice of the signs to avoid possible injury or d...

Page 20: ...the use when needed 5 Before the operation and maintenance you must check if all the protective equipment is functioning properly Both the escape hammer and fire extinguisher are installed on the rea...

Page 21: ...signs are damaged lost or cannot be seen clear you need to change them If the signs are on the parts which need to be placed you must ensure the new parts have these signs too Please contact the Yuch...

Page 22: ...2 Location of the safety signs The signs shown in the graphics are only the safety signs of all the signs and other function signs are described in the following chapters 2 6...

Page 23: ...fter opening the window of the cab The windows that are not locked tightly will shut back suddenly due to some external force or vibrations of the machine which may bring personal injury 4 Please keep...

Page 24: ...ontent in your mind to prepare for contingencies 8 Combined hoist mark 9 Oiling sign 12 Sign of filling hydraulic oil 11 Sign of slewing center 10 When adjusting the tension of the track pay attention...

Page 25: ...gn 13 Do not open container lid of engine coolant at high temperature There is high pressure in high temperature coolant Open at this time hot oil will squirt out bringing personal injury Remove the l...

Page 26: ...se personal injuries Do not touch directly Repair these components after stopping the machine and wait until the temperature is cooled down to a suitable temperature 20 Throttle sign 22 Noise sign the...

Page 27: ...spring pressure device and keep them away from open fire and heat These components contain high pressure gas improper handling of which can cause injury Please let experienced people to handle them 2...

Page 28: ...31 Toolbox sign 30 Sign of escaping direction 2 12...

Page 29: ...operations must have adequate ventilation 13 Know the precise distance between the cable telephone and the machine the machine and the ground If possible it s better to cut off the power If you canno...

Page 30: ...4 If the oil and fuel leaks Warning Before operating the machine you must wear seatbelts and honk After confirming there is nobody around the workplace you can start your work 1 You must honk for a w...

Page 31: ...honk to warn the people in the work area 3 Before walking operation please turn the upper part to the right position if the working device is at the same direction of the march sign then push the walk...

Page 32: ...rules when walking 1 When walking on the flat road you must lower the boom to maintain the best position of the gravity with a 40 50cm distance between the floor of the bucket and the ground 2 When w...

Page 33: ...y dangerous for excavators to walk or work on the slopes You must be careful enough 1 It is recommended not to go downhill or uphill on the longer slop whose angle is more than 20 2 When the machine i...

Page 34: ...irst go downhill to a flat place to change the position of the machine 6 When working on the slope it must start in the higher place and gradually dig in the downhill direction with the blade in the b...

Page 35: ...2 19...

Page 36: ...10 Do not walk or work on the slope whose longitudinal gradient is more than 25 11 Do not walk or work on the slope whose horizontal gradient is more than 15 2 20...

Page 37: ...n warmed up correctly otherwise the accident may happen 15 When on the slope the two tracks are in the direction between which and the slope the angle is 90 rotation is very dangerous and should be av...

Page 38: ...unction Warning The improper use of the excavator may lead to slipping and overturn Keeping this section in mind will play a key role in ensuring your personal safety 1 Before working the people witho...

Page 39: ...in the reverse operation such as trenching etc you should observe if the shift line is flat and if there are any obstacles The shift should be in the safe conditions otherwise the machine may be cause...

Page 40: ...when operating the hydraulic cylinder a small margin should be kept all the time 8 When digging the moving boom bottom and the soft arm of the bucket cylinder should be avoided to touch the ground 9 W...

Page 41: ...12 Do not dig towards the machine body 2 25...

Page 42: ...13 If the tracks are nor on the ground do not dig otherwise the structure of the machine may be damaged 14 Do not increase the machine s digging force by its own weight 2 26...

Page 43: ...r a hammer which make the rear of the machine withstand excessive force It is very dangerous and will cause damage to the machine 16 Do not build the flat road with the bucket too much otherwise the m...

