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Operation & Maintenance 

 Manual 

 

 

 

 

SWE25UF 

Hydraulic Excavator 

 
 
 
 
 
 
 
 
 
 

 
 
 

 

SUNWARD INTELLIGENT EQUIPMENT CO., LTD. 

Sunward Intelligent Industrial Park, Xingsha, Changsha, China 

Summary of Contents for SWE25UF

Page 1: ...I Operation Maintenance Manual SWE25UF Hydraulic Excavator SUNWARD INTELLIGENT EQUIPMENT CO LTD Sunward Intelligent Industrial Park Xingsha Changsha China...

Page 2: ...ts procured from Sunward are to be used To use parts of poor quality will be detrimental to machine s overall performance All operation described in this instruction manual should be carried out exclu...

Page 3: ...PARK MACHINE SAFELY 5 1 17 SAFE MAINTENANCE 5 1 18 SUPPORT MACHINE CORRECTLY 6 1 19 CLEAN TRASH ON THE MACHINE 6 1 20 PREVENT BATTERY FROM EXPLODING 6 1 21 STORE PARTS SAFELY 7 1 22 PREVENT SPLASHING...

Page 4: ...26 2 15 IDENTIFIER 28 3 MACHINE OPERATION 29 3 1 MACHINE WORKING ENVIRONMENT 29 3 2 RUNNING AND OPERATION 29 3 3 OPERATE ENGINE 30 3 4 TRAVEL CONTROL 34 3 4 1 CONTROL TRAVEL WITH PEDAL 34 3 4 2 TRAVEL...

Page 5: ...R MAINTENANCE 82 5 TRANSPORTATION AND STORAGE 83 6 TROUBLE SHOOTING 86 7 SPECIFICATIONS 90 7 1 TECHNICAL PARAMETER 90 7 2 TECHNICAL INTRODUCTION 92 7 3 OPERATION PARAMETER 95 8 ATTACHMENT 98 8 1 ELECT...

Page 6: ...situation which if not avoided could result in death or serious injury 2 WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury 3 CAUTION indi...

Page 7: ...clothes Hard hat Safety gloves Safety glasses goggles or veil Respirator or filtration veil Earplug or ear cap 1 6 CHECK MACHINE BEFORE START UP Before starting machine every day or every shift check...

Page 8: ...e by ringing the horn Operation at confined area should use signal in swinging and harmonize the hand signal before machine start up Before operating the machine traveling confirm that the operation o...

Page 9: ...the position of the embedded lines such as cable gas pipe water supply pipe and operate the machine carefully to prevent accident All the non working people should be away from the working range of m...

Page 10: ...ocks to block crawler lower bucket and plug bucket teeth into ground Fix the machine well to avoid accidental movement Park the machine away from other machines at proper distance 1 16 PARK MACHINE SA...

Page 11: ...e before the machine is well supported Before maintenance lower the working device to the ground If the machine or work device have to be lifted for maintenance purpose the machine or work device shou...

Page 12: ...rts that may fly off avoid possible flying off parts to human body and face 1 24 KEEP AWAY FROM TRANSMISSION PARTS Touching transmission parts may cause GBH When work around the transmission parts in...

Page 13: ...he pressure to avoid hot oil erupting 1 28 BE CAUTIOUS OF PRESSURE LIQUIDS Effluent liquids in high pressure can penetrate through skin causing GBH Release pressure before disjoining liquids or other...

Page 14: ...some coolants are inflammable These inflammable liquids should be stored away from fire do not permit stabbing or setting storage case on fire Dispose of fuel carefully stop engine before adding fuel...

Page 15: ...aggravate firepower and may cause GBH Clean out inflammable materials Spilled fuel stored breeze and other inflammable materials may cause fire Keep the machine clean every day to prevent fire 1 35 EM...

Page 16: ...st and set the operator seat in the correct position check regularly the operator seat s adjusting and do not forget its properly maintenance Operate correctly with the machine equipment using it unif...

Page 17: ...achine s lifting capacity in operation The lifting capacity is based on the criteria of the machine being level on a firm supporting ground When the machine is operated in conditions that deviate from...

Page 18: ...ng Rubber crawler Cabin 276 With swing Rubber crawler Simple cabin unknown Note The above weight figures are measured with the following five requirements 1 Diesel oil tank is full diesel oil instrume...

