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1. INSTRUCTIONS
This manual has been prepared to calculate the standard operation times needed to do individual servicing jobs.
Please make full use of this standard operation time when filling out the claim request forms.
1. Warranty Period
: The service jobs within warranty period are compensated by our company’s warranty agreement.
2. Job Code Number
: Please use the service job codes furnished in this manual when you fill out the warranty request forms.
* Note: Refer to “CLAIM SERVICE MENU” in the DOSS (DAEDONG OVERSEAS SERVICE SYSTEM) program for detail information.
3. Use the Flat Rate Schedule
To help dealers correctly identify the details of service work to be done, the schedule is edited to include exploded illustrations indicating
clearly the points of service and standard operation times. The exploded illustrations are provided with emphasis on DK45S(c),DK451(C),
DK501(C) tractor.
4. Standard Operation Time
The standard operation time is calculated based on some standard operation conditions and the time schedule is based on the service done
by a mechanic with average ability and experience.
5. Standard Operation Time Setting Condition
The time schedule has based on:
1. Use of farm implement service workshop installed by adequate repair condition and facilities.
2. Use of common tools, impacts and special tools.
3. Service done by a mechanic with average ability and experience.
4. Average time calculated after disassembling and servicing executed at three times.
5. Including the time to obtain necessary parts and tools.
6. The standard operation time for jobs requiring two people is listed as the time to be done by one person.
Therefore, the time should not be multiplied by two.
7. The calculating unit for the standard operation time is 6 minutes, one tenth of an hour.
8. Including the actual service time and the spare time.

2. 6. Standard Operation Time Structure
Standard Operation Time = [Service Time] + [Spare Time]
1. Service Time
The time spent by actual service job such as disassemble, assemble, clean, maintenance, measurement or driving test. But the time
spent by inspecting a special fault is excluded.
2. Spare Time
The time required to do job preparation, part transportation or other miscellaneous works for service job.
Spare Time Rate = Spare Time ÷ Service Time
Standard Operation Time = Service Time x (1 + Spare Time Rate)
7. R&R (Remove & Reinstall) Setting Item
: To remove and reinstall the same part or a new part for replacement, R&R items consist as following;
1) R&R includes machine in shop, fluid(s) drainage, removal and placement of the group or subgroup onto a service bed for inspection(s) or
replacement(s), removal from bed, installation, fluid(s) refill, adjustment(s) and operation test, if any.
2) R&R includes disassembly of a single component or group of components from a removed assembly, washing of parts, replacement(s),
if any, reassembly and adjustment(s) and operation tests if necessary.
3) R&R includes substitution of one or more parts from the complete machine or from a removed group, drainage and refilling of various
fluids, if necessary.
4) Disassemble(s) from the removed group, washing, inspection and measurement of components, replacement(s) and reassembly of
damaged parts are excluded.
8. The conditions to be excluded from the Warranty
1) Problem resulted in any natural disaster such as fire, flood and earthquake, etc.
2) Problem resulted in owner’s remodeling or changing the specifications.
3) Using any of non-genuine part.
4) Removal or Installation of farm implements not listed in the standard operation time items.
Due to our developing or improving the products, the information contained herein is subject to change without pre-notice.
INSTRUCTIONS

