Kioti daedong ds4110 tractor service repair manual

DS4110(HS)/4510(HS)
workshop manual
영M50HS_01장_안전.indd 1 2010-06-28 오후 5:56:36

We reserve the right to make changes
throughout the entire manual at any time
without notice.
•
REMARK
Using unspecified parts, fuel and lubricants
other than DAEDONG's genuine parts can
damage the tractor and such damage will not
be covered by warranty.
•
Important
PREFACE
This manual is to provide servicing personnel with information on the general speci-
fications, service, operating principle, troubleshooting, exploded view including part
name, removing and installing procedures for DS4110(HS)/4510(HS) superior tech-
nology tractors.
All information in this manual is based on the latest product information available at
the time of publication. Therefore, some of the information in this manual may differ
from the machine you have.
KIOTI is commited to updating snd revising future editions of this manual. However,
KIOTI has no obligation to modify the contents in this manual, especially the contents
in the manual which are already distributed or published.
Intent of this manual is to satisfy customers with me best performance of their tractor.
If there are any typographical errors, wrong information or questions for this manual,
feel free to contact KIOTI.
2010. 05
service division
DAEDONG INDUSTRIAL Co., Ltd.
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CHAPTER 1 SAFETY FIRST
CHAPTER 2 GENERAL
CHAPTER 3 ENGINE
CHAPTER 4 CLUTCH
CHAPTER 5 TRANSMISSION
CHAPTER 6 REAR AXLE
CHAPTER 7 BRAKE
CHAPTER 8 FRONT AXLE
CHAPTER 10 HYDRAULIC SYSTEM
CHAPTER 11 ELECTRIC SYSTEM
CHAPTER 9 STEERING SYSTEM
CHAPTER 12 INDEX
TABLE OF CONTENTS
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TABLE OF CONTENTS
1. SAFETY DECALS.................................... 1-2
1.1 Alert symbols...........................................1-2
2. Safety tips........................................... 1-3
2.1 Safety gear..............................................1-3
2.2 Workplace ..............................................1-3
2.2.1 Ventilating system..........................1-3
2.2.2 Safe workplace..............................1-3
2.2.3 Illumination....................................1-3
2.2.4 Safety equipment...........................1-3
2.2.5 keeping your work area clean........1-3
2.3 Safety instructions when preparing tractor..... 1-4
2.4 Fire..........................................................1-4
2.5 Cautions when handling the battery........1-5
2.6 Cautions for high pressure hoses.................1-5
2.7 Use of appropriate tools and equipment......... 1-6
2.8 Handling of hazardous materials................ 1-6
2.9 Handlingofrotatingblade,shaftanddrivingbelt.........1-7
2.10 Scald prevention.....................................1-7
2.11 Disposal of environmental waste............1-8
2.12 Cautions when handling tires..................1-8
3. Safety decals.................................... 1-9
3.1 The location of safety decal....................1-9
DS4110(HS)/4510(HS) CHAPTER 1SafetyFirst
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1-
SAFETYFIRSTGENERALENGINECLUTCHTRANSMISSIONREARAXLEBRAKEFRONTAXLESTEERINGHYDRAULICELECTRIC
1. SAFETY DECALS
Most accidents can be avoided if basic safety in-
structions and regulations are followed. Always fol-
low the safety regulations and avoid any dangerous
situation to prevent an accident.
You can be unexpectedly injured if inspecting or
servicing the tractor without full knowledge of it.
Read the manual carefully before starting any type
service, and follow the instructions on service,
maintenance and inspection to prevent any injury.
•
•
1.1 Alert symbols
The meanings of the safety-alert symbols used in this manual are as follows:
A. Remark
Broaden your knowledge with supplied service in-
formation for optimal performance.
•
C. Caution
This mark indicates potentially hazardous situations
which, if not observed, may result in serious injury.
•
S76W002A
Remark 주 의
S76W004A
CAUTION
S76W003A
B. Important
This mark places emphasis on information which
can be confusing when servicing. If this information
is not carefully read and observed, the tractor may
not function properly or may be damaged.
