TYM T433 Operator's Manual
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TYM T433 Operator's Manual

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TYM
OPERATOR'S MANUAL
FOR
TRACTORS
(T433/T503/T553)
#604-9, Namsan-dong, Changwon-city, Kyungnam, Korea ■ ■ ■ ■ TEL:82-55-279-4379, FAX:82-55-279-4447 ■ ■ ■ ■ www.tym.co.kr

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  • Page 1 OPERATOR’S MANUAL TRACTORS (T433/T503/T553) #604-9, Namsan-dong, Changwon-city, Kyungnam, Korea ■ ■ ■ ■ TEL:82-55-279-4379, FAX:82-55-279-4447 ■ ■ ■ ■ www.tym.co.kr...

  • Page 2: Limited Warranty

    PERKINS FEDRAL AND CALIFORNIA EMISSION SYSTEM LIMITED WARRANTY Perkins warrants to the initial owner and subsequent owners of a certified non road diesel engine (powering non road machines and equipment) that such engine is: 1. Designed, built and equipped so as conform, at the time of sale, with all applicable regulations adopted by the United States Environmental Protection Agency (EPA), the California Air Resources Board (CARB) 2.
  • Page 3 Responsibilities and Limitations The warranty is subject to the following: Perkins Responsibilities During the warranty period, if a defect in material or workmanship of an emission related part or component is found, Perkins will provide: • New, remanufactured or replacement parts and / or components, approved pursuant to EPA Regulations, required to correct the defect.
  • Page 4 Perkins is responsible for resultant damage to an emission related part or component resulting from: • Any application or installation Perkins deem improper. • Attachments, accessory items or parts not sold nor approved by Perkins. • Improper engine maintenance, repair or abuse. •...
  • Page 5 FOREWARD Thank you very much for purchasing our tractor, which, we feel sure, will give you many years of troubling the service. The introduction in this manual set out the correct manner of operating, maintaining and checking the tractor to ensure long-term durability. Please ensure correct operation of the tractor as incorrect operation can cause substantial mechanical damage as well as cause accidents with the associated injuries.

  • Page 6: Table Of Contents

    CONTENTS Sr. No. Description Page No. 1. Tractor Identification ----------------------------------------------------------------------------------------------- 6 2. About this manual ---------------------------------------------------------------------------------------------------- 7 3. Introduction & Description ------------------------------------------------------------------------------------ 8~10 4. Owner assistance ------------------------------------------------------------------------------------------------ 11 5. ROPS (Roll over protection structures) --------------------------------------------------------------------- 12~14 6. Safety instructions, Do’s & Don’ts -------------------------------------------------------------------------- 15~27 7.

  • Page 7: Tractor Identification

    TRACTOR IDENTIFICATION The engine number is stamped on the left hand side of the engine block. The chassis number is shown on the left hand side of the tractor as shown in the drawing. Stamped position of the Engine type or Number Illustration A Stamped position of the chassis number...

  • Page 8: About This Manual

    This manual has been prepared to assist you in following/adopting the correct procedure for running-in operation and maintenance of your new Tong Yang Moolsan CO.,LTD (Here in after refer to TYM) Tractor. Your Tractor has been designed and built to give maximum performance, with good fuel economy and ease of operation under a wide variety of operating conditions.

  • Page 9: Introduction & Description

    INTRODUCTION & DESCRIPTION TRACTOR AN INTRODUCTION The word, ’Tractor’ has been derived from ‘Traction’ which means pulling. A Tractor is required to pull or haul an equipment, implement or trolley which are coupled to the Tractor body through suitable linkage. A Tractor can also be used as a prime mover as it has a power outlet source which is also called Power Take or PTO shaft.
  • Page 10 A single plate dry clutch (10.24"diameter) is used on these tractors. Tractor with IPTO(Independent Power Take Off) are fitted with hydraulic Clutch Assy. The transmission Gear box has 16 forward & 16 reverse speeds of T433/T503/T553. Presently, Tractors are fitted with partial synchro mesh type gears. ■ ■ ■ ■ Brakes ■...
  • Page 11 ■ ■ ■ ■ Steering It consists of Hydrostatic Power steering system, which has a hydraulic cylinder and tandem type hydraulic pump ■ ■ ■ ■ Electrical System A 12 Volt Lead Acid Propylene Battery is used to activate the Engine through the Starter Motor and the Electrical system comprising Horn, Head Lamp.

