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304G2

 SERIES TRACTOR OPERATION MANUAL 

59 

front axle arms

left and right front wheel housings

Checking point 

Engine dipstick 

Rear axle housing dipstick, 

Dipstick on left half shaft housing of front wheel drive axle

Checking plug on the cover of air pump

Oil outlet,      

Bottom of engine sump, 

bottom of rear axle,

bottom of air pump

   

bottom of front drive center housing, and

bootom of left and right retarder housing. 

5.2 Periodic Service 

According to accumulated working hours, technical maintenance of 

G2

 series tractor 

should be operated every 10h, 50h, 200h, 400h, 800h or 1600h. 

Details of the engine’s maintenance can be refered in the manual of engine.  

5.2.1

 

10h

 

maintenance

 

1

 

Engine 

Check the liquid level of engine sump

refill them if they are insufficient

and

make sure the level will be between the middle notch and the topper notch on

the dipstick. Never exceed the topper notch. A new tractor or one haven’t used

for a long time, the level must be checked again after filling and operating for

5 to 10 minutes.

Fill in enough diesel oil and cooling water.

2

 

Chassis 

Check and fasten every external linkage bolts and nuts.

Use a press rod oil gun at these places: left and right retarder housing.

Check and eleminate if there is a leakage of oil, water or air. Clean off the dirt

and mud on the tractor.

Check the air pressure of front and rear tires, and inflate if they are insufficient.

3

Air Conditioning Systems 

Check cleaning condenser, and insure the radiating fins clean and expedite.

Check the drive belt of compressor and engine, and insure it’s not loose.

Summary of Contents for 304G2

Page 1: ...OPERATION MANUAL KNEGT 304G2 WWW KNEGT INTERNATIONAL COM...

Page 2: ...304G2 TRACTOR OPERATION MANUAL Please Read and Save This Manual KNEGT QUALITY TRACTORS EUROPE 2018 09...

Page 3: ...speed PTO and so on All of these have improved the performance of the tractor greatly These tractors have the advantages of economic fuel consumption easy operation harmonious appearance compact const...

Page 4: ...nvolving your safety Read these safety rules attentively and strictly follow suggested precautions to avoid any potential danger and ensure your health and personal safety In order to meet users needs...

Page 5: ...6 3 2 Running in the engine without load 26 3 3 Running in of hydraulic hitch system 27 3 4 Running in of hydraulic steering system 27 3 5 Running in of PTO 27 3 6 Running in of the Tractor 28 3 7 Mai...

Page 6: ...riven axle 4WD 76 7 6 Walking system 77 7 7 Hydraulic steering system 77 7 8 PTO 78 7 9 Hydraulic Hitch System 79 7 10 Electrical system 80 Chapter 8 Appendix 82 Appendix 1 Standards and Regulations 8...

Page 7: ...unction and safety and affect service life of machine Lightning and high voltage cable can kill you Do not use the machine if there is lightning in your area or under high voltage cable Handle fuel ca...

Page 8: ...specified attachments can overload the machine causing possible damage and machine instability which could result in injury to yourself or others The use of non approved attachments could invalidate y...

Page 9: ...get on or off a moving tractor 6 Keep all children and nonessential personnel off tractors and all equipment 7 Always press the brake pedal gently 8 Reduce speed when turning applying individual brak...

Page 10: ...ads with or without brakes that are too heavy for the tractors or are towed too fast can cause loss of control 3 For your personal safety trailers should not be towed unless equipped with an independe...

Page 11: ...and leaving the tractor 1 Before dismounting disengage PTO move transmission control lever to neutral stop engine lower implements or attachments to ground and securely engage the park brake In additi...

Page 12: ...fuel might expand and escape In such case promptly wipe off any fuel that has escaped 7 Tractor fuel may be dangerous Never refuel while engine is running is still hot or you are near an open flame o...

Page 13: ...tire assembly Use a safety cage if available Check wheels for low pressure cuts bubbles damaged rims or missing lug bolts and nuts 10 Improperly disposing of waste can threaten the environment and ec...

Page 14: ...therwise you may be damaged On the right side of the radiator near the muffler 3 Keep away from radiator There may be hot fluids or steam Above the radiator 4 If you want to operate Please Read the op...

