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Honda UMK450T, Owner'S Manual

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Honda UMK450T Owner'S Manual Download Page 17

16

Record the frame serial number (see page 15), engine serial number,   

date purchased in the spaces below. You will need these information 

when ordering parts, and when making technical or warranty inquiries.

Frame serial number:                                                                                

Engine serial number:                                                                               

Date purchased:                                                                               

AIR 

CLEANER

TOP COVER

SPARK PLUG

FUEL TANK CAP

FUEL RETURN 

TUBE

FUEL TUBE

ENGINE SERIAL 

NUMBER

STARTER GRIP

ENGINE OIL FILLER 

CAP

MUFFLER

PRIMING 

PUMP

SPARK PLUG CAP

(inside the top cover)

CHOKE LEVER

4EVR5600.book  Page 16  Thursday, July 12, 2018  5:00 PM

Summary of Contents for UMK450T

Page 1: ...T Bk GRASS WEED TRIMMER 4EVR5600 00X4E VR5 6000 Honda Motor Co Ltd 2018 Printed in Thailand C 6mm PANTONE 186C OWNER S MANUAL Read and understand this Owner s Manual before operating the grass weed tr...

Page 2: ...al injury or death if instructions are not followed CAUTION Indicates a possibility of personal injury or equipment damage if instructions are not followed NOTE Gives helpful information If a problem...

Page 3: ...IDENTIFICATION 15 4 CONTROLS 17 5 PRE OPERATION CHECKS 20 6 STARTING THE ENGINE 36 7 TRIMMING OPERATION 40 8 STOPPING THE ENGINE 44 9 MAINTENANCE 45 10 TRANSPORTING 62 11 STORAGE 63 12 TROUBLESHOOTING...

Page 4: ...ury or equipment damage Keep all persons and pets away from the grass weed trimmer operating area To prevent accidental contacts with the wheeling cutting attachment or thrown objects from the wheelin...

Page 5: ...trimmer Local regulations may restrict the age of the operator If you lend or resell your grass weed trimmer to a third person instruct him or her with how to handle the product and alert him or her...

Page 6: ...caught in the grass weed trimmer or on the weed causing injury Bind your hair if it is long and do not let your hair below your shoulder Protective devices Goggles Wear the goggles or other eye protec...

Page 7: ...ing the amount of pollens you breathe Before each use visually inspect the grass weed trimmer including a cutting attachment for any damage and looseness of fastening part Avoid operating the grass we...

Page 8: ...pplication Before cranking the engine be sure to check the cutting attachment cannot come into contact with the ground or any obstruction Failure to do so may result in losing control of the grass wee...

Page 9: ...gest the damaged rotating parts or loose fasteners Examine the cause of the problem and do not start the engine before repair is made When wires catch on the wheeling cutting attachment and flap aroun...

Page 10: ...position if you are very tall Do not operate the grass weed trimmer if the cutting attachment is close to your feet when you hold the grass weed trimmer at the correct position Check the balance of th...

Page 11: ...Keep your body warm especially your hands wrists and arms Take your breaks at shorter intervals and arm exercises well to maintain good blood circulation Do not smoke while working When you feel disc...

Page 12: ...grass weed trimmer off if children enter the area Children should never be allowed to operate the grass weed trimmer even under adult supervision Thrown Object Hazard Objects hit by the wheeling cutti...

Page 13: ...creating any source of ignition until gasoline vapors have dissipated Tighten all fuel tanks and container caps securely When you start the engine after refueling be sure to start the engine at least...

Page 14: ...ad to death If you run the engine in an area that is confined or even partially enclosed the air you breathe could contain a dangerous amount of exhaust gas To keep exhaust gas from building up provid...

Page 15: ...o remind you pictorially of main precautions to take during use Their meanings are explained on page 3 These decals are considered as a part of the grass weed trimmer Should one become detached or unr...

Page 16: ...15 3 COMPONENT IDENTIFICATION ENGINE SWITCH THROTTLE TRIGGER CUTTING BLADE GEAR CASE GRASS DEFLECTOR U SHAPED HANDLE FRAME SERIAL NUMBER 4EVR5600 book Page 15 Thursday July 12 2018 5 00 PM...

Page 17: ...and when making technical or warranty inquiries Frame serial number Engine serial number Date purchased AIR CLEANER TOP COVER SPARK PLUG FUEL TANK CAP FUELRETURN TUBE FUEL TUBE ENGINE SERIAL NUMBER ST...

Page 18: ...ion for the engine to run Turning the engine switch to the OFF position stops the engine 2 Priming pump Pressing the priming pump feeds the gasoline from the fuel tank to the carburetor This procedure...

Page 19: ...arting a cold engine The OPEN position provides the correct fuel mixture for operation after starting and for restarting a warm engine 4 Starter grip Pulling the starter grip operates the recoil start...

