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17. TROUBLESHOOTING

Lx410/450/490 Operator's Manual

17. TROUBLESHOOTING

The troubleshooting table given below is quick reference for solving common problems.
If any fault, failure or a problem requiring repair work is found, contact YOUR LOCAL YANMAR
TRACTOR DEALER for technical assistance.

1. Engine

1. How to Use the Troubleshooting Table

The problem is:

The possible cause(s) are:

Remedy:

The engine is hard to

start or does not start

at all

1. A problem in the electrical

1. Electrical system

• Check whether the battery is fully

charged.

• charge the battery

• Check whether the fuse/s is/are

blown.

• replace the blown fuse/s

• Check for loose or corroded the

battery terminals and battery cables.

• tighten the loose battery terminals

• clean the corroded battery

terminals and battery cables

• Check whether the start relay is

faulty.

• replace start relay

• Check whether the starter key switch

is faulty.

• contact YOUR LOCAL YANMAR

TRACTOR DEALER

• Check whether the starter is faulty.

• contact YOUR LOCAL YANMAR

TRACTOR DEALER

• Check whether the glow plug/air

heater are faulty.

• contact YOUR LOCAL YANMAR

TRACTOR DEALER

• Check whether the interface

combination functions correctly.

• contact YOUR LOCAL YANMAR

TRACTOR DEALER

ENGINE

SWITCH

START
START

1
2

SEA

T

-ON

PT

O

-N

PA

R

K

IN

G

BRAKE

FOR

W

ARD/N/REVERSE-N

«
...
150
151
152
153
154
...
»

Summary of Contents for Lx410

Page 1: ...ENGLISH 101 International Pkwy Adairsville GA 30103 http www yanmar com COMPACT TRACTOR Lx Series Lx410 Lx450 Lx490 OPERATOR S MANUAL Version 1 0 Code No 0A042 U00400 ENGLISH Yanmar America Corporation 101 International Pkwy Adairsville GA 30103 PRINTED IN U S A ...

Page 2: ... NOTE The following decal is applicable only for Lx410 and Lx450 1A8250 65390 IMPORTANT Pursuant to California Public Resources Code Section 4442 6 WARNING Operation Qf This Equipment May Create Sparks That Can Start Fires Around Dry Vegetation A Spark Arrestor May be Required The Operator Should Contact Local Fire Agencies For Laws or Regulations Relating to Fire Prevention Requirements Operator ...

Page 3: ...that the operator can use the implement safely correctly and efficiently The Operator s Manual is organized with sections arranged in a particular order so that the operator can better understand the safety messages and the controls on the tractor to help the operator operate the tractor correctly and safely The Operator s Manual will also help the operator answer questions about operation and ser...

Page 4: ...arging condition Engine speed Hour meter Engine coolant temperature Revolutions Per Minute rpm Power Take Off PTO Parking brake Lights Turn signal Headlight high Headlight low Hazard warning lights Starter key switch Engine start Engine run Engine shut off Levers and knobs Power Take Off PTO OFF position Power Take Off PTO ON position Differential lock Implement control lock unlock 4 wheel drive o...

Page 5: ...Replace the Rubber Product s such as Hydraulic Hose Fuel Hoses Power Steering Hoses Radiator Hoses and Air Intake Hose for Every 2 Years 1 11 13 Understand the Tractor Safety Decals 1 11 Safety Alert Symbol 1 11 Care of DANGER WARNING and CAUTION Decals 1 11 1 Specifications Table 3 1 2 Traveling Speeds 3 3 1 Overview 5 1 Names of Main Components 5 1 Functions of Main Components 5 2 2 Operator Sta...

Page 6: ...ransmission Hydraulic Oil in a Cold Weather Situation 8 6 Primary Gear Lever 8 7 Range Gear Lever 8 7 2WD 4WD Lever 8 9 Tips on the 4 Wheel Drive 8 9 Throttle Control Lever 8 10 Accelerator Pedal 8 10 3 Point Hitch Control Lever 8 10 4 Stop the Tractor 8 11 Stopping Procedure 8 11 Stop in an Emergency 8 11 5 Use the Brake 8 12 Engage the Parking Brake 8 12 Disengage the Parking Brake 8 12 Use the ...

Page 7: ...eploy Stow the Drawbar 10 6 Remove Drawbar 10 6 3 Use the Safety Chain10 6 1 3 point Hitch Control System 11 1 Use the 3 Point Hitch Control Lever 11 1 Use the Position Stop Knob 11 2 Hydraulic Flow Control Stop Knob 11 2 2 Operate the Implement Control Valve 11 3 Implement Control Lever 11 3 Implement Control Lever Lock 11 4 Connect the Implement Hydraulic Hoses 11 4 1 Tires 12 1 2 Adjust the Whe...

Page 8: ...and Clamps 14 8 Clean the Radiator Cooling Screen 14 9 Clean Radiator Cooling Fins 14 9 Check the Wheel Bolt Tightening Torque 14 10 Inspection Procedure for the Safety System 14 11 Check the Cooling System 14 14 3 Check and Replace as Necessary 14 15 Inspect the Alternator Fan Belt 14 15 Check and Replace the Battery 14 15 Check the Fuses 14 15 Check the Light Bulbs 14 15 Check and Drain the Fuel...

Page 9: ...ozzle 14 33 Check the Fuel Injection Pump 14 33 11 Every 2 Years or 2000 Hours 14 34 Replace the Thermostat 14 34 12 General Maintenance 14 34 1 Battery 15 1 Service the Battery Safely 15 1 Inspect the Battery 15 2 Remove and Install the Battery 15 2 Clean the Battery and Terminals 15 3 Use a Booster Battery 15 3 2 Fuses 15 4 Replace the Accessory Fuses 15 4 Check the Alternator Fuse and the Main ...

Page 10: ...TS 8 Lx410 450 490 Operator s Manual 1 How to Use the Troubleshooting Table 17 1 1 Engine 17 1 2 Electrical System 17 8 3 Brakes 17 10 4 Steering 17 10 5 Body and Machinery 17 11 17 TROUBLESHOOTING 17 1 18 INDEX 18 1 ...

Page 11: ...operating and servicing the tractor Carefully study all of the information in the Operator s Manual so that the operator can avoid personal injury or property damage 1 About The Operator s Manual NOTE Unless otherwise stated the expressions right hand side left hand side front side and rear side used throughout the Operator s Manual are relative to the operator s position 450_000_Lxa LEFT REAR RIG...

Page 12: ...ert the operator s safety is involved Please read and strictly observe the message that follows the safety alert symbol DANGER WARNING CAUTION NOTICE WARNING READ AND FOLLOW ALL INSTRUCTIONS IN THE OPERATOR S MANUAL BEFORE ATTEMPTING TO OPERATE THE TRACTOR FAILURE TO COMPLY WITH THE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY WARNING The engine exhaust some of its constituents and certain tractor c...

Page 13: ...Structure ROPS in the unfolded up position and locked securely NEVER alter or repair the Roll Over Protective Structure ROPS Welding bending drilling grinding or cutting may weaken the Roll Over Protective Structure ROPS Contact YOUR LOCAL YANMAR TRACTOR DEALER for technical assistance 4 Always fasten the retractable seatbelt while operating the tractor with the Roll Over Protective Structure ROPS...

Page 14: ...nt and rear weights If the operator choose to use the loader mount an implement or weight to the 3 point hitch in order to stabilize the tractor Observe the instructions about safety in the Operator s Manual for the implement to be used 17 Remember that a narrower tire tread width can lead to greater possibility of upsetting the balance of the tractor To positively stabilize the tractor select a m...

Page 15: ...opes and when turning corners 6 Avoid turning with the differential lock engaged Attempting to turn the tractor while the differential lock is engaged can lead to a roll over 7 Stay clear of ditches potholes embankments or ponds The incident of upsetting the tractor can occur more on soft or wet ground Before entering an area covered with tall grass inspect the area to detect any obstacles 8 The o...

Page 16: ...ff PTO switch to OFF position and proceed slowly straight down the slope To avoid upset move backward up a steep slope If backing on the slope is difficult do not attempt to continue Avoid an extremely steep slope When moving forward to get out from a ditch deep mud or when traveling on a steep slope the risk of the tractor upsetting backward is high Always move backward to get out from these situ...

Page 17: ...d to loss in the stability of the tractor and can cause an extremely dangerous situation 11 While on a road do not attempt to operate an implement During transportation place the 3 point hitch control lever in the raised position and lock the 3 point hitch control lever with the position stop knob Do not fully close the hydraulic flow control stop knob to hold an implement in the raised position w...

Page 18: ...e raised position and lock the 3 point hitch control lever with the position stop knob Do not fully close the hydraulic flow control stop knob to hold an implement in the raised position while the tractor is traveling with the implement The preceding action can cause damage to the hydraulic lift circuit The tractor is equipped with a Roll Over Protective Structure ROPS which must be maintained in ...