3. -3 -
TABLE OF CONTENTS
E010 CYLINDER BLOCK GROUP .................................................................................................................................................8
E020 OIL PAN GROUP .................................................................................................................................................................10
E030 CYLINDER HEAD GROUP ..................................................................................................................................................12
E040 GEAR CASE GROUP..........................................................................................................................................................14
E050 MAIN BEARING CASE GROUP ..........................................................................................................................................16
E070 MUFFLER GROUP ..............................................................................................................................................................18
E080 VALVE, ROCKER ARM GROUP .........................................................................................................................................20
E090 CYLINDER HEAD COVER GROUP ...................................................................................................................................22
E100 CAMSHAFT GROUP ............................................................................................................................................................24
E110 PISTON, CRANKSHAFT GROUP .......................................................................................................................................26
E120 FLYWHEEL GROUP ............................................................................................................................................................28
E130 NOZZLE, HOLDER GROUP................................................................................................................................................30
E140 FUEL CAMSHAFT GROUP .................................................................................................................................................32
E150 SPEED CONTROL PLATE GROUP ...................................................................................................................................34
E160 ENGINE STOP LEVER GROUP .........................................................................................................................................36
E170 GOVERNOR GROUP ..........................................................................................................................................................38
E180 WATER PUMP GROUP.......................................................................................................................................................40
E190 WATER PIPE GROUP.........................................................................................................................................................42
E200 DYNAMO GROUP ................................................................................................................................................................44
E220 MANIFOLD GROUP .............................................................................................................................................................46
E225 MANIFOLD GROUP .............................................................................................................................................................48
T100 CLUTCH GROUP .................................................................................................................................................................50
T110 CLUTCH LEVER GROUP ...................................................................................................................................................52
T120 CLUTCH HOUSING GROUP ...............................................................................................................................................54
T130 SHUTTLE GROUP ...............................................................................................................................................................56
T140 REVERSE SHAFT GROUP ................................................................................................................................................58
T150 SHAFT 1 GROUP ................................................................................................................................................................60

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5. -4 -
TABLE OF CONTENTS
T160 SHAFT 2 GROUP ................................................................................................................................................................62
T170 AUX. SPEED SYSTEM GROUP .........................................................................................................................................64
T180 PTO DRIVING SHAFT GROUP...........................................................................................................................................66
T190 PTO CLUTCH GROUP .......................................................................................................................................................68
T200 PTO SHAFT GROUP ..........................................................................................................................................................70
T210 FRONT WHEEL DRIVING GROUP ....................................................................................................................................72
T220 SPIRAL BEVEL GEAR GROUP ..........................................................................................................................................76
T230 SHUTTLE FORK LEVER GROUP ......................................................................................................................................78
T240 MAIN CHANGE FORK LEVER GROUP .............................................................................................................................80
T250 HI-LOW FORK LEVER GROUP .........................................................................................................................................82
T270 REAR DIFFERENTIAL SYSTEM GROUP...........................................................................................................................84
T280 DIFFERENTIAL LOCK FORK GROUP ...............................................................................................................................86
T290 BRAKE CASE GROUP .......................................................................................................................................................88
T300 PLANETARY GEAR GROUP ...............................................................................................................................................90
T310 REAR AXLE GROUP ...........................................................................................................................................................92
T320 HYDRAULIC CYLINDER GROUP .......................................................................................................................................94
T321 HYDRAULIC CYLINDER BODY GROUP............................................................................................................................96
T322 HYDRAULIC LIFT ARM GROUP .........................................................................................................................................98
T323 HYDRAULIC LIFT CONTROL GROUP 1..........................................................................................................................100
T324 HYDRAULIC LIFT INNER CONTROL GROUP 2 .............................................................................................................102
T325 TOP LINK BRACKETGROUP ...........................................................................................................................................104
T330 GEAR PUMP GROUP .......................................................................................................................................................106
T340 PTO CLUTCH VALVE GROUP .........................................................................................................................................108
T350 HYDRAULIC TUBE GROUP .............................................................................................................................................. 110
T360 INLET HOSE GROUP ....................................................................................................................................................... 112
T370 OIL INLET PIPE GROUP................................................................................................................................................... 114
T380 OUT HYDRAULIC PIPE GROUP ...................................................................................................................................... 116

