JINMA SERIES TRACTOR OPERATION MANUAL

JINMA-200

JINMA-204

JINMA-250

JINMA-254

JINMA-300A

JINMA-304A

MAHINDRA YUEDA (YANCHENG) TRACTOR CO.,LTD.

Preface

Jinma series wheeled tractors （、、、、 JM-200JM-204JM-250JM-254M-

、）

300AJM-304A are small four wheel tractors of new type , which are developed according to the increasingly rising demands of dometic and overseas agricultural machinery for small new wheeled tractors . The tractors have the characteristics of saving energy , high efficiency , varied purpose ,beautiful appearance . If you buy them , you will get satisfactory economic profit from them .

Jinma series wheeled tractors respectively adopt vertical and energy saving

，， diesel engine of 2025 30Hp as their power ;they employ direct gears transmission between engine and transmission system . Jinma tractors have many types for you to choose . They not only have single stage clutch and dual stage clutch types , but also have two wheel and four wheel drive types .They also have creeper device for you to choose if you want your tractors to conduct ditching operation . They have perfect hydraulic suspension system in performance , wide thread driving tyres of good adhesive force and low pressure and reliable (crankpin type and circulating ball type) but also have hydraulic steering gear , the users can choose either of them . The products are featured by their favourable power ,relatively hight traction force , compact contruction , high transmission efficiency ,easy operation , convenient repair and maintenance ,economical oil consupmtion ,easy attachment of implements and good compreshensive usage .

In order to help the customers master the Jinma series tractors' operation , adjustment and maintenance , and prolong their service life , make the best possible use of them and obtain ideal economic profit ,we compile the operation manual ,With regard to the operation and repair and maintenace , Please consult the operation manuals of the diesel engines .

With the development of science and technology and varying in requirement of customers , the tractors are subject to improvements and perfection in their in their constructions which will be written about in next editions of the manual . Therefore , users of tractors are required to pay attention to where the manual differs from the actual tractors .

Precautions

1.Drivers should read the operation manual carefully and be familiar with the performance, operation and maintenance of the tractor. Otherwise we will not be responsible for any quality problems caused by improper operation.

2. Never fill the fuel tank with unfiltered or un-precipitated fuel.

3. New tractors must undergo running according to the regulations before they are put into use.

4. It is prohibited to turn sharply with one-side braking while tractor runs at high speed in order to avoid overturning or parts damage.

5. Bolts or nuts of wheel disc and of other important parts should be checked regularly and be tightened if they are loose.

6. During transferring the tractor with a mounted implement, it is not allowed to drive the tractor at high speed in order to avoid damaging hydraulic lift system and suspension system.

7.After operation at the area of below 0 in winter, the water should be drained out at idle speed in order not to freeze and damage the tractor parts (not including antiicing fluid).

Ⅰ ChapterMainSpecifications

Steeringgear

DifferentialClosedwith2planetarybevelgears

Hydraulicsteeringgearmaybechosenforallmodels

Hydraulic systems

ModelJM-200JM-204JM-250JM-254JM300AJM304A

TypeHalfremote

HydraulicpumpCBN-E306

Hydrauliccylinder × Horizontal single− acting type 63100(mm)

DistributorSlidevalveregulatingtype

SafetyvalveDirect-actingtype × Ratedliftingcapacity(Nmm) × 3600610 × 3900610 × 4200610 × 4200610 × 5000610 × 5000610

Safetyvalvereleasepressure(MPa) ～＋ 16(01.6) rearmounted-pointhitchcategory

Power-take-offRearP.T.Oshaft ， Nonindepender540r/minorsemi-independent540r/mindualspeed(540r/min,1000r/min)canbechosen

System12V,negativepoleconnectedwithiron,singlephasecircuit

Electrical equipments andgauges

Starter 、 12V2.5kWor3.0kW

Generator14V350W

Battery6-Q(A)-80,80A·h

Electrical equipments andgauges

ModelJM-200JM-204JM-250JM-254JM300AJM304A

Ammeter ＋（）-30~0~30A

Oilpressuregauge （） 12V0~0.5MPa

Watertemperaturegauge ℃ 12V(40~100) pressuregauge0~1.0MPa

HeadlampND118-80T,20/8W12V

RearlightWD115-2,20/8W.12V

DirectionlightFT12,8W.12V

ElectrichornDL87-12

Fueltank191919192424

Engineoilsump5

Frontdriveaxle4.5/666

Mainfilling capacity(L)

Transmissionbox111411141114

Lifter914

Steeringgear0.4

Coolingwater10or12