•
D. Warning
This mark indicates hazardous situations which, if
not observed, may result in death or injury.
•
S76W005A
WARNING
매뉴얼 숙지 !
S76W001A
reaD manual!
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1-
S76W006A
S76W007A
2. Safety tips
2.1 Safety gear
2.2.1 Ventilating system
Any type of service should be performed in a well-ven-
tilated area. If the engine should be started in an en-
closed place, an exhaust vent pipe should be installed
to the outside.
California Proposition 65 Warning
Inhaling exhaust gas can cause cancer or damage
the generative function leading to infertility.
•
WARNING
When working on the tractor, wear safety gloves, safety
shoes, ear plugs, safety goggles, safety helmet, work-
ing clothes, etc. appropriate for your working environ-
ment.
Never wear loose fitting clothing or a tie which can be
caught by rotating parts. According to the statistics,
most accidents occurring with rotating parts are due to
inappropriate or loose fitting clothing.
2.2 Workplace
S76W008A
2.2.2 SAFE WORKPLACE
All work should be performed in a wide, level and safe
place to prevent slips and fall accidents.
2.2.3 Illumination
The work place should be well illuminated. If working
in a dark place or under the tractor, use an approved
work lamp. The work lamp should be covered with a
safety hot cover. Bulbs can catch on fire if they come in
contact with fuel.
2.2.4 Safety equipment
Be sure to keep a first aid kit and fire extinguisher han-
dy at all times.
2.2.5 KEEPING YOUR WORK AREA CLEAN
Keep the working area clean before and during work. If
any oil or fuel is spilled, it should be cleaned up imme-
diately to prevent falls.
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1-
S76W009A
S76W010A
Always ensure all implements are lowered to the
ground prior to working on the tractor.
•
2.3 Safety instructions when
preparing THE tractor
Stop the engine and remove the key.
Put No Operation label on the tractor if necessary.
•
•
S76W012A
Keep flames or sparks away from fuel containers,
spray paint, etc. and be careful of leaks.
•
S76W013A
Disconnect the negative battery cable.
Always disconnect the battery cable for fire preven-
tion before performing service.
Be extra cautious of fire when welding.
•
•
•
S76W014A
Always keep a fire extinguisher in the workplace.•
S76W011A
Never smoke or allow flames or sparks in your work
area when performing maintenance.
•
2.4 FIRE
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1-
2.5 Cautions when handling the
battery
Always disconnect the negative battery cable first
and reconnect it last to avoid sparks from an acci-
dental short circuit. Otherwise, it could result in fire
or injury.
•
2.6 Cautions for high pressure hoses
S76W015A
A battery can be very hazardous because it con-
tains sulfuric acid. It can damage your clothes, and
even burn your skin when directly contacted. If it
contacts with your eyes, you could lose your sight.
•
S76W018A
Hydraulic fluid leaking from high pressure hoses
or pipes can penetrate your skin.
•
S76W019A
Before connecting a high pressure hose or pipe,
stop the engine and depressurize it by. Check bolts
for proper torque before starting the engine after
hydraulic system service.
Use a cardboard or plank when checking for leaks.
Never use your hands !
•
•
•
S76W020A
Never weld a high pressure pipe or the surrounding
area. The pipe or hose can be heated and explode
which can lead to fire or severe burns.
•
S76W021A
Do not charge a frozen battery. Charging a frozen
battery can cause explosion. Let the battery warm
up to ambient temperature (16°C, 60°F) before
charging.
Keep sparks and flames (match, lighter) away from
the battery to prevent an explosion. Never connect
the battery's negative and positive cables together
to test. Use only an approved tester when checking
removed the battery voltage.
•
•
S76W017AS76W016A
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1-
2.8 Handling of hazardous materials
All genuine KIOTI parts are asbestos free.
Remark
When lifting the tractor with a hydraulic jack or a
hoist, connect the tool securely to the tractor before
lifting, use auxiliary supports to suspend equipment
in place and install the auxiliary support. Never work
under the tractor if the support and the hydraulic
jack (hoist) are not installed.
