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MT86H

Operation

and

Maintenance

Manual

Foreword

Thanks for choosing mining dump trucks manufactured by Lingong Group Jinan Heavy

Machinery CO., LTD., Ltd. This manual describes the mechanism, driving and operating,

maintenance and adjustment, technical parameters and service/adjustment data of the MT86H series

mining dump trucks.

Maximizing the profits from your Off-Highway Dump Truck is our common goal, which is to a

large extent dependent on your familiarity with the truck and a careful and thorough maintenance.

We sincerely hope that you can read through the manual prior to the first start, operation as

well as maintenance and service of the truck and get full understanding of the operations and

maintenances described herein.

All the pictures and descriptions covered herein are correct at time of publication; but

the structures and performances of our products are constantly improved and perfected; therefore,

please understand that the related design, operation and maintenance instructions are subject

to change at any time without prior notice. For the latest information on the dump truck or in

case of any doubts about this manual, please consult LGMG.

This manual is applicable for MT 86H series Off-Highway Dump Truck (standard configuration).

Users shall be in strict accordance with the mileage or time interval in the maintenance schedule

to do maintenance to the assembly and the dump truck.

The manual is a part of the dump truck and thus shall be handed over together when transferring

the ownership or the right of the truck. If the manual is lost, damaged or hard to be recognized,

please replace it in time.

The copyright of this manual is reserved by Lingong Group Jinan Heavy Machinery CO.,

LTD., Ltd. Reproduction or reprinting without written permission by LGMG is prohibited.

Содержание MT86H

Страница 1: ...e operation and maintenance the drivers and service personnel shall always read and get understanding of the manual Otherwise fatal accident may occur This manual shall be kept properly for future reference by the personnel concerned LINGONG GROUP JINAN HEAVY MACHINERY CO LTD ...

Страница 2: ... and printed for the first time in May 2018 LINGONG GROUP JINAN HEAVY MACHINERY CO LTD Add F12 Building 3 LushangGuoao Plaza 9777 Jingshi Road Lixia District Jinan Shandong 250000 China Tel 86 0531 81663345 Technical service 86 0531 81666372 Fax 86 0531 81666853 Accessory sales 86 0531 67605016 Web www lgmg com cn ...

Страница 3: ... positions 6 Chapter II Product Introduction 11 2 1 Outline and component name 13 2 2 Outline dimension 13 2 3 Application 14 2 4 Work Environment Requirement 14 2 5 Vehicle parameters 14 Chapter III Operation 17 3 1 Door operation 19 3 2 Cab interior device 21 3 3 Cab exterior devices 31 3 4 Cab suspension 34 3 5 Cab tilting 35 3 6 Preparation before driving 37 3 7 Start up and gearshift 46 ...

Страница 4: ... of transmission 74 4 5 Operation and maintenance of front axle 82 4 6 Operation and maintenance of suspension system 92 4 7 Operation and maintenance of steering system 103 4 8 Operation and maintenance of brake system 111 4 9 Operation and maintenance of A C 125 Chapter V Maintenance 135 5 1 Mileage for routine inspection maintenance interval 137 5 2 Details on mandatory maintenance of MT86 mini...

Страница 5: ...MT86H Operation and Maintenance Manual III 6 4 Principle of hydraulic system 156 6 5 Schematic diagram of electrical system 157 ...

Страница 6: ...at time of publication but the structures and performances of our products are constantly improved and perfected therefore please understand that the related design operation and maintenance instructions are subject to change at any time without prior notice For the latest information on the dump truck or in case of any doubts about this manual please consult LGMG This manual is applicable for MT ...

Страница 7: ...air the operator shall carefully read this manual Loading should be done in strict accordance with the rated loading capacity and any consequences due to overloading or unauthorized modification shall be the responsibility of the users The operating procedures and precautions referred to herein are only applicable to the stipulated operation of the machine For any operations out of the specificati...

Страница 8: ...se consult the company or dealers Precautionary measures on operation and maintenance in the manual are only applicable to using the machine as specified purposes If the machine is used beyond the range listed in the manual our company will bear no liabilities All safety liabilities of such operation should be borne by the user and operator Operation prohibited in the manual should not be executed...

Страница 9: ...MT86H Operation and Maintenance Manual 1 Chapter I Safety ...

Страница 10: ...MT86H Operation and Maintenance Manual 2 ...

Страница 11: ...el concerned understand the hand signals 2 Always do inspection before or after the operation so as to eliminate the potential danger such as leakage of oil water and air bolt looseness unusual noise or other hazards that could cause faults and serious accidents 3 Never enter or stretch your hands between the moving components and avoid any rotating and moving parts Do not enter between the cargo ...

Страница 12: ...ease get on off the truck by the ladder or grip only Getting on off the running truck is prohibited 2 During normal running such dangerous driving behaviors as sudden braking fast travelling sharp turning at a high speed or driving in a zigzag are not allowed 3 Before starting the truck always inspect if the followings have been done The parking brake is applied The transmission is set to NEUTRAL ...

Страница 13: ...erous and shall be prohibited 1 3 Other precautions 1 Unauthorized modification is not allowed Any modification without permission from the Company may lead to an accident and users shall contact with the Marketing Dept of the Company in advance The Company assumes no liability for the casualties and damages incurred therefrom 2 When lifting the cargo body to repair the components beneath the stay...

Страница 14: ...rm electric welding or flame cutting to the pipeline containing flammable liquid Make sure to clean with non inflammable liquid before such operations 7 Always lower the cargo body to the subframe before leaving the truck unattended and check that the lifting control lever is in the center the parking brake is applied and the transmission control lever is set to the NEUTRAL position and then shut ...

Страница 15: ...tenance Manual 7 2 Hydraulic oil mark at hydraulic oil tank 3 Fuel tank filling notice and sign at fuel tank 4 Lifting notice sign at the underpart of the hydro cylinder support 5 No treading sign on battery box and fuel tank ...

Страница 16: ...e muffler 7 Working safety signs at front end and in the middle of the cargo body 8 Buffer tank operation Caution beside the buffer tank 9 Air reservoir Caution at the external wall of the air reservoir 10 Travelling Caution at the left upper corner of front windshield LHD ...

Страница 17: ...g Caution 1 at the front part windshield 12 Travelling Caution 2 at the front part windshield 13 hydro cylinder notice at the right front side of the seat in cab 14 Parking brake handle valve notice at the left front part of the Parking brake handle valve ...

Страница 18: ...MT86H Operation and Maintenance Manual 10 ...

Страница 19: ...MT86H Operation and Maintenance Manual 11 Chapter II Product Introduction ...

Страница 20: ...MT86H Operation and Maintenance Manual 12 ...

Страница 21: ...MT86H Operation and Maintenance Manual 13 2 1 Outline and component name 1 2 3 4 5 6 7 1 Rare drive axle 2 Middle drive axle 3 Cargo 4 Fuel tank 5 Air filter 6 Streeing axle 7 Cab 2 2 Outline dimension ...

