Honda HRS21 Owner'S Manual Download Page 1 | Manualshive

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Summary of Contents for HRS21

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Page 3: ...y time without notice and without incurring any obligation No part of this publication may be reproduced without written permission This manual should be considered a permanent part of the mower and re main with the mower when sold Pay special attention to statements preceded by the following words w indicates a strong possibility of severe personal injury or loss of life if instructions are not f...

Page 4: ...cording to instructions and intended use mowing cutting grass and bagging cut grass when equipped with the grass bag Any other use could be dangerous l Read and understand the Owner s Manual before operating the mower Failure to do so could result in personal injury or equipment damage 2 ...

Page 5: ... 3 COMPONENT IDENTIFICATION 7 4 CONTROLS 9 5 OPERATION 11 6 BEFORE YOU START THE MOWER 12 7 STARTING AND STOPPING THE ENGINE 17 High altitude operation 20 8 TRANSPORTING STORAGE 23 9 MAINTENANCE 26 10 TROUBLESHOOTING 36 11 SPECIFICATIONS 37 12 WARRANTY SERVICE 38 3 ...

Page 6: ...1 CAUTION LABEL LOCATIONS DANGER KEEPHANDS and FEETAWAY ISA type 4 ...

Page 7: ... WA type 5 ...

Page 8: ...ug cap l Never stand in front of self propelled mowers when the engine is run ning Someone may accidentally engage the drive clutch l Clear the lawn of sticks stones or debris before mowing Mow only in cleared areas in daylight or good artificial light l Protect yourself by wearing long trousers and appropriate shoes Don t wear loose fitting clothing or sandals when mowing l Keep children and pets...

Page 9: ...3 COMPONENT IDENTIFICATION GRASS BAG GRIP 1 FLYWHEEL BRAKE LEVER GRASS BAG SA and PA types 11 THROTTLE LEVER DISCHARGE GUARD RECOIL STARTER SPARK PLUG CUTTING HEIGHT ADJUSTING LEVER I MUFFLER SA type 7 ...

Page 10: ...I DRIVE CLUTCH LEVER HANDLE FUEL FILLER CAP OIL FILLER CAP DISCHARGE ADAPTOR SVA and PVA types SVA type 8 ...

Page 11: ...t be moved forward and held against the handlebar to allow the engine to start and run When the flywheel brake lever is released the engine stops CAUTION If the Brake System fails to stop the engine turn off the fuel valve and allow the engine to stop completely Take the mower to an authorized Honda dealer for service See p 19 FLYWHEEL BRAKE LEVER 9 ...

Page 12: ...he handlebar with the other hand Both levers can be held against the handlebar with one hand while the mower is being operated Release the drive clutch lever to disengage the drive NOTE If the flywheel brake lever is also released the engine will stop CAUTION The drive clutch lever must be released for starting otherwise the mower will move forward when the starter is pulled 10 ...

Page 13: ...lopes Do not mow excessively steep slopes l Control direction by the handle not by foot pressure on the mower housing Keep a firm hold on the handle and walk never run with the mower Don t lag behind the machine or let it pull you CAUTION l Use extra care when mowing around objects to keep the blade from striking them Never deliberately mow over any object l Stop the engine immediately if the blad...

Page 14: ... oil certified to meet or exceed U S automobile manufacturers re quirements for service classification SE or SF Motor oils classified SE or SF will show this designation on the container SAE low 40 is recommended for general all temperature use a Place the mower on a level surface b Remove the oil filler cap and wipe the dipstick clean c Insert the dipstick into the oil filler neck but do not scre...

Page 15: ...k or pinging persists consult your authorized Honda dealer Failure to do so is considered misuse and damage caused by misuse is not covered by Honda s Limited Warranty Occasionally you may experience light spark knock while operating under heavy loads This is no cause for concern it simply means your engine is operating efficiently l Gasoline is extremely flammable and is explosive under certain c...

Page 16: ...ore than 5 methanol even if it has cosolvents and corrosion inhibitors NOTE l Fuel system damage or engine performance problems resulting from the use of fuels that contain alcohol is not covered under the warranty Honda cannot endorse the use of fuels containing methanol since evidence of their suitability is as yet incomplete l Before buying fuel from an unfamiliar station try to find out if the...

Page 17: ...d let it dry thoroughly Grass will not chute properly without adequate ventilation through the bag Make sure the bag is properly installed and the fastener is securely closed GRASS BAG FASTENER If equipped with a discharge adaptor Make sure the adaptor is properly installed Check the adaptor mounting bolts and nuts p 22 to be sure they are tightened and undamaged 15 ...