When using a hydraulic jack or a hoist, do not at-
tempt to exceed the safe lifting capacity of the de-
vice.
Make sure that the hydraulic lock operates properly
before used. Improper use of lock can cause a seri-
ous accident.
Check the buttons and operating direction of the
hoist before using it. Improper operation can cause
a serious accident.
Do not use wooden blocks or bricks as support un-
der the tractor. As the tractor's weight is continuous-
ly applied to them, they can be broken or collapse.
Failure to follow these warnings could cause seri-
ous damage to equipment and lead to serious injury
or death to the operator/technician.
•
•
•
•
•
•
S76W022A
Do not use compressed air to remove hazardous
materials, such as clutch dust. Inhaling such haz-
ardous materials can damage your health.
•
These materials should be rinsed or wiped away
after sprayed with oil.
•
2.7 Use of appropriate tools and
equipment
Use the correct tools in proper size. If an inappropri-
ate tool is used, it can slip which can damage parts
or injure you.
Do not confuse units (mm, inch, etc.). Use air driven
impact wrench only when loosening bolts or nuts.
Impact wrenches should not be used when assem-
bling precisely machined parts requiring specific
tightening torques. Failure to follow these sugges-
tions could result in premature failure or improper
operation of a specific part.
Make sure impact tools are securely fastened to
hard ware. Impact tools can easily dislodge of injure
the operator.
•
•
•
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1-
2.9 Handling of rotating blade,
shaft and driving belt
Do not place hands or feet near the tractor's PTO
shaft or rotating blades.
Be extra careful when you are in loose clothes.
Loose clothing could create an entanglement hazard.
•
•
2.10 SCALD PREVENTION
You can be seriously injured if your hand or clothes
is caught by a rotating fan belt or A/C belt.
•
Do not place hands near the engine cooling fan or
drive belts when the engine is running.
•
S76W027A
S76W025A
S76W026A
S76W023A
S76W024A
Do not open the radiator cap when the radiator is
hot. Hot coolant or fumes can escape leading to a
serious burn.
•
Check the surface temperature of the engine before
draining the engine oil, transmission fluid, coolant,
etc. If it is hot, let it cool down before draining it.
Only perform service on the engine or parts (muffler,
exhaust manifold, turbocharger, etc.) when they are
cool.
Hot fluids or engine parts can seriously injury or
burn you.
•
•
•
S76W028A
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1-
S76W029A
Observe relevant environmental protection regula-
tions when disposing used oil, transmission fluid,
coolant, oil filter, etc. Otherwise, they can pollute the
environment seriously and you could be charged in
violation of regulations.
•
S76W030A
S76W031A
Do not weld or apply heat to the tire rim or disc. The
tire can explode due to the rapidly increased pres-
sure in the tire.
Check tires for proper inflation pressure, damage,
deformation, extended wear on lug and damage of
rim and disc. Also check for proper torque wheel
bolts, rim bolts and nuts are loose.
•
•
The tire rims can fall out of the tires. Therefore,
stay out of its way when checking or inflating tires.
Improper tire inflation can cause tires to slide off of
rims. When checking tire pressure or inflating tires,
do not stand directly in front of the rim/tire. Posi-
tion yourself adjacent to the rim/tire, out of the way
should a failure occur.
•
2.11 Disposal of environmental
waste
2.12 Cautions when handling tires
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1-
3. Safety decals
When replacing an existing part with a new one, attach the same safety decal to the new part. Otherwise,the
customer's safety will be threatened.
If a decal is damaged or detached, attach a new decal to the part.
The decals and their attaching locations are as follows.
There are part numbers on the bottom of each decal.
•
•
•
•
8
6
7
H61W001A
3.1 THE LOCATION OF SAFETY DECAL
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1-10
(1) t2615-54112
ONLY use diesel.
T2615-54112
Avoid flames and sparks.
STOP engine while refueling.
WARNING
(3) t2325-50743
(4) t4625-52351
(2) t2615-53561
(5) t4625-52361
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1-11
(6) t4625-53191
(7) t2241-50702
TO AVOID POSSIBLE INJURY OR DEATH
1.
