Kubota WSM STV32 Manuale di istruzioni

STV32,STV36,STV40

WORKSHOP MANUAL

TRACTOR

KiSC issued 04, 2006 A

TO THE READER

This Workshop Manual has been prepared to provide servicing personnel with information on the mechanism,

service and maintenance of STV32, STV36 and STV40. It is divided into three parts, "General", "Mechanism" and

"Servicing".

Information on the tractor identification, the general precautions, maintenance check list, check and maintenance

and special tools are described.

Information on the construction and function are included. This part should be understood before proceeding with

troubleshooting, disassembling and servicing.

Refer to Diesel Engine / Tractor Mechanism Workshop Manual (Code No. 97897-01872 / 97897-18200) for the one

which has not been described to this workshop manual.

Information on the troubleshooting, servicing specification lists, tightening torque, checking and adjusting,

disassembling and assembling, and servicing which cover procedures, precautions, factory specifications and

allowable limits.

All information illustrations and specifications contained in this manual are based on the latest product information

available at the time of publication.

The right is reserved to make changes in all information at any time without notice.

Due to covering many models of this manual, information or picture being used have not been specified as one

model.

KUBOTA Corporation 2004

BGeneral

BMechanism

BServicing

August 2004

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KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SAFETY INSTRUCTIONS

BEFORE SERVICING AND REPAIRING

ARead all instructions and safety instructions in this

manual and on your machine safety decals.

AClean the work area and machine.

APark the machine on a firm and level ground, and set

the parking brake.

ALower the implement to the ground.

AStop the engine, and remove the key

ADisconnect the battery negative cable

AHang a "DO NOT OPERATE" tag in operator

station.

SAFETY STARTING

ADo not start the engine by shorting across starter

terminals or bypassing the safety start switch.

ADo not alter or remove any part of machine safety

system.

ABefore starting the engine, make sure that all shift

levers are in neutral positions or in disengaged

positions.

ANever start the engine while standing on ground.

Start the engine only from operator's seat.

This symbol, the industry's "Safety Alert Symbol" is used throughout this manual and on labels on the machine

itself to warn of the possibility of personal injury. Read these instructions carefully.It is essential that you read the

instructions and safety regulations before you attempt to repair or use this unit.

AIndicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

AIndicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

AIndicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

AIndicates that equipment or property damage could result if instructions are not followed.

AGives helpful information.

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KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SAFETY INSTRUCTIONS

SAFETY WORKING

ADo not work on the machine while under the

influence of alcohol, medication, or other substances

or while fatigued.

AWear close fitting clothing and safety equipment

appropriate to the job.

AUse tools appropriate to the work. Makeshift tools,

parts, and procedures are not recommended.

AWhen servicing is performed together by two or

more persons, take care to perform all work safely.

ADo not work under the machine that is supported

solely by a jack. Always support the machine by

safety stands.

ADo not touch the rotating or hot parts while the

engine is running.

ANever remove the radiator cap while the engine is

running, or immediately after stopping. Otherwise,

hot water will spout out from radiator. Only remove

radiator cap when cool enough to touch with bare

hands. Slowly loosen the cap to first stop to relieve

pressure before removing completely.

AEscaping fluid (fuel or hydraulic oil) under pressure

can penetrate the skin causing serious injury.

Relieve pressure before disconnecting hydraulic or

fuel lines. Tighten all connections before applying

pressure.

AVOID FIRES

AFuel is extremely flammable and explosive under

certain conditions. Do not smoke or allow flames or

sparks in your working area.

ATo avoid sparks from an accidental short circuit,

always disconnect the battery negative cable first

and connect it last.

ABattery gas can explode. Keep sparks and open

flame away from the top of battery, especially when

charging the battery.

AMake sure that no fuel has been spilled on the

engine.

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KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SAFETY INSTRUCTIONS

VENTILATE WORK AREA

AIf the engine must be running to do some work, make

sure the area is well ventilated. Never run the engine

in a closed area. The exhaust gas contains

poisonous carbon monoxide.

PREVENT ACID BURNS

ASulfuric acid in battery electrolyte is poisonous. It is

strong enough to burn skin, clothing and cause

blindness if splashed into eyes. Keep electrolyte

away from eyes, hands and clothing. If you spill

electrolyte on yourself, flush with water, and get

medical attention immediately.

DISPOSE OF FLUIDS PROPERLY

ADo not pour fluids into the ground, down a drain, or

into a stream, pond, or lake. Observe relevant

environmental protection regulations when

disposing of oil, fuel, coolant, electrolyte and other

harmful waste.

PREPARE FOR EMERGENCIES

AKeep a first aid kit and fire extinguisher handy at all

times.

AKeep emergency numbers for doctors, ambulance

service, hospital and fire department near your

telephone.

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0000000760E

KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SAFETY INSTRUCTIONS

The following safety decals are installed on the machine.

If a decal becomes damaged, illegible or is not on the machine, replace it. The decal part number is listed

in the parts list.