Page 19: ...RIOUS MACHINE COMPONENTS 1 Cabin 2 Seat 3 Rear hood 4 Fuel tank 5 Hydraulic tank 6 Traveling motor 7 Support wheel 8 Carrier board 9 Rubber crawler 10 Guide wheel 11 Dozer blade 12 Dozer cylinder 13 B...

Page 20: ...g handle 11 Pilot safety rod 12 Assisting control pedal 13 Left traveling control rod 14 Right traveling control rod 15 Arm swing control pedal SIMPLE CABIN 1 Monitor 2 Heating defrost alternation swi...

Page 21: ...ne ON connect electric power HEAT warm up START start engine start the engine The switch will turn back to ON position when let go of the key FIG 2 4 Do not turn the switch from off to on or from on t...

Page 22: ...el button 13 High speed traveling control button 14 Working Light control button 15 Screen switch button 16 Fuel level indicator 17 Excavator monitor 18 Fuel level warning indicator 19 Cooling water t...

Page 23: ...n and this signal will light up at the same time the screen shows warming up after 15second it shows warming up finish 9 Air filter clogged indicator lamp When the air filter core is clogged red indic...

Page 24: ...means only litter fuel in tank it should check and fill fuel 19 Cooling water temperature warning indicator When the water temperature is normal there s no display the signal lights up when the temper...

Page 25: ...irflow switch warm air will blow continuously thus obtaining heating effect 2 6 2 INSTALLATION Heater unit must be firm and not loose after installation Wire harness and hot water tube circuit must be...

Page 26: ...table armrest can be adjusted between 45 to 90 degrees Operation Instruction 1 For Aft adjustment Put up the adjustment knob by your hand then pull or push knob C forward or backward to the proper pos...

Page 27: ...stays in proper position and every part is locked The seat of the machine meets the requirements of EN ISO 7096 2000 2 9 PILOT SAFETY LEVER When pull the safety lever up to lock position the whole fr...

Page 28: ...rriage extending A Right joystick This joystick can make the following operations a Lift boom b Lower boom c Load backhoe or bucket close d Unload backhoe or bucket open B Left joystick This joystick...

Page 29: ...hat the dozer is at the foreside of the operator s seat before operating the traveling control lever Reverse the control lever when the dozer is at the heel of operator s seat The traveling control le...

Page 30: ...ower the front window slowly to the bottom then lock the lock pin tightly 2 13 AIR DUCTING HOOD AND UPPER COVER Air ducting hood The engine should be equipped with air ducting hood to prevent foreign...

Page 31: ...5A 1 17 720211000010 Safety leverBX2011C 20A 1 18 720211000018 Safety leverBX2011C 30A 2 19 301020103001 Steel cable baffle ring 5 20 701702010005 Pin B10X50 GB119 5 21 703102010002 oil cup M10X1 45 J...

Page 32: ...ble solid wrench 22 24 1 14 740106000014 double offset ring spanner 8 10 1 15 740106000016 double offset ring spanner 12 14 1 16 740106000006 double offset ring spanner 16 18 1 17 740106000005 double...

Page 33: ...28 2 15 IDENTIFIER Gravity center mark Pull hook mark 750610020148 Foot pedal dropping mark...

Page 34: ...hour operation maintenance Check the torque of detectable fastener 4 After first 100 hour operation Pay special attention to the first 50 hours running until you are familiar with the sound and feeli...

Page 35: ...ment from the fuel tank 5 Hydraulic system Check leakage hose twist abrasion between pipe and hose or other parts 6 Lubrication Check the appointed lubrication points listed in the periodic maintenanc...

Page 36: ...nd and retract all hydraulic cylinders the oil level is not allowed to exceed MAX mark 2 Similarly when all hydraulic cylinders extend the oil level should be above the MIN mark 3 Choose the recommend...

Page 37: ...comes on start engine Adjust engine rev When accelerograph handle is lifted to upmost and engine runs at full load lower handle to bottommost engine runs at minimum load adjust accelerograph between...

Page 38: ...istant battery Use assistant battery 1 Connect assistant battery Stop engine which is equipped with assistant battery Connect one end of red wire with battery anode and connect the other end with assi...

Page 39: ...e from assistant battery Disjoin red anode wire from machine battery 3 4 TRAVEL CONTROL 3 4 1 CONTROL TRAVEL WITH PEDAL 1 Straight travel Treadle two pedals forward at the same time pedal 1 and 2 2 St...

Page 40: ...o attached handles to carry out hand control This method is safe and reliable and fits for loading and unloading machine to trailer 1 Straight travel Push two handles forward at the same time 2 Straig...