2. Do not start engine by shorting across starter terminals.
Machine may start in gear and move if normal starting
circuitry is bypassed.
Start engine only from operator’s seat with transmission
and PTO in neutral.
Never start engine while standing on ground.
T2241-50702
1. Before leaving the tractor, park the tractor on lev-
el ground, apply the parking brake, disengage the
P.T.O. and stop the engine.
2.Avoid accidental contact with the gear shift levers
while the engine is running as unexpected tractor
movement can result. T4625-53191
(8) t2625-55111
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MEMO
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TABLE OF CONTENTS
1. DESCRIPTION FOR SYMBOLS AND
ABBREVIATIONS.................................... 2-2
2. TRACTOR APPEARANCE...................... 2-3
3. SERIAL NUMBER.................................... 2-3
3.1 Tractor serial number location.................2-3
3.2 Engine serial number location.................2-4
3.3 Transmission serial number location.......2-4
4. DIMENSIONS........................................... 2-5
5. SPECIFICATIONS.................................... 2-6
6. DRIVING SPEED...................................... 2-7
6.1 Gear arrangement...................................2-7
6.1.1 Arrangement of main shift gear and
rear axle gears...............................2-9
6.1.2 Rolling circumference of front and rear
wheels.................................................2-9
6.2 Rotating speed ratio (engine vs. Rear axle)........2-10
6.2.1 Driving.........................................2-10
6.2.2 Reverse driving speed................. 2-11
7. RELATIVE SPEED RATIO OF FRONT
WHEELS................................................ 2-12
7.1 Calculation for relative speed ratio of front
wheels...................................................2-12
7.2 How to measure the actual rolling circum-
ference..................................................2-13
8. MAINTENANCE..................................... 2-14
8.1 Maintenance schedule chart.................2-14
8.2 Lubrication and replenishment..............2-16
9. TIRE MAINTENANCE............................ 2-17
9.1 Specified inflation pressure...................2-17
9.2 Tightening torque for wheel bolt............2-17
10. TIGHTENING TORQUES...................... 2-18
10.1 General use screws, bolts and nuts......2-18
10.2 Stud ......................................................2-18
10.3 American standard screws, bolts and nuts
with unc or unf threads..........................2-19
11. PART NUMBER ASSIGNMENT STANDARD
FOR DAEDONG BOLTS AND NUTS....... 2-20
11.1 Bolts......................................................2-20
11.2 Nuts.......................................................2-21
12. HOW TO INSTALL SPRING PIN AND
SNAP RING........................................... 2-22
12.1 Spring pin installation............................2-22
12.2 Snap ring assembly...............................2-22
13. UNIT CONVERSION TABLE................ 2-23
CHAPTER 2GENERALDS4110(HS)/4510(HS)
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2-
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Fuel-level High speed range
Engine coolant-
temperature
Mid speed range
Parking brake Low speed range
Battery not charged Neutral position
Engine oil pressure Low coolant level
Turn signal lamp Preheat
PTO clutch control -
engaged
Q/T (Quick Turn) lamp
PTO clutch control -
disengaged
High travel light
Differential lock Low travel light
Position control
Automatic draft
operation
Hazard warning
lamp
Automatic horizontal
operation
Headlamp - low
beam
Automatic tilling depth
operation
Headlamp - high
beam
Turn up light
Front wheel drive -
engaged
Back up light
High speed Automatic
Low speed
Brake (one side
engaged)
Creep speed
Symbols Abbreviations
4WD........Four wheel drive•
API..........American petroleum
institute
•
ASAE......American Society ofAgri-
cultural Engineers
•
ASTM......American Society forTest-
ing and Materials
•
Hi-Lo.......High speed-low speed•
m/s..........Meter per second•
P.T.O........Power take-off•
RH/LH.....Right hand side and left
hand side
(determined based on driv-
ing direction)
•
ROPS......Roll over protection
structure
•
rpm.........Revolutions per minute•
SAE.........Society ofAutomotive
Engineers
•
SMV........Slow moving vehicle•
1. DESCRIPTION FOR SYMBOLS AND ABBREVIATIONS
There are various symbols used in this manual. Their design and meanings are as follows:
GENERAL -DESCRIPTION FOR SYMBOLS
AND ABBREVIATIONS
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DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Year of manufacturing
Example)
2. TRACTOR APPEARANCE
H61W101A
3. SERIAL NUMBER
3.1 TRACTOR SERIAL NUMBER LOCATION
H61W102A
K H 6 1 0 0 0 0 1
�
�
�
�
1 2001
2 2002
3 2003
D 2004
E 2005
F 2006
G 2007
H 2008
J 2009
K 2010
�
�
�
�
�
�
�
�
H61 DS4510
H64 DS4510HS
�
�
�
�
Tractor serial number assignment standard
The tractor's serial number plate (1) is located on the
right side of the front axle frame..
