Honda HS621 User Manual Download

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Summary of Contents for HS621

Page 2: ...afety of others is very important We have provided important safety messages in this manual and on the snowthrower Please read these messages carefully A safety message alerts you to potential hazards that could hurt you or others Each safety message is preceded by a safety alert symbol A and one of three words DANGER WARNING or CAUTION These mean m You WILL be KILLED or SERIOUSLY HURT if you don ...

Page 3: ...ecommendation 11 Engine oil 13 STARTING THE ENGINE 14 SNOWTHROWER OPERATION 17 High altitude operation STOPPINGTHE ENGINE E MAINTENANCE 22 Maintenance schedule 23 Tool kit 24 Engine oil change 25 Spark plug service 26 Scraper inspection adjustment and replacement 28 Auger cluch cable inspection and adjustment 31 Drive belt inspection 33 Paddle inspection STORAGE ii TROUBLESHOOTING 39 SPECIFICATION...

Page 4: ...e labels warn you of potential hazards that can cause serious injury Readthem carefully If a label comes off or becomes hard to read contact your Honda snowthrower dealer for a replacement ISHUT OFF ENGINE WHEN REFUELING SNEVER REFUEL 3 ...

Page 5: ...Remove debris and other obstacles the snowthrower might strike or throw as that may cause injury or damage to the snowthrower Inspect the snowthrower before operating it Repair any damage and correct any malfunction before operation If you hit an obstacle while operating the snowthrower stop the engine immediately and check for damage Damaged equipment may increase the possibility of injury during...

Page 6: ...ower may overturn on steep slopes if left unattended causing injury to the operator or bystanders l Know how to stop the snowthrower quickly and understand the operation of all controls l Never permit anyone to operate the snowthrower without proper instruction If people or pets suddenly appear in front of the snowthrower while it is in operation immediately release the auger and drive clutch leve...

Page 7: ... refueling l Never run the engine in an enclosed or conffined area Exhaust contains poisonous carbon monoxide gas exposure can cause loss of consciousness and may lead to death l The muffler becomes very hot during operation and remains hot for a while after stopping the engine Be careful not to touch the muffler while it is hot Let the engine cool before storing the snowthrower indoors NOTE While...

Page 8: ...TCH STARTER BUTTON SPARK PLUG COV ENGINE SERIAL NUMBER I ENGINEOIL DRAIN PLUG SCRAPER BLADE FRAME SERIAL NUMBER Record the frame and engine serial numbers for your reference Refer to the serial numbers when ordering parts and when making technical or warranty inquiries see page 41 1 Frame serial number Engine serial number 7 ...

Page 9: ...rate the electric starter AS type Fuel valve STARTER SUTTON The fuel valve opens and closes the fuel line leading from the fuel tank to the carburetor Make sure that the valve is positioned exactly at either the ON or OFF position Before transporting the snowthrower be sure to turn the fuel valve to OFF to prevent possible fuel leaks spilled fuel or fuel vapor may ignite 8 ...

Page 10: ...Choke knob Close the choke when the engine is cold or difficult to start CHOKE KNOB Starter grip Pull this grip to start the engine c _ _ 9 ...

Page 11: ...e and direction Auger clutch lever When the clutch lever is squeezed the snowthrowing mechanism is put into operation and the snowthrower moves forward OPERATES AUGER CLUTCH L NOTE Never squeeze the auger clutch on cleared ground the snowthrower will start suddenly IO ...

Page 12: ...ne is refueled or where gasoline is stored l 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 securely Be careful not to spill fuel when refueling Spilled fuel or fuel vapor may ignite If any fuel is spilled make sure the area is dry before starting the engine l Avoid repeated or prolonged contact with skin or br...

Page 13: ...e rating requirement Before using an oxygenated fuel try to confirm the fuel s contents Some states provinces require this information to be posted on the pump The following are the EPA approved percentages of oxygenates ETHANOL ethyl or grain alcohol You may use gasoline containing up to 10 ethanol by volume Gasoline containing ethanol may be marketed under the name Gasohol MTBE methyl tertiary b...

Page 14: ...mended oil Use high detergent premium quality motor oil certified to meet or exceed U S automobile manufactures requirements for API Service Classification SG SF CC CD Motor oils classified SG SF CC CD will show this designation on the container Select the appropriate oil viscosity for the average temperature in your area as shown in the chart above SAE RN 30 is recommended for general all tempera...

Page 15: ...LT A C ONLY NO0 NOT CRANK OVER I MINUTE WllHOlJl r 1 m a COOLING 16 MINUTES NO0 NOT USE IN RAIN 2 Turn the engine switch to the ON position l To minimize the possibility of potentially dangerous electrical shocks always use a 3 conductor power cord with a power rating of no less than 15 amps Also be sure that the outlet you are using is properly grounded l Do not connect and disconnect the power c...