Page 41: ...ly 3 When working in water check the depth of the water make sure that the water s depth is not higher than the half of the track roller Never dip the rear end of the machine into water If the lubrica...

Page 42: ...e the force enduring of boom and arm the angle between boom and arm should be in the range of 90 110 6 When the machine gets into wallow or passes raceway you can use arm and boom to help the machine...

Page 43: ...machine and then restart the machine 3 5 EXCAVATION Working condition When dig lengthways with backhoe make the drive wheel backward and guide wheel forward as figure In order to guarantee safety in q...

Page 44: ...er dig the dozer blade too deep or the dozer blade or even the infrastructure may be damaged Control with left pilot handle Right figure is the obverse view of left pilot handle when operator sits on...

Page 45: ...but never operate side of bucket to work by slewing force 8 When work at swampy ground especially on rainy day the excavator must be kept at a proper distance away from working face to prevent collap...

Page 46: ...all the abnormal parts Fill all the oil tank this can refer to chapter check the oil level and clean all the paper scrapes and dirt from engine Remove any dirt from 8 Lock all the doors and boxes 9 If...

Page 47: ...te in water or mud 1 The working area should be hard enough to prevent excavator from going down 2 The water flow should be slow 3 Undercarriage immerged height should not exceed chain support wheel 4...

Page 48: ...arm and bucket generally As the figure shows place bucket and arm on a line basically Operate arm in while lifting boom slowly Once arm passes the vertical position lower boom slowly and keep the move...

Page 49: ...o remove blocks or to break up wall 4 Adjust the digging length and depth every time to ensure every digging is fully loaded The rapid circulation output of every full load of digging will be bigger t...

Page 50: ...rce Otherwise it will damage the machine Dozer blade operation mark Pay attention to the dozer blade position 1 When extend dozer blade it may collide with boom cylinder or bucket please pay attention...

Page 51: ...t will damage dozer blade or crawler system 4 When prop up machine with dozer blade the ground should be plane to ensure dozer blade touch ground stably Be careful when retract foreside working device...

Page 52: ...ressure of the breaker section supplied by P2 is 21 M Pa Attention to hydraulic breaker tubing 1 When the hydraulic breaker is out of use cover the pipe end of arm and fit a plug at the end of hydraul...

Page 53: ...nder or machine 5 If hydraulic breaker hose jumps abnormally stop operation immediately The pressure change of breaker accumulator or damaged accumulator will cause unusual hose jump and damage hydrau...

Page 54: ...of operator s right foot it is used to swing boom but the superstructure cabin engine etc won t slew when operating this pedal A Treadle lower side of pedal swing boom to right side B Treadle higher...

Page 55: ...nce and inspection procedures in this manual Check excavator before daily operation 1 Check monitor 2 Check all liquid level 3 Check leakage distortion abrasion and damage of hoses and pipes 4 Check n...

Page 56: ...the normal condition If operate excavator in bad conditions the intervals should be shorten Use recommended fuel hydraulic oil and lubricant Only use original SUNWARD parts If user doesn t use recomm...

Page 57: ...nt of hydraulic hose 1 Make sure to carry out periodic inspection of machine to guarantee safe operation If listed parts are damaged it may cause serious fire Because it is difficult to judge the agin...

Page 58: ...r hose 2 years Arm cylinder hose 2 years Bucket cylinder hose 2 years Note Make sure to replace seals such as O ring when replace hoses 4 2 MAINTENANCE GUIDE 4 2 1 ADD LUBRICANT GREASE Means that thes...

Page 59: ...ease refer to the YANMAR operation and maintenance manual Recommended engine oil Position bucket arm boom slewing gear slewing bearing etc From 20 to 40 C from 4 to 104F BP petroleum BP Energrease Ls...

Page 60: ...cosity Refer to viscosity fig below for proper engine oil of SAE during different ambient temperature Check engine oil level 1 Park the excavator on a level ground 2 Take out dipstick wipe the oil wit...

Page 61: ...s 11 Clean sealed washer surface of filter seat 12 Wipe clean oil on the seals of new filter 13 Fit new filter turn filter clockwise until the washer touch interface Ensure not to damage washer when f...

Page 62: ...Fina GL 580W 90 GREAT WALL brand of China Petrochemical 85W 90 Shanghai oil refining factory API GL 4 85W 90 Slewing reducer Check oil level every 250 hours operation 1 Park the excavator on a level g...