Production serial number
Example) 0 0 0 0 1: The first chassis manu-
factured in that year
Model
Example)
GENERAL -
TRACTOR APPEARANCE / SERIAL NUMBER
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DH64-W00 May. 2010
DS4110(HS)/4510(HS)
3.2 ENGINE SERIAL NUMBER LOCATION
The transmission serial number is stamped on the
transmission machined area located above the PTO
cover of the tractor rear.
3.3 TRANSMISSION SERIAL NUMBER
LOCATION
H61W104A
The engine number is stamped on the machined front
surface of the fuel injection pump.
H61W103A
For detailed information on how the engine number
is assigned, refer to chapter Engine.
remark
J K 1 8 0 0 0 0 2
Engine number assignment standard
Production serial number
Engine model (4A220LWE)
Year of manufacturing
REMARKS
GENERAL - SERIAL NUMBER
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DH64-W00 May. 2010
DS4110(HS)/4510(HS)
4. DIMENSIONS
mm (in.)
Item DS4110(HS) DS4510(HS) REMARKS
A : Overall length 3,410 (134.2) ← Including 3 - point hitch
A1 : Overall length 3,650 (143.7) ← With 3 - point hitch front weight
B : Overall width 1,625 (63.9) 1,760 (69.2) Minimum tread
C : Overall height 2,415 (95.0) 2,445 (96.2) With ROPS
D : Wheel base 1,880 (74.0) ← -
E : Tread
E1: Front 8 - 16 1,245 (49.0) 1,365 (53.7) Standard
E2: Rear 13.6 - 24
1,262 ~ 1,515
(49.7 ~ 59.6)
1,370 ~ 1,515
(53.9 ~ 59.6)
Standard
F : Min. ground clearance 375 (14.7) 405 (15.9) -
E1 E2 B
C
F
D
A
A1
H61W105A
GENERAL - DIMENSIONS
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DH64-W00 May. 2010
DS4110(HS)/4510(HS)
5. SPECIFICATIONS
Model DS4110/DS4110HS DS4510/DS4510HS
Engine
Model 4A200LWE 4A220LWE
Type
4Cyl., In-line Vertical,
Water-cooled
diesel engine
←
Max. power HP (Kw)/rpm 41 (30.5) / 2600 45 (33.6) / 2600
Number of cylinders 4 ←
Bore x stroke mm (in.) 83×92.4 (3.3×3.6) 87×92.4 (3.4×3.6)
Displacement cc (cu in.) 1,999 (121.98) 2,197 (134.06)
Rated revolution (rpm) 2600 ←
Injection timing BTDC 18º ←
Injection sequence 1 - 3 - 4 - 2 ←
Compression ratio 22 :1 ←
Capacity
Fuel tank ℓ (U.S.gal) 45 (11.9) ←
Engine crankcase ℓ (U.S.gal) 8.0 (2.11) ←
Engine coolant ℓ (U.S.gal) 8.9 (2.35) 8.7 (2.30)
Transmission case ℓ (U.S.gal) 52 (13.74) ←
Support of front axle ℓ (U.S.gal) 7.5 (1.98) ←
Drive
train
Clutch Dry type single stage ←
Transmission
Main shift 4 ←
Shuttle
Constant mesh /
Synchro mesh hyd. clutch
←
Range shift 2 ←
Speeds 8Fx8R ←
Brake Wet disc type ←
4WD system Manual ←
Differential lock Rear Standard ←
Tire size
Front (Ag, Turf, Ind) 8-16, 27x8.5-15, 10-16.5 8-16, 29x12.5-15, 12-16.5
Rear(Ag, Turf, Ind) 13.6-24, 41x14-20, 14.9-24
13.6-24, 21.5L-16.1,
17.5L-24
Hydraulic
system
Hydraulic lift control Position control ←
Steering type
Hydrostatic Power
Steering
←
Pump capacity
Lifting ℓ/min (gpm) 31.2 (8.24) ←
Steering ℓ/min (gpm) 18.7 (4.94) ←
3-point hitch Category I ←
Lift capacity at lift point kg (lbs) 1,334 (2,940) ←