Page 19: ...will accumulate in the area 7 Never store the fuel container or tractor indoor where there is an open flame or spark such as a gas water heater space heater or furnace 8 Do not smoke while working around the battery Keep any sparks or open flame away from the battery The battery emits hydrogen and oxygen gasses in particular during recharging and can pose a hazard of explosion 9 Prior to jump star...

Page 20: ...sposal laws and regulations Prior to disposal determine the proper method to dispose of waste from your local Environmental Protection Agency Recycling centers are established to properly dispose of materials in an environmentally safe fashion 21 Use container approved by the effective law when draining fluids Avoid using food or beverage containers that can mislead someone into drinking from food...

Page 21: ...t which the operator must remain cautious The messages are presented together with the word CAUTION and the safety alert symbol Care of DANGER WARNING and CAUTION Decals 1 Always keep all the DANGER WARNING and CAUTION decals clean and clearly legible 2 Clean the DANGER WARNING and CAUTION decals with soap and water wipe dry with clean soft cloth 3 Replace damaged or missing DANGER WARNING and CAU...

Page 22: ...air or modify ROPS ALWAYS replace a damaged ROPS Failure to comply could result in death or serious injury 450_001_ROPS A WARNING 㪮㪘㪩㪥㪠㪥㪞㪈㪘㪏㪉㪌㪇㪄㪍㪌㪏㪇㪇㪩㪦㪣㪣㪄㪦㪭㪜㪩㩷㪟㪘㪱㪘㪩㪛㩸䍃㪥㪜㪭㪜㪩㩷㫁㫌㫄㫇㩷㫀㪽㩷㫄㪸㪺㪿㫀㫅㪼㩷㫋㫀㫇㫊㪅䍃㪥㪜㪭㪜㪩㩷㫆㫇㪼㫉㪸㫋㪼㩷㫎㫀㫋㪿㫆㫌㫋㩷㫊㪼㪸㫋㪹㪼㫃㫋㩷㪽㪸㫊㫋㪼㫅㪼㪻㪅䍃㪥㪜㪭㪜㪩㩷㫉㪼㫄㫆㫍㪼㪃㩷㫉㪼㫇㪸㫀㫉㩷㫆㫉㩷㫄㫆㪻㫀㪽㫐㩷㪩㪦㪧㪪㪅䍃㪘㪣㪮㪘㪰㪪㩷㫉㪼㫇㫃㪸㪺㪼㩷㪸㩷㪻㪸㫄㪸㪾㪼㪻㩷㪩㪦㪧㪪㪅䍃㪝㪸㫀㫃㫌㫉㪼㩷㫋㫆㩷㪺㫆㫄㫇㫃㫐㩷㪺㫆㫌㫃㪻㩷㫉㪼㫊㫌㫃㫋㩷㫀㫅㩷㪻㪼㪸㫋㪿㩷㫆㫉㩷㫊㪼㫉㫀㫆㫌㫊㩷㫀㫅㫁㫌㫉㫐㪅 ...

Page 23: ...bypassing safety start switch Start engine only from seat with transmission and PTO OFF 450_002_Fender B WARNING 450_002_Fender C DANGER 㪈㪘㪏㪉㪌㪇㪄㪍㪌㪊㪇㪇㪛㪘㪥㪞㪜㪩㪫㪦㩷㪘㪭㪦㪠㪛㩷㪠㪥㪡㪬㪩㪰㩷㪦㪩㩷㪛㪜㪘㪫㪟㪑䊶㪛㫆㩷㫅㫆㫋㩷㫊㫋㪸㫉㫋㩷㪼㫅㪾㫀㫅㪼㩷㪹㫐䇭㫊㪿㫆㫉㫋㫀㫅㪾㩷㪸㪺㫉㫆㫊㫊㩷㫊㫋㪸㫉㫋㪼㫉䇭㫋㪼㫉㫄㫀㫅㪸㫃㫊㩷㫆㫉㩷㪹㫐㫇㪸㫊㫊㫀㫅㪾䇭㫊㪸㪽㪼㫋㫐㩷㫊㫋㪸㫉㫋㩷㫊㫎㫀㫋㪺㪿㪅䊶㪪㫋㪸㫉㫋㩷㪼㫅㪾㫀㫅㪼㩷㫆㫅㫃㫐㩷㪽㫉㫆㫄䇭㫊㪼㪸㫋㩷㩷㫎㫀㫋㪿㩷㫋㫉㪸㫅㫊㫄㫀㫊㫊㫀㫆㫅㩷㪸㫅㪻㩷㪧㪫㪦㩷㪦㪝㪝㪅㪈㪘㪏㪉㪋㪇㪄㪍㪌㪊㪉㪇㪮㪘㪩㪥㪠㪥㪞㪩㪼㪸㪻㩷㪦㫇㪼㫉㪸㫋㫆㫉㩾㫊㩷㪤㪸㫅㫌㪸㫃㩷㪹㪼㪽㫆㫉㪼㩷㫆㫇㪼㫉㪸㫋㫀㫅...

Page 24: ...cessary When the structure must be down Do not use seat belt Drive with extra care 450_005_L Side D WARNING 㪈㪘㪏㪉㪌㪇㪄㪍㪌㪊㪈㪇㪮㪘㪩㪥㪠㪥㪞㪫㪦䇭㪘㪭㪦㪠㪛䇭㪠㪥㪡㪬㪩㪰㪑䊶㪪㫋㫆㫇㩷㪼㫅㪾㫀㫅㪼㪅䊶㪪㪼㫋㩷㫇㪸㫉㫂㫀㫅㪾㩷㪹㫉㪸㫂㪼㪅䊶㪧㪸㫉㫂㩷㫆㫅㩷㫃㪼㫍㪼㫃㩷㪾㫉㫆㫌㫅㪻㪅䊶㪣㫆㫎㪼㫉㩷㪸㫃㫃㩷㫀㫄㫇㫃㪼㫄㪼㫅㫋㫊䊶㪩㪼㫄㫆㫍㪼㪸㩷㫂㪼㫐㪅㩷㫋㫆㩷㫋㪿㪼㩷㪾㫉㫆㫌㫅㪻㪅㫊㪼㫉㫍㫀㪺㫀㫅㪾㩷㫄㪸㪺㪿㫀㫅㪼㪃㪙㪼㪽㫆㫉㪼㩷㫃㪼㪸㫍㫀㫅㪾㩷㫆㫉 450_003_ROPS2 E WARNING 㪈㪘㪏㪉㪌㪇㪄㪍㪌㪊㪌㪇㪮㪘㪩㪥㪠㪥㪞㪫㪦䇭㪘㪭㪦㪠㪛䇭㪠㪥㪡㪬㪩㪰㩷㪦㪩㩷㪛㪜㪘㪫㪟㩷㪝㪩㪦㪤㩷㪩㪦㪣㪣㪦㪭㪜㪩㪑䊶㪢㪼㪼㫇㩷㪩㫆㫃㫃㫆㫍㪼㫉㩷㪧㫉㫆㫋㪼㪺㫋㫀...

Page 25: ...Y CLEAR OF ENGINE FAN AND FAN BELT AVOID INJURY FROM PTO Keep all shields in place Keep hands feet and clothing away Operate only with 540 RPM 1a8250 6520 RIGHT F RIGHT LEFT F 1a8250 6520 LEFT WARNING STAY CLEAR OF ENGINE FAN AND FAN BELT 1A7880 65620 WARNING G 450140205_P14 4_tofc_d2 WARNING ...

Page 26: ...YES IMMEDIATELY WITH WATER GET MEDICAL HELP FAST KEEP OUT OF REACH OF CHILDREN DO NOT TIP DO NOT OPEN BATTERY SHIELD EYES EXPLOSIVE GASES CAN CAUSE BLINDNESS OR INJURY NO SPARKS FLAMES SMOKING SULFURIC ACID CAN CAUSE BLINDNESS OR SEVERE BURNS FLUSH EYES IMMEDIATELY WITH WATER GET MEDICAL HELP FAST KEEP OUT OF REACH OF CHILDREN DO NOT TIP DO NOT OPEN BATTERY H 526RMF_410 450 DANGER 624MF_490 I DANG...

Page 27: ...ct YOUR LOCAL YANMAR TRACTOR DEALER For new parts and components and major service work contact YOUR LOCAL YANMAR TRACTOR DEALER for technical assistance When ordering a part or component always provide the serial numbers of the following to YOUR LOCAL YANMAR TRACTOR DEALER Tractor Engine Roll Over Protective Structure ROPS After accepting delivery of the tractor immediately find the serial number...

Page 28: ...cation plate with tractor serial number B Engine serial number C Roll Over Protective Structure ROPS model D Roll Over Protective Structure ROPS serial number Type Model Serial No Tractor Engine Roll Over Protective Structure ROPS Date of Purchase Name of Dealer 450_007_ROPS D ...