  • Page 12: Owner Assistance

    OWNER ASSISTANCE We at TYM CO.,LTD and your Dealer/Distributor wants you to be completely satisfied with your investment. Normally any problems with your equipment will be handled by your Dealer/Distributor’s Service Departments, however, misunderstanding can occur. If you feel that your problem has not been handled to your satisfaction, we suggest the following.
  • Page 13 The objective of the frame or cab structure is to protect the operator in the event of a roll over and they are designed to support the entire weight of the tractor in that event. Each TYM ROPS frame or cab structure is designed and has been tested to meet industry and or Government standards.
  • Page 14 Damage of the ROPS If the tractor has rolled over or the ROPS has damaged (such as striking an overhead object during transport), It must be replaced to provide the original protection. After an accident, check for damages to the 1.ROPS.2.Seat 3.seat belt & seat mountings. Before you operate a Tractor, replace all damaged parts.
  • Page 15 Seat Seat Adjusting Adjusting Lever Lever Seat Seat Adjusting Adjusting Lever Lever Fig.1 NOTE: Do not use solvents to clean the seat. Use warm water with a little detergent added. Before operating a Tractor it is important to adjust the seat to the most comfortable position & check whether it is properly locked in its position.

  • Page 16: Safety Instructions

    SAFETY INSTRUCTIONS RECOGNIZE SAFETY INFORMATION This symbol means ATTENTION! YOUR SAFETY IS INVOLVED. The message that follows the symbol contains important information about safety. Carefully read the message SIGNAL WORDS. DANGER A signal word―DANGER, WARNING OR CAUTION―is used with safety alert symbol. DANGER identifies the most serious WARNING hazards.
  • Page 17 USE OF ROPS AND SEAT BELT The Roll Over Protective Structure(ROPS) has been certified to industry and/or government standards. Any damage or alternation to the ROPS, mounting hard-ware, or seat belt voids the certification and will reduce or eliminate protection for the operator in the event of a roll-over.
  • Page 18 HANDLE FUEL SAFELY-AVOID FIRES Handle fuel with care; it is highly flammable. Do not refuel the Tractor while smoking or near open flame or sparks. Always stop engine before refueling Tractors. Always keep your tractor clean of accumulated grease, and debris. Always clean up spilled fuel.
  • Page 19 AVOID HIGH-PRESSURE FLUIDS Escaping fluid under pressure can penetrate the skin causing serious injury. Keep hands and body away from pinholes and nozzles, which eject fluids under high pressure. If ANY fluid is injected into the skin. Consult your doctor immediately. PREVENT BATTERY EXPLOSIONS Keep sparks, lighted matches, and open flame away from the top of battery.
  • Page 20 WORK IN VENTILATED AREA Do not start the Tractor in an enclosed building unless the doors & windows are open for proper ventilation, as tractor fumes can cause sickness or death. If it is necessary to run an engine in an enclosed area remove the exhaust fumes by connecting exhaust pipe extension.
  • Page 21 SAFE OPERATION OF YOUR TRACTOR The manufacturer of your tractor has made every effort to make it as safe as is humanly possible. Beyond this point it is the responsibility of the operator to avoid accidents and we ask that you read and implement our suggestions for your safety.
  • Page 22 SAFETY TIPS DURING MAINTENANCE 1. At least on a daily basis check all oil levels. Water level in the radiator and electrolyte level in the battery and perform services according to the service schedule. 2. Ensure tire pressure are even and the correct pressure for the job being done is maintained. 3.
  • Page 23 ► ► ► ► MOUNTING AND DEMOUNTING IMPLEMENTS (1)Ensure that all mounting and removal of implements is done on safe flat ground. Ensure no one is between the Tractor and implement and do not get under the implement to avoid accidental injuries.
  • Page 24 The following precautions are suggested to help prevent accidents. A careful operator is the best operator. Most accidents can be avoided by observing certain precautions .Read and take the following precautions before operating the Tractor to prevent accidents. Tractor should be operated only by those who are responsible and properly trained to do so.
  • Page 25 ■ ■ ■ ■ Operating the tractor 1. Before starting the tractor apply the parking brake, place the PTO (Power Take Off) lever in the “OFF” position, the hydraulic control levers in the downward position, the remote control valve levers in the neutral position( if fitted) and the transmission in neutral. 2.
  • Page 26 ■ ■ ■ ■ Driving the tractor 1. Watch where you are going especially at row ends, on roads, around trees and low hanging obstacles. 2. To avoid upsets, drive the tractor with care and at speeds compatible with safety, especially when operating over rough ground, crossing ditches or slopes, and when turning at corners.
  • Page 27 DO’S AND DON’T’S DO’S-For Better performance DO-Ensure that safety shields are in place and in good condition. DO-Read all operating instructions before commencing to operate Tractor. DO-Carry out all maintenance tasks without fail. DO-Keep the air cleaner clean. DO -Ensure that the correct grade of lubricating oils is used and that they are replenished and changed at the recommended intervals.
  • Page 28 DON’T-Use the independent brakes for making turns on the highway or at high speeds. DON’T-Refuel the tractor with the engine running. DON’T-Mount or dismount from the right side of the tractor. DON’T-Temper the hydraulic control levers’ upper limit stops. DON’T-Use draft control lever for lifting of implements. DON’T-Start the engine with the PTO engaged.