Страница 22: ...flammable and combustible materials with the truck 2 4 Work Environment Requirement The truck is applicable to the following environments Item Altitude Environment temperature Fording depth Parameter requirement 4000m 15 40 315mm The truck is a common engineering machine which could be used for various applications in normal circumstances described in the manual In case of being used for other pur...

Страница 23: ...ume ratio g kW h Displacement mL 11596 Max torque N m 1750 Emission standard ChinaⅡ GB20891 2007 Consumption rate of engine oil and fuel 2 5 4 Transmission system Items Parameters contents Clutch Type Single disc dry hydraulic remote operated Release travel at separated finger end of diaphragm spring mm 12 14 Friction plate outside diameter inside diameter mm 430 242 Max release force at separated...

Страница 24: ...ssure shall be adjusted according to Comparison table of speed load and air pressure in 3 9 2 5 5 Steering system Items Parameters contents Type hydraulic steering Max turning angle 38 Safety valve I A Steering pump Vane pump displacement28ml r Min turning diameter m 22 System working pressure Mpa 17 2 5 6 Working device Items Parameters contents Type pneumatic control Maximum working pressure 24M...

Страница 25: ...MT86H Operation and Maintenance Manual 17 Chapter III Operation ...

Страница 26: ...MT86H Operation and Maintenance Manual 18 ...

Страница 27: ... Fig 3 2 lift the handle and pull it outward to open the door Door closing Close the door directly Door locking After the door is closed insert the key in turn it clockwise for 180º and pull out the key or before the door is closed insert the key in turn it clockwise for 180º and close the door After the door is locked the door could not be opened by pull the handle outward 3 1 2 Use door switch i...

Страница 28: ...MT86H Operation and Maintenance Manual 20 always make sure that the window and door are closed and the door is locked Please keep valuables with you rather than leave it behind in the cab ...

Страница 29: ...k 4 Oil pressure gauge 5 Voltmeter 6 Barometer of brake circuit 1 7 Barometer of brake circuit 2 8 Fuel gauge 9 Coolant thermometer 10 Speedometer 3 2 2 Steering wheel and switch panel 1 Steering wheel 2 Hand brake valve handle 3 Rocker switch 4 Air condition operation panel and display screen 5 Transmission gear shift handle 6 Cigarette lighter 5 6 1 3 7 8 9 10 2 4 1 2 3 4 5 6 ...

Страница 30: ...brake indicator Yellow Transmission high temperature indicator Red Door ajar alarm indicator Red Retarder brake indicator reserved Red Rear working lamp on indicator Green Transmission fault indicator reserved Amber Cab unlocked alarm indicator reserved Red Engine serious fault indicato Red Low fuel level alarm indicator Yellow Engine fault indicator reserved Red Storage battery charging indicator...

Страница 31: ...eam low beam combination switch will be effective 2 Front fog lamp switch 0 Front fog lamp OFF 1 Front fog lamp ON 3 Hazard warning switch 0 Hazard warning OFF 1 Hazard warning ON The key switch will be effective when it is turned to gear 1 2 3 and 4 4 Front working lamp switch 0 Front working lamp OFF 1 Front working lamp ON Front working lamp driven 5 Cab rear working lamp switch 0 OFF 1 ON Cab ...

Страница 32: ...itch is set to proper position the corresponding indicator lamp on the instrument will be on 10 Exhaust brake switch 0 OFF 1 ON Exhaust butterfly valve closed EVB starts to work the green instrument indicator is on the operating cylinder works and the engine flames out NOTE The rocker switch with striker has an anti mistrigger function It cannot be moved unless the striker is pulled down and it wi...

Страница 33: ... After the engine stops and the key switch is set to LOCK position turn off the main power switch 2 Key switch Arrange the key switch to the steering column Position Usage Remarks 1 LOCK Power off the vehicle The key can be pulled out at this time 2 ACC Power on consumers when the vehicle is parked 3 ON Driving position 4 START Start the engine Auto reset to ON gear 3 2 6 Combination switch handle...

Страница 34: ...eration When the combination switch handle is set to neutral position key switch to position 3 and rocker switch to position 2 the low beam or high beam will be on At this time lift the combination switch handle upward for 4 and then high beam and low beam will be both on applied for instant lighting for overtaking or meeting lift the handle for another 10 for dimming high beam to low beam or vice...

Страница 35: ...ized glass cleaner instead of plain water or other cleaning agent for windshield washing 3 2 7 Commonly used switch operation 1 Hazard alarm Turn on the main power switch and press down the hazard warning switch and all turn signal lamps and turn signal indicators will flash 2 Horn Button The truck is provided with an electric horn and an electrically controlled air horn both of which are switched...

Страница 36: ...nterior lighting After the battery box switch is turned on and the interior ceiling lamp switch is pushed to one side both the right and left are ok the interior lighting lamp will be on and off as shown in left figure 3 2 8 Seat The seat is designed for construction machinery and mining dump truck The seat top and shock absorber are designed under full consideration of driver s safety and comfort...

Страница 37: ...elieve from the front end of cushion upwards or downwards an appropriate force to lower lift it to the required position and release the handle to lock Range 0 60mm 4 Load weight adjustment rotate front handle forcibly and adjust it appropriately according to the driver s weight The rotation direction corresponding to weight increase and decrease is marked on the handle Range 40 130 kg 5 Backrest ...

Страница 38: ...vibration and the possibility of disengagement will be eliminated and the cab tilting will not be affected 3 2 10 Hand brake valve spring parking brake The hand brake valve is located at the right side of seat The shown brake valve handle is located at BRAKE position Provided the parking brake signal lamp is off the air pressure will exceed 0 55 Mpa the spring brake will get completely loosened an...

Страница 39: ...on the striker of seat belt as shown by the arrow and pull out the latch thus the seat belt will be automatically reset CAUTION Always fasten the seat belt before driving every time Check the seat belt for condition and function on daily basis 2 Radio and tape player abat vent and groceries box bilateral symmetry 3 Cup holder escape hammer and handrail 4 Thermos bottle thermos bottle fire extingui...

Страница 40: ...ce 1 The lower edge of the rearview mirror in terrace is 87 5mm from the upper edge of the bracket The distance between the upper and lower rearview mirrors is 60 5mm 2 Tighten the fixing bolts of the rearview mirror to be reliable 3 When fine tunning the rear view mirror press it upwards downwards leftwards and rightwards 4 When regulating the rearview mirror and the main rearview mirror in terra...

Страница 41: ...rew 4 fixing bolts to regulate them to a proper angle and then tighten thee bolts in place Note When regulate the visual angle of the rearview mirror do not break the rearview mirror with hands if necessary unscrew the fixing bolts to regulate the visual angle and then tighten the bolts or regulate the glass angle 3 3 3 Working lamp The positions of working lamps are shown in Fig 3 27 two at the f...

