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95

CHAPTER V MAINTENANCE AND REPAIR

5.1PREPARATION BEFORE MAINTENANCE

Follow with the "Maintenance and Security Matters" mentioned in the previous
chapter

5.2 REGULAR MAINTENANCE

Instructions:

1. Before any operation or maintenance, make sure the instruction manual of the machine

concerning safety, warning and descriptive information has been read and understood

completely.

2. The user is responsible for proper maintenance of the machine, including adjusting

mechanism, adding lubricants and other operating fluids, replacing filters and replacing

parts due to normal wear or aging. Failure to maintain the entire machine according to

correct intervals and specified procedures may lead to a drop in performance to the

machine as well as accelerated wear on its parts and components.

Note:
1) Before any continuous maintenance cycle, it is necessary to complete all previous

maintenance work firstly. In completing any item of maintenance work, it is necessary to

ensure that any other items that are supposed to be performed according to cycles shorter

than its cycle are done simultaneously with that item of work. For example, if a collection of

items of work supposed to be performed once every 500 hours or every three months needs

to be done, some other items must be performed simultaneously, including any item

supposed to be performed once every 250 hours or every month, once every 100 hours or

half a month, once every 50 hours or every week, or once every 10 hours or every day.
2) It is imperative that all maintenance cycles be determined by work time. However, calendar

time-based cycles could replace work time-based ones if calendar time-based maintenance

plans turn out to be more convenient and the numbers included in calendar time-based plans

are approximate to those in the corresponding work time-based plans. Carry out maintenance

work, no matter what time is adopted, work time or calendar time, whichever comes first;

3) It is necessary to shorten time specified in the maintenance cycles table and carry out
maintenance more frequently under the extremely harsh, dusty, wet, or other unfavorable
working conditions.

I. Routine maintenance items to be performed once every 10 hours or once a day

1. Check the engine coolant and make sure that the engine has been filled to the full; If the

machine equipped with attached tank, check the coolant level whether in the normal

range or not, add coolant as necessary.

2. Check the engine oil level of engine and the liquid level of injection pump governor, and

ensure the level stays within the normal operating range, add it as necessary.

3. Check the hydraulic oil level in the hydraulic tank to ensure that the level stays within the

Summary of Contents for LG833NG

Page 1: ...eration of this machine thus bringing you more benefits Therefore please read and understand safety instructions before operating this machine and fully comply with them Improper operation lubrication...

Page 2: ...1 2 13 FUEL SIGN 12 1 2 14 WARNING SIGN FOR SCRAPING 12 1 2 15 ATTACHMENT NAMEPLATE 13 1 2 16 SIGN OF FLUSHER CONTAINER 13 1 2 17 WARNING SIGN OF PREVENTING SINKING MOVEMENT 13 1 2 18 SAFETY EXIT SIG...

Page 3: ...1 5 10 BEWARE OF HIGH VOLTAGE CABLES 32 1 6 PRECAUTION FOR OPERATION 33 1 6 1 METHODS OF USING A BRAKE 33 1 6 2 PRECAUTIONS WHEN OPERATING ON SNOWY DAYS 34 1 6 3 PRECAUTIONS FOR OPERATION IN COLD ARE...

Page 4: ...EVENTION MEASURES OF MAINTENANCE IN HIGH TEMPERATURE OR HIGH PRESSURE 48 1 8 21 WASTE DISPOSAL 48 1 8 22 PRECAUTIONS OF TIRE MAINTENANCE 49 1 8 23 PRECAUTIONS OF TIRE STORAGE 50 1 9 CATALOG AND REPLAC...

Page 5: ...GENERAL SKILL 81 4 4 3 WORK METHOD 85 4 5 TRANSPORTATION OF LOADER 86 4 5 1 HOISTING OF LOADER 87 4 6 OPERATION IN COLD WEATHER 90 4 6 1 PRECAUTIONS FOR OPERATION AT LOW TEMPERATURE 90 4 6 2 OPERATIO...