  • Page 29: Safety Signs

    SAFETY SIGNS (Replace all missing, damaged or illegible signs) GENERAL SAFETY INFORMATION IMPORTANT: This “General safety Information” should be kept with the machine at all times as reference data. This symbol means ATTENTION! YOUR SAFETY IS INVOLVED. The message that follows the symbol contains important information about safety. Follow recommended precautions and safe operating practice.
  • Page 30 DECALS ON THE CABIN Part No.:1200-910-023-0 Part No.:1200-910-003-0 Part No.:1200-910-011-0 Part No.:1200-910-019-0 Part No.:1769-910-009-0 Part No.:1200-910-006-0 Part No.:1200-910-004-0...
  • Page 31 DECALS ON THE CABIN Part No.:1200-910-015-0 Part No.:1200-910-012-0 Part No.:1220-904-122-1 Part No.:1200-910-001-0 Part No.:1200-910-016-0 Part No.:1200-910-024-0 Part No.:1200-910-005-0 Part No.:1200-910-013-0 Part No.:1200-910-011-0 Part No.:1769-910-009-0...

  • Page 32: Universal Symbols

    UNIVERSAL SYMBOLS Some of the universal symbols have been shown below with an indication of their meaning Engine speed Pressured- Corrosive rev/minX100) open slowly substance ”Tortoise” Hours, Continuous Slow or recorded variable minimum Setting Engine ”Hare” fast or coolant Warning maximum temperature setting...
  • Page 33 Section - A Controls, Instruments Operations The following pages in this section detail the location and function of various instruments, switches and controls on your Tractor. Even if you operate other Tractors, you should read through this section of the manual and ensure that you are thoroughly familiar with the location and function of all the features of your New Tractor.
  • Page 34 DESCRIPTION OF TRACTOR CONTROLS INSTRUMENT AND SWITCHES ► MAIN SWITCH ► MAIN SWITCH (KEY SWITCH) (KEY SWITCH) [OFF] - The key can be inserted or removed [ON] - The electric circuit is on & preheat function [START] - The starter motor is engaged. When the key is released it will return to the ON position [GLOW] - Glow plugs preheat the combustion chamber ►...
  • Page 35 ► HOUR METER The hour meter consists of digits with the last digit indicating 1/10 of an hour. Symbol Illuminates when Hour meter is operated. ► TACHOMETER This meter shows the revolutions of the engine and the PTO shafts as well as the travel speed in top gear. ►...
  • Page 36 ► ► ► ► WARNING LIGHTS High beam lamp is operated on the combination switch. Low beam lamp is operated on the combination switch Parking brake is operated when footbrake is engaged. PTO monitor Lamp Shows the revolution of PTO. Refer to monitor lamp on Page Fuel Level If it comes on while the engine is running, Fill the tank with fuel.
  • Page 37 ■ THE PTO MONITOR LAMP on the dash panel indicates the state of the PTO shaft. 1. If the monitor glows: The PTO is rotating 2. If the monitor is off: The PTO is off PTO monitor Lamp 3. If the monitor blinks: The PTO is presently stationary but will instantly start rotating of the clutch pedal is released or the implements lowered.
  • Page 38 Hydraulic PTO Monitor Position ON/OFF Control Clutch Pedal Lamp on the SHAFT Control Lever. dash panel Switch Switch Manual Either raised Either pressed or Glows Rotates released Mode or lowered Auto Either raised Pressed Blinks Stationary Mode or lowered Auto Either pressed or Raised Blinks...
  • Page 39 TRACTOR CONTROLS ► ► ► ► THROTTLE LEVER (HAND THROTTLE) Pulling the hand throttle towards the driver increase revolutions. Pushing it away from the driver decreases revolution. ► ► ► ► CLUTCH PEDAL When the clutch pedal is pressed on models with mechanical transmissions, drive is disengaged and the gear range and forward or reverse travel can be selected.
  • Page 40 ► ► ► ► CLUTCH CUT-OFF ARM For long term storage of the Tractor it is possible to latch the clutch in the disengaged position. Push the clutch down and engage the latch to hold it there. Do not attempt to start engine when this arm is being used.
  • Page 41 ► ► ► ► SHUTTLE SHIFT LEVER This control allows shifting from forward to reverse & reverse to forward. When stationary set the lever to N for neutral ① Push the lever away from the driver engages forward. ② Pulling the lever towards the driver engages reverse. 1.Press clutch pedal fully before operating shuttle shift lever.
  • Page 42 -When starting to operate the tractor,be sure to release the parking brakes.Misuse of the brakes may cause damage to the transmission and is therefore not acceptable to TYM for coverage under the warranty.
  • Page 43 Never use the diff lock at high speed or on the road as this can cause roll over and injury. Caution ► ► ► ► FRONT WHEEL DRIVE LEVER In the ON position the front wheels are engaged and in the OFF position they are disengaged.
  • Page 44 Your tractor is equipped with Speed PTO to suit range of applications and conditions. POSITION MODEL T433/T503/T553 (1000) Always use the clutch when engaging or disengaging the PTO or changing PTO speed. Let the PTO driven implement come to a complete stop before changing.
  • Page 45 After finishing the work, always lower the implement to the ground and switch off the engine, Set the parking brake to avoid injuries and accidents . Warning ► ► ► ► DRAFT CONTROL LEVER Soil engaging implements can be set for precision work by using draft control.
