Bad Boy MZ 42" Owner'S, Service & Parts Manual Download Page 3

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This manual applies to the following equipment:

Bad Boy MZ Series

MZ 42˝ 540cc Briggs
MZ 42˝ KT725 Kohler

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COMMONLY USED ITEMS AND PART NUMBERS

42" MZ Blade

Hi-Lift Fusion 038-4221-00

Gator Blade 038-4222-00

42" MZ Deck Belt

041-0120-00

MZ Pump Belt

041-6400-00

Oil Filter

Briggs Engine 540 CC

Kohler Engine

063-8018-00

063-5004-00

Air Filter

Briggs Engine 540 CC

Kohler Engine

063-4026-00

063-5002-00 063-5003-00

(Pre-Cleaner) (Element)

Fuel Filter

Briggs Engine 540 CC

Kohler Engine

063-6000-00

063-5001-00

Spark Plug

015-8000-00

Motor Oil

10W-30 Motor Oil - Bad Boy Synthetic Blend Motor Oil Recommend

Summary of Contents for MZ 42"

Page 1: ...ZERO TURN MOWER OWNER S SERVICE PARTS MANUAL For additional information please see us at www badboymowers com Bad Boy Inc 102 Industrial Drive Batesville Arkansas 72501 2015 11 13 MZ 42MODELS...

Page 2: ...on Section 5 page 10 Troubleshooting and FAQ Section 6 pages 12 Controls Section 7 page 13 Moving Inoperable Mower Section 8 page14 Instrumentation Section 9 page 14 Mower Blade Maintenance Section 10...

Page 3: ...8 4222 00 42 MZ Deck Belt 041 0120 00 MZ Pump Belt 041 6400 00 Oil Filter Briggs Engine 540 CC Kohler Engine 063 8018 00 063 5004 00 Air Filter Briggs Engine 540 CC Kohler Engine 063 4026 00 063 5002...

Page 4: ...eplacement parts are available through your local Bad Boy Mower Dealer Remember to always provide the following information when ordering parts 1 Correct part number 2 Correct serial number All warran...

Page 5: ...nd behind before and while backing 2 9 Never direct discharged material toward anyone Avoid discharging material against a wall or obstruction as material may ricochet back toward the operator Stop th...

Page 6: ...es For example rocks water cliffs and roadways CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children Children are often attracted to the machine and the mowing a...

Page 7: ...ERVICE 2 56 Never operate machine in a closed area where dangerous carbon monoxide fumes can collect 2 57 Keep all nuts and bolts tight to be sure the equipment is in safe working condition Never oper...

Page 8: ...ortant safety precautions Note the operator must be seated properly on the machine during these tests and the engine should have been previously allowed to warm to operating temperature 2 71 With the...

Page 9: ...recently engage the choke 3 6 Make sure nothing is under or around machine 3 7 Place key in ignition and turn 3 8 Once machine is started disengage the choke 3 9 Increase RPM by sliding the throttle...

Page 10: ...e will be stored for more than 30 days 5 4 Always secure machine properly when transporting machine 5 5 Do not load machine on trailer with blades engaged 5 6 Do not use ramps to load the machine 5 7...

Page 11: ...ormed Performed Performed Performed Performed Performed Performed Performed Performed Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date...

Page 12: ...d and make sure air filter is clean a dirty filter makes it more difficult for the engine to draw air Check the integrity of the 25 amp main fuse also check for any bare wires and or bad connections 6...

Page 13: ...MZ Models use the Choke O Matic system In this case the choke and throttle controls are operated by the same lever With the lever pushed full forward this will apply the choke Pulling the lever back...

Page 14: ...to the forward position for normal operation Your Bad Boy Mower Weighs MZ SERIES 585 602 lbs Weights fluctuate with the addition of accessories 8 5 As you can see by the weights of the machines you sh...

Page 15: ...ick gloves when handling blades 10 7 ALWAYS check for blade damage if mower strikes rock branch or other objects that could potentially damage the blade REMEMBER NEVER CHECK BLADE WHILE ENGINE IS ON N...

Page 16: ...fic purpose If you re experiencing less than desired cutting or discharging performance with a 3 1 blade you may want to check into using a 2 1 blade Conversely if you re using a 2 1 blade and want to...