Page 29: ...ue ft lbs N m 94 2 124 9 104 4 141 6 113 6 154 2 Battery 540 CCA 540 CCA 650 CCA Fuel Diesel Fuel Ultra Low Sulfur Capacities Fuel Tank US gal L 11 9 45 11 9 45 11 9 45 Engine Oil US qt L 5 6 5 3 5 6 5 3 5 6 5 3 Engine Coolant US qt L 5 1 4 8 5 1 4 8 5 1 4 8 Transmission Oil US gal L 8 5 32 8 5 32 8 5 32 Front axle Oil US gal L 2 3 8 8 2 3 8 8 2 3 8 8 Dimensions Overall Length with 3 Point Hitch i...

Page 30: ...chro Main 3 Range Brake Wet Disk Minimum Turning Radius ft m 9 19 2 8 Hydraulic Unit Hydraulic Control System Position Control Open Center Pump Capacity main US gal min L min 9 0 34 1 8 6 32 8 Pump Capacity steering US gal min L min 6 8 25 6 6 5 24 7 3 Point Hitch Category 1 Max Lift Force Lift Point lb kg 3197 1450 24 in Behind Lift Point lb kg 2756 1250 System Pressure psi MPa 2429 16 7 Power Ta...

Page 31: ... 627 F5 2 2 2 388 3 842 F6 2 3 3 320 5 343 F7 3 1 4 246 6 831 F8 3 2 5 562 8 950 F9 3 3 7 115 11 448 F10 4 1 9 895 15 921 F11 4 2 12 652 20 357 F12 4 3 16 576 26 671 R1 1 1 0 965 1 553 R2 1 2 1 342 2 160 R3 1 3 1 716 2 761 R4 2 1 2 248 3 618 R5 2 2 2 382 3 832 R6 2 3 3 312 5 330 R7 3 1 4 235 6 814 R8 3 2 5 549 8 928 R9 3 3 7 098 11 420 R10 4 1 9 871 15 882 R11 4 2 12 621 20 307 R12 4 3 16 535 26 6...

Page 32: ... 2 299 3 699 F6 2 3 3 197 5 145 F7 3 1 4 088 6 578 F8 3 2 5 356 8 619 F9 3 3 6 852 11 024 F10 4 1 9 528 15 331 F11 4 2 12 183 19 603 F12 4 3 15 962 25 683 R1 1 1 0 929 1 495 R2 1 2 1 292 2 080 R3 1 3 1 653 2 659 R4 2 1 2 165 3 484 R5 2 2 2 294 3 690 R6 2 3 3 190 5 132 R7 3 1 4 078 6 562 R8 3 2 5 343 8 597 R9 3 3 6 835 10 997 R10 4 1 9 505 15 293 R11 4 2 12 153 19 555 R12 4 3 15 923 25 620 NOTE The...

Page 33: ... implements used must conform to the approved specifications per below Using unapproved implements can result in malfunction failure and damage to the tractor The preceding action can also increase the possibility of injury to the operator or other people The Yanmar warranty does not cover any malfunction or failure that results from the use of an unapproved implement Lower Link End Maximum Liftin...

Page 34: ...m 72 1829 Weight lb kg 600 272 Rotary Tiller Tilling Width in mm 74 1880 Weight lb kg 800 363 Box Scraper Cutting Width in mm 84 2134 Weight lb kg 630 286 Rear Blade Cutting Width in mm 84 2314 Weight lb kg 294 133 Landscape Rake Cutting Width in mm 84 2134 Weight lb kg 274 124 Loader Lift Capacity at Pivot lb kg 2493 1133 Overhang Pivot Front Tire Center in mm 46 3 1176 Weight without Bucket lb k...

Page 35: ...8 Tail lights 9 Turn signal hazard lights 10 Fuel filler cap 11 Slow Moving Vehicle SMV emblem 12 Top link 13 Top link hook 14 Lift link right 15 Power Take Off PTO shaft 16 Implement sliding stabilizer 17 Lower links 18 Adjustment box 19 Drawbar 20 Lift link left 21 Operator seat back pocket 22 Operator seat 1 Overview 22 450_P1080900 450_000_Lx 1 2 3 4 5 6 7 v30_w_c5_n2 8 9 9 8 10 11 12 13 15 16...

Page 36: ...entify the tractor as a slow moving vehicle to other motorists 12 Top link Use to adjust angle or position of an implement 13 Top link hook Hold the top link when the top link is not in use 14 Lift link right Adjustable link 15 Power Take Off PTO shaft Transmit rotational force from the tractor to an implement 16 Implement sliding stabilizer Component that vertically stabilizes a hitched implement...

Page 37: ...ol lever 14 Operator seat arm rest 15 12V DC outlet 16 Cup holder 17 Range gear lever 18 2WD 4WD lever 19 Primary gear lever 20 Tilt pedal 21 Operator seat 22 Backrest lever 23 Operator seat firmness suspension knob 24 Operator seat suspension stroke adjustment knob 25 Hydraulic flow control stop knob 26 Differential lock pedal 27 Operator seat forward and backward lever 28 Retractable seatbelt 29...

Page 38: ...the engine to the transmission A Clutch pedal 2 Forward N reverse lever Change the direction of the tractor s movement A Forward N reverse lever a Forward b N neutral c Reverse 3 Hazard lights button switch Turn ON or OFF the hazard lights A Hazard lights button switch a ON b OFF v30_w_c5_P34 n1_P1080277 A 12 P1080942 b c A a A a b v30_w_c5_P34 n4_P1080974 ...

Page 39: ... lever upward to signal an intention to turn left b Push the turn signal lever downward to signal an intention to turn right 6 Throttle control lever Increases or decreases the engine speed Revolutions Per Minute rpm rate A Throttle control lever a Increase the engine speed Revolutions Per Minute rpm b Decrease the engine speed Revolutions Per Minute rpm 7 Accelerator pedal Increases or decreases ...

Page 40: ...r A Implement control lever 10 Implement control lever lock Lock the implement control lever to the N neutral position A Implement control lever lock a Locked position b Unlocked position 11 Power Take Off PTO switch Turn ON or OFF the Power Take Off PTO A Power Take Off PTO switch a ON position b OFF position 45007018 Starter A 450_009_ICLever A 450_009_ICLLock A a b 14 13_PTO_SW_1 A a b ...

Page 41: ...ntrol the height of the lower links A 3 point hitch control lever 14 Position stop knob Hold the 3 point hitch control lever to a specific position A Position stop knob 15 Operator seat arm rest Use to rest the operator s arms A Operator seat arm rest Console_box A 㪈㪉㪊㪋㪌㪍㪈㪘㪏㪉㪌㪇㪄㪍㪌㪋㪎㪇 3P_hitch_lever_3 A 㪈㪉㪊㪋㪌㪍㪈㪘㪏㪉㪌㪇㪄㪍㪌㪋㪎㪇 PositionStopKnob_4 A v30_w_c5_P40 n1_IMG 4466 A ...

Page 42: ...outlet Outlet used for 12V DC supply A 12V DC outlet 17 Cup holder The place where a cup is held A Cup holder 18 Range gear lever Change the range gear setting A Range gear lever NOTE Avoid using the 12V DC outlet as cigarette lighter 12V DC A Cup_holder01 A 1 3 4 N N 2 IMG_4479 2 A ...

Page 43: ...on 20 Primary gear lever Shift the primary gear A Primary gear lever 21 Tilt pedal Change the inclination angle of the steering wheel A Tilt pedal a Locked position b Unlocked position 22 Operator seat Station where the operator sit to operate the tractor A Operator seat 1 3 4 N N 2 IMG_4479 3 A a b v30_w_c5_P 35 n2_IMG 4480 A v30_w_c5_P39 n1_P1080277 A a b v30_w_c5_n1_P1090027 A ...

Page 44: ...f the operator seat A Operator seat firmness suspension knob a Firmer b Softer 25 Operator seat suspension stroke adjustment knob Adjust the height of the operator seat A Operator seat suspension stroke adjustment knob a Decrease b Increase 26 Hydraulic flow control stop knob Increases decreases and closes opens the hydraulic circulation of the 3 point hitch A Hydraulic flow control stop knob a Cl...

Page 45: ...rd lever Adjust the operator seat to the forward or backward position A Operator seat forward and backward lever a Unlock b Lock 29 Retractable seatbelt Keep the operator safe while operating the tractor A Retractable seatbelt 30 Brake pedal connector lock Locks the left and the right brake pedals together A Brake pedal connector lock a Locked position b Unlocked position A 36 P1080310a b a 37 P10...

Page 46: ...PONENTS Lx410 450 490 Operator s Manual 31 Brake pedals Reduce the speed and stop the tractor A Brake pedal 32 Parking brake lock lever Engage the parking brake A Parking brake lock lever a Lock b Unlock 40IMG 4473 A 4 IMG_4473a A a b ...

Page 47: ...lash for an extended period can lead to loss of battery voltage NOTE In some cases even when the parking brake lock lever appears to be in the LOCKED position the parking brake itself may not be actually securely locked IMPORTANT Decrease the load on the tractor when the pointer on the coolant temperature gauge reaches the abnormally high temperature when the pointer on the coolant temperature gau...