  • Page 46 EXTERIOR HYDRAULIC LEVER (OPTIONAL) Move the lever up or down and hold.This will raise or lower the implement (rotavator or hydraulic plow). A type : Spring type – Double-acting with self-return. B type : Detent type – Double-acting with Detent Important: -Do not hold the lever in the “pull”...
  • Page 47 To raise the Boon of Front end loader . To lower the Boon Front end loader. To rollback the bucket. To dump the bucket NOTE : The Joystick control and valve can also be used for other applications if a front end loader is not fitted. ►...
  • Page 48 OPERATING THE 3 POINT LINKAGE (TPL) ► ► ► ► SWING DRAW BAR TYPE ► ► ► ► DRAW BAR TYPE...
  • Page 49 ► ► ► ► TELESCOPIC STABILIZERS ADJUSTMENT The stabilizers are intended for limiting or preventing implement side movement. There should be no clearance (Position A) during implement transport and when working with grades, rollers mowers, seeders, drills and similar implements.However, a slight play is necessary (Position B) when working with...
  • Page 50 ► ► ► ► ADJUSTMENT OF THE LIFT LINK ON THE LOWER LINK For different applications change the position of the lift rod on the lower links as shown and insert the pin in the direction of the arrow. Only use drawbar to tow and keep the 3 point linkage in raised position when toeing with the drawbar.
  • Page 51 DRIVING THE TRACTOR STARTING THE ENGINE Before starting the engine carry out the pre-operational checks as set out on page 20. (1) Sit on the driver seat (2) Apply the footbrake. (3) Put the hydraulic lever in the down position. (4) Push down the clutch to activate the safety-starting switch.
  • Page 52 WARMING UP When starting the engine allow it to warm up to operating temperature by allowing it to idle 5-10 minutes to ensure full lubrication and operating temperature. Failure to do so can shorten engine life substantially. ► ► ► ► WARMING UP IN COLD WEATHER Cold weather will change the viscosity of the oil, resulting in a reduced oil pumping capacity, which can cause damage to the engine if it is not warmed up correctly.It also causes problems with the hydraulic system and the synchromesh in the transmission.
  • Page 53 Do not ”ride” the clutch to control speed, use a lower gear. Do not travel with your foot on the clutch pedal. Caution Always connect the brake pedals when traveling on the road. Never tow anything except with the drawbar. Do not tow loads which are too large for the tractor’s capacity to brake effectively especially in hilly terrain.
  • Page 54 UPHILL STARTS ON A STEEP SLOPE With the pedals connected together push down on the brake pedals and push down the clutch. Set all gear levers to low and the throttle to medium engine speed. Release the clutch and as it engages release the brake pedals. Adjust the throttle to the required speed.
  • Page 55 ► ► ► ► FUEL GAUGE. To avoid excessive condensation in the fuel tank refill at the end of each day’s work and ensure during the day that it does not drop to a low level where the fuel system will require bleeding to expel air in the system after refilling the tank.
  • Page 56 ► ► ► ► TRACK ADJUSTMENT T553 CABIN models of are front wheel assist the front track can be set in 8 positions. The rear track can be set in 5 positions as illustrated. T553 CABIN TYPE AIR PRESSURE TRACK ADJUSTMENT MODEL DIVISION TYRE...
  • Page 57 ► ► ► ► TRACK ADJUSTMENT T553 ROLL-BAR models of are front wheel assist the front track can be set in 2 positions. The rear track can be set in 5 positions as illustrated. T553 ROLL-BAR TYPE AIR PRESSURE TRACK ADJUSTMENT MODEL DIVISION TYRE...
  • Page 58 T503/T433 models of are front wheel assist the front track can be set in 2 positions. The rear track can be set in 4 positions as illustrated. T503/T433 TYPE AIR PRESSURE TRACK ADJUSTMENT MODEL DIVISION TYRE (kgf/cm2) (*) Marking is STANDARD...
  • Page 59 Section-B Lubrication & Maintenance This section gives full details of the service procedures necessary to maintain your Tractor at peak efficiency while the lubrication and maintenance chart provides a ready reference to these requirements.
  • Page 60 CHECKS AND SERVICE PRE-START CHECKS To avoid problems it is recommended that a range of checks be carried out daily before starting the tractor. For full details of the items and frequency please refer to the tables on page 62,63 and 64. ►...
  • Page 61 ► ► ► ► FUEL Use the fuel gauge to check the fuel level and top up if too low. It is a good practice to refill the tank immediately after use to avoid condensation ► ► ► ► TYRE PRESSURE The air pressure used in the tires has a direct bearing on the life of the tire and its performance in the field.
  • Page 62 ► ► ► ► STEERING Ensure that the steering wheel does not have excessive free play. ► ► ► ► BRAKE Ensure that the left and right brakes are adjusted correctly so they operate simultaneously. The correct free play on the brake is 1.18-1.57 in (30~40 mm).
  • Page 63 MAINTENANCE AND ADJUSTMENT SCHEDULE ○ Check, Top-up or adjust ● Replace Periodical check and service table △ Clean or wash ★ Consult the service Dealer Service interval(hour meter,mark) Item Frequency Comment Every 100 hours or To correct level on the dipstick ○...
