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Operator ’s Manual
21in Heavy-Duty W alk-Behind Rotary Mower
Code 455E
Serial No. 310000001
Manual Part No. 3364-824 Rev A
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Contents Introduction Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 T his r otar y-blade, w alk-behind la wn mo w er is General La wn Mo w er Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 intended to be used by r
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Pre paring the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Safety General Infor mation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 R emo ving the La wn Mo w er from Storag e . . . . . . . . . . . . 28 Impr oper l y using or maintaining this mo w er can T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 r esult in injur y .
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• If petrol is spilled, do not attempt to star t the engine – Do not mo w ex cessi v ely stee p slopes . but mo v e the mo w er a w a y from the area of spillag e – Ex ercise extreme caution when on slopes . and a v oid creating any source of ignition until petrol – Mo w across the face of slopes , nev er up and v apors ha v e dissipated. do wn and ex ercise extreme caution when • R e place all fuel tank and container caps securely . c hanging direction on slopes . – Alw a ys be sure of y our fo
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• Allo w the engine to cool before storing in any enclosure . • T o reduce the fire hazard, k ee p the engine , silencer , batter y compar tment and petrol storag e are free of g rass , lea v es , or ex cessi v e g rease . • Chec k g rass bag components and the disc harg e guard frequently and re place with man ufacturer’ s recommended par ts , when necessar y . • R e place w or n or damag ed par ts for safety . • R e place faulty silencers . • If the fuel tank has to be drained, do this out-doo
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Safety and Instructional Decals Safety decals and instr uctions are easily visible to the operator and are located near any area of potential dang er . R e place any decal that is damag ed or lost. 1 10-21 15 1. Read the Operator ’ s Manual. 3. T o engage the traction control, lift the lower bail upward. 2. T o engage the blade, first move the safety latch forward and 4. T o disengage the blade, release the upper bail. then pull the upper bail to the rear . 1 10-4978 1. W arning—read the Operato
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Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty . Use Handle 1 Bolt (5/16 x 7/8 inch) 2 Bolt (5/16 x 1-1/2 inches) 2 Install the handle. 1 W asher 4 Locknut (5/16 inch) 4 Cable tie 3 Self-tapping screw 2 Install the fuel tank and fuel line. 2 Fuel tank 1 – No parts required Fill the crankcase with oil. 3 Note: Deter mine the left and right sides of the mac hine from the nor mal operating position. 1 Installing the Handle Parts needed fo
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2 Installing the Fuel T ank and the Fuel Line Parts needed for this procedure: 2 Self-tapping screw 1 Fuel tank Procedure Figure 5 1. Slide the end of the fuel line onto the elbo w fitting 1. Plastic clip (2) ( Figure 4 ). 4. Secure the bottom of the fuel tank to the fuel tank 1 brac k et b y installing the self-tapping screws from the bottom. T orque the scr ews to 40 to 50 in-lb (4.5 to 5.6 N-m). Do not o v er tighten the scr ews. 3 2 Filling the Crankcase with Oil 3 4 No Parts Required G00252
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T he throttle settings are sho wn in Figure 8 . Product Overview Figure 8 1. Choke 3. Slow 2. Fast 4. Stop Specifications Figure 6 Model W eight Length W idth Height 1. Handle 8. Oil fill/dipstick (not shown) 455E 124 lb 59 in 23 in 38 in 2. Blade control bar 9. Air filter (56 kg) (149 cm) (57 cm) (97 cm) 3. Control bar lock 10. Cutting height lever 4. Ground speed control 1 1. Spark plug lever 5. T raction control bar 12. Oil filter 6. Fuel tank 13. Grass bag 7. Starter handle 14. Throttle cont
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Note: W hen the crankcase is empty , pour about 3/4 Operation of the crankcase capacity of oil in the crankcase , then follo w the procedure in this section. Note: Deter mine the left and right sides of the mac hine from the nor mal operating position. 1. Mo v e the la wn mo w er to a lev el surface . 2. Clean around the dipstic k (Figure 10 ). Eac h time before y ou mo w , mak e sure that the self-propel dri v e and the blade control bar operate 3. R emo v e the dipstic k b y rotating the cap p
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Filling the Fuel T ank F or best results , use clean, fresh, lead-free petrol with In cer tain conditions, petr ol is extr emel y an octane rating of 87 or higher . T o ensure freshness , flamma ble and highl y explosi v e. A fir e or purc hase only the quantity of petrol that y ou expect to explosion fr om petr ol can bur n y ou and other s use in 30 da ys . Using unleaded petrol results in few er and can dama ge pr oper ty . combustion de posits and long er engine life . Y ou ma y • Fill the f
