Honda HRM21PVA Owner'S Manual Download Page 1

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Owner's Manual

Rotary Mower

HRM21PVA • HRM21SVA

Summary of Contents for HRM21PVA

Page 3: ...HIS OWNER S MANUAL CAREFULLY Pay special attention to these symbols and any instructions that follow Indicates serious injury or death WILL result if instructions are not followed Indicates a strong p...

Page 4: ...ge Adapter optional 10 Grass Bag optional 11 4 CONTROLS 12 Fuel Valve 12 Throttle lever 12 Flywheel Brake Lever 13 Drive Clutch Lever HRMZlSVA 13 Cutting Height Adjustment levers 14 5 PRE OPERATION CH...

Page 5: ...Arrester Maintenance optional equipment 37 Flywheel Brake Cable Adjustment 38 Drive Clutch Cable Adjustment HRM21SVA 39 Throttle Cable and Stop Screw Adjustment 40 Grass Bag Cleaning optional equipmen...

Page 6: ...ner s manual before operation and maintenance AWARNING Objects hidden in the lawn can be thrown by the mower blade They can hurt you or any bystander I Clear lawn before mowing I Keep people and pets...

Page 7: ...ands and feet away from the mower deck while the engine is running l Stop the engine before adjusting cutting height or performing any inspection or maintenance l Wear heavy gloves to protect your han...

Page 8: ...not full Stored lawn clippings are a fire hazard l Honda HRM21 mowers are not factory equipped with spark arresters It is illegal in some areas to operate an engine without a USDA qualified spark arr...

Page 9: ...SIBILITY to safely operate this mower Does the young person think through problems and come to logical solutions Be honest Anyone who takes unnecessary risks and doesn t obey rules should not operate...

Page 10: ...HT ADJUSTMENT LEVER CUTTING HEIGHT ADJUSTMENT LEVER ENGINE SERIAL MUFFLER NUMBER I MOWER DECK Record the frame and engine serial numbers for your reference Refer to the serial numbers when ordering pa...

Page 11: ...H LEVER HRM21SVA THROTTLE LEVER AIR CLEANER COVER RECOIL STARTER GRIP FUEL VALVE OIL FILLER CAP CUTTING HEIGHT ADJUSTMENT LEVER I CARBURETOR CUTTING HEIGHT ADJUSTMENT LEVER HRM21PVA Manually propelled...

Page 12: ...o be considered for areas where you want the lawn to be clear of loose particles such as around swimming pools The side discharge adapter or grass bag adapter bolts onto the mower deck in place of the...

Page 13: ...h of the grass onto the mower deck 4 Release the discharge guard REAR BAG HANDLE FRONT BAG HANDLE I the and bag Removal 1 Raise the discharge guard 2 Grasp the front bag handle and raise the mouth of...

Page 14: ...urn the fuel valve to the OFF position to prevent the possibility of carburetor flooding and to reduce the possibility of fuel leakage AWARNING 1 Gasoline is extreme ly flammable and gasoline vapor ca...

Page 15: ...ade release the lever DRIVE CLUTCH LEVER HRM21SVA only This lever operates the drive clutch for the rear wheels Maximum drive speed at full throttle is 3 3 feet per second 1 0 meter per second For sel...

Page 16: ...et all four adjustment levers to the same cutting height position ADJUSTMENT LEVERS ADJUSTMENT l l 14 LEVER Select the correct cutting height for your mowing requirements Cutting height settings of l...

Page 17: ...Always inspect the blade before using the mower When the blade needs sharpening or replacement take the lawn mower to an authorized Honda lawn mower dealer Or if you have a torque wrench you can remov...

Page 18: ...lade DISCHARGE Grass Bag optional Check that the grass bag is in good condition and not clogged A clogged grass bag will not collect grass efficiently When the bag needs cleaning wash it with a garden...

Page 19: ...k with the recommended oil pimq Running the engine with a low oil level will cause engine damage Use high detergent premium quality 4 stroke engine oil certified to meet or exceed U S automobile manuf...

Page 20: ...xtremely flammable and gasoline vapor can explode Use extreme care when handling gasoline Refuel in a well ventilated area with the engine stopped Do not smoke or allow flames or sparks in the area wh...

Page 21: ...e to use a gasoline containing alcohol gasohol be sure its octane rating is at least as high as that recommended by Honda There are two types of gasohol one containing ethanol and the other containing...

Page 22: ...rty To clean the air filter tap it several times on a hard surface to remove dirt or blow compressed air not exceeding 30 psi through the filter from the inside Never try to brush off dirt brushing wi...

Page 23: ...utting height settings and make any necessary adjustments see page 14 Set all four adjustment levers to the same cutting height position AWARNING The blade can cause serious injury Stop the engine bef...

Page 24: ...keep exhaust gas from building up provide adequate ventilation 1 Turn the fuel valve to the ON position 2 FOR STARTING A COLD ENGINE Move the throttle lever to the START CHOKE position FOR RESTARTING...

Page 25: ...lever NOTE The blade turns when you operate the starter It is easiest to start the engine in a clear or mowed area where the blade can turn freely 5 When the engine warms up move the throttle lever a...

Page 26: ...ARK PLUG WRENCH 1 Remove the spark plug dry it then reinstall it NOTE Install the spark plug carefully by hand to avoid cross threading After the spark plug is seated tighten l 8 to l 4 turn with a sp...

Page 27: ...Release the drive clutch lever to disengage the drive when mowing around trees and other obstacles Push the mower for better directional control Release the flywheel brake lever to stop the engine an...