  • Page 64 Service interval(hour meter,mark) Item Frequency Comment Trans Every 300 hours or mission oil ○ ● ○ ● ○ 12months after first 50 hours Free play ○ Check daily (0.78-1.18in) of clutch pedal Free play ○ of brake Check daily (1.18-1.57in) pedal State of Adjust so that...
  • Page 65 Service interval(hour meter,mark) Item Frequency Comment Adjustment Check every 300 of the ○ ○ throttle hours pedal Replenish every 50 Grease each ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ hours (everyday in nipple dusty conditions) Tighten to proper Loose bolts ○...
  • Page 66 FILLING DIAGRAM & CAPACITY TABLE Filling point Fillings Quantity Liter (gal.) MODEL T503 50/50 : Ethylene Glycol/Water (L.L.C) 50/50 : Ethylene Glycol/Water (L.L.C) 8.5ℓ(2.24 US gal) 8.5ℓ(2.24 US gal) RADIATOR RADIATOR ASTM D4985 / D6210 API : CH4 grades Recommended SAE viscosity grades ENGINE 8.2ℓ...
  • Page 67 ► ► ► ► RECOMMENDED TRANSMISSION OIL ① RPM Tractor Hydraulic Fluid or Textron TDH Premium (CALTEX) ② TDH Oil or TDH Oil special (TEXACO) ③ Chevron 1000THF (CHEVRON) Opening method of each cover ► ► ► ► Opening method of Hood With the hood up,the Hook release lever can be removed by pulling rearwards,having first detached the...
  • Page 68 BLEEDING THE FUEL SYSTEM 1) Fill the tank with fuel and turn the ignition key to on. 2) Loosen the air breather screw of the fuel filter two or three turns. 3) When fuel free from air flows (bubbles) from the Air breather screw, tighten the Air breath screw.
  • Page 69 When changing the oil always change the filter. Always use the same oil, as using different oils or specifications can cause damage. important Dispose off the old oil as per local regulations. ► ► ► ► CHANGING THE TRANSMISSION OIL Remove the drain plug from bottom of the transmission and drain the oil.
  • Page 70 ► ► ► ► CHANGING OIL IN THE FRONT AXLE 1. Drain the oil from the center diff plug and the drain plug in each drive. 2. Replace and tighten all drain plugs. 3.Remove the top plug(Vent plug)from each final drive to vent air from final drives.
  • Page 71 ► ► ► ► FUEL FILTER The fuel filter/water separator (if equipped) is not usually supplied by Perkins. The following test describes a typical fuel filter/water separator. Refer to the OEM information for further information in the fuel filter/water separator. Turn the fuel supply valve (if equipped) to the OFF position before performing this maintenance.
  • Page 72 Never use petrol (gasoline) thinner or similar inflammable material to wash the primary fuel filter. important After replacing the filter always bleed the system ► ► ► ► HYDRAULIC OIL FILTER AND ENGINE OIL FILTER CARTRIDGE Remove the filter with a filter wrench. To replace, apply oil or grease on the seal, fit by hand until seal contacts bare, then turn it 2/3 turn further to tighten it check for leaks.
  • Page 73 Do not remove the radiator cap on a hot engine. Allow the engine to cool down and then turn the cap slowly to ensure, that there is no excessive pressure in the radiator. Caution Serious burns, can result from the contents of pressurized, hot radiators. Allow the engine to cool down completely before opening radiator cap.
  • Page 74 GREASING THE TRACTOR Grease the tractor according to the service schedule (page 63, 64 and 65) Ensure that grease nipples are cleaned well before any attempt is made to grease them. ► ► ► ► ► ► ► ► BRAKE AREA / CLUTCH AREA PIVOT METAL Grease Nipple Grease Nipple...
  • Page 75 GAP ADJUSTMENT ADJUSTING THE CLUTCH Using the clutch over a period of time will increase the free play. The correct free play of the pedal is 0.78~1.18 in To adjust, loosen the locknut on the turnbuckle and adjust. Check the adjustment and tighten the locknut if the free play is correct.
  • Page 76 Uneven adjustment of the left and right pedal will result in one sided braking when the pedals are connected and can cause serious accidents, especially at high speeds. Caution Double check to ensure free play is the same on both pedals ADJUSTING THE THROTTLE LEVER If this lever is either loose or difficult to move please consult your dealer for rectification of the problem.
  • Page 77 ► ► ► ► BATTERY MAINTENANCE Low temperatures will affect the performance of batteries so take particular care of it in winter. For long-term storage of the tractor remove the battery and keep it in a cool dry room. If it is on the tractor while stored, disconnect the negative terminal. Batteries will self discharge if left for a period of without use time.
  • Page 78 Alternator Inspect Perkins recommends a scheduled inspection of the alternator.Inspect the alternator for loose connections and proper battery charging.Inspect the ammeter(If equipped) during engine operation in order to ensure proper battery performance and/or proper performance of the electrical system. Make repairs, as required. Check the alternator and the battery charger for proper operation.If the batteries are properly (1) Burroughs gauge.