6. -5 -
TABLE OF CONTENTS
T385 OUT HYDRAULIC PIPE GROUP ...................................................................................................................................... 118
T390 POWER STEERING GROUP ...........................................................................................................................................120
T400 STEERING HOSE GROUP ...............................................................................................................................................122
T410 STEERING CYLINDER GROUP .......................................................................................................................................124
T415 JOYSTICK VALVE GROUP ...............................................................................................................................................126
T420 FRONT DIFFERENTIAL GEAR CASE GROUP ...............................................................................................................128
T430 FRONT DIFFERENTIAL GROUP ......................................................................................................................................130
T440 BEVEL PINION SHAFT GROUP .......................................................................................................................................132
T450 BEVEL GEAR CASE GROUP ...........................................................................................................................................134
T460 BEVEL GEAR SHAFT GROUP .........................................................................................................................................136
T470 FRONT AXLE CASE GROUP ...........................................................................................................................................138
T480 FRONT AXLE GROUP ......................................................................................................................................................140
T490 FRONT AXLE BRACKET GROUP....................................................................................................................................142
T500 PROPELLER SHAFT GROUP ..........................................................................................................................................144
T530 BATTERY GROUP .............................................................................................................................................................146
T540 ELECTRICAL SYSTEM 1 GROUP ....................................................................................................................................148
T550 ELECTRICAL SYSTEM 2 GROUP ....................................................................................................................................150
T560 ELECTRICAL SYSTEM 3 GROUP ....................................................................................................................................152
T570 FENDER LIGHT GROUP ..................................................................................................................................................154
T580 FRONT AXLE FRAME GROUP.........................................................................................................................................156
T590 AIRCLEANER SUPPORT GROUP ...................................................................................................................................158
T600 BONNET SUPPORT GROUP ...........................................................................................................................................160
T610 BONNET GROUP ..............................................................................................................................................................162
T630 FUEL TANK GROUP..........................................................................................................................................................164
T640 FUEL PIPE GROUP...........................................................................................................................................................166
T650 INSTRUMENT GROUP ......................................................................................................................................................168
T660 LABEL GROUP ..................................................................................................................................................................170

7. -6 -
TABLE OF CONTENTS
T670 CLUTCH PEDAL GROUP .................................................................................................................................................174
T680 BRAKE PEDAL GROUP....................................................................................................................................................176
T690 BRAKE ROD GROUP .......................................................................................................................................................178
T700 ACCELATOR GROUP .......................................................................................................................................................180
T710 MAIN CHANGE LEVER GROUP .......................................................................................................................................182
T720 HI-LOW LEVER GROUP...................................................................................................................................................184
T750 DIFFERENTIAL PEDAL GROUP .......................................................................................................................................186
T760 DOUBLE ACTING LEVER GROUP ..................................................................................................................................188
T765 DOUBLE ACTING LEVER GROUP ..................................................................................................................................190
T770 POSITION, DRAFT CONTROL GROUP ..........................................................................................................................192
T775 POSITION, DRAFT CONTROL GROUP ..........................................................................................................................194
T780 SHUTTLE LEVER GROUP ...............................................................................................................................................196
T785 SHUTTLE LEVER GROUP ...............................................................................................................................................198
T790 HITCH GROUP...................................................................................................................................................................200
T800 LOWER LINK GROUP ......................................................................................................................................................202
T810 CHECK LINK GROUP .......................................................................................................................................................204
T820 TOP LINK GROUP ............................................................................................................................................................206
T830 LIFT ROD GROUP ............................................................................................................................................................208
T870 CABIN SUPPORT GROUP ...............................................................................................................................................210
T880 STEP GROUP....................................................................................................................................................................212
T890 SEAT GROUP ....................................................................................................................................................................214
T895 SUN SHADE FRAME GROUP ..........................................................................................................................................216
T900 ROPS GROUP...................................................................................................................................................................218
T905 CABIN GROUP...................................................................................................................................................................220
T910 AIRCON, HEATER GROUP ..............................................................................................................................................222
T920 FRONT GLASS GROUP ...................................................................................................................................................226
T930 DOOR GROUP ..................................................................................................................................................................228

8. -7 -
TABLE OF CONTENTS
T940 REAR GLASS GROUP......................................................................................................................................................230
T950 ROOF GROUP ..................................................................................................................................................................232
T960 SUN ROOF GROUP .........................................................................................................................................................234
T970 SWITCH GROUP ...............................................................................................................................................................236
T980 CABIN WIRE GROUP .......................................................................................................................................................238
T990 FENDER GROUP ..............................................................................................................................................................240
T991 AIRCLEANER GROUP ......................................................................................................................................................242
T992 MUFFLER GROUP ............................................................................................................................................................244
T993 RADIATOR GROUP ...........................................................................................................................................................246
T994 AIRCON BRACKET GROUP.............................................................................................................................................248