Page 6: ...7 2 INSPECT ELECTRICAL DEVICES 115 5 7 3 SOLDERING 116 5 8 TRANSMISSION OIL TANK MAINTENANCE 117 5 8 1 INSPECT OIL LEVEL OF GEARBOX 117 5 8 2 TRANSMISSION OIL REPLACEMENT 118 5 9 MAINTENANCE OF DRIVE...

Page 7: ...ect your personal safety 2 Please operate this machine according to instructions Any improper operation or no operation may affect the machine s normal working conditions and cause machine damage 1 2...

Page 8: ...cidents 1 2 2 WARNING SIGN OF THE ANTI FREEZE FLUID Sign location on the engine hood Contents this sign reminds the user to operate the machine according to this sign Otherwise it may cause machine da...

Page 9: ...the front frame Contents 1 Danger of crushing Do not stand here when the loader is turning because the crushing may lead to serious injury or death 2 Danger of crushing During the transport of loader...

Page 10: ...LE AND LUBRICATING POINTS Sign location left side of the frame hinge Contents distribution diagram of lubricating points by hourly calculation based on the requirements of machine This sign reminds us...

Page 11: ...ion of the hook when the loader is lifted 2 This sign reminds the user of the binding position when the machine is shipped 1 2 11 HYDRAULIC OIL SIGN Sign location on hydraulic oil tank Contents this s...

Page 12: ...f this sign Otherwise it may cause personal injury 1 2 13 FUEL SIGN Sign location on oil tank at the left side of the frame Contents this sign reminds the user that the right side of the frame is fuel...

Page 13: ...od of the cab Contents this sign reminds the user that this position is for flusher container Please fill washing liquid as required after the machine is running for a period of time 1 2 17 WARNING SI...

Page 14: ...NG WARNING SIGN AT HIGH TEMPERATURE PLACE Sign location left and right sides of the engine hood Contents because the working engine gives out large quantities of heat maximum temperature of exhaust pi...

Page 15: ...machine according to this sign Otherwise it may cause machine damage or personal injury 1 2 21 SIGN OF BATTERY CONNECTING WIRE Sign location rear side of engine hood Contents this sign gives a descrip...

Page 16: ...e performing the welding operation on the machine unplug the plug connector linking the wire harness to the engine controller before unplugging the plug connector of the electrically controlled transm...

Page 17: ...ain this loader Never operate or maintain the loader when you feel bad tired due to dose after drinking or do not adapt to environment because it may reduce you emergency reacting capacity and commiss...

Page 18: ...hen operating the loader because distraction may cause accidents Do not take any flammable and explosive hazardous article into the cab Do not wear earphone when driving or operating the loader otherw...

Page 19: ...cause human injuries therefore it is important to wear mask protective clothes and safety shoes before using the compressed air The maximum pressure of compressed air using clean shall be under 0 3MPa...

Page 20: ...down the engine and do not smoke Tighten storage lid of above combustible liquids Store the above flammable liquids in containers marked with corresponding logos and lay them in a specified place to g...

Page 21: ...er to prevent hot oil spray out the engine shall be shut down so as to let the oil cool down slowly loosen the cap to release the pressure when opening the engine cap Check whether the oil temperature...

Page 22: ...red so that you may contact them in case of emergency Stick those phone numbers to a specified place to make sure all staff are aware of those numbers and know the correct communication methods If fir...

Page 23: ...ether make sure the place is in good ventilating conditions and pay attention to prevent fire Do not smoke when replacing ether cylinder Do not store ether cylinder in living areas or inside the cab D...

Page 24: ...d leakage may penetrate muscle and cause death If the solution sprays out to the skin please contact with surgeons who is familiar with this injury for cure within a few hours If the following faults...

Page 25: ...ALLING OR FLYING OBJECTS When there is falling or flying objects hit the cab at site it will cause danger please select the protective device that is suitable to operating condition to protect driver...

Page 26: ...operating in bridge cable lines or there are scaffoldings or other barrier accessories need the special commander Insurance coverage work permit or certificate minimum standard of protection of obstac...

Page 27: ...ble is damaged Adjust the operator s seat to the location where is convenient to operate machine check whether the positioning device of seat belt and safety belt is damaged Service lift of the safety...