SAFETY DECALS

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KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SAFETY INSTRUCTIONS

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KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SAFETY INSTRUCTIONS

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KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SPECIFICATIONS

SPECIFICATIONS

Model STV32 STV36 STV40

PTO power 17.7 kW (24.1 HP)* 20.2 kW (27.5 HP)* 22.8 kW (31.0 HP)

Engine

Maker KUBOTA

Model D1503-M D1703-M D1803-M

Type E-TVCS, water-cooled, 4-cycle diesel

Number of cylinders 3

Bore and stroke 83 x 92.4 mm (3.27 x 3.64 in.) 87 x 92.4 mm (3.43 x 3.64 in.) 87 x 102.4 mm (3.43 x 4.03 in.)

Total displacement 1499 (91.5 cu.in.) 1647 (100.5 cu.in.) 1826 (111.4 cu.in.)

Engine gross power 24.1 kW (32.3 HP)* 26.8 kW (35.9 HP)* 29.5 kW (39.5 HP)*

Rated revolution 2700 rpm

Maximum torque 99.2 (10.0 ) 108.3 (10.9 ) 120.7 (12.2 )

Battery 12 V, RC : 123 min, CCA : 490 A

Starting system Electric starting with cell starter 12 V, 1.4 kW

Lubricating system Forced Iubrication by trochoidal pump

Cooling system Pressurized radiator, forced circulation with water pump

Fuel Diesel fuel No. 2-D [above -10 (14 )], Diesel fuel No. 1-D [below 10 (14 )]

Capacities

Fuel tank 29.5 L (7.79 U.S.gals, 6.49 Imp.gals)

Engine crankcase

(with filter) 6.7 L (7.1 U.S.qts, 5.9 Imp.qts)

Engine coolant 6.1 L (6.4 U.S.qts, 5.4 Imp.qts)

Transmission case 22 L (5.81 U.S.gals, 4.84 Imp.gals)

Front axle case 4.0 L (4.2 U.S.qts, 3.5 Imp.qts)

Tires Front Farm:

6 - 12 Turf:

24 x 8.5 - 14 Farm:

6 - 12 Turf:

24 x 8.5 - 14 Farm:

6 - 12 Turf:

24 x 8.5 - 14

Rear 9.5 - 22 13.6 - 16 9.5 - 22 13.6 - 16 9.5 - 22 13.6 - 16

Dimensions

Overall length

(with 3P) 2860 mm (112.6 in.)

Overall width

(min. tread) 1220 mm

(48.0 in.) 1310 mm

(51.6 in.) 1220 mm

(48.0 in.) 1310 mm

(51.6 in.) 1220 mm

(48.0 in.) 1310 mm

(51.6 in.)

Overall height

(with ROPS) 2350 mm

(92.5 in.) 2340 mm

(92.1 in.) 2350 mm

(92.5 in.) 2340 mm

(92.1 in.) 2350 mm

(92.5 in.) 2340 mm

(92.1 in.)

Wheel base 1610 mm (63.4 in.)

Minimum ground

clearance 235 mm

(9.3 in.) 225 mm

(18.9 in.) 235 mm

(9.3 in.) 225 mm

(18.9 in.) 235 mm

(9.3 in.) 225 mm

(18.9 in.)

Tread

Front 1030 mm (40.6 in.)

Rear

950 mm

(37.4 in.)

1070 mm

(42.1 in.)

965 mm

(38.0 in.)

1055 mm

(41.5 in.)

950 mm

(37.4 in.)

1070 mm

(42.1 in.)

965 mm

(38.0 in.)

1055 mm

(41.5 in.)

950 mm

(37.4 in.)

1070 mm

(42.1 in.)

965 mm

(38.0 in.)

1055 mm

(41.5 in.)

KiSC issued 04, 2006 A

STV32 · STV36 · STV40, WSM SPECIFICATIONS

Note : * Manufacture's estimate.

The company reserves the right to change the specifications without notice.

Model STV32 STV36 STV40

Weight (with ROPS) 975 kg

(2150 Ibs) 995 kg

(2194 Ibs) 975 kg

(2150 Ibs) 995 kg

(2194 Ibs) 975 kg

(2150 Ibs) 995 kg

(2194 Ibs)

Travelling

system

Clutch Dry single plate

Steering Hydrostatic power steering

Transmission Main-hydrostatic transmission, range gear shift (3 forward and 3 reverse)

Brake Wet disk type

Min. turning radius

(with bi-speed turn) 2.2 m (7.2 feet) with brake, 2.5 m (8.2 feet) without brake

Differential Bevel gear

Hydraulic

system

Hydraulic control

system Position control

Pump capacity 3P : 22.3 L / min (5.9 U.S.gals / min, 4.9 Imp.gals min)

Power steering : 13.6 L / min (3.6 U.S.gals / min., 3.0 Imp.gals / min)

Three point hitch SAE Category 1

Max. lift

force

At lift

points 1150 kg (2535 Ibs)

24 in.

behind lift

points 890 kg (1962 Ibs)

PTO

system

Rear PTO shaft SAE 1-3/8, 6 splines

Revolution 2 speeds (540 rpm at 2670 engine rpm, 800 rpm at 2717 engine rpm)

Mid PTO shaft U.S.A. No.5 (KUBOTA 10-tooth) involute spline

Revolution 1 speed (2500 rpm at 2734 engine rpm)

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KiSC issued 04, 2006 A

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