Page 63: ...le 4 2 4 FUEL SYSTEM Parts name Qty Interval hrs 8 50 10 0 20 0 400 1000 2000 1 Vent fuel tank sediment 1 2 Check and vent sundries in precipitator 1 3 Vent water and sediment in water segregator 1 4...

Page 64: ...and park the excavator on level ground 2 Lower the bucket to ground 3 Run engine at low revs for 5 minutes 4 Shut off engine and take out key switch 5 Pull the pilot control lever to lock position 6...

Page 65: ...ed washer 3 Replace O ring 4 Fill clean fuel into the new fuel filter and lubricate the O ring with clean oil 5 Screw down the filter by your hands but make sure not over do it 6 Exhaust the air from...

Page 66: ...oding replace replace replace replace adopt proper bending semidiameter replace Exhaust air from fuel system Exhaust air from fuel system by pushing down the joystick on fuel filter seat Please use th...

Page 67: ...l 8 50 100 200 400 800 1500 2000 2 Vent sundries of hydraulic oil tank 3 Replace hydraulic oil 30L 4 Clean oil inhaling filter 5 Replace oil inhaling filter When replacing hydraulic oil 6 Clean oil re...

Page 68: ...s to release inner pressure 6 Avoid checking and maintaining the traveling and slewing circuit at slope 7 When connecting hydraulic hoses and pipes pay special attention to keep seals surface clean an...

Page 69: ...acts and bucket cylinder extends completely to fix excavator 3 Lower bucket to ground 4 Run engine idle for 5 minutes 5 Stop engine and take out key switch 6 Pull pilot control lever to lock position...

Page 70: ...il cools down vent water and sediments 8 Screw down vent plug after water and sediments have been vented Replace hydraulic oil every 2000 or 1500 hours Clean oil inhaling filter when replace hydraulic...

Page 71: ...ore 5 Clean the interior of oil sucking filter core and oil tank if change filter fit new filter on the flange 6 Connect the clean filter core or new filter core with their connect flange fasten the f...

Page 72: ...complete journey extending contracting operation with all the hydraulic cylinders Check the hoses and pipes everyday every 200 hours 1 Inspect leakage with cardboard pay attention to protect your han...

Page 73: ...riginal components of sunward only FIG 100 FIG 98 Never start engine when the hydraulic oil tank is empty The leakage of hydraulic oil and lubricant can cause fire and damage of human body in order to...

Page 74: ...ion 6 Open engine cover Remove pothook of rubber ring and release shell 8 7 Release the lock catch and take out the dust collection cup 8 Clean the interior of the dust collection cup 9 Take out the f...

Page 75: ...r core 16 Install dust collection cup keep the TOP mark up then lock the lock catch 17 Use rubber ring to fasten shell 18 Press button on dust indicator to press the red piston into filter core shell...

Page 76: ...the 37 perennially Only maintain in the first inspection When the machine is delivered 30 of antifreezing fluid has been filled in the cooling system Operate the machine at dusty areas maintenance int...

Page 77: ...ufficient power of battery engine overheat and quick abnormal belt abrasion On the other hand over tighten the belt will damage bearing and belt FIG 98 Never start engine when the hydraulic oil tank i...

Page 78: ...n job 10 Start engine and run it idly exhaust air shut off Shut off engine and cool down the machine before operation The body muffler radiator and other parts of the machine will be very hot when the...

Page 79: ...When necessary 6 Clean track mechanism When necessary 7 Bolt nut fasten moment When necessary Check bucket teeth 1 Check the abrasion and laxation of bucket teeth everyday 2 Replace the seriously abra...

Page 80: ...ew bucket ensure the bucket will not to roll 6 Fit pin A and B and fit corresponding orientation pins and new clip springs 7 Adjust bucket connection clearance of pin A and B Guarantee the unilateral...

Page 81: ...es out the key set pilot safety control lever to lock position If not the sudden movement of excavator may cause serous damage engine is just stopped touching these parts may cause serous scald If it...

Page 82: ...e damage if you do not operate as the follow procedures Slowly screw off the grease pressure relief valve Never let your body face legs or arms be exposed in front of the grease pressure relief valve...

Page 83: ...r and can not recover it should be replaced immediately 2 If the dummy club is lower than 5mm replace track 3 If more than 2 of the steel wire core have exposure replace track 4 If half of the steel w...

Page 84: ...with tightening mechanism until it reaches the standard tensity 7 Install the other track in the same manner Clean the track 1 Lift the track on one side of the machine and firmly support it before cl...