Page 28: ...annot be identified thus causing personal injury or machine damage Check work shall be performed in a spacious place where there is no obstruction Nobody is allowed to approach the machine during chec...

Page 29: ...den stop sudden turn or zigzag traveling is dangerous If the machine is detected having any abnormal conditions during operating abnormal status of noise vibration smell and instrument display gas or...

Page 30: ...must comply with the following rules with prior to move the machine or its working devices Sound the horn to warn the staff and person in the field Check the vicinity of the machine to ensure that th...

Page 31: ...use even a small slope may cause the machine to skid to one side Therefore it is required to drive machine at a low speed The machine must straight up and down when traveling on the slope Place the ge...

Page 32: ...er boots and gloves Lay a rubber mat on the operator s seat and be careful not to let any part of the body touch the exposed part of the metal chassis Designate a signal commander who sends warning si...

Page 33: ...operating in a dark place turn on the switch of working lamp and headlamp if necessary install illumination equipment on site Do not operate the machine in fogy obscure snowy or heavy rainy days or o...

Page 34: ...ssary to adjust loading capacity to avoid machine sliding aside when walking 1 6 3 PRECAUTIONS FOR OPERATION IN COLD AREAS After the completion of operation clean off the water snow or mud that clung...

Page 35: ...device down to the ground When parking the machine on the road it is necessary to set up fences signals flags or warning lights and other necessary signals to ensure the machine can be seen clearly Ho...

Page 36: ...machine with trailer it is necessary to comply with national and local laws and regulations for the weight height and length of heavy objects and comply with all relevant traffic laws and regulations...

Page 37: ...sure that the hook of the dragged machine and the dragged portion are in the same straight line and in place 1 6 9 PRECAUTION FOR USE AND MAINTENANCE OF THE BATTERY Because the battery electrolyte con...

Page 38: ...or starting the engine with other power supply Demount battery from the machine before charge it 1 6 10 PRECATUTION FOR START UP WITH BOOSTER CABLE If the connection method of booster cable is wrong...

Page 39: ...egative clip to negative If the charge rate of the battery is less than 1 10 perform high speed charging and set the values below the rated capacity of the battery If the charge current is too large i...

Page 40: ...the workplace in order to work safely in order to avoid danger of tripping slipping falling and the like 1 7 4 DESIGNATION OF RESPONSIBLE PERSON During machine repair loading and unloading of working...

Page 41: ...o the ground and lock up the joystick with locking kit Pull up the parking brake switch perform braking and put wedge down the tire Lock up the front and rear frame with frame fixing rod During mainte...

Page 42: ...vals with new ones Regular replacement of critical safety parts is shown in Catalog and Replacement Cycle of Critical Safety Parts 1 8 4 ILLUMINATION When checking fuel lubricant battery electrolyte o...

Page 43: ...ork of repair and maintenance is not allowed to enter working site If necessary designate a person keep guard Pay special caution to keep your personal safety during grinding welding or using of a sle...

Page 44: ...arm 1 8 10 MAINTENANCE ON THE TOP OF THE MACHINE When conducting maintenance on the top of the machine make sure your standing point is clean and no barrier as well as comply with the following items...

Page 45: ...or fan belts When clearing the inner of radiator it is necessary to lock up joystick with lock equipment to prevent movement of working device In addition pull up the parking brake switch to implemen...

Page 46: ...draulic device or pipe or near them will produce combustible vapors and sparks that have risk of ignition therefore it is necessary to avoid such welding If the welding sparks fly directly onto rubber...

Page 47: ...il hydraulic oil antifreeze brake fluid or window glass detergent shall be well ventilate 1 8 18 HANDLING OF HIGH PRESSURE HOSE If the high pressure hose leaks it may lead to malfunction personal inju...

Page 48: ...GH TEMPERATURE OR HIGH PRESSURE When the machine just stops working cooling water and oil of all parts of engine is in high temperature and high pressure If now open the engine hood to do drain of oil...