  • Page 79 AIR CONDITIONER COMPRESSOR BELT ADJUSTMENT Check the compressor belt tension regularly and adjust If required. The correct tension is if the center of the belt is Pushed With a finger it moves in approx. 10 mm (0.39 in) as shown in the picture. To adjust the belt, loosen the top bolt on the alternator, move the alternator to the desired position and tighten the bolt.
  • Page 80 CHECKING THE WIRING HARNESS AND FUSES Loose wires make inferior connections and damaged wires can cause short circuits, fires burnt wiring or reduce efficiency of components. Replace or repair any faulty wiring or insulation. If a fuse burns out again after it has been replaced, do not replace it with wire or a high capacity fuse, find the cause and rectify it or get an auto electrician to do so.
  • Page 81 3. MAINTENANCE For daily or short term storage Clean the tractor and remove all dirt from field work. Fill the fuel tank to avoid condensation and rust. Lower the implement to the ground.. Keep it in a machinery shed or, if not available cover the unit if left outside. In very cold conditions it is advisable to remove the battery and keep it inside in a warm environment.
  • Page 82 Section - C CABIN The cab fully conforms to the international standard as far as safety and soundproofing are concerned. It can be provided with ventilation, heating and air-conditioning system. It is available in the following version.: ● Cab with ventilation and heating systems ●...
  • Page 83 Remember that steering, braking and operational performances are highly influenced by the implements mounted, the trailers transported and the ballasts applied to the tractor. When transporting heavy loads (exceeding the weight of the tractor) reduce the speed under 15 Km/h.. All the implements mounted onto the tractor must be safely secured.
  • Page 84 ■ Working lamps (front and rear) : The working lamps are located on the cab roof (two in the front and two in the rear) .They are switched on by means of the special switches on the roof console ■ Rearview mirrors.: The cab is provided with rearview mirrors on both sides.
  • Page 85 VENTILATION The ventilation unit is housed in the cab ceiling. To switch it on and adjust it, turn the electrical fan switch to the desired speed. The cab becomes slightly pressurized when the ventilation system is in operation, so that the fresh air can enter only by way of the filter installed in the rear section of the cab roof.
  • Page 86 ■ ■ Blower control switch Temperature control Set temperature control as required,fully clockwise Three position rocker switch For maximum cool and fully counterclockwise for heat. Temperature control ■ Air con. switch To operate the air conditioner,the blower must be on.The blower speed temperature control and all vents must be adjusted to obtain the best cooling for the ambient temperature and dust conditions.
  • Page 87 HEATING SYSTEM General description The heater is switched on and adjusted by rotating the control knob at the roof console, then switching on the blower and setting the selector at the preferred speed . To warn the cab up quickly, the knob should be rotated fully clockwise and the blower set to speed 3. The screen is demisted or defrosted by air directed through a slot vent .
  • Page 88 SYSTEM CONFIGULATION 1.The heating system consist of two units: 1-Electric heater and blower unit installed behind roof console. 2-Power supplying set, consisting of an auxiliary alternator located front of the engine and driven by a belt directly linked to the engine pulley. If the air does not come out from the diffusers right away as soon as the system is started, turn off immediately and identify the fault.
  • Page 89 ■ Compressor belt adjustment Check the compressor belt tension regularly and adjust If required. The correct tension is if the center of the belt is Pushed With a finger it moves in approx. 10 mm (0.39 in)as shown in the picture. To adjust the belt, loosen or tighten the nut as shown in the picture.
  • Page 90 ■ Roof hatch (if equipped) Ventilation-push the latch towards the front of the tractor and then push the hatch up. Emergency Exit-Push firmly upwards to release the support struts from the lower retainer clips. ■ Circulation diffuser With the circulation vent set in any position outside Air will still be pulled into the cab.
  • Page 91 1. Checking the air conditioning system. ①Economic friendly refrigerant : R134a 0.7∼0.85Kg. The presence of air and water in the system could jeopardize its efficiency. -The air is uselessly compressed by the compressor and no cooling effect is produced. -The moisture has a tendency rise to obstructions which prevent the cooling efficiency. ②...
  • Page 92 Bubbles or foam visible Trouble shoot ● No bubble shown ●Too much of refrigerant deflate. ●High pressure pipe is not abnormal High-pressure pipe is hot ● H.L pressure of the pressure abnormally. H-L pressure of the gauge needle indicates high Abnormal pressure gauge needle abnormally.
  • Page 93 SYMPTOM CONDITION CAUSE REMEDY Air inlet clogged Remove Controlling minimum Evaporator freezing pressure Motor is normal Ventilator switch Weak from Replace the switch damage pressure or Compressor Replace don”t work Motor failure Replace 2.Motor Motor is abnormal Wire cut Replace Air leakage Duct leakage Check,tighten...