Page 18: ...s Torque 5 0 6 0 kg m 36 2 43 4 ft lb m To be certain that the engine will not start accidentally re move the spark plug cap before performing this inspection 5 Check the air cleaner element and clean it if it is dirty p 29 AIR CLEANER 16 ...

Page 19: ...nclosed area Be sure to provide adequate ventilation 1 Turn the fuel valve ON 2 Move the throttle lever to START CHOKE NOTE If the engi ne is warm or the air temperature is high move the throttle to LO as soon as the engine starts STARTNZ 3 Move the flywheel brake lever forward and hold it against the handlebar FLYWHEEL BRAKE LEVER 17 ...

Page 20: ...and 5 After the engine warms up move the throttle lever to HI THROTTLE Self propelled type only Push the drive clutch lever forward to propel the mower NOTE The throttle lever may be moved anywhere between HI and LO to adjust engine speed during operation However the engine may stall if the lever is at LO when mowing starts LO 18 ...

Page 21: ...the plug thread it in by hand until it seats Then tighten it an additional l 8 1 4 turn with the spark plug w rench to compress the washer 3 Move the throttle to HI turn on the fuel valve and repeat steps 3 5 under Starting the Engine Stopping the Engine 1 Release the drive clutch self propelled type only 8 and flywheel brake lever 2 Turn off the fuel valve FLYWHEEL BRAKE LEVER DRIVE CLUTCH LEVER ...

Page 22: ...y 3 5 for each 1 000 foot increase in altitude The affect of altitude on horsepower will be greater than this if no carburetor modification is made CAUTION Operation of the mower at an altitude lower than the carburetor is jetted for may result in reduced performance overheating and serious engine damage caused by an excessively lean air fuel mixture Cutting Height Adjustment Six settings are avai...

Page 23: ...l clog i quickly Removal 1 Stop the engine 2 Raise the discharge guard Grasp the bag handle Remove and raise the front end of the grass bag 3 Unhook the rear bag grip and remove the bag 4 Open the fastener to empty the bag Installation 1 Close the grass bag fastener 2 Hook the rear bag grip on the handlebar hook 3 Open the discharge guard and set the front end of the bag frame onto the recesses cw...

Page 24: ...i normal usage check frequently for damage and make sure the nuts and bolts are tightened Replace if damaged with a Honda genuine adaptor When the adaptor needs cleaning wash it with water and dry it thoroughly before using 6 mm bolt PVA and SVA types 22 ...

Page 25: ...ot tilt the unit spilled fuel may ignite Preparation for Storage The following steps should be taken to protect the mower whenever it will be stored for longer than 30 days 1 Drain the fuel tank and carburetor into a suitable gasoline container A Disconnect the fuel tube from the carburetor and drain the fuel tank FUEL VALVE 23 ...

Page 26: ...rea CARBURiTOR BOWL C Reinstall the bowl connect the fuel tube and turn the fuel valve off 2 Change the engine oil p 28 3 Pull the starter rope until resistance is felt This closes the valves and helps to protect the combustion chamber from corrosion 4 Coat areas that may rust with a light film of oil Cover the mower and store it on a level surface in a dry dust free area 24 ...

Page 27: ...CYLINDER MOTOR OIL Removal from Storage 1 Remove the spark plug check that it is clean and properly gapped p 29 Pull the starter rope several times 2 Thread the spark plug in by hand until it seats then use the plug wrench to tighten l 8 to l 4 turn further 3 Check the engine oil level and condition 4 Fill the fuel tank and start the engine NOTE If the cylinder was coated with oil the engine will ...

Page 28: ...tenance or repair Replacement parts which are not of equivalent quality may damage the mower Periodic inspection and adjustment of the Honda HRS21 are essential if high level performance is to be maintained Regular maintenance will also help to extend service life The required service intervals and the kind of maintenance to be performed are described in the chart on the following paw SPARK PLUG C...

Page 29: ...ore frequently when used in dusty areas 21 These items should be serviced by an authorized Honda dealer unless the owner has the proper tools and is mechanically proficient i See the Honda Shop Manual 3 For professional commercial use log hours of operation to determine proper maintenance intervals 27 ...

Page 30: ...y cause skin cancer if repeatedly left in contact with the skin for prolonged periods Although this is unlikely unless you han dle 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 NOTE Please dispose of used motor oil in a manner that is compatible with the environment We suggest you take it in a sealed co...