Page 16: ... securely DRAIN FUEL KNOB VALVE 3 In cold weather and when the engine is cold move the choke to the CLOSE position CHOKE KNOB 4 Pull the starter grip lightly until you feel resistance then pull briskly JV Damage may result if the starter grip is pulled while the engine is running 15 ...

Page 17: ... before operating it again l To avoid serious engine damage never operate the starter while the engine is running l After the engine starts disconnect the power cord from the electrical outlet first and then from the switch box STARTER BUTTON 5 Let the engine warm up for several minutes if the choke was in the CLOSE position return it gradually to the OPEN position as the engine warms up CHOKE KNO...

Page 18: ... your hand it will stop AUGER CLUTCH LEVER NOTE To move the snowthrower forward raise the handle up and away from the ground The snowthrower will move forward as long as the auger contacts the ground To stop push down on the handle to pivot the auger up and away from the ground or release the auger clutch lever When operating the snowthrower be sure your footing is secure and keep your hands firml...

Page 19: ...le the engine is running l If the snow discharge chute becomes clogged stop the engine and use a wooden stick to unclog it Never put your hand into the snow discharge chute while the engine is running serious personal injury could result NOTE l For most efficient snowthrowing clear snow before it melts and refreezes 9When you are operating the snowthrower over bumpy ground push down on the handle ...

Page 20: ...k the snowthrower slowly to remove hard or deep snow Push handle down and forward for additional traction and overlap each swath if necessary 5 When the height of the snow is greater than the height of the snow throwing mechanism push the snowthrower back and forth to remove snow gradually 19 ...

Page 21: ...rower dealer perform these carburetor modifications Even with suitable carburetor jetting engine horsepower will decrease approximately 3 5 for each 300 meter 1 000 feet increase in altitude The effect of altitude on horsepower will be greater than this if no carburetor modification is made A reduction in engine horsepower will reduce pumping performance When the carburetor is modified for high al...

Page 22: ...gine in an emergency turn the engine switch OFF immediately To stop the engine in normal circumstances 1 Turn the engine switch to the OFF position FF ENGINE SWITCH A Type AS Type 2 Turn the fuel valve to the OFF position FliEL VALVE 21 ...

Page 23: ...he spark plug wire from the plug so the engine cannot be started l If the engine must be run make sure the area is well ventilated Exhaust gas contains poisonous carbon monoxide exposure can cause loss of consciousness and may lead to death l To avoid overturning place the snowthrower on a level surface before performing inspection and maintenance l Use only genuine HONDA parts or their equivalent...

Page 24: ...ery 2 years I Valve clearance Fual tank if necessary Check Readjust clean NOTE 1 These parts may require more frequent inspection and replacement under heavy use L l These items shoukl be serviced by an authorized Honda dealer unlass the owned has the proper tools and is mechanically proficient See the Honda Shop Manual for service information 31 For professktnal commercial use fog hours of operat...

Page 25: ...Tool kit SPARK PLUG WRENCH WRENCH HANDLE 24 ...

Page 26: ...sed motor oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods Although this is unlikely unless you handle used oil on a daily basis it is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used oil l NOTE Please dispose of used motor oil in a manner that is compatible with the environment We suggest you take ...

Page 27: ...he spark plug must be properly gapped and free of deposits 1 Remove the spark plug cover then the spark plug cap 2 Clean any dirt from around the spark plug base 3 Use the wrench supplied in the tool kit to remove the spark plug SPARK PLUG WRENCH 4 lnspect the spark plug Discard it if the electrodes are worn or if the insulator is cracked or chipped If it is to be reused clean the electrode and in...

Page 28: ...eated tighten with a spark plug wrench to compress the washer NOTE If installing a new spark plug tighten l 2 turn after the spark plug seats to compress the washer lf reinstalling a used spark plug tighten l 8 to l 4 turn after the spark plug seats L 1 l Use only the recommended spark plugs or equivalent Spark plugs which have an improper heat range may cause engine damage l The spark plug must b...

Page 29: ...hat the scraper blade contacts the ground evenly Adjust the scraper blade if it does not contact the ground evenly 2 Check that the auger paddle ground clearance O 2 mm O 0 08 in 3 Replace the scraper blade if the service limit is exceeded PADDLE GROUND CLEARANCE O 2 mm O 0 08 In1 Adjustment Adjust auger paddle ground clearance by repositioning the scraper 1 Drain the fuel tank as described on pag...

Page 30: ...ests on the auger housing and chute guide 4 Loosen the four self locking nuts and lower the scraper blade fully 5 Adjust the auger paddle to ground clearance by rotating the holders NOTE l The holders can be set in four directions Be sure that all hoMers are set in the same directions l The blade is set at its lowest positionwhen the holders are installed with the three holes facing up l The holde...

Page 31: ...housing faces down 3 Remove the four self locking nuts and holders from the scraper and re move the scraper 4 Insert a new scraper into the auger housing securely 5 Install the self locking nuts and holders then tighten the self locking nuts securely NOTE l Check that all holders are installed in the same direction l Be sure that there is no clearance between the scraper and ground when the snowth...

