TYM T233 HST Manual de usuario

TYM

TYMTYM

TYM

Service manual

for tractors

Model T233 T273

#604-9, Namsan-dong, Changwon-city, Kyungnam, Korea ■

■■

■TEL:82-55-279-4379, FAX:82-55-279-4447 ■

■■

■www.tym.co.kr

HST TRACTOR

T233/T273 HST

SERVICE MANUAL

Chapter 1. Introduction ------------------------------------

Chapter 2. Disassembly and reassembly of major point ------

Chapter 3. Engine accessories ------------------------------------

Chapter 4. HST system ---------------------------------------------

Chapter 5. Transmission -----------------------------------

Chapter 6. Front axle (4WD) ---------------------------------

Chapter 7. Rear axle and Brakes ---------------------------------

Chapter 8. Power steering system---------------------------------

Chapter 9. Hydraulic system -------------------------------------

Chapter 10. Electric accessories and instruments ----------

Chapter 11. Service standard and other information -----

Chapter 1

Introduction

INTRODUCTION-------------------------------------------------------------

SAFETY INTRODUCTION-------------------------------------------------

WARNING SIGNS IN THIS MANUAL----------------------------------

SAFETY SIGNS----------------------------------------------------------------

SAFETY DECALS-----------------------------------------------------------

UNIVERSALSYMBOLS---------------------------------------------------

SECTION 1. TRACTOR TYPESAND PUNCHED

IDENTIFICATION MARKS -----------------------------

SECTION 2. SPECIFICATIONS------------------------------------------

SECTION 3. GEAR TRAIN DIAGRAMS-------------------------------

1-01

1-02

1-04

1-05

1-10

1-13

1-14

1-16

1-19

SECTION 4. PRECAUTIONS FOR TRACTOR OPERATIONS---

1. INSTRUMENTS -------------------------------------------------------

2. CONTROLS -----------------------------------------------------------

3. FILLING DIAGRAM AND CAPACITY TABLE---------------

4. MAINTENANCE CHART -------------------------------------------

1-20

1-22

1-23

1-24

Chapter 1 .Introduction

This tractor service manual is for qualified service personnel engaged in servicing and

overhauling T233HST/T273HST tractor.Use of this publication is not recommended for field

operators since they usually do not have access to special tools and shop equipment essential for

most servicing.

Servicing procedures outlined herein contain sufficient information to return all component parts

of a tractor to new condition. In discussion of each component parts,it is assumed that a complete

overhaul is been performed,consequently,

complete disassembly and reassembly are outlined.The mechanic is relied upon to decide how far

disassembly must be carried when complete overhaul is not required.

Study unfamiliar service procedures thoroughly and clearly understood before attempting

disassembly. Specific data essential for proper overhaul,such as running clearances and torque

values,have been provided in interline of Inspection and reassembly procedures of each group

section.

This manual was compiled from latest information available at time of publication.

Manufacturer reserves the right to make changes at any time without notice.

Whenever the terms "left"and "right" are used, They means as viewed by the operator when

seated in the operator's seat.

1-1

SAFETY INSTRUCTION

ALWAYS PRACTICE SAFETY BY THINKING BEFORE ACTION

AVOID FIRE HAZARDS.

-Keep fire extinguishers easily available and in good operating condition.

All relevant personnel should know how to operate fire fighting equipment.

-Keep a first aid kit in an easily accessible location.

-Do not smoke while handling fuel,or other highly flammable material.

-Do not use an open pail for transporting fuel.

-Use of an approved fuel container.

-Dispose of all fuel-soaked rags in covered containers where cigarettes cannot be dropped

carelessly.

-Do not smoke and avoid open flame when charging,jumping,or boosting batteries.

-Batteries give off gas which is flammable and explosive.

-Do not charge batteries in a closed area. Provide proper ventilation to avoid explosion of

accumulated gases.

Avoid acid burns.

-Wear safety goggles when handling battery electrolyte.It contains sulfuric acid which is a poison

and can cause blindness.Avoid it contacting eyes,skin,or clothing. sulfuric acid will eat through

clothing and can cause severe burns to skin.

AVOID HIGH-PRESSURE FLUIDS

1) Before beginning work on hydraulic system components,turn off engine and operate hydraulic

control levers to relieve internal hydraulic pressure.

2) Oil under pressure can penetrate skin and lead to personal injury.Treat sources of oil pressure

with extreme care,wearing safety goggles.

3) If hydraulic leak develops,correct immediately.Escaping hydraulic oil can have extremely high

pressure. A stream of high pressure oil may easily penetrate skin just like modern needless

vaccination equipment,but with the exception that hydraulic fluid may cause blood poisoning.

It is imperative that connections are tight and that all lines and pipes should be in good condition.

If injured by escaping hydraulic fluid,see a doctor at once.