Page 20: ...gradually the engine speed increases and the cutting attachment starts to run Pull the throttle trigger more to accelerate the engine speed and the cutting rotating speed By releasing the throttle tr...

Page 21: ...ace and remove the oil filler cap 2 Check the oil level it should reach to the edge of the oil filler neck and check the engine oil for contamination and deterioration 3 If the oil level is low fill w...

Page 22: ...sure it includes the letters SE or later or equivalent SAE 10W 30 is recommended for general use Other viscosities shown in the chart may be used when the average temperature in your area is within th...

Page 23: ...the area where the engine is refueled or where gasoline is stored Do not overfill the fuel tank there should be no fuel in the filler neck After refueling make sure the tank cap is closed properly and...

Page 24: ...uel level is low refuel the fuel tank until the level as specified Remove the fuel tank cap gradually to release a pressurized air in the fuel tank Fuel in the fuel tank may spout out if the fuel tank...

Page 25: ...gasohol one containing ethanol and the other containing methanol You may use unleaded gasoline containing no more than 10 ethanol E10 or 5 methanol methyl or wood alcohol by volume In addition methan...

Page 26: ...ove the air cleaner cover from the air cleaner body 3 Check the air cleaner element for dirt or obstruction Clean the air cleaner element if it is dirty see page 50 4 Reinstall the air cleaner element...

Page 27: ...e 0 5 2 5 mm at the tip of the throttle cable If the free play is not as specified above adjust the free play see page 56 4 Check the throttle trigger operates smoothly and always spring back to the i...

Page 28: ...might occur due to its instability 1 Wear the shoulder harness so that the hip pad is on the right side of your body Make sure the harness does not twist 2 Adjust the length of the harness as shown in...

Page 29: ...28 3 Insert the end of the harness in to the hoop Insert the end of the harness in to the hoop HOOP 4EVR5600 book Page 28 Thursday July 12 2018 5 00 PM...

Page 30: ...ulder harness 1 Put on the shoulder harness 2 Set the hook to the hanger 3 Check that the hook is fastened to the hanger securely HIP PAD HANGER SHOULDER HARNESS HOOK 4EVR5600 book Page 29 Thursday Ju...

Page 31: ...to protect your hands when working around the cutting blade 1 Stop the engine with the engine switch to the OFF position 2 Check the tightness of the cutting blade nut Tighten the nut if it is loose...

Page 32: ...be sure that they are correctly installed and are not damaged If the grass deflector is damaged replace it before using the grass weed trimmer 3 Check the grass deflector mounting bolts for looseness...

Page 33: ...utting blade If there is remove it 3 After removing grass or thread check if there is contaminated material such as mud or dirt in between the grass guard and cutting blade If there is remove the cutt...

Page 34: ...A clean them using the following procedure 1 Stop the engine with the engine switch to the OFF position 2 Remove the cutting blade See page 52 3 Remove the blade holder A 4 Remove grass thread mud or...

Page 35: ...ct the drive bolt make sure to assemble blade holder A to the gear case before attaching the cutting blade To attach the cutting blade refer to page 52 Inspect the nut cover Check the wear of the nut...

Page 36: ...bolt and nut for looseness Tighten them securely if necessary 2 Check the handle for loose mounting bolts or screws and tighten them securely if necessary The recommended handle angle is 90 degree HA...

Page 37: ...o not start the engine with the cutting attachment touched the ground or any obstruction The trimmer can make unexpected movement causing injury in your legs etc NOTE Wear protective clothing and prot...

Page 38: ...ress the priming pump several times until the priming pump is filled with fuel Even if the priming pump is pressed too many times the extra fuel will return to the fuel tank If the priming pump is not...

Page 39: ...ently CAUTION Do not allow the starter grip to snap back against the engine Return it gently to prevent damage to the starter Damage may result if the starter grip is pulled while the engine is runnin...

Page 40: ...ation This engine when operated at high altitude with the carburetor modifications for high altitude use will meet each emission standard throughout its useful life Even with carburetor modification e...

Page 41: ...he shoulder harness hook by its hanger 3 Keep the trimmer so that the cutting attachment is parallel to the ground by holding the handle with your both hands 4 Adjust the shoulder harness length so th...

Page 42: ...2 Slacken your grip on the handle gradually Do not release but put your both hands lightly on the handle and be sure that the height of the cutting attachment from the ground does not change large thi...

Page 43: ...eed correctly before using the trimmer For idle adjustment consult your authorized Honda servicing dealer Hold the trimmer firmly with your both hands with your fingers and thumbs encircling the handl...

Page 44: ...des When operating the grass weed trimmer on a moderate slope stand at the down side of the slope The steep slope is slippery and you can lose your balance Do not operate the grass weed trimmer on a s...

Page 45: ...hat the cutting attachment keeps turning for a while by inertia after the engine is stopped NOTE Be sure that the engine is stopped and the cutting attachment stops turning before placing the grass we...