Page 28: ...inkler heads paving edging etc Avoid anything that sticks up above the surface of the lawn Striking objects may damage the blade bend the crankshaft and or break the mower deck or other components 1 A...

Page 29: ...in use turn the i fuel valve to the OFF position to prevent the possibility of carburetor h flooding and to reduce the possibility of fuel leakage 7 Gasoline is extremely flammable and gasoline vapor...

Page 30: ...wer dealer perform this carburetor modification Even with carburetor modification engine horsepower will decrease about 3 5 for each 1 000 foot increase in altitude The effect of altitude on horsepowe...

Page 31: ...grass is reduced in height a little at a time and is allowed to recover between mowings the grass will be healthier and the mower will work better and will leave a better lawn finish For good mowing c...

Page 32: ...t into sections where you can use counterclockwise mowing patterns Side discharge mowing optional equipment Use a counterclockwise mowing pattern starting at the outer edges of the lawn and working to...

Page 33: ...kly If the grass is not very thick or tall you can mow a wide swath Keep the wheels close to the swath line for maximum cutting width If the grass is very thick or tall cutting a wide swath may slow o...

Page 34: ...ove the grass bag if so equipped FUEL VALVE To reduce the possibility of fuel leakage keep the mower level while transporting and avoid tilting the mower excessively when loading and unloading l If a...

Page 35: ...gine cool for at least 15 minutes before performing maintenance IGrass or side discharge adapter optional Check equipment I I I Engine oil Air filter Spark plug Spark Arrester optional equipment Flywh...

Page 36: ...op of the oil filler neck Reinstall the oil filler cap dipstick Engine oil capacity 0 37 US qt 0 35 PI 1ACAUTION 1Used motor oil may cause skin cancer if repeatedly left in contact with the skin for p...

Page 37: ...ts then remove the air cleaner cover 2 Remove and inspect the filter Replace the filter if it is damaged 3 Tap the filter several times on a hard surface to remove dirt or blow compressed air not exce...

Page 38: ...if the electrodes are worn or if the insulator is cracked or chipped Clean the spark plug with a wire brush if you are going to reuse it 4 Measure the spark plug electrode gap with a feeler gauge The...

Page 39: ...screws from the exhaust deflector 2 Remove the exhaust deflector spark arrester and gasket 3 Check for carbon deposits on the spark arrester and the muffler port Brush off carbon deposits Be careful t...

Page 40: ...n the lock nuts with a 10 mm wrench and move the adjuster up or down as required Tighten the lock nuts and recheck free play 3 Hold the lever forward and start the engine Release the lever the engine...

Page 41: ...10 mm wrench and move the adjuster up or down as required Tighten the lock nuts and recheck free play 3 Start the engine and operate the drive clutch lever Check to be sure the drive clutch engages an...

Page 42: ...is necessary loosen the throttle control cable lock nuts with a 10 mm wrench and move the adjuster up or down as required so the choke just closes choke arm moves inward as far as it will go Tighten...

Page 43: ...onal equipment When the bag needs cleaning wash it with a garden hose and allow it to dry completly before use a wet grass bag will clog quickly Replace a frayed torn or deteriorated bag with a Honda...

Page 44: ...nda lawn mower dealer Blade replacement Install a genuine Honda replacement blade or its equivalent Use the standard HRM21 low lift blade for mulching Use the optional high lift HRM21 blade for side d...

Page 45: ...stalled upside down the 1 edges cannot cut properly l The blade nuts are specially designed for this application and must not be replaced with any other nuts 3 Tighten the blade nuts with a torque wre...

Page 46: ...the mower has been running allow the engine to cool for at least half an hour before spraying water on it Never spray water on a hot engine l Wash the mower using low water pressure and keep water awa...

Page 47: ...s HONDA FUEL STABILIZER which is formulated to extend fuel storage life b Run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced the untreated gasoline in the carburetor...

Page 48: ...ING Gasoline is extremely flammable and gasoline vapor can explode Use extreme care when handling gasoline e Remove the carburetor float bowl by squeezing the retaining tabs on the sides of the bowl E...

Page 49: ...Cover the mower to keep out dust NOTE Plastic sheets should not be used as dust covers they trap moisture under the covers promoting rust and corrosion Removal from Storage Check all items described i...

Page 50: ...spark plug and clear flooded engine p 24 4 Take mower to Honda lawn mower dealer for service or repair Fuel filter clogged carburetor Take mower to Honda lawn malfunction ignition mower dealer or ref...

Page 51: ...slow to Move throttle lever to the HI cut well position p 251 Mower is moving too fast for Push slower fp 31 lawn conditions 3 Check cutting height adjustment levers 4 Check grass bag optional equipme...

Page 52: ...IIO 4stroke overhead valve single cylinder forced air cooled 6 7 cu in 110 cc 2 0 x 2 2 in 50 x 56 mm Maximum Horsepower 3 5 hp at 3 600 rpm Maximum Torque Max Governed Speed 0 46 ft lb at 2 500 rpm 3...

Page 53: ...ion contact the Power Equipment Customer Relations Department of American Honda Motor Co Inc American Honda Motor Co Inc Power Equipment Division PO Box 100021 Duluth Georgia 30136 9421 Telephone 404...

Page 54: ...is 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 Equipme...

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Page 57: ...POM53418 50 2002 08 PRINTED IN U S A P N 31VA2031 00X31 VA2 2031 Printed on Recycled Paper KINKOS...

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