Page 15: ...m 10 Power take off actuator and or rotational speed selector position 1000rpm 11 Only ride on the operator s seat Or it may cause serious accident on the right fender 12 Lifting mechanism control rai...

Page 16: ...Panel 18 Checking and adjusting the fluid level Near the oil filler 19 Do not use the differential lock at high speed or on the road Beside the differential pedal on the outside surface of the squab p...

Page 17: ...od 27 Mandatory sign of front drive On the Seat plate 28 Mandatory sign of support point On the frame or rear axle housing or axle shaft housing 29 Mandatory sign of lifting point On the assistant wei...

Page 18: ...roper gear then go up the slope with smooth 3 If the brake system fails control the steering wheel slow down the tractor or shift to lower gear and running the tractor in neutral then shut down the en...

Page 19: ...d Speed rmp DF304G2 4WD 22 1 2400 independent Hang ROPS 2 2 Identifying your machine 2 2 1 Machine Identification Plate Your machine has an identification plate mounted on the front right hand side of...

Page 20: ...ludes the engine model and serial number ROPS Certification Plate Your machine is built to the ROPS standard and has an identification identification label is shown below Label fitted to the ROPS or c...

Page 21: ...erall Width 1535 Overall Height To wheel 1500 To ROPS 2423 Tyre Front 6 00 12 Rear 11 2 20 Wheel track mm Front 1100 Rear 1250 Wheel base mm 1732 Minimum ground clearance mm 279 Steering radius m With...

Page 22: ...by tyre type Allowed load speed Front axle 800 30km h Rear axle 1850 30km h Ballast masses total weight material number of components Position Quantity Unit weight Total weight Front 6 20kg 120kg Rear...

Page 23: ...8 Dry weight kg 195 External dimension mm Length 587 Width 492 Height 650 2 3 3 Transmission Tractor model DF304G2 Clucth Linkage type double acting clutch Transmission 4 1 2 planar 3 shaft for main t...

Page 24: ...system Full Hydraulic steering gear Brake Dry disk type 2 3 5 Equipment Tractor model DF304G2 Hydraulic system Pump type CBN310 HLCB D04 06 Plowing depth control Predetermined and simple adjusting Th...

Page 25: ...ingle phase negative ground Battery 6 QW 80L Starter QDJ1508 Generator JF15A P90 Instrument panel 504G3 E 48A 021 Switch Plate JK938A Key Switch JK324 Combination switch 304G2 6 48 103 Battery switch...

Page 26: ...ee furrow plow Width of plowing 60 cm Plowing depth 16 18 cm Deep tillage double plow Width of plowing 60 cm Plowing depth 18 30 cm PTO driven rotary spike harrow Harrowing width 1 4 m Straw cutter Wi...

Page 27: ...ues of the weighted seat vibration acceleration awS 1 25m sec 2 Class Light driver 0 60 Heavy driver 1 15 4 4 2 Ratio of the arithmetic mean of the rms values of the weighted vibration acceleration me...

Page 28: ...pressure of the the tires 6 Check proportion and height of battery electrolyte 7 Put Shuttle shift lever PTO shift lever range shift lever and gear shift lever on netural position Disengage the 4WD Li...

Page 29: ...gh speed Turn the steering wheel left and right steady in proper order to do ten times pivot steering Check whether the steering is flexible and portable Check whether the steering system has oil leak...

Page 30: ...is only allowed in fields or dirt roads Only low gears can be used to running in while the front drive axle is joining Disengage the front drive axle before the other gears running in Attention must b...

Page 31: ...front axle when it is still warm meanwhile refill reasonable light diesel or kerosene If the engine does not start use slow speed drag tractor forward or backward about 3 minutes or lift the front an...

Page 32: ...RACTOR OPERATION MANUAL 30 Chapter 4 Operating tractor 4 1 Instrument and Controls To prevent from accident it is necessary that you are familiar with instrument and controls 4 1 1 Tractor Controls Fi...

Page 33: ...age lifting control 14 Parking brake control15 Gear shift lever 16 Differential locking pedal 17 Foot throttle pedal 18 Brake pedal 19 Hand throttle 4 1 2 Instrument Panel and Switch Fig 4 2 Instrumen...