Page 46: ...nance or repair Replacement parts which are not of equivalent quality may damage the trimmer Periodic checks and adjustment of the Honda UMK450T is essential if high level performance is to be maintai...

Page 47: ...ark plug Check adjust o 54 55 Replace o Throttle cable Check o 26 56 Shoulder harness Check o 29 Cutting attachment Check o 30 Replace if necessary Grass deflector Check o 31 Engine cooling fins Check...

Page 48: ...plied are necessary for performing some periodic maintenance simple adjustments and repairs SPARK PLUG WRENCH 8 10mm WRENCH 5 mm HEXAGON WRENCH 4 mm HEXAGON WRENCH TOOL BAG 4EVR5600 book Page 47 Thurs...

Page 49: ...burn wait until they cool down before starting the oil change NOTE Drain the oil while the engine is still warm to assure rapid and complete draining 1 Check the fuel tank cap is tightened 2 Remove t...

Page 50: ...handling used oil NOTE Please dispose of used motor oil in a manner that is compatible with the environment We suggest you take it in a sealed container to your local service station for reclamation D...

Page 51: ...e gasoline or low flash point solvents for cleaning the air cleaner element A fire or explosion could result CAUTION Never run the engine without the air cleaner Rapid engine wear will result 1 Move t...

Page 52: ...imes on a hard surface to remove dirt or blow compressed air not exceeding 200 kPa 2 0 kgf cm2 29 psi through the filter element from the air cleaner body side Never try to brush off dirt brushing wil...

Page 53: ...agon wrench remains in the hole then loosen the blade nut turns clockwise Pay attention to the order and orientation of the parts as they are removed 3 Installation can be performed in the reverse ord...

Page 54: ...he gearbox 2 Remove the grass deflector mounting bolts and then remove the grass deflector 3 Place the deflector holder on new grass deflector and align the bolt holes 4 Keep the grass deflector posit...

Page 55: ...g of incorrect heat range 1 Loosen the hex socket bolt with a 4mm hexagon wrench then remove the top cover 2 Remove the spark plug cap and use the proper size spark plug wrench to remove the spark plu...

Page 56: ...ling a new spark plug tighten 1 2 turn after the spark plug seats to compress the washer If reinstalling a used spark plug tighten 1 8 1 4 turn after the spark plug seats to compress the washer TORQUE...

Page 57: ...ee play at the tip of the cable by pulling and releasing the throttle trigger a few times and adjust the free play by using the adjusting nut It should be 0 5 2 5 mm at the tip of the throttle cable T...

Page 58: ...r cover and tighten the screw securely CAUTION After removing the air cleaner cover reinstall the air cleaner cover securely Failure to tighten the cover securely may cause the cover to come out of po...

Page 59: ...ion Inspect the cooling fin visually through the cover If there are dry grass leaves and mud clogged consult your service dealer for cleaning it COOLING FINS Inside the top cover 4EVR5600 book Page 58...

Page 60: ...er Stop the engine Service in a well ventilated area Keep heat sparks and flame away Do not smoke Do not spill the gasoline If you spilled the gasoline wipe it up immediately and dispose of the cloth...

Page 61: ...mmable or high flash point solvent If the fuel filter is excessively dirty replace it 5 Remove water and dirt stood in the fuel tank by rinsing the inside of the fuel tank with nonflammable or high fl...

Page 62: ...l tubes contact an authorized Honda dealer 10 Grease of gear case 1 Remove the bolt of gear case 2 Apply the grease 15 20 g or full at the gear case 3 Install the bolt securely Tighten the bolt secure...

Page 63: ...e sure the fuel cap is securely tightened Carrying the grass weed trimmer by hand Attach it to the shoulder harness or hold the main pipe to carry it in a good balance Transporting the grass weed trim...

Page 64: ...is in the OFF position to be certain the engine will not start accidentally 1 Clean all exterior surfaces touch up any damaged paint and coat other areas that may rust with a light film of oil 2 Drain...

Page 65: ...store or transport gasoline in PET poly ethylene terephthalate bottles 3 Let the engine working until it stops because lack of fuel CAUTION The engine will be very hot allow it to cool before proceedi...

Page 66: ...veral times see page 37 4 Is the spark plug in good condition Clean readjust gap and dry the spark plug Replace it if necessary see page 54 5 If the engine still does not start take the grass weed tri...

Page 67: ...ifugal clutch Cutter Type 2 tooth blade O D 350 mm Number of rotation When engine rotation speed 7 000 rpm 5 250 rpm Overall length With blade 1 950 mm Overall width 640 mm Overall height 440 mm Dry m...

Page 68: ...onditions maintenance and other variables NOTE Specifications may vary according to the types and are subject to change without notice MODEL UMK450T Engine model GX50T Engine description code GCCFT En...

Page 69: ...68 MEMO 4EVR5600 book Page 68 Thursday July 12 2018 5 00 PM...

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