Page 48: ...rning light The engine oil pressure warning light remains illuminated when The starter key switch is in the ON position and the engine is not running The engine oil pressure is abnormal IMPORTANT While the engine is running an illuminated alternator battery charging light indicates the power generated by the alternator is too low fully push the throttle control lever forward increase the engine sp...

Page 49: ...ended operation 4 Check the engine oil level 5 Check the transmission hydraulic oil level 6 Check the coolant level 7 Remove grass clippings and debris from the tractor 8 Clean the air filter element 9 Check any liquid leaks such as oil coolant and fuel 10 Check the radiator for possible blockage 11 Check the retractable seatbelt for any problem s 12 Check Roll Over Protective Structure ROPS for a...

Page 50: ...rea To prevent serious illness or death caused by the colorless and odorless carbon monoxide emitted by the engine WARNING 1 Start the Engine Always observe the following precautions when starting the engine before starting and during running the engine always drive the tractor outside or to a well ventilated area to prevent serious illness or death caused by the carbon monoxide contained in the e...

Page 51: ...perator seat can be adjusted to 14 different positions in 0 47 in 12 mm increments 3 Operator seat suspension stroke adjustment knob While the operator is sitting on the operator seat turn the operator seat suspension stroke adjustment knob clockwise to decrease the stroke minimum 1 57 in 40 mm turn the operator seat suspension stroke adjustment knob counterclockwise to increase the stroke maximum...

Page 52: ...mfortably operated Readjust the operator seat position as necessary PR ES S 32 P1090030 A a b 37 P1080900b b a c d A Always keep the retractable seatbelt fastened while operating the tractor with the Roll Over Protective Structure ROPS in the unfolded up position The preceding action reduces the possibility of injury or death in the event of an accident such as an overturn or roll over Do not unde...

Page 53: ... B Brake pedals C Parking brake lock lever 7 Perform the Rest of the Operations 1 Move the primary gear lever to the N neutral position 2 Move the range gear lever to the N neutral position 3 Move the forward N reverse lever to the N neutral position 4 Push down Power Take Off PTO switch to OFF position A Primary gear lever Positioning the retractable seatbelt far away from the operator s abdomina...

Page 54: ...ontrol lever backward 8 Insert the Key into the Starter Key Switch and Turn the Key to the ON Position OFF position The engine does not run ON position The engine oil pressure warning light and the alternator battery charging light illuminates The glow plugs indicator light illuminates for 15 seconds for Lx410 450 models Air heater indicator light illuminates for 15 seconds for Lx490 model START p...

Page 55: ...owly 8 After the engine has started warm up the engine for 5 minutes at 1200 to 1500 Revolutions Per Minute rpm without any load NOTE The engine oil pressure light turns OFF within 5 seconds after the engine has started The alternator battery charging light turns OFF within 10 seconds after the engine is started If the neutral indicator light fail to turn on the forward N reverse lever is engaged ...

Page 56: ... the Parking Brake on page 7 4 A Throttle control lever B Parking brake lock lever Temperature F C Warming up Time min Over 32 0 At least 5 32 to 14 0 to 10 5 to 10 14 to 4 10 to 20 10 to 15 Below 4 20 More than 15 NOTE The engine may run slightly louder and emit pale blue exhaust during warm up the preceding state is normal the amount of pale blue exhaust varies depending on the ambient temperatu...

Page 57: ...ngine 1 Shut off the engine by Depress the clutch pedal fully Depress both brake pedals 2 Move the primary gear lever to the N neutral position A Primary gear lever 3 Move the range gear lever to the N neutral position A Range gear lever 4 Move the forward N reverse lever to the N neutral position A Forward N reverse lever 5 Push down Power Take Off PTO switch to OFF position A Power Take Off PTO ...

Page 58: ...ition 11 Remove the key from the starter key switch 12 Before leaving the operator seat ensure the engine and all moving parts have stopped NOTE If the tractor is equipped with the implement control valve use the implement control lever to lower any implements to the ground IMPORTANT To prevent injury and property damage always lock the parking brake make sure the primary gear lever forward N reve...

Page 59: ...N open position 4 The fuel is visible in the sediment bowl because the fuel is gravity fed into the fuel filter A Fuel shut off valve a OFF closed position b ON open position 5 Crank the engine for a maximum of 20 seconds 6 If the engine fails to start within 20 seconds stop cranking 7 Wait at least 2 minutes before cranking again 4 Restart a Stalled Engine IMPORTANT If the engine stalls while ope...

Page 60: ... use the drawbar to tow an implement Do not under any circumstances attach a load to the axle housing Always decrease the tractor speed before turning During traveling on a rough terrain Before stopping to prevent the tractor from overturning Do not attempt to turn tractor with the differential lock engaged Attempting to turn the tractor while the differential lock is engaged can lead to the tract...

Page 61: ...ed during the first 50 hours of operation Always start and brake the tractor slowly In cold weather always fully warm up the engine before operating the tractor Avoid under any circumstances running the engine at a speed higher than needed On rough roads or terrains drive at low speeds Change the lubricating oil for the new tractor The quality of the lubricating oil in any new tractor is very impo...

Page 62: ...lways operate the tractor with the Roll Over Protective Structure ROPS in the unfolded up position unless folding the structure is absolutely necessary e g during operation in a low clearance area Keep the retractable seatbelt fastened while operating the tractor with the Roll Over Protective Structure ROPS in the unfolded up position the preceding practice reduces the possibility of injury or dea...

Page 63: ... play absorbing vibration insulating rubber block pull the upper bolt to the near side and insert the pins A Insert pin B Insert pin jam hole C Hairpin clip 1 Sit on the operator seat Regarding how to adjust operator seat position for details see 3 Adjust the Operator Seat on page 7 2 Regarding how to fasten the retractable seatbelt for details see 4 Fasten the Retractable Seatbelt on page 7 3 IMG...

Page 64: ... switch Hazard Lights Press the hazard lights button switch to make the hazard lights flash A Hazard lights button switch 4 Start the engine Regarding on how to start the engine for details see Chapter 7 OPERATE THE ENGINE on page 7 1 5 Set the forward N reverse lever to the N neutral position Forward N Reverse Lever Change the position of the forward N reverse lever to make the tractor move forwa...

Page 65: ...oes not smoothly rise after engine start up The preceding action can cause a problem with the hydraulic system 7 To prevent the preceding problem Pre warm the engine at about 50 of the rated Revolutions Per Minute rpm for a period of time as specified in the table below A Forward N reverse lever B Parking brake lock lever C Power Take Off PTO switch D Range gear lever E Primary gear lever Before w...

Page 66: ...range gear lever Depress the clutch pedal Make sure the tractor has completely stopped 2 Move the following levers to the N neutral position Primary gear lever Range gear lever Forward N reverse lever 3 Set the range gear lever to match the speed range H N M N L with the current work IMPORTANT To prevent transmission damage Depress the clutch pedal Make sure the tractor has completely stopped befo...

Page 67: ...d grass mowing H Work involving high speed operation e g light mowing and transport v30_w_c5 P35 n2_IMG_4480 A P1080941 15 B C 1 3 4 N N 2 IMG_4479 2 D IMPORTANT To prevent overloading the engine always select the appropriate gear and engine speed for the job Use a higher gear and lower engine speed for work involving a light load Use a lower gear and higher engine speed for work involving a heavy...

Page 68: ...rive Tips on the 4 Wheel Drive To make sure proper performance under all types of working conditions maintain the maximum acceptable tire air pressure in the front tires Disengage the 4 wheel drive while transporting the tractor Disengaging the 4 wheel drive increases the service life of the front tires Always exercise extreme caution while operating the tractor on slopes Enable the 4 wheel drive ...

Page 69: ...The accelerator pedal is mainly used when traveling on roads A Accelerator pedal a Depress to increase engine speed b Release to decrease engine speed 8 Raise the implement 3 Point Hitch Control Lever Pull the 3 point hitch control lever backward Move any attached implements to the raised position A 3 point hitch control lever a Lower b Raise 5 1 1 0 0 5 5 2 2 15 IMG_4500 A a b Accelerator_pedal A...

Page 70: ...e ground 8 Engage the parking brake securely for details see 6 Lock and Set the Parking Brake on page 7 4 9 Turn the starter key switch to OFF position Stop in an Emergency 1 Depress the clutch pedal 2 Depress both brake pedals to stop the tractor 3 Turn the starter key switch to OFF position 4 Do not release the clutch pedal until the engine and all moving parts have completely stopped 5 If possi...

Page 71: ...slow down or stop the tractor A Brake pedal connector lock B Right turn brake pedal C Left turn brake pedal 5 Use the Brake Before leaving the tractor unattended always engage the parking brake securely for details see 6 Lock and Set the Parking Brake on page 7 4 always remove the key from the starter key switch The preceding practice prevents a child and other people from attempting to drive or o...

