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Toro LAWN-BOY 20041, Manual

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Toro LAWN-BOY 20041 Manual Download Page 8

Summary of Contents for LAWN-BOY 20041

Page 1: ...MANUAL...

Page 2: ...your Distributor Service Manager or us directly at the following address The Toro Company Consumer Service Department 8111 Lyndale Avenue South Bloomington MN 55420 1196 The Toro Company reserves the...

Page 3: ...Blade 3 3 Checking and Adjusting the Blade Level Overview 4 1 Walk Behind Mower Overview 4 1 Riding Mower Overview 4 2 Checking Blade Level All Mowers 4 2 Preparing the Workspace 4 2 Measuring Blade L...

Page 4: ...el All Cutting Units 4 10 Adjusting Front to Rear Pitch 4 11 32 inch 81 3cm Cutting Unit 4 11 38 inch 96 5cm Cutting Unit 4 12 44 inch 111 7cm Cutting Unit 4 13 Adjusting Blade Tracking 4 14 32 inch 8...

Page 5: ...Quality of Cut Problems and Possible Solutions 5 1 Blowout 5 1 Clumping 5 1 Clogged Chute Bagging or Side Discharging Only 5 2 Dribbling 5 2 Ragged Cut 5 2 Scalping 5 2 Stair Step or Sawtooth Cut 5 2...

Page 6: ...This page intentionally left blank iv Service Dealer s Guide to Great Quality of Cut...

Page 7: ...ove Quafity of Cut This section describes kits designed to address specific quality of cut problems on certain Toro and Lawn Boy brand rotary mowers Appendices This section contains a glossary of qual...

Page 8: ...This page intentionally left blank 1 2 Service Dealer s Guide to Great Quality of Cut...

Page 9: ...ating the mower Initial customer education is critical in preventing this situation If this situation arises after the customer has taken delivery of the mower a visit to the customer s lawn for demon...

Page 10: ...ify the machine s safety features and explain how they work and how to use them Remind the operator that safety instructions are in the operator s manual Demonstrate for the operator the sound of the...

Page 11: ...ies with the type of grass and the season In the spring and fall when temperatures are moderate and rainfall is higher height of cut can usually be decreased In the summer when the temperature increas...

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Page 13: ...isconnect the wire from the spark plug 3 Walk behind mowers Drain the fuel and oil from the engine Tip the mower on its side air filter up Riding mowers Remove the mower attachment or raise and block...

Page 14: ...gure 6 A B 2 I m_4783 Figure 6 sharpen TIF Sharpen at this angle 2 Maintain the original only radius here Balancing the Blade Check the balance of the blade by placing the center hole of the blade ove...

Page 15: ...Torque Guide for Lawn Boy Toro and Toro Wheel Horse Mowers built in 2002 Lawn Boy 21 inch walk behind mowers Toro 21 inch and 22 inch walk behind mowers with split washer on blade bolt Toro 21 inch an...

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Page 17: ...Mowers Checking and Adjusting Blade Tracking Walk Behind Mowers Adjusting Blade Level Walk Behind Mowers Models with Height of Cut Lever on Each Wheel Models with Single Height of Cut Adjustment Leve...

Page 18: ...a tolerance of less than 3 16 inch 5mm Figure 13 A small dip in a concrete floor may cause you hours of work trying to find a problem that isn t there Riding Mower Overview Each series of riding mower...

Page 19: ...in your measurements Each blade must be measured at the 12 3 6 and 9 o clock positions Figure 14 and Figure 15 If the desired height of cut is known make your measurements at this setting If this is n...

Page 20: ...an generally be checked visually Use one blade tip turning it one rotation It should stay close to the same level all the way around a minimum of approximately 1 8 inch 3 1mm above the bottom edge Fig...

Page 21: ...this notch is molded in the deck Figure 19 On steel decks a steel height of cut plate serves this purpose Figure 20 Figure 19 0185 12 TIF Figure 20 2768 0011 TIF Slipping Heiqht of Cut Adjuster If the...

Page 22: ...o elongate the pivot bolt holes upward Figure 23 Adjustinq Side to Side Level If the blade is not level within 1 8 inch 3 1mm side to side the engine will need to be shimmed Loosen the engine mounting...

Page 23: ...and replacing the bent axle An alternate fix would be to shim the affected axle Turn the machine over The front axle is attached to the mower with a bracket on each side In this case go to the side wh...

Page 24: ...install through the housing shim and spindle Note that the blade tip will move more than the thickness of the shim Figure 29 1222 01 TIF Adjusting Side to Side Level If the mower is more than 1 8 inch...

Page 25: ...Rider has been offered with three cutting units A 32 inch 81 3cm single blade a 38 inch 96 5cm twin blade and a 44 inch 111 7cm three blade mowing deck Figure 34 Side to side adjustment procedures are...

Page 26: ...side to side 3 Measure here 2 Outside cutting edges If there is more than a 3 16 inch 4 5mm difference side to side adjustment is necessary Remove the hairpin cotter and washer from the leveling brac...