Page 44: ...of the machine to dig otherwise the machine will be damaged 18 Do not use a rotary force to compact the soil destruct the mound or damage the wall When rotating do not let the bucket teeth into the so...

Page 45: ...19 Do not use the walking force to dig with the bucket inserted into the soil which will make the rear of the machine bear too heavy force 2 29...

Page 46: ...the collapse of the vacant part which will hit the machine 21 If the machine is working where there is danger of the objects falling or the splashing the equipment of preventing the falling of the obj...

Page 47: ...23 Do not use the excavator to drag other devices or objects 2 31...

Page 48: ...ne is digging to below the machine body 11 When walking on the frozen ground Warnings 1 when you have to turn on the slope it is only sweeping turn When the machine is to turn right the boom stick sho...

Page 49: ...12 If there is engine oil or lubricant oil on the two tracks then the machine is prone to slipping 6 Shut down the machine Please refer to the section of parking machines in this Chapter 2 33...

Page 50: ...nters directly from wharf two access boards with enough strength are used for transport vehicles Tilt angle of access board should be less than 15 The length of slope is 3 5 times larger than the heig...

Page 51: ...firmly Do not work under the support of a single jack After the machine is starting do not lubricate or repair and do not make the hands and feet as well as clothing touch the power rotating parts If...

Page 52: ...ttery away from the fire source and avoid the high temperature otherwise an explosion may be caused If the cab of the excavator is sealed the tightness of the middle partition should be checked to pre...

Page 53: ...t positive pole and negative pole of the battery in the correct order Firmly fix the battery terminals When charging the battery it will produce flammable hydrogen gas Thus before charging we should r...

Page 54: ...Note When you are repair the electrical systems or carrying out the welding operation you should remove the negative terminal of the battery to prevent the flow of current 2 38...

Page 55: ...lease of oil the oil should be cool enough that you can touch the oil cap or plug to prevent burns caused by the spraying oil or the contact with hot parts Even if the oil has cooled before removing t...

Page 56: ...2 40...

Page 57: ...stick cylinder put the bucket and blade on the ground and then shut down the engine 2 Within 15seconds after turning off the engine turn the starter switch to the ON position and operate the shift le...

Page 58: ...he safety locking control rod to a free position and then control the pilot valve handle and accessories control pedal if fitted in all the directions to release the pressure in the control pipelines...

Page 59: ...3 Components Description 3 1...

Page 60: ...of Operating Equipment 1 Monitor 2 Right pilot valve handle 3 Command control panel 4 Radio 5 Seat 6 A C 7 Left pilot valve handle 8 Safety handle 9 Left walking control rod 10 Right walking control...

Page 61: ...Monitor 3 3...

Page 62: ...Main Screen and Basic Operations Screen layout Working time meter and clock Machine status display 3 4...

Page 63: ...s mode L S and H Mode Gear Voltage Rotation speed Throttle gears 1 10 Current voltage of the system the unit is volt Current engine rotation speed the unit is rpm Engine cooling liquid temperature met...

Page 64: ...about low battery voltage and low oil pressure when the engine is started normally the above two alarms will disappear 3 6 Mode Autom atic Gear Voltage Rotation speed Fuel level meter when the fuel l...

Page 65: ...Mode H high drilling force mode The operator can select the suitable work mode or gear according to the actual work condition and experience Force increase mode under automatic Mode S and H or when t...

Page 66: ...omatically If fuel is to be filled to full then press the Inching fuel filling pump start stop button to start the inching fuel filling 3 Stop of fuel filling under the working status of the fuel fill...

Page 67: ...urned clockwise to the starting position the engine s starter motor starts to work c Warming up position when the key is turned to the warming up position the engine starts to preheat at this moment t...

Page 68: ...reset 2 Throttle knob 3 Igniter 3 10...

Page 69: ...part to turn it off 3 Cab rear lamp switch OPT Press the marked part of the button to turn on the lamp and pres the other part to turn it off 4 Warning lamp switch OPT Press the marked part of the but...