Page 49: ...r death In order to ensure the security of maintenance work the following precautions shall be complied with Maintenance demolition repairs and installation of tire and rim requires special equipment...

Page 50: ...lines If the tire is falling down it is better to run away for the tires of engineering machinery are extremely heavy therefore any attempts to stop its falling may lead to serious injury Erect the ti...

Page 51: ...Hose from fuel coarse filter to diesel engine inlet 1 4 Diesel engine oil return hose 1 5 Fuel tube feed pump diesel oil filter 1 6 Fuel tube diesel oil filter injection pump 1 7 Oil return tube of tu...

Page 52: ...52 CHAPTER II OPERATION AND CONTROL Schematic Diagram of Components of Wheel Loader Right Cab Frame Cylinder Rocker arm Front Lift arm Bucket Front wheel Left Rear wheel Balance weight Rear...

Page 53: ...reakout force bucket 95 3kN Maximum grade ability 27 Minimum turning radius Measured at centerline of outside tire 5440mm Measured at outer side of bucket 6280mm Dimensions Loader length with bucket f...

Page 54: ...ir cooled Gearbox Type Fixed shaft power gear shift straight toothed constant mesh Number of speeds 4 forward gears 2 reverse gears Transmission oil pump Gear pump Working pressure 1 1 1 5MPa Main dri...

Page 55: ...ing pressure 16MPa Electrical system System voltage 24V Battery capacity 2 N120 Lamp voltage 24V Start of diesel engine 24V electric start Filling capacity Total capacity of hydraulic oil tank and fue...

Page 56: ...56 2 2 OUTLINE DRAWING OF LG833NG LG833BGIII 00I WHEEL LOADER...

Page 57: ...eling traction lifting and transportation in mines civil works road constructions harbors and goods yards It is not recommended to use the loader long time for bulldozing or traction otherwise the tem...

Page 58: ...er the loader is turned 3 The steering wheel cannot automatically return to its original position thus the turning angle of loader remains unchanged Therefore when the turning of loader is accomplishe...

Page 59: ...he panel of control box in the right of Cab The starter switch can be turned clockwise to four positions 1 Stop counterclockwise turn the starter switch key the first position is Stop Release the key...

Page 60: ...ion and then start the engine again Failure to do so will cause damage to the starter switch Each time of starting shall not take more than 15 seconds interval between two times of starting shall be a...

Page 61: ...e can be able to stop at OFF condition The instrument desk adjusting mechanism is on the right side of the instrument desk Generally speaking the instrument desk tilts backward and forms an included a...

Page 62: ...shing forward the lift arm joystick the lift arm will be lowered by pulling backward the lift arm joystick the lift arm will be raised Slightly moving forward or backward the two joysticks can control...

Page 63: ...orking lamps left right and rear headlamps left right The front combination lamps include front headlamps front small lamps and front steering lamps The rear combination lamps include rear small lamps...

Page 64: ...64 Rear combination lamp Rear working lamp In cab lamp...

Page 65: ...e to remind the passer by Each rocker switch is provided with an indicator lamp When combination switch is turn off the corresponding indicator lamp will turn on When combination switch is turn on the...

Page 66: ...a place safe and suitable for repair work and shut down the engine Check the fan and belt of engine and the water level of water tank Do not operate or travel the loader until the failure has been re...

Page 67: ...iately and make inspections Do not operate or move the loader until the failure has been removed 6 Braking air pressure gauge indicate in real time the air pressure of braking system The indicating ra...

Page 68: ...m water valves so as to also renew the coolant of evaporator as well as ensure the normal level of engine coolant Note when A C is equipped two water valves have the switching function When no A C is...

Page 69: ...ower left portion of seat Turning clockwise the handle can press the backrest forward or backward to expected position Release the handle the backrest will remain at that position The backrest can be...

Page 70: ...key for 180 and then take it out 3 13 USE OF LOCATING LOCK If the cab door opens 180 the locating lock will be caught by the lock catch which is outside the cab The control handle of locating lock is...

Page 71: ...then rotate the support Loosen the connection bolt between rear view mirror and support rotate rear view mirror to the right position Then tighten the bolt 3 15 CHARGING DOCK Reserved for charging of...