Page 72: ...vent damage to the 3 point hitch and implements always keep the implement away from the ground during brake turning NOTE To perform tighter turns unlock the brake pedal connector lock The preceding action can reduce the number of times the operator needs to back up the tractor Always keep the brake pedals locked together when moving to another site traveling on roads 40 IMG 4473b A B C Suddenly re...

Page 73: ...speed The differential lock is designed to be used for short durations Prolonged use can damage the differential gears 36 P1080310a A B 1 A 8 2 5 0 6 5 4 5 0 WARNING IMPORTANT Always decrease the engine speed when using the differential lock To prevent transmission damage always unlock the differential lock while only one rear wheel is rotating If the differential lock does not disengage when the ...

Page 74: ...n be controlled and is stable 14 Do not engage the differential lock while traveling on roads The preceding action can make the tractor uncontrollable 15 While traveling on roads avoid sudden turning of the steering wheel The preceding action makes the tractor unstable resulting in an extremely dangerous situation 16 While on the road avoid under any circumstances operate an implement 17 While dri...

Page 75: ...ss of control of the tractor Before towing always ensure that the tractor has the capability to handle the total weight of all equipment and loads Make sure the tractor is heavy and powerful enough for the load being towed Make sure the tractor has sufficient braking power for the load being towed If the load exceeds the recommended weight ratio add weight to the tractor lighten the load get a hea...

Page 76: ...rposes to increase traction to greatly assists in climbing steep slopes to improve braking power on sloped frozen wet or graveled surfaces always be aware that the danger of tipping over is still present Add weight to the tractor as necessary Drive at a lower speed to prevent skidding and loss of steering control Keep away from slopes steeper than 15 degrees Avoid parking the tractor perpendicular...

Page 77: ...arking on a slope is unavoidable chock all the tires safely and securely and engage the parking brake securely for details see 6 Lock and Set the Parking Brake on page 7 4 On a slope the tractor is unstable and more prone to severe injury or even death Always be alert Avoid traveling backward up and down on a slope to prevent tipping over Keep away from ditch or deep mud to avoid the risk of the t...

Page 78: ... turning of the steering wheel especially while traveling on paved roads the preceding action can cause an accident IMPORTANT Fully turning the steering wheel causes the relief valve to trip An audible signal is emitted the preceding state can be ignored only for a short duration Do not under any circumstances keep the steering wheel fully turned for an extended period of time As much as possible ...

Page 79: ...riven implement Operator s Manual safety decals and instructions Always engage the parking brake securely for details see 6 Lock and Set the Parking Brake on page 7 4 and chock all the tires safely and securely Avoid approaching or touching any rotating component WARNING 1 Operate the Power Take Off PTO System Before connecting disconnecting adjusting or cleaning any Power Take Off PTO driven impl...

Page 80: ...RATED mark Engage Power Take Off PTO with the operator on the operator seat 1 To engage Power Take Off PTO Idle the engine speed Pull up Power Take Off PTO switch to ON position a A Power Take Off PTO switch a ON b OFF 2 Increase the engine speed required for the implement IMPORTANT When Power Take Off PTO switch is in the ON position always drive within or below the indicated RATED speed 0 0 0 0 ...

Page 81: ...e implement drive shaft to Power Take Off PTO shaft Lower Power Take Off PTO shield A Power Take Off PTO shield B Power Take Off PTO shaft 2 Use Power Take Off PTO Safely Stay clear of rotating drivelines Before approaching the driveline push down Power Take Off PTO switch to OFF position shut down the engine make sure all rotating components have stopped Entanglement with a rotating driveline can...

Page 82: ...perator seat 6 Start the engine 7 Pull up Power Take Off PTO switch to ON position A Clutch pedal B Power Take Off PTO switch 3 Install an Implement to Power Take Off PTO Driveline Avoid injury Before installation of an implement to Power Take off PTO driveline make sure that the tractor is stopped make sure that Power Take Off PTO switch is in the OFF position IMPORTANT Observe the driveline manu...

Page 83: ... stop knob for the 3 point hitch control lever Do not fully close the hydraulic flow control stop knob in order to keep any implements in the raised position while the tractor is traveling completely closing the hydraulic flow control stop knob can damage the hydraulic lift circuit Only use implements that are designed for use with the 3 point hitch Always use approved implements with the 3 point ...

Page 84: ...㪄㪍㪌㪋㪎㪇 3P_hitch_lever_4 a b A B Lowering the 3 point hitch too fast can lead to accident or tractor failure Adjust the hydraulic flow control stop knob the time for lowering the implement from the highest position to the lowest position is 2 seconds or longer Do not attempt to operate an implement on a road While the tractor is traveling keep the 3 point hitch control lever in the raised position ...

Page 85: ...ink hook and connect to the implement 6 Use lynch pin to secure the implement A Top link B Lower Link Avoid injury Always be extremely careful when backing up the tractor Always clear the surrounding area of the tractor from bystander s and obstacle s before starting to back up While backing up always watch for bystander s and obstacle s along the way Engage the parking brake securely for details ...

Page 86: ...the desired levelness is attained tighten the locknut Level the Implement Side to Side 1 Park the tractor safely and securely For details see 7 Safe Practices for Parking the Tractor on page 1 7 2 Chock all the tires safely and securely 3 Lower the implement to the ground 4 Lift the adjustment box located on the lift link right 5 Rotate the adjustment box clockwise or counterclockwise to raise or ...

Page 87: ...Drawbar Avoid injury Always use the drawbar to attach a trailer or towed implement Attempting to attach a trailer or towed implement at the top link or rear axle can cause the tractor to tip over Only use the drawbar that is provided with the tractor avoid installing or using a floating type or any other type of the drawbar Always hitch loads being towed to the drawbar the preceding action prevent...

Page 88: ...t Allow enough slack in the safety chain to enable turning 2 As necessary mount additional intermediate support for the safety chain on the drawbar to eliminate excessive slack Remove and store the safety chain when not in use IMPORTANT Make sure that the drawbar is removed before using the Power Take Off PTO driven drawn implement NOTE To secure the drawbar in the stowed position while Power Take...

Page 89: ...implement when the implement is accidentally disconnected from the tractor Make sure that the tensile strength of the chain is greater than the weight of the implement or that of the fully loaded trailer A chain shackle whose strength is the same or is greater than that of the safety chain can be added to the tractor drawbar bracket where the safety chain of the implement or trailer can be connect...

Page 90: ...nt Hitch Control System IMPORTANT Avoid operating the 3 point hitch control lever before the engine has been sufficiently warmed up Operating the 3 point hitch control lever while the engine has not yet been sufficiently warmed up can damage the hydraulic system can result in the complete failure of the hydraulic system If abnormal noise occurs after the 3 point hitch has been raised incorrect adj...

Page 91: ...e implement from the highest position to the lowest position is 2 seconds or longer Do not attempt to operate an implement on a road While the tractor is traveling keep the 3 point hitch control lever in the raised position lock the 3 point hitch control lever with the position stop knob do not fully close the hydraulic flow control stop knob closing the hydraulic flow control stop knob can cause ...

Page 92: ...ction Interchange the hydraulic line connections between couplers 1 2 Interchange the hydraulic line connections between couplers 3 4 A Hydraulic quick couplers 1 Blue 2 Green 3 Red 4 Yellow 2 Operate the Implement Control Valve 35 P1080310 A a b 450_009_ICLever A IMPORTANT Avoid interchanging the hydraulic lines between coupler 1 and coupler 3 Contact YOUR LOCAL YANMAR TRACTOR DEALER for technica...

Page 93: ...ing the different implement control lever positions When the lever is at any corner position the boom and bucket cylinders are simultaneously operated Unnumbered position Raise Rollback is not recommended for scooping purpose because an insufficient lift force is obtained 1A8250 65410 1 2 3 4 1a8250 65410 450_009_ICLLock B a b A IMPORTANT Avoid operating the implement control lever when the implem...

Page 94: ...11 5 11 HYDRAULIC SYSTEM Lx410 450 490 Operator s Manual A Hydraulic quick couplers 1 Blue 2 Green 3 Red 4 Yellow NOTE Insert the rubber plug into an unused coupler 450110202 A 1 2 4 3 ...

Page 95: ...e specified in the Operator s Manual Always keep the tractor securely supported while changing the wheels adjusting the tire tread width Always keep the wheel bolts tightened to the specified torque Avoid operating the tractor with loose wheels rims weights and axles WARNING 1 Tires Avoid injury Avoid mounting a tire on a rim by an unauthorized person Always have an authorized professional with th...

Page 96: ...apacity of more than 3 tons Always support the implement using fixed stands or any suitable blocking devices with a capacity of more than 3 tons While servicing or adjusting the tractor and implement avoid using the hydraulic system to keep the tractor and implement in the position Avoid operating the tractor with loose wheels rims weights and axles Avoid changing the specific adjustment settings ...