Page 70: ...ement of the work platform or device resulting in an accident Pilot lock When the safety locking handle is pulled up to the top the pilot system control doesn t supply oil the machine s working device...

Page 71: ...led it is retracted Platform rotation when deflecting to right the platform turns to right and when deflects to left the platform turns to left B Right pilot handle operation Boom control when pushed...

Page 72: ...to control the walking of the track on both sides of the machine The unilateral control of control rod enables the machine s unilateral move 2 Speed control 1 Walking speed can be switched through th...

Page 73: ...o reduce it Before the engine is stopped the throttle knob should be on the MIN position before parking the machine B Throttle lever Pulling backward the engine throttle lever can increase the throttl...

Page 74: ...ion then release the handle The adjusting range is 160mm Seat rigidity adjustment turn the rigidity adjusting knob to the comfortable rigidity The adjusting range is 40kg 130kg Armrest position adjust...

Page 75: ...machine cab or the machine may be down to your body causing damage Warning Before using the seat belt please check if the belt seat is good enough If it is damaged or warn please replace it with a new...

Page 76: ...system is electric Open the screen backlight and have the fan running for 3 seconds do not accept other operations here Then restore the state before the last shutdown When turn on the power click thi...

Page 77: ...3 19...

Page 78: ...p row and the system enters the previous cooling state cooling capacity setting speed setting Press this key and the system enters the outer loop mode The screen displays Under this mode press this bu...

Page 79: ...essing this button means to decrease the wind speed and the screen shows a corresponding decrease of grid of Each time you press the button a grid is reduced and the wind speed decreases by 1 file 3 2...

Page 80: ...ion then plays it If you want to listen to the next station repeat the previous steps until you receive the satisfactory radio station 4 Manual turning When the signal is poor you can manually select...

Page 81: ...r return to the frequency display mode and 5s later it automatically return to the time display mode 8 Time adjustment In the time display mode press button 2 for a long time more than 3 seconds and t...

Page 82: ...b he should lock the door 2 Rear window Rear window can be used as an emergency exit When for some reason the cab door cannot be opened and the trapped driver cannot go out of the cab normally but nee...

Page 83: ...en the flip window front window firstly you need to pull the locks on both sides of the flip window and then the flip window can slide down and up When you pull the flip window to the proper position...

Page 84: ...4 Operating Guide 4 1...

Page 85: ...oses are damaged 6 Remove the dust and dirty around the engine radiator and the battery 7 Check if the hydraulic equipment mailboxes pipes joints leak oil By the method of inspecting if there are sign...

Page 86: ...ing has short circuit or open circuit phenomenon 8 Check whether the coolant level fuel level hydraulic oil level and engine oil level are between the upper and lower limits 9 In the cold weather Chec...

Page 87: ...hould not be shorter than 30 seconds the engine systems should be checked if the engine can t be started after three attempts Warning When there is warning sign of prohibiting starting engine hanging...

Page 88: ...iliary cable start the operation should be carried out by two persons one is sitting in the seat and the other is operating the battery 2 When starting with another machine do not allow two machines c...

Page 89: ...f 2 Check if there is oil leakage lubricate oil fuel or water leakage 3 Check if the sound vibration smell and instrument of the machine are normal If there is any exceptions please handle it immediat...

Page 90: ...e handrail If there is any such substance please clean it up 5 Do not jump on or jump off the machine Do not get on or off the machine when it is running 6 Before leaving the machine the working devic...

Page 91: ...long distance the platform is unlocked But the platform must be locked on uphill and downhill 9 Before operating steering handle you should check the direction of the track frame 10 If the blade is at...

Page 92: ...ake the machine walk When the march sign is on the rear part of the machine Slowly pull back the control rods to make the machine walk Note 1 At low temperatures if the walking speed is not normal the...

Page 93: ...it is at the back then the operation of the control rod is to the opposite Change the direction of the walking with the left and right control rods Avoid the sudden change as possible as you can Espec...