Page 31: ...cover Remove the element Carefully check the element for holes or tears and replace if damaged 2 Tap the element lightly several times on a hard surface to remove excess dirt or blow compressed air through the filter from the inside out Never try to brush the dirt off brushing will force dirt into the fibers If the element is excessively dirty replace it WING NUTS ELEMENT AiR CLEANER COVER 29 ...

Page 32: ...e it should be 0 7 0 8 mm 0 028 0 031 in If adjustment is necessary bend the side electrode carefully 4 Make sure the sealing washer is in good condition then thread the spark plug in by hand until it seats 5 Use the wrench to tighten a new plug l 2 turn further to compress the washer If you are reusing the plug it should only take l 8 l 4 turn after the plug seats 6 Replace the spark plug cap SPA...

Page 33: ...ilt the mower so the carburetor side is down It will result in hard starting 3 Sharpen the blade cutting edges with a file File the top side only Main tain the original bevel for a fine cutting edge File both ends evenly to maintain blade balance NOTE Use only a genuine HONDA replacement blade or equivalent 4 Clean away any dirt and grass from around the blade shaft 5 Install the blade so that the...

Page 34: ...way to UP as far as it will go Push the control lever with your finger to check whether it is all the way to UP CHOKE ARM CONTROL LEVER 2 If adjustment is necessary loosen the control cable lock nuts and move the adjuster up or down as required Tighten the lock nuts and recheck the carburetor choke arm position LOCK NUTS AbJUSTER 32 ...

Page 35: ...tween 5 1 0 mm 3 l 6 33 8 in 2 If adjustment is necessary loosen the lock nuts and turn them to run the adjuster up or down as required Tighten the lock nuts and recheck free play I 3 Start the engine and check to be sure the drive clutch engages and releases properly 5 10 mm 3 16 3 8 in VE CLUTCH LEVER LOCK NUTS 33 ...

Page 36: ...2 If adjustment is necessary loosen the lock nuts and turn them to run the adjuster up or down as required Tighten the lock nuts and recheck free play 3 Start the engine and operate the brake lever Check to be sure the engine is stopped when the lever is released Less than 5 mm 3 l 6 in BRAKE LEVER LOCK NUTS ADJUSTER 34 ...

Page 37: ...m screws and remove the muffler cap 2 Remove the spark arrester and gasket from the muffler protector Tak ing care not to damage the wire mesh 3 Check for carbon deposits around the spark arrester and clean if necessary 4 Install the gasket spark arrester and muffler cap on the muffler protector and then tighten the two 4 mm screws securely 4 mm SCREWS 3 5 ...

Page 38: ...s of power 1 Dirt in gas tank Dirty air cleaner 3 Water in gas tank or carburetor 4 Vent in gas cap and or carburetor clogged Erratic operation 1 Spark plug faulty or improperly gap ped p 30 2 Dirty air cleaner Engine overheats 1 Spark plug improperly gapped 2 Dirty air cleaner 3 Dirty cooling fins 4 Low oil level 5 Flywheel clogged by grass etc Excessive vibration 1 Loose blade or engine mounting...

Page 39: ... Imp qt Fuel tank capacity 0 8 P 0 21 US gal 0 18 Imp gal Spark plug BR 4HS NGK or W 14FR U ND FRAME SA PA types Dimensions 1500x585xlOOOmm Length x Width x Height 59 1 x 23 0 x 39 4 in SVA PVA types 1500 x 735 x 1000 mm 59 1 x 28 9 x 39 4 in Dry weight SA type 34 0 kg 75 0 lb PA type 31 O kg 68 4 lb SVA type 32 5 kg 71 7 lb PVA type 29 5 kg 65 0 lb Grass bag capacity 55 P 14 5 US gal 12 1 Imp gal...

Page 40: ...ct the Power Equipment Customer Relations Department of American Honda Motor Co Inc American Honda Motor Co Inc Power Equipment Customer Relations Department P O Box 50 Gardena California 90247 0805 Telephone 2 13 604 2400 We will need the following information in order to assist you Your name address and telephone number Product model and serial number Date of purchase Dealer name and address Nat...

Page 41: ...his way If you are dissatisfied with the decision made by the dealership s management contact the Honda Power Equipment Customer Relations Office You can write American Honda Motor Co Inc Power Equipment Division Customer Relations Office 4900 Marconi Drive Alpharetta GA 30005 8847 Or telephone 770 497 6400 M F 8 30 am 7 00 pm EST When you write or call please provide the following information Mod...

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