Page 72: ...n of travel When the lever is pulled near the maximum position of travel reduce the pull force for fear of damage to the sunshade 2 When the sunshade is at the lower maximum position of travel pull th...

Page 73: ...ed load 6 In the course of working inspect whether the work attachment is normal 7 Inspect whether any part is loosened or damaged owing to the transportation 8 Inspect whether any wire or terminal is...

Page 74: ...peller shaft connecting bolts diesel engine fixing bolts gearbox fixing bolts and frame articulating bolts 2 Inspect the tension of generator belt and air belt 3 Inspect the level of transmission oil...

Page 75: ...lectrode and cable of the battery is loosened tighten it up in time 6 Inspect whether the tire pressure is correct Figure Inspect the wiring of battery 4 3 2 START UP OF ENGINE 1 Clear away the person...

Page 76: ...ion eliminate the fault wait at least three minutes and then attempt to start up the engine again 12 After the engine is started up make it run at idle speed 750 800r min so as to warm it up Only afte...

Page 77: ...ressed down WARNING If the loader moves immediately step down the service brake pedal and pull up the parking brake Then inspect loader s variable speed control system for any failure If the loader is...

Page 78: ...lt forwards the bucket and insert the bucket tooth or blade into or push it against the ground so as to stop the loader and ensure the safety 6 In case there is a corner ahead please operate the loade...

Page 79: ...s to ensure the safety WARNING Do not carry out turning operation on a slope The turning operation may be completed only after the loader has been driven to the flat ground 7 For the purpose of brakin...

Page 80: ...be sure to block up the wheels with chocks so as to prevent the loader from moving If the loader is to be stored for long time please operate in accordance with the following requirements 1 Before St...

Page 81: ...aulic oil and anti freezing fluid are not replaced before storage replace them after storage Apply greases to all moving pins shafts and the propeller shaft Before starting up the engine wipe away the...

Page 82: ...he combined shovel loading method is suitable for loading relatively hard or sticky materials Before the bucket is inserted into the materials all operations are the same as those of common shovel loa...

Page 83: ...erturn Unloading of materials 1 Discharging of materials into truck or hopper When the loader which is loaded with materials is 15 meters away from the truck or hopper just release the accelerator ped...

Page 84: ...t the materials are discharged with the bucket located at a position close to ground In this case after the materials are discharged be sure to turn backwards the bucket until it is in the horizontal...

Page 85: ...ket After the materials are discharged return to the original position for the next shovel loading operation Shuttling work method The shuttling work method is mainly used for the combined work of loa...

Page 86: ...ry materials on the dock or vehicle before the transportation NOTE When transporting the loader please comply with the national or local regulations relating to height width length and weight Please c...

Page 87: ...the course of transportation 4 5 1 HOISTING OF LOADER 1 The hoisting operation shall be commanded and carried out by professionals who have the hoisting related knowledge 2 Please calculate the maxim...

Page 88: ...a loader may cause personal injury or death If the loader in trouble is towed on a bad road it will further damaged If the brake system fails the brake is out of use and special attention shall be pa...

Page 89: ...owing operation will commence 1 To tow the loader with the engine running 1 If the power train and the steering system may work normally the loader may be towed for a short distance with the engine ru...

Page 90: ...use of anti freezing fluid Be sure not to use any anti freezing fluid which contains methanol ethanol or propanol Be sure not to use any anti leakage agent no matter it is used alone or together with...

Page 91: ...as the storage time lasts Be sure to cover the battery or move it to a warm place and install it onto the loader for working in the next day 4 6 3 AFTER COLD WEATHER HAS ENDED After the weather becom...

Page 92: ...y 8 Be sure to place a standby external air filter in the cab so as to facilitate the replacement of any part which is frozen or affects the breathing of engine 9 Under cold weather the start aid shal...

Page 93: ...material so as to prevent sunshine dirt and dust If no appropriate covering material is available please cover the loader with canvas Be sure to prevent dust from entering into engine gearbox or hydr...