Page 94: ...1 Turning when the machine is stopped 4 11...

Page 95: ...l back the right control rod and the machine will turn left When turning right please manipulate the left walking control rod in the same way Turning in situ When turning left in situ pull the left co...

Page 96: ...u operate the rotation control rod slowly the upper structure will rotate slowly Please have a good control of the speed of operating the control rod 1 Before starting slewing press the marked side of...

Page 97: ...idling But if the automatic idle mode is eliminated the above functions are not present However the automatic work mode is not suitable under such conditions as the machine is moving to the transporta...

Page 98: ...aintains in place If you operate the control pilot valve within 15 seconds after turning off the machine you can also put the working device down to the ground In addition you can operate the control...

Page 99: ...nomenon of the excavator Because when the stick is in operation the machine s own weight increases the speed of the stick move resulting in the oil starvation 4 Bucket control Manipulate the right con...

Page 100: ...erturn to the machine When walking uphill if the tracks slip or the force of the tracks is not enough to walk uphill do not use the force of the stick to help the machine walk uphill because such oper...

Page 101: ...the bucket teeth to push The angle between the boom and the stick should be 90 to 110 When only one side track fall into the mud lift the track with the bucket mat boards or logs and drive the machin...

Page 102: ...e scope may be different due to the different depth of excavation but please carry out the operation in the above range as possible as you can and do not operate the cylinder to the end of its trip No...

Page 103: ...and warn others not to approach 4 Shaking off the sand and soil in the bucket Make the stick in the state of approximate level and the bucket in the state of unloading If the sand and soil remain the...

Page 104: ...machine on a solid flat surface with the bucket on the position of just contact with the ground If the bucket heavily falls to the ground the resistance will be increased and the pin will not be remo...

Page 105: ...us personal injury or accident So before you stand up from the seat you must make the safety lock lever fixed in the locking position Parking the machine 1 Stop the machine with the left and right wal...

Page 106: ...By operating the handle of the flip window handle locks you can make the flip window slide upward and downward When the flip window is pulled to the proper position push upward the flip window to the...

Page 107: ...will have the risk of overturn If you have to please drive the machine out of the slope and correct the direction then enter the ramp again 8 Do not use the working device for the handling operation f...

Page 108: ...r near the ramp and climb slowly to the end of the slope Note When on the ramp you can only operate control rod and do not operate other sticks or pedals 6 Stop driving and overhang the stick position...

Page 109: ...inter you should do a thorough warm up operation 6 Put down the safety locking lever 7 Lift the stick and bucket and raise the bucket 8 Check and make sure that there is no obstruction within the rang...

Page 110: ...chine on the way forward 10 The excavator walk forward slowly to the top of the stab and now overhang the stick making the tracks of the machine dump onto the ramp and then move the machine slowly to...

Page 111: ...cedures apply to the machine of standard technical specifications As to the lifting appliance you should select the special lifting appliance with the lifting ability to meet the weight of the machine...

Page 112: ...ction cycle If there is water check the fuel tank 4 Cooling system Before operating the machine in cold weather before check the coolant and adjust the appropriate mix ratio Use the antifreeze applyin...

Page 113: ...mance of the coolant You can make the antifreeze of it at least 20 by the method of adding antifreeze If for the reasons of climate the coolant does not contain preservatives corrosion inhibitors shou...

Page 114: ...achine you have to check the oil of all parts of it If there is water in the oil replace all the oil Note 1 Under the condition of normal climate the method above introduced can make the excavator in...

Page 115: ...or air in the fuel system Exclude the air and clean the oil lines Fuel filter blockage dirty or defective nozzle Repair in the local service center High pressure pipeline damage Replace the high pres...

Page 116: ...4 33...

Page 117: ...scharges the white smoke Fuel of poor quality Use the correct fuel Too much engine oil Recover the recommended oil level Incorrect injection timing Adjust following the required value Water in the cyl...