  • Page 94: Specifications

    Section - D Specifications The specifications on the following pages are given for your information and guidance. For further information concerning your Tractor and equipment, consult your Authorized Dealer/ Distributor. CO.,LTD. policy is one of continuous improvement and the right to change prices, specifications or equipment at any time without notice is reserved.
  • Page 95 Stroke : 100mm (3.9 in) with high and low Compression Ratio : 22.4:1 selection lever with Rated power (PS) T433 - 42/2600 rpm Differential Lock T503 - 50/2800 rpm STEERING : Hydraulic power T553 – 54/2600 rpm (Power steering) (Manufacturing rating)
  • Page 96 Engine Maker CATERPILLAR Model 404C-22(C2.2) Water cooled 4 cycle 4 cylinder diesel turbo Type charged T433 - 42/2600 rpm T503 - 50/2800 rpm Out put (ps/rpm) T553 - 54/2600 rpm Number of Cylinder Displacement(cc) 2,219 Bore and Stroke 84X100 mm Compression ratio 23.3:1...
  • Page 97 MODEL T433/T503/T553 Clutch Main Dry single disc,mechanic Multiple wet disk Dimensions Overall length(mm) 3,500 (137.8”) Overall width (mm) 1,740 (68.5”) Overall Height (mm) 2,500 (98.4”) Wheel base (mm) 1,935 (76.2”) (Distance between shafts) Min. Ground Clearance (mm) 350 (13.8”) Front 9.5-18-8PR (39.8 PSI)
  • Page 98 Traveling Speed : Km/hour (mile/hour) MODEL T433/T503 Range shift Main shift Forward Reverse 0.61 (0.38) 0.51 (0.32) 0.80 (0.50) 0.68 (0.42) 1.23 (0.76) 1.04 (0.65) 1.45 (0.90) 1.22 (0.76) 1.72 (1.07) 1.45 (0.90) 2.29 (1.42) 1.93 (1.20) 3.49 (2.17) 2.94 (1.83) 4.12 (2.56)
  • Page 99 Traveling Speed : Km/hour (mile/hour) MODEL T553 ROLL-BAR Range shift Main shift Forward Reverse 0.65 (0.40) 0.55 (0.34) 0.87 (0.54) 0.73 (0.45) 1.32 (0.82) 1.11 (0.69) 1.56 (0.97) 1.32 (0.82) 1.86 (1.16) 1.57 (0.98) 2.46 (1.53) 2.08 (1.29) 3.76 (2.34) 3.17 (1.97) 4.44 (2.76) 3.74 (2.32)
  • Page 100 Traveling Speed : Km/hour (mile/hour) MODEL T503 CABIN Range shift Main shift Forward Reverse 0.66 (0.41) 0.56 (0.35) 0.88 (0.55) 0.74 (0.46) 1.34 (0.83) 1.13 (0.70) 1.58 (0.98) 1.33 (0.83) 1.88 (1.67) 1.58 (0.98) 2.49 (1.55) 2.10 (1.30) 3.80 (2.36) 3.21 (1.99) 4.49 (2.79) 3.78 (2.35)