1-2

STAY CLEAR OF PTO

1) Entanglement in rotating drive line can cause serious injury or death.

2) Keep tractor master shield and drive line shield in place at all times except for special applications

as directed in the implement operator's manual.

3) Wear fairly tight tight fitting clothing.Stop the engine and be sure PTO driveline is stopped before

making adjustment,connections,or cleaning out PTO drive equipment.

SERVICE TIRES SAFELY

Tire changing can be dangerous and should be done by trained personnel using proper tools and

equipment.

Do not re-inflate a tire that has been run flat or seriously under-inflated.Have it checked by qualified

personnel.

Use wheel handling equipment adequate for weight involved when removing and installing wheels.

1-3

WARNING SIGNS IN THIS MANUAL

The following warning symbols in this manual draw additional attention to items of importance for the

safe and correct operation of the tractor.

SIGN MEANING OF SIGN

DANGER

Serious hazard with a very high level of risk of

either serious injury or death

WARNING

Hazard or unsafe practice that can lead to severe

injury or death.

CAUTION

Hazard or unsafe practice that can lead in injury

or death.

CAUTION

IMPORTANT

Instructions for the correct operation of the

machine which, if followed, will ensure that it

performs at it’s best

1-4

SAFETY SIGNS

SIGNALWORDS.

Asignal word―DANGER, WARNING OR CAUTION―is used

with safety alert symbol.

DANGER identifies the most serious hazards. Safety signs with

signal Word ―DANGER OR WARNING―are typically near

specific hazards. General precautions are listed on CAUTION

safety signs.

DANGER

WARNING

CAUTION

READ SAFETY INSTRUCTION

Carefully read all safety instructions given in this manual for your

safety. Tempering with any of the safety devices can cause serious

injuries

death

Keep

all

safety

signs

good

condition

Replace

RECOGNIZE SAFETY INFORMATION

This symbol, Safety-Alert Symbol, means ATTENTION! YOUR

SAFETY IS INVOLVED. The message that follows the symbol contains

important information about safety. Carefully read the message

1-5

injuries

death

Keep

all

safety

signs

good

condition

Replace

missing or damaged safety signs.

Keep your tractor in proper condition and do not allow any

unauthorized modifications to be carried out on the Tractor, which may

impair the function/safety and affect Tractor life.

PROTECTION CHILDREN

Keep children and others away from the Tractor while operating.

BEFORE YOU REVERSE

- Look behind Tractor for children.

- Do not let children to ride on Tractor or any

implement.

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. The ROPS, mounting

hardware, and seat belt should be checked after the first 100 hours

of Tractor and every 500 hours thereafter for any evidence of

damage, wear or cracks. In the event of damage or alteration, the

ROPS must be replaced prior to further operation of the Tractor.

The seat belt must be worn during machine operation when the

machine is equipped with a certified ROPS.

Failure to do so will reduce or eliminate protection for the

operator in the event of a roll over.

PRECAUTION TO AVOID TIPPING

Do not drive where the Tractor could slip or tip.

Stay alert for holes and rocks in the terrain, and other hidden

hazards.

Slow down before you make a sharp turn.

Driving forward out of a ditch or mired condition could cause

Tractor to tip over backward. Back out of these situations if

possible

1-6

possible

PARK TRACTOR SAFELY

Before working on the Tractor ;

Lower all equipment to the ground.

Stop the engine and remove the key

KEEPRIDERS OFF TRACTOR

Do not allow riders on the Tractor.

Riders on Tractor are subject to injury such as being stuck by

foreign objects and being thrown off of the Tractor

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.

STAYCLEAR OF ROTATING SHAFTS

Entanglement in rotating shaft can cause serious injury or death.

Keep PTO shield in place at all times.

Wear close fitting clothing. Stop the engine and be sure PTO drive

is stopped before making adjustments, connections, or cleaning out

PTO driven equipment.

ALWAYS USE SAFETY LIGHTS AND DEVICES

Use of hazard warning lights and turn signals are recommended

when towing equipment on public roads unless prohibited by state

or local regulations.

Use slow moving vehicle (SMV) sign when driving on public road

during both day & night time, unless prohibited by law

1-7

during both day & night time, unless prohibited by law

PRACTICE SAFE MAINTENANCE

Understand service procedure before doing work.

Keep the surrounding area of the Tractor clean and dry.

Do not attempt to service Tractor when it is in motion.

Keep body and clothing away from rotating shafts.

Always lower equipment to the ground. Stop the engine.

Remove the key. Allow Tractor to cool before any work repair is

caused on it.

Securely support any Tractor elements that must be raised for

service work.

Keep all parts in good condition and properly installed.

Replace worn or broken parts. Replace damage/missing decals.

Remove any buildup of grease or oil from the Tractor.

Disconnect battery ground cable(−) before making adjustments on

electrical systems or welding on Tractor

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