Page 118: ...the agents of the company Oil shortage in the system Refuel Safety valve failure Consult the agents of the company 15 All parts cannot work Hydraulic pump damage Consult the agents of the company A P...

Page 119: ...ions due to the loose of the electrical connector Tight the plug or do the corresponding processing Belts are loose Adjust moderately if damaged then replace Loose blower fan Retighten Blower is not f...

Page 120: ...eck the relay connector eliminating the poor connection Replace the starter relay Starter does not run Poor connection of the starter wires Clean and tighten the contact points Insufficient battery ch...

Page 121: ...sensor is broken or the connection is poor check the wiring Check if the number of flywheel teeth set by instrument is correct The oil level value display of the instrument is abnormal If the instrume...

Page 122: ...eliminate the poor connection If the electric fan switch is broken replace the switch Work lights do not work If the work light is broken replace with a new one of the same size Check the connector to...

Page 123: ...5 Maintenance 5 1...

Page 124: ...ilter is blocked with the air filter sensor Clean the radiator core frequently to prevent clogging Clean and replace the fuel filter element frequently Clean the electric parts especially the start mo...

Page 125: ...e tools and parts brought to make sure that nothing falls into the machine Regular inspection and maintenance Regular inspection and maintenance according to the items listed in Regular inspection and...

Page 126: ...the temperature is very low it is easy for the oil to freeze especially below minus 15 5 Therefore you must replace with the oil matching to the ambient temperature To prevent moisture in the air cond...

Page 127: ...he O ring is damaged If it is damaged please replace immediately When removing the parts with O ring or sealed with gasket you have to clean the mounting surface and replace with new parts When instal...

Page 128: ...only affecting the play of its normal functions but also forming a potential risk to the safety However it is not easy to judge these phenomena therefore these parts must be replaced forcefully after...

Page 129: ...40 C 41 5 50 5m s Lube of the driving reducer Overload use the gear oil GL 5 Winter summer SAE80W 90 Lube of the rotating reducer Overload use the gear oil GL 5 Winter summer Lube of the guide wheel...

Page 130: ...al diameter mm 6 8 10 12 14 16 18 20 Tightening torque Nm 8 8 640 9 12 22 30 45 59 78 104 124 165 193 257 264 354 376 502 10 9 900 13 16 30 36 65 78 110 130 180 210 280 330 380 450 540 650 12 9 1080 1...

Page 131: ...Nominal torque Min max M12X1 5 6 20 15 25 M14x1 5 8 38 30 45 M16X1 5 8 10 45 38 52 M18x1 5 10 12 51 43 85 M20X1 5 12 58 50 65 M22X1 5 14 15 74 60 88 M24X1 5 16 74 60 88 M26X1 5 18 105 85 25 M30X2 20...

Page 132: ...60 42 76 G5 8 69 44 94 G3 4 115 95 135 G1 140 115 165 G1 1 4 210 140 280 G1 1 2 290 215 365 G2 400 300 500 ORFS rotating nut UNF thread Lineation specification Nm Min Max 9 16 18 4 14 16 11 16 16 6 2...

Page 133: ...water or fuel leaks Appearance of mechanical parts and hoses Bolts and hydraulic fittings fixed conditions Manipulation parts work lights and indicators conditions Working conditions of the diesel en...

Page 134: ...Checking the fastening of the cylinder cover Checking the fastening of the engine support 5 12...

Page 135: ...lacing the filter element of the hydraulic return oil line and pilot line Checking the pressure of the system 7 Battery Checking the electrolyte level Checking the acidity and charging status 8 Reduce...

Page 136: ...5 14...

Page 137: ...nnections and the attachments have been scratched broken or deformed 3 Check the fixing and connecting of the hydraulic device 4 Check the appearance of mechanical parts 5 Check the working status of...

Page 138: ...ed up after work every day The oil filler is located in front of fuel hydraulic tank A Fueling directly Open the filler cap of the fuel tank and pour the fuel into the filler B Using oil pumps After p...