  • Page 101: Fuel Saving Tips

    FUEL SAVING TIPS To save fuel & oil in your tractor, following things should always be kept in mind. A) Air cleaning system 1) Clean the air cleaner regularly so that dust does not settle down. 2) For every 50 hours & everyday in sandy/dusty conditions. (a) Clean the air cleaner filter element with compressed air.
  • Page 102 Lubrication system 1) Always use recommended grade of oil. 2) Everyday before starting the engine, check the oil level with a dipstick & refill between the minimum & maximum level. 3) Charge the engine oil, Replace filter & “O” ring, as & when required. F) Cooling system 1) Check the fan belt tension regularly.
  • Page 103 FAULT TRACING SYMPTOM CAUSE REMEDY Turning the main switch Clutch not pushed in Push the clutch in will not operate the starter Battery flat Charge or replace the battery Dealer to repair or replace Switch faulty Contact dealer for repair or replace Starter operates but not Low battery...
  • Page 104 SYMPTOM CAUSE REMEDY White smoking from the Oil level too high Reduce to correct quantity exhaust Shortage of or faulty fuel Contact dealer for repair Reduced performance of The injectors are clogged, Contact dealer for repair the engine carbon coated and sticking Low compression Leaking valve seat Contact dealer for repair...
  • Page 105 SYMPTOM CAUSE REMEDY Incorrect adjustment Adjust to correct free play The clutch slips Worm or burnt lining Contact dealer for repair The clutch does not Incorrect adjustment Adjust to correct free play disengage Rusty clutch lining Contact dealer for repair Incorrect free play Worm Adjust to correct free play Brake not working...
  • Page 106 SYMPTOM CAUSE REMEDY Steering wheel shaking Wrong toe-in Adjust toe-in Unequal tire pressure Inflate both to correct pressure Loose component Tighten or replace if worn Excessive play in the Worn steering shaft Contact dealer for repair steering Worn components Contact dealer for repair Flat battery Faulty wiring Repair,reconnect or tighten as...
  • Page 107 T433/T503/T553 CABIN TYPE WIRING DIAGRAM (A3)
  • Page 108 T433/T503/T553 ROLL-BAR TYPE WIRING DIAGRAM (A3)
  • Page 109 T433/T503/T553 ELECTRIC SYSTEM DIAGRAM...
  • Page 110 T433/T503/T553 ROLL-BAR WIRING DIAGRAM...
  • Page 111 T433/T503/T553 CABIN WIRING DIAGRAM...
  • Page 112 T433/T503/T553 CABIN WIRING DIAGRAM...
  • Page 113 T433/T503/T553 CABIN WIRING DIAGRAM...
  • Page 114 ▶Drawing for fixing position of the fuse ▶Wiring diagram of the electric instrument 1. PANEL 2. LIGHT, HORN 3. WORKING LIGHT 4. STOP LAMP 5. TURN SIGNAL 5. TURN SIGNAL 6. CONTROLER 7. ENGINE STOP 8. FUEL PUMP 9. COUPLER 10.
  • Page 115 ◎ ◎ ◎ ◎ T553(T433/T503) POWER TRAIN...
  • Page 116 TRACTOR HISTORY CARD NATURE OF JOB CARD W/CLAIM NO. DATE PARTS REPLACEMENT REMARKS AND DATE DEFECT...
  • Page 117 SERVICE RECORD DATE TRACTOR HOURS NATURE/TYPE OF REPAIR/SERVICE CARRIED OUT...
  • Page 118 DAILY OPERATION LOG MACHINE HOURS FUEL ENGINE OIL DATE REMARKS DONE CONSUMPTION TOPPED UP START...
  • Page 119 PART REPLACEMENT RECORD PART PART DATE Q’TY COST DATE Q’TY COST DESCRIPTION DESCRIPTION...
  • Page 120 T433/T503/T553 OPERATOR’S MANUAL FOR TRACTORS CODE NO. 1517-940-001-0 Printed on March. 2008 1st EDITION...

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