Lift capacity at 24 in. behind lift point kg (lbs) 1,131 (2,493) ←
Aux. hydraulic valve - -
PTO
Type Independent ←
PTO shaft size SAE 1-3/8, 6 spline ←
PTO speed (PTO rpm/Engine rpm) 540 / 2,451 ←
PTO power (MAX.) HP(KW)/rpm 34 (25.3) / 2600 38 (28.3) / 2600
Driving speed
Forward km/h (MPH)
1.75 ~ 24.14
(1.09 ~ 15.00)
←
Reverse km/h (MPH)
1.62 ~ 22.26
(1.01 ~ 20.53)
←
Turing radius (w/brake) m (ft) 2.91 (9.5) 3.13 (10.2 )
Weight (w/ROPS without tires) kg (lbs) 1,325 (2,921) ←
NOTE: The specifications are subject to change without notice.
GENERAL - SPECIFICATIONS
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DH64-W00 May. 2010
DS4110(HS)/4510(HS)
6. DRIVING SPEED
6.1 GEAR ARRANGEMENT
To calculate the driving speed, the rotating ratios for each gear should be calculated based on the transmission and
the gear arrangement of the rear axle beforehand.
Gear arrangement of transmission
6305R
6305R
22
6305R
25
26
69086207
6306A
12
63056206600662/3262/32
62056305
32*37*1732*37*17
6005
NUP307E
30305D
63056305
6305R6305R
23
19
33
1916
18
23
19
1411
2318
42
30
26
20
31
37
6
32
21
3624
29
33
28*33*2728*33*27
6205
HL1
6204
6305R6305R
6305R6305R
25*30*132EA25*30*2032*37*27
6305
32*37*27
62056305
25*30*2032*37*17X2EA
6305
6207
6807
DrivegearsMainshiftgearsRangeshiftgears
FrontwheeldrivegearsShuttleshiftgears
H61W106A
GENERAL - DRIVING SPEED
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2-
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Gear arrangement of transmission (HS MODEL)
31
6005
32*37*1732*37*17
63056205
17
30305D
27
6
42
NUP307E
39
30
62/3262/32600662066305
12
6306A
32*37*17X2EA
18
25*30*20
63056205
32
33
19
23
6305R6305R
63056305
6305
32*37*27
24
6305
32*37*2725*30*20
29
33
36
25*30*132EA
62076908
25
2623
19
14
11
6305R
22
6305R
6305R
18
6305R6305R
6305R6305R
62046205
HL1
28*33*2728*33*27
18
2321
6807
6207
19
16
20
23
Shuttleshiftgears
DrivegearsRangeshiftgears
Frontwheeldrivegears
Mainshiftgears
HSLW201A
영M50HS_02장_일반.indd 8 2010-06-28 오후 6:01:51

2-
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
60136013
5110651106
63076307
6013ZZ
6013ZZ
11T11T
6209620962086208
3939
62086208
1111
23T23T
332/28JR
(KOYO)
9T9T
12T12T
14T
62126212 62126212
39T
23T
11T
16T
11T
9T
H61W108A
H61W107A
30209
20
12
32011
TC
6309BL307
NJ207E
NJ207E
T60
T11 T11
6309
BL307
T60
6210
11T
6T
60T
37T
Gear arrangement of rear axle
Gear arrangement of front axle
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2-10
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
6.1.1 Arrangement of main shift gear and rear axle gears
Drive gear
Main gear shift
gear
Shuttle gear Range shift gear Spiral bevel gear Final drive gear
25
26
1:
11
36
F:
19
23
H:
32
17
6
37
11
60
2:
14
33
R:
16
18
x
18
21
L:
18
42
3:
19
29
4:
23
24
Example for calculating the rotating speed ratio of rear axle (forward, high speed, 1st gear)•
Drive
gear
1st Forward
High
speed
Spiral
bevel pinion
Final drive
25
26
x
11
36
x
19
23
x
32
17
x
6
37
x
11