Page 34: ...operation in full hours and tenth White mark shows the rotational speed of engine Blue mark shows the rotational speed of PTO Fig 4 4 Instrument Panel 1 Fuel Gauge 2 Dipped Beam Indicator 3 Low pressu...

Page 35: ...You should add fuel to fuel tank Charge Indicator Charge indicator lights when key is turned to START position and goes out after engine starts If charge indicator stays lit for longer than 5 sec ple...

Page 36: ...preheat Indicator When ignition switch is on Preheat position thi indicates is working Headlight Indicator and Tail Lamp Indicator Headlight Indicator should glow when Headlight switch is switched to...

Page 37: ...ch plate 1 Hazard warning signal Switch 2 Rear Work Lamp Switch 1 Hazard warning signal switch It is only used to switch ON the hazard warning signal Hazard warning signal should light when tractor sh...

Page 38: ...peration The operator s seat can be adjusted for your comfort A correctly adjusted seat will reduce operator fatigue Position the seat so that you can comfortably reach the machine controls For drivin...

Page 39: ...view is achieved Seat Belt 1 Fasten the Seat Belt a Sit correctly in the seat b Push the male fitting A into the buckle B until it latches into position Make sure the seat belt is not twisted and tha...

Page 40: ...check the oil level Oil level should be between upper and lower marks on the dipstick If low add oil 3 Drain water and sediment from fuel filter Before Starting the Engine CAUTION Prevent asphyxiation...

Page 41: ...wait until starter and engine stop turning before trying again Check all indicators are off after engine starts IMPORTANT DO NOT operate starter more than 15 seconds at a time If engine does not star...

Page 42: ...t stays lit for longer than 5 seconds under normal operating conditions stop engine and check for cause If loose or broken fan belt is not the cause see your Knegt dealer 3 Coolant Temperature Gauge T...

Page 43: ...e and work type The proper selection of gear can achieve maximum productivity and economical efficiency and can prolong the service life of the tractor The tractor should not be often overload The tra...

Page 44: ...lock valve should be shut and PTO lever should be in the neutral position ATTENTION It is necessary to check whether the brake function work normally before the tractor departure It is not allowed to...

Page 45: ...ntial lock when one wheel is spinning and the other is completely stopped Use of the 4WD See fig 4 1 No 6 When driving on icy wet or gravel surface reduce speed and be sure tractor is properly ballast...

Page 46: ...e of the valve CAUTION 1 When the tractor travels at a high speed don t make an emergency turn with single brake 2 If the steering angle of the front wheels is too big and there is a noise in the valv...

Page 47: ...e the tractor on a slop please pull up the hand brake lever fully 6 Drain off the cooling water in winter CAUTION 1 The operator can not leave with the engine on And it s necessary to keep the shuttle...

Page 48: ...isting slings is confirmed hoist slowly and move the tractor Put it to an appropriate position The carrying capacity of Crane must bigger than tractor technically permissible laden masses 4 2 9 Jack t...

Page 49: ...ock hit linkage pin control handle will be back to the neutral position the farm implement will stop falling So you can make the farm implement down to the depth of the need for agricultural operation...

Page 50: ...aulic output system These series tractors are equipped with two sets of standard hydraulic output circuit the option of a set of hydraulic output circuits or simple hydraulic output circuit It is loca...

Page 51: ...are connected together thus realizing the quick connection of the pipeline Make sure that hose ends and coupler receptacles are clean and dry 4 After using the hydraulic output valve place the multipl...

Page 52: ...ments Retreat tractor makes the connecting point close to the farm implemnts and controls the lifting handle so that the left and right lower pull rod can be connected to the farm implement and put th...

Page 53: ...at the furrow ploughing is consistent 3 When the tractor is equipped with farm implement the left and right limit chains limit the deflection of the hanger rod and the farm implement in the process of...

Page 54: ...or violently swing so as not to damage the tractor parts 6 No standing on the 3 point hitch or the shield It may cause accident 4 3 4 Use Mechanical coupling There are two type mechanical coupling fo...

Page 55: ...after confirmation Using a power output shaft farm implements hoisting height should be determined by the angle between the power output shaft with implement the angle no more than 20 is advisable WA...

Page 56: ...olor system All kinds of electrical equipment adopt different wire diameters and different colored wires which are connected according to certain rules and requirements thus forming a complete machine...