Page 139: ...5 17...

Page 140: ...use of the engine by the excavator driver attention should be paid to the following phenomena that indicate bad nozzle working A Knocking sound of one or more cylinder B Overheating of engine C Reduc...

Page 141: ...an be seen 3 When close the valve turn the valve clockwise until it is tightened by hand Note When closing the valve do not have the valve too tightened 7 Replace the fuel filter element After the fir...

Page 142: ...Note To reduce the possibility of fuel leaks you should ensure that the fuel filter is installed tighten but not over tighten which will damage the fuel filter 7 After replacing the filter element st...

Page 143: ...level in the radiator and later on check it once every day or every 10 working hours Remove the radiator radiator cap and check the coolant level When the engine is at cold state liquid level of cool...

Page 144: ...5 22...

Page 145: ...pressure water and steam directly hit the body or when using them to blow off the dust or dirt there is risk of serious injury so please remember to wear goggles dust masks and other protective masks...

Page 146: ...the disposal of it should be in accordance with the local environmental regulations Warning Antifreeze must be used under any climate Do not just use water as coolant Otherwise it will be damaged bec...

Page 147: ...tion on it The oil should be at between the two marks the lwest L and highest H 3 If necessary you can refuel from the filler to make the oil level reach the specified value Upper limit Lower limit Wa...

Page 148: ...Avoid inhalation of oil vapors swallowing the oil and prolonged exposure to the used motor oil 5 26...

Page 149: ...this clean or replace it every 250 working hours Oil filter replacement 1 Clean the area around the filter remove the oil filter and clean the surface of the gasket seat on the filter seat 2 Lubricate...

Page 150: ...lacement cycle every 500working hours Checking of air intake pipeline Check every day whether the air intake tubes are worn or damaged clip loosen or other phenomena that will cause damage of the engi...

Page 151: ...here is the risk of being entangled by the components so please pay special attention Do not drop or insert the tools or other objects into the fan or fan belt otherwise the parts will be broken or fl...

Page 152: ...removing the fuel filler flange cover in order to prevent the oil spray you need to turn the cover slowly to release the pressure inside Check the oil level in the hydraulic tank every 10 hours 1 Stop...

Page 153: ...efore the starting of the daily work 2 When removing the fuel filter flange cover in order to prevent oil spray you should rotate the cover slowly to release the pressure inside 3 When changing the oi...

Page 154: ...5 32...

Page 155: ...not to the end of its trip 2 Then operate the cylinder to the end of its trip three or four times 3 At last operate the cylinder to the end of its trip four or five times completing the air discharge...

Page 156: ...ration Please wait at least five minutes to clear the bubbles in the hydraulic oil tank 3 There should be no leakage during the inspection Wipe the oil spills 4 After completing the exhaust operation...

Page 157: ...new machine has worked for 250 hours do the first replacement Afterwards replace the part every 500 hours The return oil filter is inside the hydraulic oil tank therefore 1 Disassemble the oil returni...

Page 158: ...5 36...

Page 159: ...ecessary you need to add the fuel Please pay attention to that the oil level cannot exceed the required maximum oil level limits The replacement cycle of the hydraulic oil and filter element when the...

Page 160: ...ry voltage reaches 14 4V 2 2 2 Charge the battery with the constant voltage of 16Vfor 24 hours Maximum current does not exceed 25A 3 Battery Installation 1 Before the installation of the battery pleas...

Page 161: ...ttery should be promptly charged and when the indicator shows white the battery should be replaced immediately 2 Promptly charge the battery of power loss due to the various reasons in use to prevent...

Page 162: ...oil are still in the high temperature which will cause serious burns So before the operation you must wait until the oil has cooled down Loosen the exhaust plug two to three buttons to release the air...

Page 163: ...lat ground 3 Turn the walking speed reducer to let the 3 screws on its external end vertical to the ground then stop the machine Note Do not be burned by the hot oil 4 Open screw When the reducer s oi...