60
= 0.01358•
= Rotating speed of rear axle / engine rpm
Example) Rotating speed of rear axle (at engine speed of 2600 rpm, forward, high speed, 1st gear)
: 2600 x 0.01323 = 34.4 RPM
The rear tire specifications and tire circumference
are specified by the tire manufacturer based on
the inflation pressure of the standard tire and the
standard load application. Therefore, the actual cir-
cumference may be different depending on condi-
tions. As a result, it is recommended that the actual
circumference value be used.
•
6.1.2 ROLLING CIRCUMFERENCE OF FRONT
AND REAR WHEELS
Model Tire Tire size
Rolling circumference
Inch m
DS4110
/4510
AG
Front 8-16 92.7 2.355
Rear 13.6-24 141.8 3.602
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2-11
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Item
DS4110(HS) / 4510(HS) (AG 13.6-24)
km/h MPH
Low speed
(L)
1st 1.75 1.09
2nd 2.43 1.51
3rd 3.76 2.34
4th 5.50 3.42
High speed
(H)
1st 7.70 4.78
2nd 10.69 6.64
3rd 16.50 10.25
4th 24.14 15.00
Calculation of driving speed
Forward driving speed table (at 2600 rpm)
6.2 ROTATING SPEED RATIO (ENGINE VS.
REAR AXLE)
6.2.1 DRIVING
* At rated engine rpm (2,200 rpm) with standard tires.
Driving speed
(km/h)
=
Rear
axle rpm
x
Rolling circumference
of rear wheels
x
60
1000
=
Engine
rpm
x
Rotating
speed ratio
of rear axle
x
Rolling
circumference
of rear wheels
x
60
1000
영M50HS_02장_일반.indd 11 2010-06-28 오후 6:01:51

2-12
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Reverse driving speed table
Item
DS4110(HS) / 4510(HS) (AG 13.6-24)
km/h MPH
Low speed
(L)
1st 1.62 1.01
2nd 2.24 2.07
3rd 3.47 3.20
4th 5.07 4.68
High speed
(H)
1st 7.10 6.55
2nd 9.86 9.09
3rd 15.22 14.04
4th 22.26 20.53
6.2.2 REVERSE DRIVING SPEED
• FORWARD AND REVERSE DRIVING SPEED RATIO
Forward/reverse speed ratio =
Speed ratio for forward gear
Speed ratio for reverse gear
=
19
23
= 1.08424

16
18
x
18
21
Therefore, the reverse driving speed for the mechanical type tractor is 92.23% of the forward driving speed.
Reverse driving speed = forward driving speed x 0.9223
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2-13
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Example) The speed ratio of the front axle for high speed and 1st gear can be calculated as follows:
25
26
x
11
36
x
19
23
x
32
17
x
25
26
x
20
31
x
9
23
x
11
16
x
11
39
= 0.0215
Drive
gear
Main gear
shift gear
Shuttle gear Range shift gear Idle gear
FWD
shifting
Front axle spiral
bevel gear
Upper
bevel
Final drive
bevel gear
25
26
1:
11
36
F:
19
23
H:
32
17
25
26
20
31
9
23
11
16
11
39
2:
14
33
R:
16
18
x
18
21
L:
18
42
3:
19
29
4:
23
24
7. RELATIVE SPEED RATIO OF FRONT WHEELS
It is ideal to set the speed of the front wheels to 1 ~ 5%
faster than the rear wheels when the front wheel drive
is in operation. However, some agricultural or industrial
tires may not fulfill this function. Therefore, DAEDONG
allows 0 ~ 7% of the relative speed ratio for front
wheels.