Page 85: ...0 9 8 0 5 12 13 M8 1 25 22 6 1 1 14 17 M10 1 5 47 1 2 4 17 19 M12 1 75 83 4 4 1 19 22 M14 2 0 134 4 6 7 22 24 M16 2 0 207 9 10 4 27 30 M20 2 5 410 9 20 5 Thin screw thread 12 13 M8 1 0 24 5 1 2 14 17...

Page 86: ...the radiator and oil cooler cooling fin to remove dust and dirt 3 More frequently clean the fuel sucking filter and its core 4 Termly carry out clean maintenance especially the surface of the engine a...

Page 87: ...to the parts which need this And smear a layer of oil Battery Take off the battery and charge it then restore it Coolant Add antirust Add antifreeze if it is possible to be frozen or vent out all the...

Page 88: ...dth cabin 1444 mm There is a possibility that the machine will roll tip over or fall while loading or unloading it Therefore you need to take the following precautions Select a firm level surface and...

Page 89: ...ine and the center of the ramps with the center of the crawlers 5 Use the engine accelerograph control lever to reduce the revs of engine drive the machine slowly to the slope and lower the hoe attach...

Page 90: ...rod to the inside of cylinder as much as possible to avoid piston rod corrosion caused by rain and wind clean machine surface and all the exposed parts Machine handling before storage 1 Grease the par...

Page 91: ...on level ground stop the engine put the pilot control rod on open position and shake the pilot operation handle for several circles 2 Grease all the places that need lubrication 3 Check engine oil lev...

Page 92: ...d floats in pilot control pipeline and hydraulic cylinder etc 2 No pressure or exceeding pressure in pilot system 3 Low hydraulic oil temperature and high viscidity of hydraulic oil 4 Hydraulic pump m...

Page 93: ...onding pilot valve malfunction 2 Hydraulic motor malfunction 3 Slewing retarder malfunction 4 Slewing bearing malfunction 5 Need to add lubricant grease into the slewing bearing 1 Repair 2 Consult wit...

Page 94: ...the cubage efficiency 3 Overfall valve and over load valve opens too frequently 1 Clean 2 Contact the dealer 3 Over digging over loading change the digging method Some unexpected actions occur withou...

Page 95: ...of the boom arm bucket and flat swing through 2 control joysticks Model HC RCX 47586 HC RCX 47585 Pilot system pressure 3 5Mpa Hydraulic cylinder standard backhoe double action combined sealed hydrau...

Page 96: ...43 958 Maximum output torque moment High speed 2645 N m Low speed 1471Nm Travel speed High speed 4 1 km h Low speed 2 3 km h Gradeability 30 Travel brake hydraulic brake spring pressure multiple brak...

Page 97: ...system Nachi KYB Hydraulic pump main valve drive motor and swing motor from Japan with perfect quality and stable work condition can ensure the stable work of the whole system Full power qualified sy...

Page 98: ...ack tension device can conveniently tension and loosen track The helix spring provides huge tension power for oriented wheel and ensures the track orientation avoid track digression High alloy steel t...

Page 99: ...within operator s sight and it is very easy to recognize the indicators on it such as engine electronic device and hydraulic system All the indicator s sketch maps comply with SAE certification There...

Page 100: ...er A Distance between wheel mm 1560 B Length of track mm 1990 C Turret distance to ground mm 525 D Gyration radius of turret mm 765 E Chassis width mm 1500 F Track width mm 300 G Ground clearance of c...

Page 101: ...4355 B Max unloading height mm 3010 C Max digging depth mm 2840 D Max vertical digging depth mm 2580 E Max digging radius mm 4670 F Max reach at ground level mm 4775 G Max lifting height of dozer mm 2...

Page 102: ...should be fully acquainted with the operator s manual and the operating safety manual furnished by the manufacturer before operating the machine NOTE 1 Lift capacities shown are without the power boos...

Page 103: ...98 8 ATTACHMENT 8 1 ELECTRIC DRAWING...

Page 104: ...99 8 2 HYDRAULIC DRAWING...

Page 105: ...oler 21 swing motor 7 main valve 22 arm cylinder 8 Bulldozing hand shank 23 boom swing cylinder 9 left foot value crushed auxiliary control 24 Quick changing splicer 10 Left joystick pilot control val...

Page 106: ...ddress 16 LiXiang Road Xingsha economic and technologic development district Changsha Hunan Tel 0086 0731 83572739 83572783 Maintenance point our office in some provinces and cities of China About dis...

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