9. -8 -
E010 CYLINDER BLOCK GROUP

10. TIME
-9 -
DESCRIPTION REMARK
JOB CODE
DK451C DK501C
DK45Sc DK501
DK451
DK45S
ENGINE R & R
CYLINDER BLOCK ASS’Y R & R
OIL PUMP ASS’Y R & R
GASKET, OIL PUMP R & R
GEAR, OIL PUMP DRIVING R & R
SWITCH, OIL R & R
GUIDE, OIL GAUGE R & R
E010001
E010002
E010003
E010004
E010005
E010006
E010007
4.0
12.0
5.0
5.0
4.5
0.3
0.3
4.0
12.0
5.0
5.0
4.5
0.3
0.3
4.0
12.0
5.0
5.0
4.5
0.3
0.3
4.0
12.0
5.0
5.0
4.5
0.3
0.3
4.0
12.0
5.0
5.0
4.5
0.3
0.3
4.0
12.0
5.0
5.0
4.5
0.3
0.3

11. -10 -
E020 OIL PAN GROUP

12. TIME
-11 -
DESCRIPTION REMARK
JOB CODE
DK451C DK501C
DK45Sc DK501
DK451
DK45S
OIL PAN ASS’Y R & R
GASKET, OIL PAN R & R
FILTER 1, OIL R & R
O-RING R & R
E020001
E020002
E020003
E020004
1.0
1.0
1.2
1.2
1.0
1.0
1.2
1.2
1.0
1.0
1.2
1.2
1.0
1.0
1.2
1.2
1.0
1.0
1.2
1.2
1.0
1.0
1.2
1.2

13. -12 -
E030 CYLINDER HEAD GROUP

14. TIME
-13 -
DESCRIPTION REMARK
JOB CODE
DK451C DK501C
DK45Sc DK501
DK451
DK45S
CYLINDER HEAD ASS’Y R & R
GUIDE, INLET VALVE R & R
GUIDE, EXHAUST VALVE R & R
GASKET, HEAD R & R
TEMP SENSOR ASS’Y R & R
E030001
E030002
E030003
E030004
E030005
3.0
4.5
4.5
3.0
0.3
3.0
4.5
4.5
3.0
0.3
3.0
4.5
4.5
3.0
0.3
3.0
4.5
4.5
3.0
0.3
3.0
4.5
4.5
3.0
0.3
3.0
4.5
4.5
3.0
0.3

15. -14 -
E040 GEAR CASE GROUP

16. TIME
-15 -
DESCRIPTION REMARK
JOB CODE
DK451C DK501C
DK45Sc DK501
DK451
DK45S
GEAR CASE ASS’Y R & R
O-RING R & R
O-RING R & R
O-RING R & R
SUPPORT, OIL FILTER R & R
GASKET, OIL FILTER SUPPORT R & R
COVER R & R
O-RING R & R
O-RING R & R
GASKET, GEAR CASE R & R
GASKET R & R
FILTER, ENGINE OIL R & R
GASKET R & R
E040001
E040002
E040003
E040004
E040005
E040006
E040007
E040008
E040009
E040010
E040011
E040012
E040013
4.0
4.0
4.0
4.0
1.5
1.5
1.5
1.5
1.5
4.0
0.5
0.5
1.5
4.0
4.0
4.0
4.0
1.5
1.5
1.5
1.5
1.5
4.0
0.5
0.5
1.5
4.0
4.0
4.0
4.0
1.5
1.5
1.5
1.5
1.5
4.0
0.5
0.5
1.5
4.0
4.0
4.0
4.0
1.5
1.5
1.5
1.5
1.5
4.0
0.5
0.5
1.5
4.0
4.0
4.0
4.0
1.5
1.5
1.5
1.5
1.5
4.0
0.5
0.5
1.5
4.0
4.0
4.0
4.0
1.5
1.5
1.5
1.5
1.5
4.0
0.5
0.5
1.5

17. -16 -
E050 MAIN BEARING CASE GROUP

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