Page 32: ... is not within specification Adjustment 1 Loosen the belt cover bolts and remove the belt cover 2 Pull the cable boot up to expose the adjusting plate 3 Disconnect the cable end from the clutch lever The cable end can be dis connected easily by squeezing the clutch lever and then holding the cable while releasing the lever Be careful to avoid bending the cable NOTE Observe the position of the belt...

Page 33: ...ther apart to increase free play ADJUSTING PLATE BELT TENSION SPRING CLUTCH CABLE 5 Connect the upper cable end to the clutch lever and check clutch lever free play again see page 31 1 Readjust if necessary If you are unable to adjust free play to specifications contact your local Honda snowthrower dealer for repairs 6 Pull the boot down over the adjusting plate after free play is correctly ad jus...

Page 34: ...ry year before operation If the snow discharge performance drops while operating the snowthrower or if it clogs often with snow the problem may be due to belt slippage 1 Check auger clutch lever free play see page 311 and adjust if necessary 2 Remove the belt cover bolts then remove the belt cover 33 ...

Page 35: ...belt should be adjusted if the lengh A of the drive belt tension spring is less than 30 mm 1 18 in with the auger clutch lever squeezed fully If adjustment is required consult your authorized Honda dealer CLUTCH CABLE BELT TENSI CABLE BOOT 34 ...

Page 36: ... snowthrower by raising the front end of the housing using the stopper 3 lnspect the paddles to be sure they are in good condition and are securely attached 4 Measure the distance from the outer edge of the auger to the outer edge of the rubber paddles The paddles are worn out and should be replaced if the distance is less than 15 mm 0 6 in CENTER PADD AUGER PADDL REVICE LIMIT 15 mm IO 6 In NOTE l...

Page 37: ...n the stored gasoline into a suitable container and fill with fresh gasoline before starting Use gasoline conditioners that are formulated to extend storage life Contact your authorized Honda snowthrower dealer for recommen dations of gasoline conditioners Before storing the snowthrower for an extended period 1 Be sure the storage area is free of excessive humidity and dust 2 Drain the fuel Gasoli...

Page 38: ...cup d Install the fuel strainer cup and tighten securely UP 3 Remove the spark plug cover and spark plug and pour three tables poonsful of clean motor oil into the cylinder Pull the starter grip slowly two or three times to distribute the oil Reinstall the spark plug SPARK PLUG COVER 37 ...

Page 39: ...s the valves and protects the engine from internal corrosion Apply oil to the following parts for lubrication and rust prevention 3l CHUTE ADJUSTI BOLT WHEEL SHAFT 7 AUGER SHAFT BEARINGS l Check all nuts botts and fasteners and tighten securely if necessary 38 ...

Page 40: ...l valve on Fuel should flow freely 5 Isthere a spark at the spark plug a Remove the spark plug cap Clean any dirt from around the spark plug base then remove the spark plug b Install the spark plug in the plug cap c Turn the engine switch on d Ground the side electrode at any engine gronud and crank the engine to see if sparks jump across the gap e If there are no sparks replace the plug If OK try...

Page 41: ...operating time WitIth of snow clearance 570 mm 22 4 in I 980 mm 38 6 in 41 5 kg 91 5 lbs 1 43 5 kg 95 9 Ibs I 522 mm 20 6 in 323 mm i12 7 in Max 10 m 32 8ft 33 Ton hour 1 4 hours Ignition system Oil capacity Fuel tank capacity Spark plug Recoil or electric starter AS Type Transistorized magneto 0 60 8 0 63 US qt 0 53 Imp qt 1 25 B 0 330 US gal 0 275 Imp gel BPR5ES NGKI W 1GEPR UINIPPONDENSO NOTE S...

Page 42: ...atisfied with the decision made by the dealership s n management contact the Honda Power Equipment Customer Service Office You can write to American Honda Motor Co Inc Honda Power Equipment Division Customer Service Office 4475 River Green Parkway Duluth Georgia 30136 9420 Or telephone H 04 497 6400 When you write or call please give us this information l Model and serial number l Name of dealer w...

Page 43: ...nd adjustment 31 Drive bett inspection 33 Engine oil change 25 Maintenance schedule Paddle inspection ii Scraper inspection adjustment and replacement 26 Spark plug service Tool kit PRE OPERATIONCHECK 11 Fuel recommendation 11 Engine oil 13 SAFETY Safety label locations Safety Information 4 SNOWTHROWER OPERATION 17 High altitude operation 20 SPECIFICATIONS 40 STARTING THE ENGINE 14 STOPPING THE EN...

Page 44: ... t I HONDA 1 31747700 Pm 4 5ca2 cvR Printed on 00x31 747 7000 02009902 Recycled Paper PRINTED IN U S A I I I I I 1 I I I I I ...

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