Page 94: ...ighly corrosive When operating the loader in salt water please pay special attention to the following matters 1 After the loader is stained with salt water immediately wash it with fresh water and the...

Page 95: ...some other items must be performed simultaneously including any item supposed to be performed once every 250 hours or every month once every 100 hours or half a month once every 50 hours or every wee...

Page 96: ...t reversing alarm system generator brake system and steering system At the same time ensure that all switches quick couplers operating levers pedals operating handles buttons and others elements of th...

Page 97: ...place the oil intake filter element replace the return oil filter element for the working hydraulic oil clean the inside of the hydraulic oil tank return the filtered hydraulic oil to the hydraulic oi...

Page 98: ...oil VII Maintenance items to be performed once every 2000 hours or every year 1 Replace the coolant of the engine 2 Check the differentials of the front and rear axles and wheel hub reducer and repair...

Page 99: ...the date of operating whichever comes first 5 3 LUBRICATION CHART Grease the lubricant at various sliding bearing or rolling bearing sections such as 1 Driving shaft with cross head 2 All pin sets at...

Page 100: ...4 165 180 210 M16 193 257 280 330 M18 264 354 380 450 M20 376 502 540 650 M22 512 683 740 880 M24 651 868 940 1120 M27 952 1269 1400 1650 M30 1293 1723 1700 2000 M33 1759 2345 2743 3298 M36 2259 3012...

Page 101: ...ngine causes blocking waterways heat transfer hindered and results in engine overheating while the water containing higher rate of sulfate or chloride containing will be corrosive Anti freeze fluid An...

Page 102: ...alling off resulting from cavitations corrosion and will gradually form a honeycomb like with different diameter sizes and is damaged finally 1 When the temperature is below 0 it is necessary to inspe...

Page 103: ...porator from the engine to air conditioner system Warm water valve for controlling the water inlet of the air conditioning system see right figure 3 Open the pressure cap on the top of heat radiator a...

Page 104: ...Fatherly fill coolant till the coolant temperature is below 50 3 Tighten the heat radiator pressure cap 5 5 4 CLEANING OF COOLING SYSTEM The machine takes 4800 hours running or two years whichever occ...

Page 105: ...ing agent with the same filling method as that of the coolant 7 Repeat the above steps 4 5 and 6 till the cleaning liquid is discharged without too much dirt 8 Fill the coolant with the method specifi...

Page 106: ...air filter the yellow piston of the air filter indicator moves to the red area when the engine is running in high idle speed The air filter needs maintenance Air filter pressure drop alarm indicator...

Page 107: ...t of the sealing part at the end of the main filter 7 Clean up and install the cover of air filter and tighten the bolts on the lid with hand 8 Press the indicator to reset the indicator If the engine...

Page 108: ...filter element and keep sealing well Screw the mounting nut of safety filter element 5 Install the main filter element and air filter cover 6 Press down the air filter indicator to reset it 5 5 8 CLE...

Page 109: ...of the tank every week to discharge the water and impurities before adding fuel 3 Adding fuel to discharge the moisture after daily work 4 Stay for 5 to 10 minutes after adding diesel each time to let...

Page 110: ...in the fuel in order to reduce the wear of the precision coupling of the fuel pump and injector After fuel is filtered the dirt will be kept at the outer surface of filter As the filter element is mad...

Page 111: ...ly lower as 10 m filter accuracy is of 7 m and the pre filter has a water cup to discharge the water and impurities in the fuel system Pre filter replacement cycle is same as that of the filter Fuel p...

Page 112: ...ch engine oil and too little engine will all apt to damage the engine 5 6 7 REPLACEMENT OF ENGINE OIL 1 When getting up to the required oil change cycle it requests to replace the engine oil Park the...

Page 113: ...ean oil and seals the contact surface with a layer of clean mechanic oil 5 Install the oil filter to the install seat tighten it to the surface of the oil filter gasket with install seat Tighten the o...

Page 114: ...maintenance free type without the necessity to add the battery electrolyte distilled water to the battery cell When the charging indicator turns gray it shows that the electrolyte is insufficient prob...