Page 97: ...al arrows on the sidewall Install the tires with the directional arrows pointing in the rolling direction If the tractor is mostly used for loader operations periodically reverse the tread pattern direction the preceding procedure increases the tire life and improves traction when reversing from dirt piles 450120202 R wheel A A WARNING Avoid injury When working on a slope always use the tractor wi...

Page 98: ... in mm 49 8 1265 55 1 1399 51 0 1297 51 7 1314 Ply 6 6 4 6 Rear Rear R1 14 9 24 Wheel pattern Tread in mm 51 9 1319 55 7 1416 64 0 1626 60 0 1525 Ply 6 6 6 6 Rear Rear R3 44 18 00 20 Rear R4 17 5L 24 Wheel pattern Tread in mm 55 8 1417 51 9 1319 Ply 4 6 3015775_a 3015775b_a 3015777_a 3015778_a 3015779_a 3015780_a 3015781_a 3015782_a 3015784_a 3015783_a ...

Page 99: ...shown on the chart is not enough to ensure safety reduce the load or use higher tire ply rating Remove the weights from the tractor when no longer needed Always avoid adding weight when performing continuous and full power operations at a speed of above 4 4 mph 7 km h The preceding practice prevents excessive soil compaction prevents resistance to wheel rotation extends the drive train life Avoid ...

Page 100: ...e ground As required add weight to the rear end of the tractor to make the tractor stable Use of the optional rear ballast is best suited for the loader operations Make sure to remove all weights when no longer required Use the chart below to determine the maximum load capacity of each rear tire at maximum inflation Rear Weight Capacity For information regarding the rear weight for details see Use...

Page 101: ...re Use a safe and appropriate lifting device with a capacity of more than 3 tons Have the procedure performed by YOUR LOCAL YANMAR TRACTOR DEALER 450120204 A WARNING Avoid injury Use of the optional rear ballast is recommended The preceding action improves the stability of the loader Use weight as per the recommendation contained in the loader Operator s Manual IMPORTANT Always put a lower load on...

Page 102: ...d approximately 4 qt 3 8L of water The solution mentioned in the preceding does not freeze at a temperature of above 50 F 45 C Fill the tubeless tires at least up to the valve stem height at least 75 filled A A smaller amount of the solution results in partly exposed rims can lead to corrosion of the rim Tire Sizes 14 9 24 17 5L 24 No slush at 14 F 10 C Solid at 22 F 30 C Add approx 2 2 lb 1 kg Ca...

Page 103: ... and Clamp Check Daily Replace Every 2 years 8 Radiator Cooling Screen Clean Daily 9 Safety Systems Check Daily 10 Radiator Cooling Fins Clean Daily 11 Cooling System Check Daily Flush Every 2 years or after 1000hr 12 Coolant Change Every 2 years or after 1000hr 13 Fuel Line Check Daily Replace Every 2 years 14 Power Steering Line Check Daily Replace Every 2 years or if necessary 15 Retractable Se...

Page 104: ...r 30 Hydraulic cooler system Clean Daily 31 Hydraulic Filter Replace 50 300hr and every 300hr after 32 Grease fittings Every 50hr after 33 Toe in Inspect Adjust 50 200hr and every 200hr after 34 Front Axle Pivot Check Every 50hr 35 Air Intake Hoses and Clamps Check 50 200hr and every 200hr after Replace Every 2 years or if necessary 36 Front Axle Gear Oil Check Every 50hr Change Every 500hr 37 Bra...

Page 105: ...for Lx490 model 1A8260 04500 Hose Kit Fuel 2 Please purchase B7 Diesel only from recognized and authorized diesel fuel suppliers 3 Please use only B7 Diesel including methanol as the above relevant regulations state otherwise it may cause corrosion in aluminum and zinc fuel injection equipment components 4 Please use only B7 Diesel contained certain water level as the above relevant regulations st...

Page 106: ...ly 8 5 US gal 32 L Hydraulic Transmission Fluid TF 500 5 Front axle gear oil Approximately 2 3 US gal 8 8 L SAE 80W 90 gear oil 6 Greasing No of Greasing points Lubricants Type of grease Front axle pivot 2 Until grease overflows General all purpose grease NLGI grade No 2 Tie rod end 2 Lift link 1 NOTE Immediately after purchasing the tractor adjust the coolant mixture ratio of the coolant and wate...

Page 107: ... Non genuine parts can cause serious damage and accidents Item Part Number Lx410 Lx450 Lx490 Engine Oil Filter 129150 31560 Transmission Hydraulic Oil Filter 1A7640 48310 Outer Filter Inner Filter Fuel Filter Element 119802 55801 Alternator fan Belt 25152 00410 25132 00400 5 Amp Fuse 198535 52110 10 Amp Fuse 20 Amp Fuse 198535 52130 198535 52140 60 Amp Slow Blow Fuse 1A7000 52820 Battery 1A8160 51...

Page 108: ... implement to the ground Move the range gear lever to N neutral position Shut off the engine Remove the key from the starter key switch before starting any maintenance work Chock all the tires safely and securely WARNING Service the Tractor IMPORTANT Service and maintain the tractor more frequently if the tractor is used in severe conditions Engine components and parts can get dirty or deteriorate...

Page 109: ...ion push down Power Take Off PTO switch to OFF position never attempt to start the engine while the operator is still on the ground Engine exhaust gas contains carbon monoxide if inhaled the engine exhaust gas can cause severe poisoning or even death Always perform the safety checks in a well ventilated area When working in an enclosed area always expel the engine exhaust gas to an outdoor area co...

Page 110: ...ine oil level must be between the upper and lower marks on the dipstick When closing the hood avoid getting finger s trapped in the hood or hood support 2 Daily Checks IMPORTANT Always check the engine oil level daily insufficient or no engine oil can cause serious engine problems Always check the engine oil level before commencing operations Always check the engine oil level only while the engine...

Page 111: ...k 6 Use a clean rag to wipe the transmission hydraulic oil from dipstick 7 Fully insert and then pull out the dipstick again 8 Read the transmission hydraulic oil level on the dipstick The transmission hydraulic oil level should be between the upper mark and lower mark of the dipstick NOTE If the engine oil level is low Remove the engine oil filler cap Add the specified engine oil until the engine...

Page 112: ...nd dismounting of the tires into and from the rim must be performed by an authorized person using proper equipment Avoid inflating the tires above the recommended tire air pressure Avoid standing in front of or over a tire assembly during inflation Always use a clip on chuck and extension hose long enough for the tire to be inflated from a safe distance Avoid attempting to weld or apply heat into ...

Page 113: ...t 1 Before operating the tractor Always ensure that all the retractable seatbelt mounting hardwares are in good working condition 2 Replace any damaged hardware Check the Roll Over Protective Structure ROPS 1 Before operating the tractor Always ensure that the Roll Over Protective Structure ROPS mounting hardwares are in correct working condition 2 If any damage hardware is detected Contact YOUR L...

Page 114: ...st unloading valve by squeezing the valve Replace the rubber dust unloading valve as necessary A Rubber dust unloading valve A Rubber dust unloading valve IMPORTANT Dirt and water in the fuel can damage the engine Remove dirt and debris from the fuel tank opening Use a clean fresh and no additive fuel At the end of each day s operation fill the fuel tank to prevent condensation from occurring in t...

Page 115: ...iator hoses for any damages and cracks 7 Replace any damaged hoses 8 Check for loosen hose clamps 9 Replace as necessary 10 Lower the hood A Upper radiator hose B Hose clamps B Hose clamps C Lower radiator hose A Hose clamps B Lower radiator hose NOTE Visually check the hoses for damages and cracks Squeeze the hoses to check for evidences of deterioration The hoses must not be too hard brittle too...

Page 116: ...ustration Compressed air can explosively spray debris and dirt over a wide area Make sure there are no bystander s near the tractor While using compressed air for cleaning always wear protective goggles Reduce compressed air pressure to 30 psi 210 kPa IMPORTANT Keep the cooling screen clean make sure adequate air inflow is present prevent the engine from overheating NOTE The above illustration sho...

Page 117: ...vals Before daily operation After adjusting the tire tread width and after replacing the tires after 1 hour of operation every 4 hours after that until appropriate tightening torque values are reached and maintained For more information on maintenance work on the wheel bolt tightening torque for details see Check the Wheel Bolt Tightening Torque on page 12 2 A Front wheel bolts B Rear wheel bolts ...

Page 118: ...gas Read the DANGER WARNING AND CAUTION statements on the safety alert decals on the tractor Before starting the engine remain seated on the operator seat always move the following levers to the N neutral position primary gear lever range gear lever forward N reverse lever push down Power Take Off PTO switch to OFF position never attempt to start the engine while the operator is still on the groun...

Page 119: ... 5 Move the following levers to the N neutral position Primary gear lever Range gear lever Forward N reverse lever 6 Turn the starter key switch to START position 7 Slightly rise up from the operator seat to remove weight from the operator seat 8 Make sure that the engine is shut down 9 Turn the starter key switch to the OFF position A Parking brake lock lever B Power Take Off PTO switch C Range g...