Страница 42: ...ce between the internal pressure of the cooling system and the atmospheric pressure to increase the boiling point of the coolant The pressure relief valve is particularly essential in plateau area so do not dismantle and replace it at will 3 4 Cab suspension 3 4 1 Front suspension The cab front suspension is applied with the rotating axle together with rubber shock absorber 3 4 2 Rear suspension B...

Страница 43: ...ension and then insert the pin from the rear suspension when the mechanical lock is latched 3 5 Cab tilting 3 5 1 Hydraulic power assisted tiltingassembly for cab As shown in Figure 3 31 3 5 2 Cab tilting operation Figure 3 32 WARNING During the whole process of tilting personnel are strictly prohibited to enter the cab and personnel without fixed duties are strictly prohibited to stay around the ...

Страница 44: ...re insert the ripping bar and swing it up and down so as to turn the cab back WARNING The operation of cab tilting on a slope is forbidden Every time the cab shall be tilted completely In other words the maintenance and overhaul cannot be done unless the cab exceeds TDC When the cab is under tilting nobody is allowed to enter the cab 3 5 3 Oiling and bleeding of tilting system 1 Open the oil plug ...

Страница 45: ... shall be applied Before filling always check the hydraulic oil for cleanness and add some oil if acceptable 3 5 4 Check tilting system function 1 Tilt the cab forward to TDC and check if the cab can fall normally after it exceeds TDC If the system works normally the cab will fall down gradually under resistance without any obvious impact 2 After tilted up for about 30º the cab shall be held at th...

Страница 46: ...itch is set to ON the instrument panels indicate normally 3 Check oil coolant condition of the truck a Check hydraulic oil park the truck on the flat road lift the container continuously for 5 times and then keep it still for 15min At this moment the standard level of hydraulic oil shall be between 1 4 of the level meter and MAX If the oil level is higher than MAX drain oil if it is lower than 1 4...

Страница 47: ...n 50mm drain the fuel if it is lower than 40mm refill the fuel and then tighten the cap with the arrow upwards d Check coolant Start the engine turn on the heater to operate for about 2 minutes At this moment the water temperature of the engine shall be 50 5 and the coolant level shall be between MAX and MIN If it is low refill coolant When the engine is at low temperature add the coolant in two s...

Страница 48: ...brake fluid under the condition that air has been exhausted from the clutch system Refill the brake fluid until the level is between MAX and MIN If it is lower than MIN refill it to standard level 4 Check if there is water inside the air reservoir of exhaust system and drain if any Park the vehicle pull down or push up the drain valve to drain off the water condensed in the air reservoir If any oi...

Страница 49: ...the primary filter to prolong the maintenance interval of air intake system b Check the air filter outlet to the supercharger inlet pipeline for damage and repair or renew it in time when necessary Otherwise serious early wear will occur to the engine c Check the air filter blockage alarm indicator for normal alarming If the air filter is blocked this alarm indicator shall be on At this time alway...

Страница 50: ... turn off the key switch In other words the key switch shall be set and held at ON position driving position 2 Start up Release the hand brake and set the gearshift lever to NEUTRAL position Turn the key switch to START to start the engine CAUTION If the engine cannot get started successfully for the first time set the key switch to ACC and start the engine again The time for each starting shall b...

Страница 51: ... 000 1 200r min and apply partial load Full load operation is allowed only when the outlet temperature is higher than 60 and the engine oil temperature is higher than 50 The load and speed shall be increased gradually to avoid sudden load adding or shedding 3 Oil pressure after start up After the engine gets started observe the pressure value indicated on the oil gauge Meanwhile the oil pressure i...

Страница 52: ...e the intake pressure and increasing the engine power The rotor in the supercharger normally runs at a very high speed about 70 000 100 000 rpm The rotor bearing is forced lubricated with hydraulic oil provided by engine main oil duct The oil supply will be cut off as long as the engine shuts down Precautions during operation a To start the engine run it at idle speed for 2 3 min without depressin...

Страница 53: ... supply immediately however the rotor of supercharger will keep rotating at a high speed due to its inertia thus resulting in quick burnout of rotor shaft bearing and sealing ring because of oil shortage c Before starting the engine which has been withdrawn out of service for a long time always pre lubricate the supercharger by removing the supercharger oil inlet pipe and adding appropriate amount...

Страница 54: ... according to the instructions and the user is conceited for all the consequences of the illegal driving 3 7 1 Start up If the engine is started and the low pressure indicator is on and the buzzer keeps sounding do not release the brake handle to start the vehicle until the inflation pressure reaches 0 55 MPa 5 5 bar low pressure alarm indicator is off and the buzzer stops sounding WARNING Always ...

Страница 55: ...s straight at a low speed equivalent to walking speed can the differential lock be engaged Press down the bogie differential rocker switch When the bogie differential is engaged the bogie differential indicator on the instrument panel will be on WARNING When the vehicle is running always release the clutch before the connection of bogie differential lock 2 Disengagement of bogie differential lock ...

Страница 56: ...ainer lifting Depress the clutch pedal and push the handle in the direction indicated by the red arrow to engage the power takeoff At this moment the parking and power takeoff indicators on the dash board turn on Continuously push the handle to lift the container Note Depress the accelerator pedal engine speed 1 800r h pull up the handle to keep the container lifted or stop lifting by releasing th...

Страница 57: ...rk in the environment below 35 the coolant concentration should be increased appropriately CAUTION The mixture of antifreezes of two different brands is not allowed Before changing the antifreeze thoroughly clean the cooling system Selection of coolant at different freezing points based on local ambient temperature The selection principle is the air temperature is about 10C lower than the freezing...

Страница 58: ...hicle will not be used for a long time and the temperature is low you had better remove the battery and place it in a warm room Check the battery electrode terminal and conductor connection clamp for looseness and the battery for normal working condition every 500 km WARNING Before the battery repair always keep good ventilation Nobody other than professional service personnel is allowed to repair...

Страница 59: ...run at idle speed for 2 3 minutes and the water temperature and the oil temperature drop After parking do not drain the coolant containing anti freezing additive If the coolant contains no anti freezing additive it is necessary to open the water drain valve or water plug on the engine the oil cooler cover the radiator the water inlet pipe and the like to drain the coolant to prevent the engine fro...

Страница 60: ...e up the outer circle matching with the wheel locating hole and final drive housing and apply a few grease 5 Apply a few grease engine oil or other anti seize to the threads of wheel bolts and nuts 6 All wheel nuts have right handed threads To install the wheels pre tighten the nuts diagonally with the wheels suspended lower down the wheels and tighten the nuts to the specified torque Specified to...

Страница 61: ...ngine speed be increased 2 During running in the vehicle shall travel along a relatively even road with good condition 3 Do gearshift in time and engage the clutch smoothly for the avoidance of sudden acceleration and emergency brake 4 Before travelling uphill engage a low gear in time in case that engine runs at a too low speed 5 A new vehicle cannot travel at full speed with full load Always mon...