Page 57: ...ce of the battery will be seriously reduced the start motor will overheat and reduce the service life and even damage the start motor 3 If three consecutive fails to start the tractor the condition of...

Page 58: ...rged the working conditions of the generator and regulator must be checked and the battery shall be recharged 4 It is strictly forbidden to put the battery on hold for a long time after it is discharg...

Page 59: ...uses tightly fix it between two clamps then plug the fuse back in place 2 If the installed fuses are defined but the fuse is often burned which indicating that there may be a line faults should be che...

Page 60: ...ve axle hydraulic system and steering system All atmospheric temperature N100 D transmission drive hydraulic dual purpose oil GB443 84 Grease fittings All atmospheric temperature No 2 and No 3 calcic...

Page 61: ...Check the liquid level of engine sump refill them if they are insufficient and make sure the level will be between the middle notch and the topper notch on the dipstick Never exceed the topper notch...

Page 62: ...arts when they are loose check all the electrical connectors and wires examine and repair them if they are deviant 5 2 3 100h maintenance 1 Engine Change the oil in the sump clean the filter strainer...

Page 63: ...dule will help your tractor work normally 2 The service interval is determined according to the condition of working and your experience 3 Remember that in any case it is better to check too much than...

Page 64: ...d clearance of your machine The ramp should be long enough that the angles between the truck or trailer do not cause the machine components to catch when moving from ramp to truck or trailer If loadin...

Page 65: ...on the painted metal parts store the tractor under cover and in dry and well ventilated places 3 Brush anti rust paint on the unpainted metal parts 4 Ensure that all controls are in neutral or off po...

Page 66: ...t will discharge when not be used 5 4 3 Preparation after Storage 1 Remove the waterproof canvas clean the tractor 2 According to the request to fill with coolant diesel oil and lubricant 3 Check the...

Page 67: ...abrading the clearance between the release lever s head and the release bearing become small and small even make the lever and the bearing connect and rotating together As a result the clutch can t wo...

Page 68: ...tion of mark a to insure the pedal free path to be in the stated range tighten the adjusting nut 1 and 5 then adjust the Clutch pedal hold down bolt3 to make sure the clearance between release bearing...

Page 69: ...d on the dry flat and then try to brake urgently After that check the tire print lengths Make sure the difference between left one and right one doesn t exceed 400mm If it fails to reach the request a...

Page 70: ...on of the spiral bevel pinion is to be adjusted by adding or deducting the adjusting shims 1 the pinion will goes forwards if the adjusting shims 1 are added the pinion will withdraw if the adjusting...

Page 71: ...he gears or the bearings are abraded If chippings from the pinion teeth surface of final drive are found after disassembling the rear axle then the pinions of left final drive gears and right one shou...

Page 72: ...fig 6 6 The two bearings 6 and 8 on the Bevel drive pinion should be pre stressed The adjustment of Bevel drive pinion is realized by altering the Adjusting shims on the left and right When adding or...

Page 73: ...the clearance is large enough it should be adjusted When adjusting bring down the back seat put a lead piece between the teeth of pinion and crown gears The lead piece will be pushed to transform Then...

Page 74: ...another is piece 6 9 They have been adjusted in the factory generally there is no need to adjust them by the users unless replacing the bearings and gears or do some repairs The two couples have the...

Page 75: ...ring wheel to the mid position to make the wheels straight Then loosen the left right helical nut 3 and 5 rotate assistant tie rod 4 Measure the front and rear distances between two steering wheels at...

Page 76: ...path is not enough or no free path The driven disk is deformed Wash them clean with gasoline and eliminate the oil leakage Replace the clutch disk Readjust in accordance with the requirement Replace t...

Page 77: ...Remedy as per clutch troubles Replace or repair 3 The gear disconnects itself Poking fork positioning slot is worn seriously Interlock pin spring pressure isn t enough Spline of teeth seat are worn Ad...

Page 78: ...ely and resulting in heat Grip brake still under operational The brake pedals free pathes is too small Loosen the grip brake Adjust 7 5 Front driven axle 4WD Troubles possible causes Fixing methods 1...

Page 79: ...st improperly The front wheel rim deformed seriously Adjust to the request Replace Adjust Correct 2 The front tires are worn quickly The front wheel toe in adjust improperly The pressure of front tire...