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Important: Do not fill the tank mor e than 1/4 Operating the Blade inch (6 mm) fr om the top of the tank because the petr ol must ha v e r oom to expand. Engaging the Blade 4. Install the fuel tank cap and wipe up any spilled W hen y ou star t y our engine , the blade does not tur n. petrol. Y ou m ust eng ag e the blade to mo w . 1. Push the control bar loc k forw ard (Figure 14 ). Starting the Engine 1. Connect the wire to the spark plug ( Figure 12 ). Figure 12 1. Spark-plug wire 2. Open the
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Disengaging the Blade Disengaging the T raction Drive R elease the blade control bar . R elease the traction control bar . Important: W hen y ou r elease the blade contr ol bar , the blade should stop within 3 seconds. If it Checking the Blade Brake does not stop pr oper l y , stop using y our mo w er Clutch immediatel y and contact an Authoriz ed Ser vice Dealer . Chec k the blade control bar before eac h use to ensure that the blade brak e clutc h system is operating properly . Operating the T
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Adjusting the cutting height lev er s could bring y our hands into contact with a mo ving blade and r esult in serious injur y . • Stop the engine and w ait f or all mo v ement to stop bef or e adjusting the cutting height. • Do not put y our finger s under the housing when adjusting the cutting height. 1. Pull the wheel height adjustment lev er to w ard the wheel ( Figure 18 ) and mo v e it to the desired setting . Figure 19 1. Rear door 3. Install the bag on the bag mounting posts (Figure 20 )
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Mowing with the Grass Bag Operating a mo w er with its engine r unning at a speed g r eater than the f actor y setting can A w or n g rass ba g could allo w small stones cause the mo w er to thr o w a par t of the blade or and other similar de bris to be thr o wn in the engine into the operator’ s or bystander’ s ar ea operator’ s or bystander’ s dir ection and r esult in and r esult in serious per sonal injur y or death. serious per sonal injur y or death to the operator – Do not change the eng
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• F or light leaf co v erag e , set all the wheels at the same cutting height setting . • If there are more than 5 inc hes (12.7 cm) of lea v es on the la wn, set the front cutting height 1 or 2 notc hes higher than the rear cutting height. T his mak es it easier to feed the lea v es under the mo w er housing . • Slo w do wn y our mo wing speed if the mo w er does not cut the lea v es finely enough. • If y ou mo w o v er oak lea v es , y ou can add lime to the g rass in the spring to reduce the
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Maintenance Note: Deter mine the left and right sides of the mac hine from the nor mal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 8 hours • Check the engine oil level. Before each use or daily • Inspect the mower blades for wear or damage. • Clean under the mower housing. • Clean the foam pre-cleaner (more frequently in dusty conditions). Every 25 hours • Change the engine oil (more often in
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Lubricating the Gear Case Engine Maintenance Ser vice Inter v al : Ev er y 100 hours Servicing the Air Filter After ev er y 100 operating hours , g rease the g ear case . Ser vice Inter v al : Ev er y 25 hours —Clean the foam 1. R emo v e the g rass bag . pre-cleaner (more frequently in dusty 2. Install a g rease gun onto the fitting through the belt conditions). co v er opening ( Figure 22 ). Ev er y 300 hours —R e place the paper air filter (more frequently in dusty conditions). Important: Do
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6. R emo v e the foam pre-cleaner and w ash it with a 10. Fill the crankcase to the Full line on the dipstic k with mild deterg ent and w ater , then blot it dr y . fresh oil. R efer to the Filling the Crankcase with Oil. 7. Saturate the pre-cleaner with oil, then squeeze it (do 11. Wipe up any spilled oil. not twist) to remo v e the ex cess oil. 8. Install the foam pre-cleaner . Changing the Oil Filter 9. Install the new paper air filter . Ser vice Inter v al : Ev er y 100 hours 10. Install the
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Figure 27 1. Center electrode insulator Figure 26 2. Side electrode 3. Air gap (not to scale) 1. Gasket 6. Install the spark plug and the g ask et seal. 8. Install the new filter and hand tighten it 2/3 tur n only . 7. T or que the plug to 17 ft-lb (23 N-m). 9. Fill the crankcase to the Full line on the dipstic k with 8. Connect the wire to the spark plug . fresh oil R efer to Filling the Crankcase with Oil. 10. Connect the wire to the spark plug . 11. R un the engine for about 3 min utes . 12.