Страница 62: ...and repair in time 7 The vehicle must experience a run in of 1 500km it might be put into use after the brake interval is readjusted and the fasteners except gelatinizes bolts are rechecked At the completion of running in check and service the vehicle according to first class maintenance in maintenance provisions herein ...

Страница 63: ...MT86H Operation and Maintenance Manual 55 Chapter IV Operation and Maintenance of Main Assemblies ...

Страница 64: ...MT86H Operation and Maintenance Manual 56 ...

Страница 65: ...s appropriate to keep the engine operating properly 1 Change of engine oil Interval Within the limited period mileage of the mandatory maintenance the engine oil should be changed in strict accordance with the period specified in Mandatory Maintenance of 5 2 MT86H mining dump truck while over the limited period mileage of the mandatory maintenance refer to the interval specified in Operation and M...

Страница 66: ...tion turn the key switch to start position 4th gear let the engine idle for a while and after the engine is completed with pre lubrication start and run it at a low speed and check if the oil filter is leaking oil 2 Oil filler Replacement interval In the limited period mileage of the mandatory maintenance the oil filter should be replaced in strict accordance with the period specified in Mandatory...

Страница 67: ...s leaking oil and if any tighten the filter again until there is no oil leaking any more 3 Fuel filter The replacement interval and replacement method are the same with 2 Oil filter 4 Fuel primary filter The replacement interval and replacement method are the same with 2 Oil filter 4 1 3 Routine maintenance and considerations 1 Check the coolant level oil level and fuel level 2 Check if the grease...

Страница 68: ...truction of WD12 Engine for details 4 1 4 Maintenance MT86 engine shall be inspected and maintained at interval specified in 5 1 Interval Mileage of Routine Inspection and Maintenance Refer to Periodic Inspection and Technical Maintenance of Diesel Engine section of Operation and Maintenance Instruction of WD12 Engine for details 4 2 Operation and maintenance of intake system The working component...

Страница 69: ...frequently and clean the coarse filter in the case of clogging 2 Remove and clean the coarse filter carefully every 2 3 months Maintenance steps Remove the fixed points around the bottom cover Remove the bottom cover Clean the dust in the bottom cover and dust collecting duct Install the bottom cover to confirm the sealing performance CAUTION The damaged or ageing seal ring should be immediately r...

Страница 70: ...n the main filter element with clean air below 0 5MPa diagonally from the inside to outside Check the filter element inside and outside and the seal ring for any damage Clean the air filter housing inside and check the inner filter element for damage Place the outer filter element gently back into the filter housing and check whether the outer filter ring comes into contact with the housing Determ...

Страница 71: ...l system 4 3 1 Working principle The clutch control system is hydraulically controlled and pneumatically boosted With the clutch pedal stepped on the drive cylinder push rod pushes the piston to move forward so that the brake fluid which flows along the fluid pipe into the hydraulic control cavity of clutch booster cylinder provides working pressure on the piston and besides serves as control pres...

Страница 72: ...e fluid reservoir is installed directly on the clutch drive cylinder and the brake fluid can be added outside the cab as long as the radiator cover is uncovered 4 3 2 Working parameters 1 Working media compressed air and brake fluid 2 Max working pressure 4 MPa for the brake fluid and 0 85 MPa for the compressed air 3 Working temperature 40 C 80 C 4 Brake fluid as per DOT3 and DOT4 standards 5 Ped...

Страница 73: ...e pressure plate assembly close the flexible lock ring on the clutch pressure plate assembly and install the release bearing and release fork properly Since the transmission has been installed to the engine fly wheel apply a backward force to the release fork at the booster cylinder mounting port pull backward through a flexible rope attached to the upper end of the release fork and as long as a s...

Страница 74: ...tem the effective stroke of the booster cylinder push rod will shorten resulting in an incomplete clutch release as well as gear engagement difficulty To add new brake fluid release the booster cylinder bleed valve fill the fluid reservoir with brake fluid of specified grade replenish brake fluid while stepping on the clutch pedal until it spills out of the bleed valve and tighten the bleed valve ...

Страница 75: ...ke fluid of DOT3 and DOT4 3 To change the brake fluid the residue in the hydraulic system has to be cleaned Then uniformly change the brake fluid of specified grand and same lot The brake fluids of different grades and lots shall not be mixed 4 As the brake fluid is corrosive while discharging air try not to spatter any brake fluid onto human body and vehicle finish 5 Periodically inspect the brak...

Страница 76: ... manual or electric lift for assembling Do not operate it like a racing automobile Educate the driver The clutch slips but the control system operates properly and the regulation is correct Oil leaks from the transmission or the engine Check the oil seal of the engine and transmission carefully If there is oil in the clutch housing replace the oil seal The clutch is shaking at the initial stage of...

Страница 77: ...ess the pedal and the stiffness increases with time The pre load of the release bearing is too small or it is not preloaded The preloaded spring is not installed properly or the self regulator has failed Check all relevant connections thoroughly during the clutch assembling ensure that the clutch cable operates smoothly throughout operation of the clutch check the self regulator always refer to th...

Страница 78: ...the grease to burn because the preload is incorrect Check the clutch cable related connections fork bearing preloaded spring and self regulator systematically Loud noise lasts for a long time Improper regulation causes failure of the release bearing Check the clutch regulator periodically and always refer to the installation manual of the manufacturer for proper regulation The clutch slipping even...

Страница 79: ...r splines are cleaned with high pressure If the hub of the driven disc assembly is nickel plated greasing the input shaft will cause adverse consequences making the lubrication deteriorated and the driven disc hardly slide on the input shaft It is important to refill grease as per instructions when renewing the clutch Shift is difficult and gear is interred during shifting a considerable free trav...

Страница 80: ...uck There is no grease at connections When replacing the clutch pay special attention to the condition and lubrication of the operating system In case of any irregular wear mark on any part replace it Avoid excessive grease which may cause contamination of the friction plate When the operator depresses the pedal harsh noise occurs and the pedal is abnormally rigid which may cause the clutch jitter...

Страница 81: ...ng is insufficient causing the clutch being disengaged incompletely When replacing the clutch pay special attention to the condition and lubrication of the fork In case of any irregular mark or unsmooth movement replace the parts The clutch system must be regulated in accordance with the maintenance manual of the manufacturer ...

Страница 82: ...izes the gearshift via sliding sleeve and then the power transmission through the engagement of the external and internal splines on the gear with the sliding sleeves The transmission is applied with two parallel countershafts of same structure spaced from each other by 180º The power inputted from the input shaft is diverted to the two counter shafts and finally outputted via the output shaft aft...

Страница 83: ...he output shaft the needle bearing is not required any more and the radial forces applied by the two countershafts to the output shaft are offset so that the output shaft only bears the torque without bending moment and the stressing condition of output shaft and bearing is improved substantially enhancing the reliability and durability of the transmission 4 4 2 Main performance parameters The max...