Page 120: ...r 6 Turn the starter key switch to START position 7 Pull up Power Take Off PTO switch to ON position 8 Slightly rise up from the operator seat to remove weight from the operator seat 9 Confirm that Power Take Off PTO continues to operate 10 Sit on the operator seat 11 Disengage the parking brake 12 Slightly rise up from the operator seat to remove weight from the operator seat 13 Make sure that th...

Page 121: ...tor chemicals 9 Install the reserve tank cap 10 Lower the hood 11 Confirm that the hood latch locked securely A Reserve tank cap B Reserve tank a FULL line A Reserve tank cap B Reserve tank a FULL line Avoid injury Before checking always allow the radiator to cool down the radiator is hot and can cause burns the build up pressure in the cooling system can cause the coolant to spray out explosively...

Page 122: ... Water Separator on page 14 20 Change the Engine Oil For maintenance work for details see Change the Engine Oil and Engine Oil Filter on page 14 24 Replace the Engine Oil Filter For maintenance work for details see Change the Engine Oil and Engine Oil Filter on page 14 24 Replace the Transmission Hydraulic Oil Filters For maintenance work for details see Change the Transmission Hydraulic Oil and R...

Page 123: ...ear oil level must be between the upper and lower marks on the dipstick A Dipstick A Dipstick a Upper mark b Lower mark 12 Install and tighten the dipstick 13 Operate the tractor for several hours 14 Check the front axle gear oil level again 5 Every 50 Hours IMPORTANT Before checking the front axle gear oil level allow the front axle gear oil to settle for 1 hour until the current front axle gear ...

Page 124: ...r Muddy Conditions Lubricate the grease fittings once every 10 operating hours or once a day All Other Conditions Lubricate the grease fittings once every 50 operating hours A Front axle pivot pin grease fitting front IMPORTANT Use the recommended greases by Yanmar the preceding procedure prevents premature wear or failure of the parts and components The recommended greases by Yanmar perform effic...

Page 125: ...ry 50 operating hours SUPER LUBE is a registered trademark of Synco Chemical Corp 1 Move the operator seat forward 2 Lubricate the rear part of the operator seat slide rails with SUPER LUBE lubricants 3 Move the operator seat backward 4 Lubricate the front part of the operator seat slide rails A Operator seat slide rails 5 Lubricate the 3 Point Hitch Lubricate the ball joints with SUPER LUBE lubri...

Page 126: ...t deflects inward by approximately 0 4 to 0 6 in 10 to 15 mm 8 If the deflection is not as specified adjust the tension of the alternator fan belt A Adjusting bolt B 0 4 to 0 6 in 10 to 15 mm C Mounting bolt D Fixing bolt 2 Adjust the Alternator Fan Belt Tension 1 Loosen the adjusting bolt 2 Loosen the mounting bolt 3 Loosen the fixing bolt A Adjusting bolt B Mounting bolt C Fixing bolt 4 Exert an...

Page 127: ... fixing bolt 17 Lower the hood 18 Confirm that the hood latch locked securely A Fan sheave B Adjusting bolt C Alternator sheave D Crankshaft sheave Check the Fuel Water Separator Drain the Fuel Water Separator 1 Park the tractor safely and securely For details see 7 Safe Practices for Parking the Tractor on page 1 7 2 Shut off the engine 3 Chock all the tires safely and securely 4 Allow the engine...

Page 128: ...e hood 6 Release the three latch hooks The latch hooks secures the air cleaner canister cover to the air cleaner canister 7 Unhook the latch hooks from the air cleaner canister 8 Remove the air cleaner canister cover NOTE The fuel system is self bleeding v30_w_c5 n2 a b A B 6 Every 100 Hours Avoid injury Touching hot surfaces can burn skin If the engine has been running for some time the engine co...

Page 129: ...r oil deposits are found on the outer filter immerse the outer filter in detergent for 15 minutes wash the outer filter several times in water rinse in clean water and allow to dry once the outer filter is fully dry inspect the interior using a light to check for any damage A Outer filter B Compressed air 11 Install the outer filter 12 Replace the old outer filter with a new outer filter as necess...

Page 130: ...aste fuel properly following effective local law 7 Turn the locking collar counterclockwise to unlock the sediment bowl 8 Pull down the sediment bowl to remove from separator body 9 Remove the fuel filter from the separator body Dispose of the fuel filter properly following effective local law 10 Clean the sediment bowl 11 Install the new fuel filter into the separator body 12 Install the sediment...

Page 131: ...e to warm up the engine oil 2 Park the tractor safely and securely For details see 7 Safe Practices for Parking the Tractor on page 1 7 3 Shut off the engine 4 Chock all the tires safely and securely 5 Allow the engine to cool down for several minutes 6 Raise the hood 7 Place an oil pan underneath the engine oil drain plug A Engine oil drain plug v30_w_c5 n2 a b A B C 7 Every 200 Hours Capacity Lu...

Page 132: ...ark A Engine oil filler cap B Engine oil filter C Dipstick a Upper mark b Lower mark While draining oil that is still hot Stay clear of the hot oil and other engine parts in order to avoid getting burned NOTE The above illustrations shows Lx410 450 NOTE Carefully clean the area around the dipstick before removing the dipstick CAUTION 450140204 A B C 50 dipstick C a b NOTE The above illustrations s...

Page 133: ...sure the distance between the marks at the front end of the tire as A 5 Get the difference of the distance measurements D minus A The difference of the distance measurements must be limited to 0 16 to 0 32 in 4 to 8 mm 6 If the difference of the distance measurement is not within the limits Loosen the lock nut of the left and right tie rods Adjust the length of the threaded portion of the left and...

Page 134: ...rn the skin If the engine has been running for some time the engine components including all internal fluids are hot always allow the engine to cool down before performing maintenance or working near the engine and engine parts IMPORTANT More frequent maintenance can be required under severe or abnormal conditions Always keep the transmission hydraulic oil filler cap in place Remove the transmissi...

Page 135: ... new transmission hydraulic oil filter by turning clockwise Continue turning until the gasket is seated against the transmission hydraulic oil filter base Turn the transmission hydraulic oil filter an additional of approximately 1 2 turn A Transmission hydraulic oil filter 13 Remove the transmission hydraulic oil filler cap 14 Add approximately 8 5 US gal 32 L of transmission hydraulic oil through...

Page 136: ...parks Before performing maintenance shut off the engine and allow the engine to cool down Work in a well ventilated area Immediately wipe away any spilled diesel fuel NOTE When replacing the fuel filter Turn the fuel shut off valve to OFF closed position to prevent the fuel from draining Place an oil pan underneath the fuel filter Clean the area around fuel filter base Remove the fuel filter by tu...

Page 137: ...ightening 15 Remove the dipstick again 16 Check the front axle gear oil level on the dipstick 17 The front axle gear oil level must be between the upper and lower marks on the dipstick Add front axle gear oil as necessary A Dipstick a Upper mark b Lower mark 18 Install and tighten the dipstick 19 Operate the tractor for several hours 20 Check the front axle gear oil level again 450140931 B 4501409...

Page 138: ...rained Place the radiator petcock hose to the upright position 11 Install the radiator petcock hose to the strap 12 Install the radiator petcock A Radiator cap B Radiator petcock C Strap D Radiator petcock hose 10 Every 1000 Hours Avoid injury Always allow the radiator to cool down the radiator is hot and can cause burns the build up pressure in the cooling system can cause the coolant to spray ou...

Page 139: ...e radiator cap 4 Start and run the engine until the operating temperature is reached 5 Shut off the engine 6 Check the reserve tank coolant level 7 Add coolant as necessary 8 Lower the hood A Radiator cap Avoid injury Touching hot surfaces can burn skin If the engine has been running for some time the engine components are hot including all internal fluids Before performing maintenance or working ...

Page 140: ...oolant in the following cases after 1000 hours of operation or 2 years whichever comes first the cooling system is flushed Follow the instructions on the antifreeze container or contact YOUR LOCAL YANMAR TRACTOR DEALER for technical assistance Avoid exceeding the maximum dilution ratio for the coolant Exceeding the preceding ratio can jeopardize the effectiveness of the coolant Adjust the Tension ...

Page 141: ...er product s may cause defects and damages such as fluid leakage loss control of the tractor during operation fire burn injury NOTE Replace the air cleaner element at least once a year Replace the coolant once every 2 years or 1000 hours Replace the radiator hoses at least once every 2 years Replace the fuel hoses at least once every 2 years Replace the air intake hose at least once every 2 years ...

Page 142: ... cancer and reproductive harm After handling the battery wash the hands thoroughly WARNING WARNING Avoid injury The battery electrolyte contains sulfuric acid that is poisonous and can cause serious burns Wear protective goggles and gloves Avoid getting the skin in contact with the battery electrolyte If the battery electrolyte comes into contact with the skin immediately flush with plenty of wate...

