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The HRA-21 meets CPSC blade safety requirement for walkbehind rotary power mowers. This manual covers operation and maintenance of the HONDA ROTARY MOWER HRA2 1. All information in this publication is based on the latest product information available at the time of approval for printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incur- ring any obligation. Any powered product can be a potential source of danger if misused or improperly m
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Thank you for purchasing a Honda Lawn Mower. If any problems occur, or if there are any questions concerning the mower, consult an authorized HONDA dealer. No part of this publication may be reproduced without written permission. The Honda rotary mower is designed to give safe and dependable service if operated according to instructions and intended use: mowing (cutting) grass, and bagging cut grass when equipped with the grass bag. Any other use could be dangerous. Failure to do so could
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3 CONTENTS.. ............................................................ GENERAL SAFETY ............................... : ....................... 4 ............................................. COMPONENT IDENTIFICATION 5 THECONTROLS.. ........................................................ 7 OPERATION ............................................................. 9 ................................................ TRANSPORTING/STORAGE 18 21 MAINTENANCE .................................
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GENERAL SAFETY * Protect yourself by wearing long .trousers and ap- * Know how to stop the engine quickly and under- propriate shoes. Don’t wear loose fitting clothing stand operation of aN rhe controls. Never permit or sandals when mowing. anyone to operate the mower without proper in- * Keep children and pets away from the mower at all strut tion. times. * The rear shield is for your protection; keep it * If the blade strikes a stone, sprinkler head, etc., be in place at all times.
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COMPONENT IDENTIFICATION ROTO-STOP LEVER GRASS BAG HANDLE FUEL TANK CAP RECOIL STARTER AIR CLEANER 1 SPARK PLUG CAP LEYER CUTTING HEIGHT ADJUSTING THROTTLE LEVER GRASS BAG ENGINE OIL DRAIN PLUG MUFFLER SDA Type 5
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DRIVE CLUTCH LEVER 1 ~HANDLE GRASS BAG GRIP ,,lSC..,ARGE G,, OIL FILLER CAP REAR SHIELD 6
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THE CONTROLS THROTTLE CONTROL LEVER Throttle (All TYPES) “CHOKE” “HI” “LO” “IDLE” “STOP” ROTO-STOP (All TYPES) To put the cutting blade into operation, press the ROTO-STOP LEVER button on top of the ROTO-STOP lever and push the lever forward, holding it against the handlebar. The blade will stop when the ROTO-STOP lever is released.
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I)rive Clutch (SDA and SDAW ,TYPES) For self-propelled operation, push the drive clutch lever forward and hold it against the handlebar. The drive clutch lever holds the ROTO-STOP lever forward during self-propelled operation. The button on top of the ROTO-STOP lever must be pressed before either of these levers can be moved forward - the cutting blade must be put into operation when- ever the mower is to be self-propelled. When the drive clutch lever is released, the drive clutch is d
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OPERATION NOTE: The HRA21 may be used with the grass bag or dis- Do not mow excessively steep Mow across slopes. charge adapter. The following suggestions and rules are intended slopes. Always push, never pull, a mower with the engine to help you operate your Honda HRA21 under the Control direction by the handle, not by safest conditions possible. Be alert and exercise the running. foot pressure on the mower housing. same care using the mower as you would using any Keep a firm hold
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BEFORE YOU START THE MObVER 1. Check the engine oil level. pY5V-l * Engine oil is a .major factor affecting engine per- formance and service life. Non-detergent or veget- able oils are not recommended. * Running the engine with insufficient oil can cause serious engine damage. Use Honda-&troke, or an equivalent high deter- gent, premium quality motor oil certified to meet or exceed U.S. automobile manufacturers’ requirements for service classification SE or SF. (Motor oils clas- sifi
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2. Check the fuel level. Use regular or unleaded automotive gasoline of 86 pump octane or higher. Never use an oil/gasoline mixture or dirty gasoline. Avoid getting dirt, dust or water in the fuel tank. * Gasoline is extremely flammable and explosive un- der certain conditions. Refuel in a well ventilated area with the engine stopped. * Do not smoke or allow flames or sparks in the area where the mower is refueled or where gasoline is stored. * Be careful not to spill fuel when refuel
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3. Check the grass bag for fraying, tears and clogged mesh. Wash the bag with water if necessary, and let it dry thoroughly. Grass will not chute proper- ly without adequate ventilation through the bag. Make sure the lock lever is latched securely. 4. Check the blade bolts for tightness. Torque: 455.5 kg m ( 32.5-39.8 ft lb) - * To be certain that the engine will not start acciden- tally, remove the spark plug cap before performing this inspection. 5. Check and clean the air cleaner e
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STARTING THE ENGINE * Exhaust gas contains poisonous carbon monoxide. Never run the mower in an enclosed area. Be sure to provide adequate ventilation. 1. Move the throttle lever to “CHOKE”. NOTE: CHOKE Do not use “CHOKE” when the engine is warm or the air temperature is high. Move the throttle to “LO” instead. HROTTLE LEVER 2. Turn the fuel valve “ON”.
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3. Place your foot on the “STEP” of the mower hous- ing. 4. Pull the starter rope lightly until you feel compres- sion, then pull briskly. NOTE: Do not allow the rope to snap back; return it by hand. 5. After the engine warms up, move the throttle lever to “HI”. Squeeze the ROTO-STOP to start the blade. SDA and SDAW TYPES: Engage the drive clutch/ ROTO-STOP. Mower will move forward. NOTE: The throttle lever may be moved anywhere between “HI” and “LO” to adjust engine speed during op
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Flooded Engine If the engine won’t start after several pulls on the starter rope the engine is probably flooded. To clear a flooded engine: 1. Move the throttle lever to “STOP” and turn off the fuel valve. 2. Remove and dry the spark plug. When re-installing the plug, thread it in by hand until it seats. Then tighten it an additional l/8- l/4 turn with the spark plug wrench to compress the washer. 3. Move the throttle to “HI”, turn on the fuel valve and repeat steps 3-5 under “Startin
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Cutting Height Adjustment Six settings are available: S/8”, l”, l-1/2”,2”,2-1/2”,3”. To change blade height: 1. Stop the engine. 2. Push the adjusting lever t&ward the wheel and move it up or down to raise or lower the blade height. 3. Release the lever in the appropriate notch. 4. Adjust the other three wheels. Make sure all four wheels are at the same level. - * Be careful not to touch the muffler when adjust- lJ-===-F -w ing the right front wheel height. ADJUSTING LEVER The muf
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Grass Bag The bag is subject to wear under normal usage; fre- quently check for fraying and tears. Replace deterio- rated bags only with Honda replacement bags or equivalent. When the bag needs cleaning, wash it with water and make sure it is dry before using it. Clogged mesh will result in poor grass chuting and a wet bag will clog quickly. Removale q Remove the grass bag grip from handle pipe. a Push the door latch down. q Pull the grass bag rear ward while pushing the door latch d
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TRANSPORTING/STORAGE Preparation for Storage The following steps should be taken to protect the Transporting mower whenever it will be stored for longer than 30 Turn the fuel valve OFF when transporting the days. mower. 1. Drain the fuel tank and carburetor into an ap- proved gasoline container: A. Remove the fuel tube and turn the fuel valve ON to empty the fuel tank. * To avoid fuel and oil spillage do not tilt the unit; spilled fuel may ignite. 18