Page 115: ...with electricity to inspect whether there is 24V voltage if no voltage then inspect the power cable between electrical parts and the fuse is broken or not 4 If the voltage is measured please replace...

Page 116: ...short circuit and connect a small resistor in series then the indicator will display the max value the indicating hand does not point to a mark if it cannot normally indicate and then replace the mete...

Page 117: ...rbox regularly according to the regulated cycle Gearbox may be damaged if its oil level is too high or too low Please keep transmission oil level in the correct position Fill from the refueling port o...

Page 118: ...ton at the top of the heat radiators of the torque converter to accelerate oil discharging rate 5 In the process of replacing transmission oil it is necessary to replace the fine filter of the gearbox...

Page 119: ...table or not 6 Screw on the oil outlet piston 7 Inspect the oil level of the rear driving according to the above operation procedures 5 9 2 REPLACEMENT OF THE DRIVE AXLE OIL It requires replacing driv...

Page 120: ...reduce the possibility of explosion When tire pressure is inspected and adjusted it shall be carried out after the tire is fully cooled Pressure of Nitrogen inflated tire is the same as that of the a...

Page 121: ...ud water or rain Inspect the connections around the car to confirm whether there are loose joints machine damage or leakage After operation is completed clean the mud rocks gravel etc left on the mach...

Page 122: ...aging the equipment due to freezing 5 13 MAINTENANCE OF HYDRAULIC OIL 5 13 1 INSPECT THE OIL LEVEL OF THE HYDRAULIC OIL Hydraulic oil tank is behind the cab The oil gauge indicating the level of the h...

Page 123: ...receive the oil with container At the same time screw offs the air filter to speed up the process of draining oil 6 Remove top cap of the oil return filter of the hydraulic oil tank replace the oil re...

Page 124: ...p to 20 25mm from the filler inlet Brake fluid shall not be mixed with mineral oil and water and otherwise it will quickly cause damage to rubber components of the system and reduce the braking effect...

Page 125: ...ayers peel de rust again and spray anti rust paint if weld crack and deformation are discovered stop the use immediately and replace the gas tank 4 The gas tank is subjected to pressure experiments ev...

Page 126: ...to install the bucket pin 2 Figure 4 Lock the Pin Plate bolts of Bucket 1 Figure 2 5 15 2 REPLACEMENT OF THE BUCKET TOOTH 1 Start the engine raise the bucket and arrange the pads under it and put the...

Page 127: ...nd clip ring 3 Clean tooth body pin and clip ring set the clip ring on the slot on the side of the teeth 4 Install a new set of teeth sleeve on the clip ring 5 Knock the pin into clip ring from the si...

Page 128: ...blocked Clean the oil filter Pump Failure Replace oil Pump Oil seal of the clutch is leaking oil seriously Change oil Seal Oil level of the gearbox is increased Oil flying out from the end of the stee...

Page 129: ...om raising force or bucket tilting force is inadequate Oil seal of the cylinder is worn or damaged Change oil seal Distribution valve is excessively worn the fitting gap between valve rod and valve bo...

Page 130: ...esulting eardrum not sealing not except Replace the drier of the whole machine Brake fails No or few liquid in booster pump oil cup Fill oil cup of booster pump with oil Oil inlet valve and hydraulic...

Page 131: ...g maintenance do not put coolant oil fuel engine oil hydraulic oil transmission oil gear oil grease etc electrolyte or other objects may cause environmental pollution directly on the ground use the sp...

Page 132: ...00 Solid sandstone 2300 5 Gravel Dry gravel 1485 1650 Wet gravel 2015 Gravel pit 1900 Dry clay mixed 1185 Wet clay mixed 1650 Dry sand mixed 1730 Wet Sand Mixed 2000 6 Bauxite 1425 7 Gravel 1600 8 Sla...

Page 133: ...133...

Page 134: ...inter or exported to the cold regions 85W 90 GL 5 Hydraulic oil L HM 46 anti wear hydraulic oil 150 Steering system of the steering gear Working pressure system L HV 46 low temperature anti wear hydra...

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