If this relative speed ratio is not proper during driving
with front wheel drive engaged, the tractor may be dif-
ficult to drive straight forward and the mechanical shift
system may be difficult to disengage. Also, the durable
life of front tires, the gears for the front axle or the drive
connecting system for the front axle may be affected.
7.1 CALCULATION FOR RELATIVE SPEED
RATIO OF FRONT WHEELS
The relative speed ratio for front wheel is calculated as
follows:
The speed ratio between the front axle and the rear
axle is calculated with the gear arrangement of the
transmission and the front axle. (Refer to the figure in
the section 6.1 GEAR ARRANGEMENT)
Arrangement of main shift gear and front axle gears
First, calculate the GEAR revolution ratio of the front axle referring
to the arrangement table of the main gear shift and front axle gear.
(Refer to the section 6.1 GEAR ARRANGEMENT.)
▶
GENERAL -
RELATIVE SPEED RATIO OF FRONT WHEELS
영M50HS_02장_일반.indd 13 2010-06-28 오후 6:01:52

2-14
DH64-W00 May. 2010
DS4110(HS)/4510(HS)
Calculate the gear revolution ratio of the rear axle referring to the
arrangement table of the main gear shift and rear axle gears (6.1.1).
Example) The speed ratio of the rear axle for high speed and 1st gear is 0.01358 based calculation in page 1-9.
Since
▶

Therefore, the relative
speed ratio for front wheel
=
(speed of front wheels
÷ speed of rear wheels)
Example) The relative speed ratio of the front wheels for DS4110(HS) / 4510(HS) based on the above formula is
as follows
Answer) Rotating ratio between the front and rear wheels for DS4110(HS) / 4510(HS) = 1.5832
Circumference of front wheel = 92.7 in.
Circumference of rear wheel = 141.8 in.
=
Rolling circumference of front wheels x rotating ratio
Rolling circumference of rear wheels
92.7 x 1.5832
141.8
= 1.035 → The front wheels rotate 3.5% faster than the rear wheels.
7.2 How to measure the actual rolling circumference
The tire rolling circumference in the tire catalog supplied by the manufacturer may differ from the actual rolling cir-
cumference. Therefore, follow the procedures below to measure the actual rolling circumference.
Adjust the inflation pressure of the front and rear tires to the specified pressure.
Park the tractor on firm level ground.
Disengage the front wheel drive.
Mark on the rear tire and the ground where they meet.
Move the tractor slowly until the marks on the tire meet the ground again. Be sure to move the tractor straight.
Make a second mark on the ground where the mark of the tire contacts.
Measure the distance between the two marks on the ground.
The rolling circumference for the front tires can be measured with the same method. However, the front wheel
drive function should be disengaged.
Calculate the relative speed ratio of the front wheels based on the measured rolling circumference value as follows:
10. If necessary, install the most frequently used implement or a weight and repeat the same test.
11. If the relative speed ratio of the front wheels is over the specified value, check the tires for inflation pressure,
deformation and specifications.
• Specified relative speed ratio for front wheels: 1 ~ 5 %
• Allowable relative speed ratio for front wheels: 0 ~ 7 %
1.
2.
3.
4.
5.
6.
7.
8.
9.
Front wheel rolling circ. x revolution
Rear wheel rolling circ.
x 100%
Front wheel
rotating ratio
Front axle speed
reduction ratio
is,
0.0215
0.01358
= 1.5832
Rear wheel
rotating ratio
=
Rear axle speed
reduction ratio
GENERAL -
RELATIVE SPEED RATIO OF FRONT WHEELS
영M50HS_02장_일반.indd 14 2010-06-28 오후 6:01:52

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