Страница 84: ...mm and it is applied within the temperature range of 40 C 100 C b The flexible shaft is connected with the gear shift rocker and the following requirements should be met 1 An included angle of 90 degrees is reserved between the flexible shaft and the rocker 2 The guide sleeve and protective pipe joint of the flexible shaft as well as the pull push rod at spatial positions must be in line c The gea...

Страница 85: ...n as above f The adjustment of flexible shaft is detailed as follows If after the assembly is done the gears at the front row cannot be engaged properly during the running in period unscrew the nut or nut and anticlockwise rotate lengthen the spherical hinge or spherical hinge properly On the contrary if the gears at the rear row cannot be engaged properly unscrew the nut or nut and clockwise rota...

Страница 86: ... close the PTO switch When the PTO has gotten the gear engaged release the clutch slowly allowing the PTO to come into work 2 Transmission Operate the transmission reasonably and properly and maintain it periodically which are very important to ensure a safe and reliable driving and an extended transmission life so please follow the operational requirements below a Lubricating oil grade The transm...

Страница 87: ...ng but be inspected only with a steady oil level and an oil temperature close to the normal temperature d Oiling In order to prevent the lubricating oils of different types from chemical reaction always replenish with the lubricating oil of the same type with the original one It is strongly recommended to use the lubricating oil approved by LGMG e Lubricating oil change interval In replacing the l...

Страница 88: ...working temperature more than 120 C may decompose the lubricating oil and shorten the service life of the transmission g Dragging or sliding While the transmission is working its countershaft drives the oil pump to run and with the splash lubrication it can be lubricated completely However in the case that the truck is dragged with the rear wheel grounded and drivetrain connected the auxiliary and...

Страница 89: ...al injury or equipment fault and damage please operate the transmission in accordance with the specified procedures Before driving sit in the driver s seat set the gearshift lever at N and pull down the parking brake lever To leave the cab before the truck starts or while the engine is running set the gearshift lever at neutral and lock the wheel using parking brake To leave the cab before the tru...

Страница 90: ...limit immediately after the PTO switch is pressed and release it after the PTO works as normal To operate PTO step on the clutch pedal to the limit immediately after the PTO switch is pressed and release it after the PTO works as normal 4 5 Operation and maintenance of front axle 4 5 1 The front steer axle and intermediate and rear drive axles The front axle of the MT86 mining dump truck is a two ...

Страница 91: ...2 Operation and maintenance of front axle 1 Operation of front axle Warning It is prohibited to continue operating when the axle has failed It is prohibited to disassemble the truck when the axle has failed It is prohibited to change the axle structure a Reminder It is recommended to replace with accessories from Lingong Group Jinan Heavy Machinery Co Ltd Check and maintain the axle at specified i...

Страница 92: ...bolts and apply grease oil or other thread paste to the threads of the wheel bolts and wheel nuts before installation Tighten the wheel nuts diagonally and evenly and after each re assembling of the tire the tire nut must be re tightened after 50 km of travel c Precautions for operation of brake shoe friction plate When the vehicle has run for the first 5 000km check the thickness of the brake sho...

Страница 93: ...running repair it if any leakage Check the brake performance and brake return condition The brake clearance shall be between 0 7 and 1 2 mm In case of improper brake clearance or poor brake return check and regulate immediately Check if the regulating arm and the camshaft are jammed If so refill grease immediately to ensure that they rotate flexibly Refill grease to the grease nozzle of the master...

Страница 94: ...components outside the axle are loose and fasten them Check and regulate the brake clearance which shall be between 0 7mm and 1 2 mm c Periodic maintenance The periodic maintenance shall be carried out every 20 000 km or 1 year after the first maintenance The periodic maintenance items are listed as follows Repeat the first maintenance items Lubricate the brake shoe pin and the brake roller Check ...

Страница 95: ... and maintenance of drive axle 1 Operation of axle Warning It is prohibited to continue operating when the axle has failed It is prohibited to disassemble the truck when the axle has failed It is prohibited to change the axle structure a Reminder It is recommended to replace with accessories from Lingong Group Jinan Heavy Machinery Co Ltd Check and maintain the axle at specified interval b Precaut...

Страница 96: ... the wheel bolts and keep the mating surface between the brake drum and the rim and the clamping surfaces of the wheel nuts free from paint grease and other dirt apply grease oil or other thread paste to the threads of the wheel bolts and wheel nuts before installation Before mounting the wheel clean the outer circle between the wheel rim positioning hole and the wheel rim reduction shell firstly ...

Страница 97: ... and 1 2 mm and the clearance between the upper and lower drums and shoes shall not be greater than 0 3 mm The friction plate for each axle shall be special accessories from Lingong Group Jinan Heavy Machinery Co Ltd 2 Maintenance of axle a Routine maintenance Check if the wheel nuts and the oil plug are loose and fasten them before the truck running Check the axle for oil leakage before the truck...

Страница 98: ...r the grease has been drained unscrew the filler plug of the axle refill the grease as required in Table 1 tighten the filler plug Refill grease to the grease nozzle as required If it is difficult to refill grease check it immediately and stop operating Check if the connecting bolts between components outside the axle are loose and fasten them Check and regulate the brake clearance which shall be ...

Страница 99: ...brake roller Check the friction plate wear degree The thickness of the friction plate shall not be less than 8mm Replace it if it is less than 8mm Note After maintenance the user needs to check the oil level of the grease every additional 5 000km or two months and refill it at any time Mixing of grease of different qualities is prohibited When performing inspection and maintenance stop the engine ...

Страница 100: ...It is necessary to replace the thrust rod repair kit after the truck has run for 4 months 20 000km The user will bear consequences of vehicle failures due to thrust rod out of limit Caution It is necessary to replace the leaf spring seat wear block after the truck has run for 4 months 20 000kmM Caution 1 When the clearance between the guide cover plate and the leaf spring is 3mm it is necessary to...

Страница 101: ...hall immediately perform the first re inspection of the thrust rod bolts and re tighten bolts every 500 hours 5 000km after 4 level maintenance 2 Push rod bolt re tightening table Application Specification Tightening torque Nm Front push rod bolt M20 690Nm Upper lower thrust rod bolt M27 1000Nm Transverse thrust rod bolt depending on actual truck configuration M24 900Nm 4 6 1 Front suspension syst...

Страница 102: ...ube or insufficient grease Replace the shock absorber or refill grease shock absorber stop block and front push rod 1 Specifications of fasteners Application MT86H Specification Tightening torque Nm Front spring U bolt and nut M24 750 50 Spring bracket fixing bolt and nut M18 1 5 373 37 Wear resistant block fixed screw M12 1 25 85 8 Shock absorber upper bracket fixing bolt and nut M12 1 25 85 8 Sh...

Страница 103: ...o longer in harmony with others or vehicle out of control which would cause unnecessary personal injury and property loss 3 Fault diagnosis The faults in front suspension system may be relating to multiple systems including steering gear front axle tires wheels etc When abnormal conditions occur during driving such as noise running deviation vibration and abnormal damage stop the vehicle immediate...