Page 27: ...ot change Adjust the front to rear pitch by rotating the special pitch adjusting nuts on both sides of the mower pivot mount Figure 41 Figure 39 XL32pit1 TIF 1 Measure front center 2 Measure rear cent...

Page 28: ...front to rear pitch is within specification recheck the side to side adjustment see Adjusting Side to Side Level All Cutting Units on page 4 10 Once the front to rear pitch and side to side level are...

Page 29: ...ation continue by checking and adjusting the blade tracking see Adjusting Blade Tracking on page 4 14 44 inch 111 7cm Cuttin q Unit 1 Check side to side level and adjust as needed see Adjusting Side t...

Page 30: ...e front to rear pitch and side to side level are within specification continue by checking and adjusting the blade tracking as follows Adjusting Blade Tracking The 32 inch 81 3cm cutting unit requires...

Page 31: ...two blades at a time on three blade mowers then run a string across the cutting tips of the blades The string should be straight If it is not the blade or spindle could be bent If the saddles or blad...

Page 32: ...two ways One for higher heights of cut where the mower is suspended from the chassis and the other for lower positions where the level and height of cut are determined by the rear gage wheels In the 3...

Page 33: ...h 106 6 121 9 132 0cm Mowers The side to level and front to rear pitch adjustments for all these models are the same However as you raise the cutting height the point at which the rear gage wheels com...

Page 34: ...106 6cm mower comes with one adjustable link standard although someone could have installed a second one The 48 inch and 52 inch 121 9cm and 132 0cm models have two adjustable links Figure 57 3 2 m 3...

Page 35: ...do not line up and the spindles are not bent a shim between the spindle housing and the mower housing may help align them Loosen the spindle to mower housing bolts and insert shim washers until the s...

Page 36: ...l through the spindle housing washer and mower housing to secure the shim Figure 64 0757 01 2 TIF Adjusting Side to Side Level All mower attachments for the 5xi series tractors should be level side to...

Page 37: ...move the key Loosen the cam nuts and equally rotate the left hand and right hand cams down to raise the front of the mower or up to lower the front of the mower Figure 68 Tighten the nuts Repeat as ne...

Page 38: ...check this with the blades attached is to align the blades two blades at a time on three blade mowers then run a string across the cutting tips of the blades The string should be straight If it is no...

Page 39: ...e adjust if necessary Adjusting Blade Tracking On mowers with multiple blades not only do the blades need to be a minimum of 1 8 inch up from the bottom edge of the housing but they must also line up...

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Page 41: ...full width cut 5 Check for grass build up in cutting chamber 6 Raise the height of cut and cut the lawn Come back a day or two later and re cut to the preferred height 7 Check for a sharp blade Sharpe...

Page 42: ...ground Centrifugal force will apply in direct relation to the speed Stair Step or Sawtooth Cut Check mower for level side to side On multi blade mowers verify all blades are at the same height Stragg...

Page 43: ...cks what is described as a streak can result from two of the blades not being aligned and therefore cutting at two different heights this is actually a stair step cut On multiple blade mowers the blad...

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Page 45: ...itting 2 Coupling Figure 76 3 Hose washout TIF If the underside of the deck is not cleaned after mowing the accumulated grass can dry out and bond to the deck Once this happens the hard material must...

Page 46: ...he mower deck level when a vac bagger attachment is used Standard on 1997 and later vac baggers Baffle Kits Baffle kits are available for some mowers These are designed to help reduce the tendency to...

Page 47: ...hing mowers The accelerator creates air turbulence and helps evacuate clippings from the cutting chamber The accelerator also provides support to the middle of the blade antisclp TIF Bagging chute the...

Page 48: ...bagging chute on a mower Chute plugging when grass clippings bunch up and clog the discharge chute or the bagging chute Clip rate the number of cutting blade passes over a given distance the mower tra...

Page 49: ...ground to the cutting edge of the mower blade these should be the same Leveling the process of adjusting the mowing deck so that the blade is correctly positioned relative to the ground See the instr...

Page 50: ...Recycler Toro s patented mulching system Rough terrain terrain uneven enough to affect the quality of cut by causing the mower to bounce excessively terrain TIF Scalping when the blade cuts the grass...

Page 51: ...hat is so long that it makes it hard to follow the 1 3 rule Generally this is grass 6 or more inches tall Thatch the tough fibrous part of the plant similar to a root that is above ground but growing...

Page 52: ...the touch Rain watering or morning dew can be the source of the moisture Windrow poor disbursement of clippings resulting in a nearly continuous line of cut grass clippings on the grass This may also...

Page 53: ...th one smooth side is adequate for most mowers MVC 732X jpg An alternate height of cut tool can be created in the shop A wooden dowel that can be placed perpendicular to the floor can be used The dowe...

Page 54: ...n be hinged in the middle This also allows storage in a smaller area To use the board cut a path with the mower being checked Place the board across the path and brush the grass with your hand Now sta...

Page 55: ...Bagging system clean air exhausts open impeller drive in working order I Mower level front to rear Most tractors 1 8 inch low in front 32 inch mowers 20 inch and 21 inch walk behind mowers approximat...

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Page 57: ...QUALITY OF CUT MANUAL Form No 492 4763...

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