Page 17: ...eason Keep several blades around so you ll always have a sharp one on hand Sharp blades cut the grass cleanly and help mulch clippings into small pieces which break down quickly Don t forget to change...

Page 18: ...Thesebypassleversserveasa neutralformovingthemowerwhiletheengineisnot running Pulltheleversoutandlockthemintoplaceto activatethebypass Whenadjustingthetrackingonthemower thelength of thepushrodscanbe...

Page 19: ...MZpumpbelttensioner Tighteningthetwo3 4 jamnutsontherightsidewill increasethebelt tension The tension should be adjusted so that there is between 50 to 55 lbs of tension on the belt This can be checke...

Page 20: ...er Have towels readily available in order to quickly remove any fuel leakage Always use new hose clamps and ensure the security of the new filter by lightly pulling on each hose Always perform mainten...

Page 21: ...d drill or wrench Then loosen the two on each side and the rear engine plate will swing down for easy access to the spark plug 2 Remove the ignition wire from the spark plug and using a 5 8 deep socke...

Page 22: ...an oil pan ready to capture old oil and properly dispose old oil 2 Clean area around oil filter Place a container under the oil filter to capture any oil and remove filter Wipe off mounting surface an...

Page 23: ...catedonthe filter Have towelsreadilyavailableinordertoquickly removeany fuelleakage Alwaysusenewhose clampsandensure thesecurityofthenewfilterby lightlypullingoneach hose Always perform maintenance ou...

Page 24: ...dusty environments Adhering to these practices will help prevent loss of power and premature engine failure 3 3 Changing the air cleaner 1 Unlock the air cleaner cover and remove to access the air cl...

Page 25: ...r to the plastic shrouds Then loosen the two carriage bolts on the side and the rear engine cover will swing down for easy access to the spark plugs 2 Remove the wire on the spark plug and use a 5 8 s...

Page 26: ...and connected Make sure that wire terminal ends have not been pushed out of the relay block PAGE 26 Thismowerisequippedwithtwoprotectivefuses a 25 ampmainfuse picturedtotheright anda10 amp clutch fuse...

Page 27: ...located underthecontrolpanel Ensurethattheyarecleanand connected Makesurethatwireterminalendshavenot been pushed out of the relay block If you are having issues starting your mower ensure the signal w...

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Page 29: ...ng this step as fingers can easily become caught between the belt and PAGE 29 Torquerearwheellugsto65 75ft lbs Re torque ateveryoil change and check at every mowing Thereisonegreasefittingoneachofthe...

Page 30: ...covers 4 Remove the belt on the left side blade pulley as facing the mower Roll the belt off of the pulley Exercise caution while performing this step as fingers can easily becomecaught between the be...

Page 31: ...t routing sticker 6 Place the pulley covers back onto the deck Leveling the Deck 1 Startonaflatlevel surface 2 Settheair pressureinallfourtires to 12 psi 3 Raisethedeckup andmeasureallfourcorners ofth...

Page 32: ...occur Ifthetensionistoo low thebeltcan jumpoff orsliponthepulleys Thisresultsinreduced cut qualityandearlybeltfailure Spring tension adjustments canbemadebyslidingtheboltshownabove forward or backwar...

Page 33: ...des itmaybeeasiertousea pieceofwoodto keepthebladefromturningso thattheboltcanbeloosened Use a 15 16 socket and impact Drill or a wrench and an extension to gain more leverage You might need to put a...

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Page 52: ...__________________________________________________________ _________________________________________________________________________ ___________________________________________________________________...

Page 53: ...__________________________________________________________ _________________________________________________________________________ ___________________________________________________________________...

Page 54: ...XPRESS WARRANTY ANY WARRANTY THAT MAY BE IMPLIED FROM THIS PURCHASE INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE DURATION OF THIS WARRANTY AND TO THE EXTENT...

Page 55: ...STRATION Ensure selling dealership has registered mower within 30 days of purchase to validate warranty Please record your serial number date of purchase and dealership information for your records Se...

Page 56: ...MZ MODEL For additional information please see us at www badboymowers com Bad Boy Inc 102 Industrial Drive Batesville Arkansas 72501...

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