LGMG MT86H User manual

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OperationandMaintenanceManual
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MT86H
Off‐HighwayDumpTruck 
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WARNING
Before 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.
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LINGONGGROUPJINANHEAVYMACHINERYCO.,LTD
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MT86HOff‐HighwayDumpTruckOperationandMaintenanceManual
880*1230mmsextodecimo8printedsheet
3rdedition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 

MT86HOperationandMaintenanceManual
I
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Contents
Foreword ....................................................................................................................IV
Chapter I Safety...........................................................................................................1
1.1 Basic precautions...............................................................................................3
1.2 Operation precautions........................................................................................4
1.3 Other precautions ..............................................................................................5
1.4 Notices&signs and their pasting 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

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3.8 Operation at low temperature environment.....................................................49
3.9 Wheel replacement and tire pressure ..............................................................51
3.10 Running-in of new vehicle............................................................................53
Chapter IV Operation and Maintenance of Main Assemblies...........................55
4.1 Operation and maintenance of engine.............................................................57
4.2 Operation and maintenance of intake system..................................................60
4.3 Operation and maintenance of clutch control system.....................................63
4.4 Operation and maintenance 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 mining off-highway off-highway
dump truck...........................................................................................................137
5.3 Key points of maintenance............................................................................139
Chapter VI Annex....................................................................................................153
6.1 List of bulbs...................................................................................................154
6.2 List of quick-wear parts of electrical system ................................................154
6.3 Schematic diagram of brake..........................................................................155

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6.4 Principle of hydraulic system........................................................................156
6.5 Schematic diagram of electrical system........................................................157

MT86HOperationandMaintenanceManual
IV
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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.

MT86HOperationandMaintenanceManual
V
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! WARNING 
● Only the specially trained personnel with corresponding qualifications are
allowed to operate and maintain the truck.
● Incorrect operation, maintenance and repair are dangerous, and may lead to
personal injury.
● Before operation, maintenance or repair, 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 specification but not prohibited, always make sure that this operation will not
hurt you or other people.

MT86HOperationandMaintenanceManual
VI
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SafetyAttentions
Operatorsshouldunderstandandfollowprevailingnationalandlocalsafetyregulations.Incaseof
norelevantnationalorlocalregulation,safetyattentionsinthismanualwillbeapplicable.
Mostaccidentsarecausedbyfailureoffollowingregulationsonmachineoperationand
maintenance.Toavoidaccident,pleaseread,understandandfollowallwarningrequirementand
notesinthemanualandonthemachinebeforeoperationandmaintenance.
DetailsofsafetymeasuresareexplainedinChapterI"Safety".
Sinceitisunabletopredictallpossibledangers,therefore,safetyexplanationinthemanualandon
themachinemaynotincludeallsafetyprecautions.Incaseofusingstepsandoperationinthis
manual,itshouldbeguaranteedthatboththeoperatorandothersaresafeandtheoperation
wouldnotdamagethemachine.Iftheoperationsafetyisuncertain,please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inanycircumstance.
Cautionsignalsbelowareusedtoindentifysafetyinformationinthemanual.
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! DANGER - If the situation classified as “DANGER” is not avoided, serious injury
or casualties is likely to occur. This word can also be used when the machine may
be seriously damaged if the possible hazard is not avoided.
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! WARNING - If the situation to be warned is not avoided, serious injury or
casualties may occur. This word can also be used when the machine may be seriously
damaged if the potential hazard is not avoided.
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! CAUTION – If the situation to be noticed is not avoided, minor or moderate injury
may occur. This word is also used when the machine may be damaged or the service life
shortened if the potential hazard is not avoided.

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ChapterISafety

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