Page 80: ...other Steering oil case piston is damaged Replace poke pin Replace interlink shaft Reinstall Replace 4 The steering wheel can t return back The steering shaft isn t concentric with the rotor The steer...

Page 81: ...en position Gear pump does not work a Oil level in the lifter is too low b Filter net blocked seriously Check and clean valve a Replenish oil to specified level b Clean or replace net 2 Lift up if lig...

Page 82: ...ulfuration Check the generator or regulator Check and repair 2 The temperature of the accumulator is too high Current is too large Check and adjust 3 The generator does not generate power Rotor coil b...

Page 83: ...unwell The main touch point of electromagnetic switch burnt out and have poor contact Battery volume is insufficient Replace bearing Adjust Clean the oil and grind by 0 model non metal sand paper Fast...

Page 84: ...ental and propulsion unit performance requirements of agricultural and forestry vehicles 6 EU 2015 208 supplementing Regulation EU No 167 2013 of the European Parliament and of the Council with regard...

Page 85: ...ission housing and gearbox housing M12 73 89 Grade 8 8 4 Connecting bolt for differential housing M10 41 51 Grade 8 8 5 Connecting bolt for spiral bevel gear and differential housing M10 1 46 56 Grade...

Page 86: ...304G2 SERIES TRACTOR OPERATION MANUAL 84 Appendix 3 Scheme of the electric system...

Page 87: ...Fuse box 1 8 504G3 47 015 Windshield 2 9 Rearview mirror 10 804 6 58 025 Oil filter 1 Appendix 5 List of Attached Tools No Code Name Qty Remarks 1 GB3390 1 89 Socket head S 13 1 2 Socket head S 16 1...

Page 88: ...iangsu Province P R China 1 2 TYPE Tractor clevis mechanical coupling non automatic trailer coupling CODE DF300 6 35B 001 according to directive 2009 144 EC all IV appendix 1 fig 2 Type approval numbe...

Page 89: ...304G2 SERIES TRACTOR OPERATION MANUAL 87 2 2 ASSEMBLY See drawing no 300 6 35B 001 Use only bolts M16 8 8 Tightening torque 225 Nm CAUTION Secure all pins with cotter...

Page 90: ...304G2 SERIES TRACTOR OPERATION MANUAL 88...

Page 91: ...na 1 2 TYPE Tractor drawbar mechanical coupling non automatic trailer coupling CODE DF300 53A 001 according to directive 2009 144 EC all IV appendix 1 fig 3 Type approval number CE e50 XXXX 1 3 TECHNI...

Page 92: ...304G2 SERIES TRACTOR OPERATION MANUAL 90 2 2 ASSEMBLY See drawing no 300 53A 001 Use only bolts M16 8 8 Tightening torque 225 Nm CAUTION Secure all pins with cotter...

Page 93: ...304G2 SERIES TRACTOR OPERATION MANUAL 91...

Page 94: ...304G2 SERIES TRACTOR OPERATION MANUAL 92 Appendix 7 E MARK certificate...

Page 95: ...304G2 SERIES TRACTOR OPERATION MANUAL 93...

Page 96: ...304G2 SERIES TRACTOR OPERATION MANUAL 94...

Page 97: ...304G2 SERIES TRACTOR OPERATION MANUAL 95...

Page 98: ...304G2 SERIES TRACTOR OPERATION MANUAL 96...

Page 99: ...304G2 SERIES TRACTOR OPERATION MANUAL 97...

Page 100: ...he tractor 1 List of tool box will be delivered additionally 4 Tractor operation manual 1 5 Tractor illustrated parts catalogue 1 6 Certificate of quality 1 Encasement member Date Note The information...

Page 101: ...ractor 45 Driving the Tractor 41 Electrical system 81 Electricity and instrument panel 23 E MARK certificate 94 Engine 21 Engine Identification Plate Location 18 Equipment 22 Farm implement with wheel...

Page 102: ...in Bolts and Nuts 84 Towing loads 8 Tractor characteristic 17 Tractor Controls 30 Tractor Drawbar Or Clevis type Certification Plate 18 Tractor Maintenance 9 Tractor maintenance during storage 64 Trac...

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