Page 143: ...cket Always observe environment protection laws Dispose of possibly hazardous materials in accordance with the guidelines of the Environmental Protection Agency EPA and other relevant governmental bodies The hazardous materials in the tractor include engine oil diesel fuel transmission hydraulic oil battery coolant front axle gear oil Exercise good judgment in deciding what is and what is not haza...

Page 144: ...details see 7 Safe Practices for Parking the Tractor on page 1 7 2 Shut off the engine 3 Chock all the tires safely and securely 4 Allow the engine to cool down for several minutes 5 Raise the hood 6 Remove the battery For details see 1 Remove the Battery on page 15 3 7 Dissolve four tablespoons of baking soda in 4 qt 3 8 L of water to prepare a solution Use the solution to wash the battery Be ver...

Page 145: ...cable 12 Keep running the engine of the disabled tractor for not less than 10 min Replace the Accessory Fuses 1 Park the tractor safely and securely For details see 7 Safe Practices for Parking the Tractor on page 1 7 2 Shut off the engine 3 Chock all the tires safely and securely 4 Allow the engine to cool down for several minutes 5 Raise the hood 6 Grip both ends of the fuse holder cover and rem...

Page 146: ...retaining ring 10 Remove the headlights bulb from the socket 11 Insert the new headlights bulb into the socket 12 Lock the retaining ring and install the boot 13 Connect the wire harness connector to the headlights bulb 14 Turn the starter key switch to ON position 15 Turn on headlights switch 16 Make sure the headlight bulbs are functioning 17 Lower the hood IMPORTANT The alternator fuse glow fus...

Page 147: ... Turn on side lights switch 13 Make sure the side light bulbs are functioning 14 Lower the hood Replace the Tail Lights Bulb 1 Park the tractor safely and securely For details see 7 Safe Practices for Parking the Tractor on page 1 7 2 Shut off the engine 3 Chock all the tires safely and securely 4 Allow the engine to cool down for several minutes 5 Remove the key 6 Remove the two screws and lens f...

Page 148: ...er key switch to ON position 10 Turn on turn signal hazard lights switch 11 Make sure the turn signal hazard lights are functioning 12 Install the lenses Replace the Instrument Panel Light Bulb 1 Park the tractor safely and securely For details see 7 Safe Practices for Parking the Tractor on page 1 7 2 Shut off the engine 3 Chock all the tires safely and securely 4 Allow the engine to cool down fo...

Page 149: ...ulb holder 16 Insert the bulb holder to the instrument panel housing and rotate clockwise to lock position 17 Turn the starter key switch to ON position 18 Turn on headlights switch 19 Make sure the instrument panel lights are functioning 20 Install the instrument panel Perform the reverse of the preceding procedure Adjust the Headlights 1 The headlights are not adjustable 2 If headlights adjustme...

Page 150: ...implement to the ground 17 Apply grease to the exposed areas on the hydraulic cylinder piston rods 2 Prepare the Fuel and Engine for Storage Fuel 1 If stabilized fuel was used Fully fill the fuel tank with stabilized fuel 2 If stabilized fuel is not used Park the tractor safely and securely in a well ventilated place Chock all the tires safely and securely 3 Run the engine until all the fuel in th...

Page 151: ...under the front and rear axles to lift the tires off the ground 13 Do not expose the tires to direct sunlight or extremely high temperature 1 Check the tire air pressure As necessary refill with compressed air 2 Check the levels of engine oil transmission hydraulic oil and coolant 3 Check the battery electrolyte level 4 Make sure the battery has required voltage 12V 5 Install the battery 6 Check t...

Page 152: ...arge the battery Check whether the fuse s is are blown replace the blown fuse s Check for loose or corroded the battery terminals and battery cables tighten the loose battery terminals clean the corroded battery terminals and battery cables Check whether the start relay is faulty replace start relay Check whether the starter key switch is faulty contact YOUR LOCAL YANMAR TRACTOR DEALER Check wheth...

Page 153: ...ine contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the fuel injection pump is out of timing contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the fuel nozzles are faulty contact YOUR LOCAL YANMAR TRACTOR DEALER 3 A problem in the cooling 3 Cooling system Check whether the air intake system is clogged clean the air intake system 4 A problem in the lubrication 4 Lubrication system Check...

Page 154: ...e water and clean the sediment bowl Check whether the fuel filter is clogged replace the fuel filter Check whether air is present in the fuel system bleed air from the fuel system Check whether there is leak or bent in the fuel line contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the fuel injection pump is out of timing contact YOUR LOCAL YANMAR TRACTOR DEALER 3 A problem in the cooling 3 C...

Page 155: ...ty contact YOUR LOCAL YANMAR TRACTOR DEALER 2 A problem in the cooling 2 Cooling system Check whether the air intake for radiator is clogged clean the air intake for radiator Check whether the engine is overheating contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the coolant temperature is too low contact YOUR LOCAL YANMAR TRACTOR DEALER 3 A problem in the lubrication 3 Lubrication system Ch...

Page 156: ...l 1 Fuel system Check whether the specification of the fuel used is correct use correct fuel specification Check whether there is water in the sediment bowl remove the water and clean the sediment bowl Check whether the fuel injection pump is out of timing contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the fuel nozzles are faulty contact YOUR LOCAL YANMAR TRACTOR DEALER 2 A problem in the ...

Page 157: ...ant system Check whether the engine oil viscosity is high replace engine oil with the specified viscosity 4 A problem in the engine mechanical 4 Engine mechanical system Check whether the valve clearance is correct contact YOUR LOCAL YANMAR TRACTOR DEALER The oil pressure is low 1 A problem in the lubrication 1 Lubrication system Check whether the engine oil level is low add engine oil Check wheth...

Page 158: ...he lubrication 3 Lubrication system Check whether the engine oil level is over filled drain the engine oil to the specified level 4 A problem in the engine mechanical 4 Engine mechanical system Check whether the valve clearance is correct contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the pistons ring is worn out contact YOUR LOCAL YANMAR TRACTOR DEALER Check whether the compression pressu...

Page 159: ...stem Check whether the engine oil level is correct drain the engine oil to the specified level 4 A problem in the engine mechanical 4 Engine mechanical system Check whether the valve clearance is correct contact YOUR LOCAL YANMAR TRACTOR DEALER The problem is The possible cause s are Remedy The alternator battery charging light remains illuminated even though the engine is running 1 A problem in t...

Page 160: ...l 3 Electrical system Check whether the interface combination functions correctly contact YOUR LOCAL YANMAR TRACTOR DEALER The starter turns too slowly 1 A problem in the starter 1 Starter Check whether the starter is faulty contact YOUR LOCAL YANMAR TRACTOR DEALER 2 A problem in the battery 2 Battery Check for loose or corroded the battery terminals and battery cables tighten the loose battery te...

Page 161: ... the brake disk is worn out or damage contact YOUR LOCAL YANMAR TRACTOR DEALER The problem is The possible cause s are Remedy The steering is not working 1 A problem in the steering 1 Steering Check whether the transmission hydraulic oil level is low add transmission hydraulic oil Check whether the wheel spindles are damaged contact YOUR LOCAL YANMAR TRACTOR DEALER 2 A problem in the steering cyli...

Page 162: ...ydraulic flow control stop knob has been closed OFF open the hydraulic flow control stop knob Check whether an excessive load is being placed on the 3 point hitch reduce the 3 point hitch load Check whether the transmission hydraulic oil filter is clogged replace the transmission hydraulic oil filter The 3 point hitch lowers too slowly or does not lower at all 1 A problem in the hydraulic flow con...

Page 163: ... Station Controls 5 3 Operator Seat 7 2 Operator Seat Firmness Suspension Knob 5 10 7 2 Operator Seat Forward and Backward Lever 5 11 Operator Seat Suspension Stroke Adjustment Knob 5 10 Parking Brake 7 4 8 12 Parking Brake Indicator Light 5 13 Parking Brake Lock Lever 5 12 Periodic Service 14 1 Pictographs 2 Position Stop Knob 5 7 10 2 11 2 Power Take Off PTO Switch 5 6 Power Take Off PTO Shaft 5...

Page 164: ...NOTE ...

Page 165: ...NOTE ...

Page 166: ...NOTE ...

Page 167: ... NOTE The following decal is applicable only for Lx410 and Lx450 1A8250 65390 IMPORTANT Pursuant to California Public Resources Code Section 4442 6 WARNING Operation Qf This Equipment May Create Sparks That Can Start Fires Around Dry Vegetation A Spark Arrestor May be Required The Operator Should Contact Local Fire Agencies For Laws or Regulations Relating to Fire Prevention Requirements Operator ...

Page 168: ...ENGLISH 101 International Pkwy Adairsville GA 30103 http www yanmar com COMPACT TRACTOR Lx Series Lx410 Lx450 Lx490 OPERATOR S MANUAL Version 1 0 Code No 0A042 U00400 ENGLISH Yanmar America Corporation 101 International Pkwy Adairsville GA 30103 PRINTED IN U S A ...

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