Page 164: ...ducer connecting bolts Check it for the first time after the first 50 hours of the new machine and after this check it every 500 hours B Checking the fastening of the rotating reducer connecting bolts...

Page 165: ...need to connect the Grease Gun connector with the connector Figure 2 Then refuel with the grease gun till the branch volume f of the track is controlled within 2 4cm of deflection Figure 1 4 In order...

Page 166: ...Warning Do not beat track tension springs which will explosively fracture due to the enormous pressure resulting in personal injury Do not remove the spring under the tension state 5 44...

Page 167: ...and coat the thread joints with the thread locking agent and then tighten the bolt in accordance with the specified torque If the bolt must be replaced the new bolt must be of the same size and the sa...

Page 168: ...boom pin shaft 2 Lubrication point of slewing support s speed reducer 9 Hinge connecting point of rocking rod and bucket rod 16 Lubrication point on the tail of the boom oil cylinder 3 Hinge connectin...

Page 169: ...not very hot environment the use of outside air circulation low speed blower running dirty and clogging air filter return air blockage etc if you use the strong cooling for a long time you will somet...

Page 170: ...e idling at high speed operate the air conditioning in the state of strong cooling check and determine the amount of refrigerant according to the bubbles on the sight glass of the drying bottle 3 Chec...

Page 171: ...2 Air conditioning belt Tension and wear 3 Pipelines Wear or cracking 4 Connector Wear of leakage 5 Electric fan If run properly 6 Harness Wear tear and scorch 7 Condenser Dirt clogging on the surface...

Page 172: ...e equipment to prevent items flying out of the lock pin 1 Place the bottom of the bucket on the pad to remove the pin Check if the working device is in the locked state and place the bucket horizontal...

Page 173: ...herefore before removing the floor pad you must stop the machine on the flat and solid ground Before the operator stands up he must lift the pilot safety handle and the control box above it locking th...

Page 174: ...6 Accessory Guide 6 1...

Page 175: ...during the accessory rotation to the side After the machine has been equipped with accessories you have to set out a cordon around the machine to prevent the personnel from entering When someone is n...

Page 176: ...son who operates the crane must have the operation qualification The people without qualifications are not allowed to operate the cane For the details of the removal and installation Please contact Yu...

Page 177: ...install the bucket 7 Strap the two unconnected hose ends of the hydraulic hammer with a clean plastic bag doing dust control measures Store the accessory proper 2 Installation Steps 1 Remove the bucke...

Page 178: ...eration make sure Breaker Chisel point in the direction perpendicular to the surface of the object and keep it as far as possible If not the drill may slide from the surface which will cause damage to...

Page 179: ...surface appropriately to prevent the use of the impact when there is no resistance When the target or rock has been crushed please stop the blow action of the breaking hammer immediately Blowing of co...

Page 180: ...3 Move the drill pod in the impact operation 4 Apply impact force in the level or upward 5 Swing the drill rod when it has been penetrated into the rock 6 Pecking operation 6 7...

Page 181: ...7 Operation in the water or in the muddy ground 8 Use the breaking hammer as a tool for lifting heavy objects 9 Make the bucket cylinder fully extended and the machine off the ground 6 8...

Page 182: ...ng Couplings 1 Bucket Installation 2 Bucket Removal 1 Pry with a crowbar 2 Remove the bucket 1 Pry with a crowbar 2 Place the bucket pin into the position of put down the crowbar and the bucket is ins...

Page 183: ...ously damaged parts 3 Before the operation or the in the continuous operation of 2 3 hours the lubricating oil should be used Inject lubrication oil 5 10 times for each lubricating Inject lubricating...

Page 184: ...Guangxi Yuchai Heavy Industry Co Ltd Address No 168 Bridge Road Yulin City Guangxi Province China 537005 Telephone 0775 3289567 3287255 Fax 0755 3813592 6 1 Yuchai Machinery...

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