Страница 104: ...and maintenance a Leaf spring plate and clip should be replaced in time These components are prone to be damaged under overload and severe road conditions Once damaged parts are found replace or repair them immediately otherwise it may lead to major accident b Leaf spring stop bolt should be checked and lubricated timely so as to ensure normal operating of suspension system c Bolts nuts and leaf s...

Страница 105: ...ng the service life of the seat f If resistance is insufficient or any sound occurs due to insufficient oil or leakage of telescopic shock absorber immediately repair or replace it otherwise comfort of the truck will be greatly degraded and even serious accidents may occur 4 6 2 Rear suspension system The rear suspension system mainly consists of reinforced integral balance shaft parallel semielli...

Страница 106: ...nd install the balance shaft housing cover Assemble it according to the above procedures Crack in bearing Replace the whole set of bearing and adjust the bearing clearance to prevent bearing from breaking again due to local stress of bearing caused by axial transmission of shaft housing Assemble it according to the above procedures Application MT86H Spec Tightening torque N m Rear spring bolt and ...

Страница 107: ...l has already been justified by vehicle performance test Modification without approval may lead to major fault and loss 3 The balanced suspension assembly is rubber maintenance free balanced suspension The disassembly and assembly process is as follows a Disassembly of the suspension Unscrew the fastening bolts successively and evenly with an air wrench to separate the bearing block from the balan...

Страница 108: ... or inside the rubber bearing to reduce the resistance of mounting the balance shaft casing and rubber bearing into the balance shaft Mount the balance shaft casing and rubber bearing into the balance shaft It is required to horizontally move them into the balance shaft and the balance shaft casing can be properly rotated to ensure successful assembly The mounting surface of the spring of the bala...

Страница 109: ...he user needs to repeat the fastening for many times It is recommended to fasten the bolts alternately with a torque wrench after the bolts are fastened to a certain degree when the fastening effect of air wrench is not clear until the torque of the 7 bolts all reaches 540 600 N m 4 Service and Maintenance a Frequently check the following parts check upper lower push rod and the connecting bolts f...

Страница 110: ...e to the suspension of this model which would lead to unnecessary fault and loss c Paint lubricating grease around the leaf spring and the sliding plate every 8 000 to 10 000km Use the adjusting shim to adjust the clearance between guide plate and leaf spring to be 0 1mm d The normal wear limit life of guide plate and slide plate seat is half a year If they are in serious wear replace them immedia...

Страница 111: ...h adjustable height and angle The diameter of steering wheel is Φ480 mm As shown in Figure 4 34 the steering wheel 1 is mainly composed of a rim a spoke and a hub The lower part is in wave shape to facilitate the driver grip The steering wheel 1 and the steering drive axle 5 are generally splined and the ends are fixed with nuts The steering drive shaft 5 passes through the steering column 4 with ...

Страница 112: ...stem principle The steering pump is a vane pump The engine is directly connected with a power takeoff at the position of engine power take off and keeps running The steering pump sucks oil from the hydraulic oil tank and outputs high pressure oil to a pilot valve P opening The pilot valve has following 5 openings P EF CF and Ls Excessive hydraulic oil of the steering system returns to the oil tank...

Страница 113: ...ty of the right steering cylinder Both oil cylinders operate jointly to drive the front wheels When the steering wheel moves slowly or does not operate most of the hydraulic oil from the steering pump returns to the tank via the pilot valve EF opening The pilot valve T opening is connected with the oil return opening of the hydraulic oil tank The steering gear has following five oil openings P R L...

Страница 114: ...nspection pay attention to the scale on the oil level gauge When engine is running the hydraulic oil level is even with the central scale of oil level gauge when engine does not work the hydraulic oil level will be a little higher than the central scale b It is required to change hydraulic oil for a new vehicle after it runs 2500km and meanwhile clean the filter element Change hydraulic oil every ...

Страница 115: ...y oil change When the oil filter is filled with hydraulic oil run the engine at idle speed turn the steering wheel left and right for several times and at the same time keep supplementing oil till the oil level does not lower and is within the range and no bubble appears CAUTION The machine as delivered uses L HM32 hydraulic oil The users can change to the L HM46 hydraulic oil It is strictly prohi...

Страница 116: ... Important connected positions and tightening torque requirements Name Spec Torque Nm No of places Steering wheel fixing nut M22 1 5 580 58 1 Steering gear fixing bolt M10 35 48 4 4 Booster cylinder bracket bolt M16 45 220 22 6 Drag link lock nut M12 1 5 85 8 2 ...

Страница 117: ...ipe 3 Replace sealing ring and tighten connectors 4 Use oil properly Oil spillage from oil tank 1 Level is too high 2 Oil inlet is blocked 3 Oil pump is worn 1 Adjust it 2 Dredge oil passage 3 Replace it Hard steering reversal 1 Tire pressure is insufficient 2 Air invades into oil passage 3 Oil return hose is twisted and blocked 4 Steering valve is jammed 5 Steering gear is too tight 6 Connection ...

Страница 118: ...rift 1 Air invades into oil passage 2 Oil level of oil tank is too low and oil pump sucks air 3 Steering system connections are loose or worn severely 4 Flow of oil pump is too low 5 Steering gear control clearance is large 6 Steering gear mounting bolt is loose 7 Tire pressure is insufficient or pressure of tires on both sides differ 8 Tire is worn severely or wear is uneven 1 Identify leakage an...

Страница 119: ...essure is 0 8 Mpa and the disconnection pressure of pressure regulating valve is 0 85 Mpa The first circuit acts on wheels of middle and rear axles and the second circuit acts on the wheels of front axle Once the pressure in one of air reservoirs of the two circuits is below 0 55 Mpa the low brake pressure warning indicator on instrument panel will light up and at this moment it is required to sto...

Страница 120: ... from engine for auxiliary brake When driving down a long slope be sure to use the exhaust brake In case of running on icy or muddy road the use of exhaust brake can reduce the risk of side slide In the event of meeting other vehicles or passing through poor road it is better to use the exhaust brake to accelerate The use of auxiliary brake can reduce the times of applying main brake which will re...

Страница 121: ...king brake can be realized by operating the hand brake valve handle When brake system is in failure relying on the push of energy storage spring the emergency braking can be realized automatically Only when the pressure in brake system is above 0 55 Mpa and the parking brake indicator goes out can spring braking be released Apply Pull the handle At the same time the parking brake indicator on inst...

Страница 122: ...ping vehicle be sure to pull down the hand brake valve handle Before starting the engine be sure to place the hand brake valve at braking position otherwise after the engine starts the parking brake will be released automatically due to pressure rising in system Before parking brake indicator goes out do not start the vehicle Under certain conditions the braking force of parking brake may be insuf...

Страница 123: ...lation joint Due to the installation of combined air drier the pressure regulating valve is integrated with the air drier and the inflation joint is installed at the air drier outlet Connect the joint to an inflation hose to inflate tires and supplement air to air pipes of the vehicle from outside air source 4 8 6 Inspection and replacement of dryer The dryer is able to continuously and effectivel...

Страница 124: ...rying cylinder clean the connecting bolt and the valve body 2 uniformly apply one pass of grease onto the sealing and matching parts between the new drying cylinder and the valve body and apply little thread locker onto the matching part between the new drying cylinder and the connecting bolt 3 Screw the new drying cylinder onto the valve body to the maximum torque of 15NM 4 8 7 Maintenance of bra...

Страница 125: ...ng brake valve handle to make the vehicle in parking brake state When applying the brake note the following 1 When applying the brake except for emergency conditions do not quickly depress the brake pedal hard to the bottom and keep depressing it which may cause personal injury or lead to component damage 2 Avoid continuously depressing the brake pedal in a short time and for many times so as to p...

Страница 126: ...s condition run the vehicle at a low speed and gently depress the brake pedal for several times to drain water so that the brake can work normally 6 When the vehicle is running if the low pressure warning indicator of brake system lights up it is required to stop the vehicle find out the causes and do troubleshooting 4 8 9 Parking 1 After stopping the vehicle do not shut the engine off immediately...

Страница 127: ...p slope If there is no alternative besides applying parking brake choke the wheels with wooden wedge In addition engage the transmission in 1st gear when parking the vehicle on uphill and engage the transmission in R when parking the vehicle on downhill After the vehicle runs for some time the exhaust pipe is hot so do not park the vehicle next to flammable material When having a nap in the vehicl...

Страница 128: ... long slope apply the brake once or more to check if it is normal 4 When shifting to a low gear be sure to inspect and view the speedometer to determine vehicle speed and use tachometer to inspect and view the speed of engine 5 To reduce wear and heat caused by braking before travelling down a steep or long slope first reduce vehicle speed and then select a lower gear 6 When driving uphill if the ...

Страница 129: ...iny road 1 When driving on rainy road control the vehicle speed It is preferred that the speed not be higher than 35km h 2 When driving in rain water may enter the brake drum which will affect braking effect Therefore slightly depress the brake pedal at times to check braking effect 3 Avoid sudden braking and sharp turning otherwise the vehicle may be subject to side slide and drifting which will ...

Страница 130: ...ance Manual 122 lamps of vehicles running in front 2 In case of heavy fog stop driving park the vehicle at a safe area and meanwhile turn on the hazard warning switch to make the left and right turning lamps flash simultaneously ...

Страница 131: ...r chamber is damaged If there is no problem with the above valves depress the brake pedal If the brake air chamber 11 opening is smooth but the brake air chamber push rod cannot be pushed out replace the brake air chamber 2 Parking brake can not be release System pressure is insufficient Start the truck without stalling until the barometer indicates 0 85 MPa make it stall for 10 minutes If the pre...

Страница 132: ...and differential lock solenoid valve inlet has no air causing stalling failure System pressure is insufficient Start the truck without stalling until the barometer indicates 0 85 MPa make it stall for 10 minutes If the pressure drops by more than 0 15MPa the pipeline may leak or the air chamber may be damaged Check the pipeline and the air chamber Pressure in 21 opening and 22 opening can not be i...

Страница 133: ...sor magnetic clutch is supplied by the vehicle and the condenser is cooled by water tank fan The adopted refrigerant is R134a which is of environment friendly fluorine free type 1 Control panel and display content as shown left The air inlet modes are in a circulation of selection The air outlet and defrosting air outlet modes selection are a circulation of head blow feet blow feet blow defrosting...

Страница 134: ...alve in front of the evaporation tank enters the evaporation tank in the form of fog absorbs the surface temperature of the evaporator core to make it cool Heat exchange occurs when the hot air sucked by the air blower passes through the evaporation tank it turns into cold air and enters the cabin from the air outlet Heating A heater box is arranged in the evaporation tank which is also referred t...

Страница 135: ...system can adjust the air volume based on your setting temperature You can also manually set your desired air volume Air volume is classified into 9 classes When you press the air volume key the air volume will be adjusted gradually 3 Use of hot air Caution Please turn off the heater water valve switch before shut down the heater unit When the temperature is too low the temperature of the cab can ...

Страница 136: ...tion In the following circumstances internal recirculation can be used for a short time In hot weather to quickly reduce the inside temperature In cold weather to quickly increase the inside temperature The worse outside air quality such as much dirt and bad smell 4 9 3 Precautions for operation 1 Regularly do maintenance for A C system 2 Wipe panel with a soft dry cloth Wet cloth or hard material...

Страница 137: ...that a fault occurs in the system please go to an authorized service station to have an inspection and repair by professional service personnel 6 The A C intake paper filter core should be cleaned and replaced according to specific operation conditions 7 In the season that A C is not used start the refrigeration system of A C 2 3 times every month 10 min per time The purpose is to prevent poor sea...

Страница 138: ...joint for leakage and check clamps for looseness Change drying agent and replace filter Refrigeration oil Change with corresponding grade refrigeration oil Compressor unit Shaft seal Check oil leakage mark with white paper Belt Tighten it with tension pulley and check it for wear Bolt overhaul Check bolts for looseness Do a fully inspection and refitting if necessary Evaporator condenser Evaporato...

Страница 139: ...ses Solutions 1 High pressure is low System leaks Do leakage detection and repair Air return valve is closed Open it There is a lack of refrigerant Add refrigerant The air return valve of compressor leaks Replace the valve The leaf valve of compressor is damaged Replace it 2 High pressure is too high There is air in the system Refill the system with refrigerant The condenser is blocked Clean the c...

Страница 140: ...Hot air enters cab Close the door from which hot air comes There is a lack of refrigerant Add refrigerant The high pressure is too high Refer to 2 The return pressure is too low Refer to 3 The return pressure is too high Refer to 4 The thermostatic switch is in failure Replace the thermostatic switch 7 Evaporator coil gets frozen The adjustment of thermostatic switch is inappropriate Adjust it to ...

Страница 141: ...oose or in short circuit Do troubleshooting The rotor shaft is bending Replace it The controller resistor is burnt out Replace the resistor The voltage is insufficient Check the alternator Check the fixing screw of blade Tighten the screw 11 Hose or joint leaks Joint leaks Repair or replace it Hose leaks Replace the hose ...

Страница 142: ...MT86H Operation and Maintenance Manual 134 ...

Страница 143: ...MT86H Operation and Maintenance Manual 135 Chapter V Maintenance ...

Страница 144: ...MT86H Operation and Maintenance Manual 136 ...

Страница 145: ...k Period Material code Material name Specification Unit Qty Remarks 100h The actual work ontime dose not include transit time 2 000 km 4110000001390 Oil filter 612630010239 Piece 2 Weichai WD12 420 5301000010 Diesel engine oil CF 4 15W 40 L 27 4110001117322 Fuel Coarse Filter Element 1000424916 Piece 1 4190002286 Fuel oil filter 1000442956 Piece 2 500h 7000 km 4110000001390 Oil filter 612630010239...

Страница 146: ...0h 17000km 4110000001390 Oil filter 612630010239 Piece 2 Weichai WD12 420 5301000010 Diesel engine oil CF 4 15W 40 L 27 4110001117322 Fuel Coarse Filter Element 1000424916 Piece 1 4190002286 Fuel oil filter 1000442956 Piece 2 4110001276 Air filter 1000267954 Piece 1 Air filter assembly 5301000010 Diesel engine oil CF 4 15W 40 L 2 4 Balance shaft 4120001743 Return oil filter element SJX 500 10 Piec...

Страница 147: ...attery electrolyte level 4 Check the air pressure and state of tires 5 Check liquid levels of the engine oil coolant and traversing mechanism hydraulic oil 6 Discharge water from the air reservoir 5 3 2 Cleaning and inspection of transmission system parts 1 Cleaning The parts surface of each assembly of transmission system might be stuck with dirty oil and sludge so cleaning parts is indispensable...

Страница 148: ...wear limits should be replaced before they exceed the limits All the parts should be carefully inspected by visual observation or infrared inspection If the following anomalies are found by visual observation this part can be repaired or replaced as required Caution For all the seal rings such as O shape ring oil seal seal washer once dismounted they are required to be replaced and should not be r...

Страница 149: ... filter maintenance indicators Clean dust collecting cup of air filter Clean main filter element of air filter Once every 250 hours Replace safety filter element of air filter Whenever replacing the main filter element Check supercharger bearing clearance Wire harnesses of electrical components and electrically controlled system Once at the interval of 250 hours Transmission Check oil level of Tra...

Страница 150: ...ace grease for wheel hub Center axle Check oil levels of main reducer and wheel reducer Check bogie differential Whenever doing the 1 st class inspection and the 2 nd class maintenance Replace lubricating oil for main reducer and wheel reducer at least every year Rear axle Check oil levels of main reducer and wheel reducer Replace lubricating oil for main reducer and wheel reducer at least every y...

Страница 151: ...ct connection and wearing of propeller shafts Once every 100 hours Cab Check actions of wiper Re tighten locking handle of cab Re tighten heat dissipation shield of engine Check oil level of cab tilting manual oil pump Check adjustment of lifting cylinder Chassis Check fixation of towing hook Re tighten crossbeam bolts Tighten U bolts and brackets of front rear leaf springs Check and adjust cleara...

Страница 152: ...enance Chassis Check fixation of fuel tanks Brake system Drain air reservoir Check tightness of air pressure system via barometer Check thickness of friction lining and adjust clearance of brake Clean wheel brake Check positions of brake pipelines and hoses that can be easily scratched Check functions of brake chamber Check performance of foot brake hand brake and exhaust brake during commissionin...

Страница 153: ...y and appearance is clean Check before each trip Check clearance between retarder rotor and stator Once every months Check retarder oil seal bearing lubrication status manual switch function relay wiring and contact status Once every months Check axial movement clearance of retarder Once every months Electrical system Check working conditions of electrical system signal lamp headlamp height lamp w...

Страница 154: ...rrectness of speed displayed in electronic tachometer Steering system Replace steering oil 20000 25000km Check and adjust front wheel alignment Check functions of steering system Check clearance of steering lever Check bolts joints and locking pieces of steering levers Lifting system Check for wear of oil pipe Once every day Check oil level in hydraulic oil tank and level meter Once every day Chec...

Страница 155: ... day Check for looseness of bracket bolts of oil tank and oil pump Once every week Check if limit valve operates properly Once every week Replace oil return filter element and air filter element Once every six months Check lifting angle Check tightness of gas circuit Check hydraulic oil Once every six months Complete truck Short distance commissioning include brake test Visually inspect leakage Ch...

Страница 156: ...cation Clutch release bearing Clutch fork shaft Universal joint Steering kingpin front axle Leaf spring pin Once every 10 hours Inspection of clearance of baffles at balance suspension leaf spring side Once every 10 hours Lower bracket of shock absorber Transmission manipulator Brake camshaft and brake arm Towing hook Door hinge of cab Re treat the cab against rust as planned Once at the interval ...

Страница 157: ... 140 Ambient temp 26 Heavy duty vehicle gear oil GL 5 80W 140 Transmission 23L Hydraulic oil L HM46 hydraulic oil GB11118 1 L HM32 hydraulic oil GB11118 1 135L Hydraulic oil tank L HV32 hydraulic oil GB11118 1 0 5L Cab tilting system Fuel Ambient temp 4 C 0 light diesel GB252 Ambient temp 5 C 10 light diesel GB252 Ambient temp 14 20 light diesel GB252 Ambient temp 29 C 35 light diesel GB252 530L F...

Страница 158: ...domestic oil Grade of similar foreign brand oil CALTEX MOBIL SHELL CASTROL ESSO Hydraulic oil L HM46 Hydraulic oil L HM32 RANDO OIL HD32 RANDO OIL HD46 DTE 24 DTE 25 Tellus 32 Tellus 46 Hyspin ZZ 32 Hyspin ZZ 46 Nuto H 32 Nuto H 46 3 Gear oil drive axle oil Grade of domestic oil Grade of similar foreign brand oil ranked as per US API GL 5 CALTEX FUCHS MOBIL ESSO SHELL Heavy duty vehicle gear oil G...

Страница 159: ... 1 Lubrication requirements 2 List of categories of lubricant Note The contents shown in this lubrication scutcheon are the data under normal working conditions and temperature Customers can make adjustments according to difference of working conditions and temperatures ...

Страница 160: ...MT86H Operation and Maintenance Manual 152 3 Lubrication diagram ...

Страница 161: ...MT86H Operation and Maintenance Manual 153 Chapter VI Annex ...

Страница 162: ...LED 24V3W 27W 2 Indoor illumination lamp 24V10W 10W 1 6 2 List of quick wear parts of electrical system No Code Name Qty 1 4130000007 Pressure switch YK M10 1 0 3MPa K 1 2 4130000006 Pressure switch YK M12 1 5 0 55MPa B 1 3 4130000250 Head lamp right 1 4 4130000249 Head lamp left 1 5 4130000420 ELECTRICAL PRESSURE SENSOR LG9130773001 2 6 4130000309 Ignition lock assembly LG751 1 7 4130000308 Combi...

Страница 163: ... air reservoir Exhaust brake button valve Exhaust brake Oil cutoff Two way check valve Front axle chamber Front axle chamber Front 50 L Central 50 L Parking 30L PTO Air horn Solenoid valve Auxiliary 30L Overflow valve Hydraulic lifting valve Auxiliary module Bogie differential Centr al 50 L Middle axle chamber Rear axle chamber Service relay valve Parking relay valve ...

Страница 164: ...MT86H Operation and Maintenance Manual 156 6 4 Principle of hydraulic system Engine Take power device ...

Страница 165: ...157 6 5 Schematic diagram of electrical system ...

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