MTD 450 manual

Safety • Assembl y • Operation • Tips & T echniques • Maintenance • T roubleshooting • P ar ts Lists • Warranty Warning : This un it is equi pped wi th an internal c ombu stion en gine and s hould not be u sed on or near any unim proved forest-c overed, brush- covered or grass -c overed land unles s the eng ine’ s exhaus t syste[...]

2 Finding and Recor ding Model Number Model Number Serial Number Please do NO T return the unit to the retailer from whic h it was purc hased, without fir st contacting Customer Suppor t. T ab le of Contents BE FORE Y OU BE GIN AS SEMBL ING Y OUR NEW E QUIP MENT , please locate the m odel plat e on the equipmen t and copy th e info rmation t o the[...]

3 1 Safety Labels W ARNING Th is sym bol po int s ou t i mporta nt s af ety in st ruc tio ns wh ich, i f no t f oll ow ed , c ou ld en dan ger th e p erso nal sa fe ty a nd /or p rope r ty of y our se lf an d o the rs . Re ad and f ollo w a ll in st ruc tio ns in th is ma nu al be fo re at - t emp tin g t o op er at e th is ma chi ne . F ai lur e t[...]

4 2 Safe Operation Practices W ARNI NG : Engine Exha ust, some of its constituents, and certain vehicle components contain or emi t chemicals known t o State of Calif ornia to ca use cancer and birth defe cts or other reproductive harm. W ARNING This symbo l point s out impo rt ant saf et y in- struc tion s which, if n ot followed , could e ndang e[...]

5 2 Safe Operation Practices W ARNING This symbo l point s out impo rt ant saf et y in- struc tion s which, if n ot followed , could e ndang er the p ers onal sa fet y and / or prop er t y of yourse lf and othe rs. R ead an d follow all instru ctio ns in this m anual befo re at tem pting to op er- ate thi s machin e. Failure to compl y with th ese [...]

6 NO TE: Refe rences t o righ t o r le ft side of t he ti ller are det ermine d fr om be hind the u nit i n the oper ating positi on. T o Remove Unit Fr om Car ton • Remove staples, b reak glue on to p flaps, or c ut tape at car ton end an d peel alo ng top flap to o pen car ton. • Remove loose par ts in clud ed with u nit ( i.e ., operator ’[...]

7 3 Assembling Y our Tiller W ARNING Do not put y our fingers under the belt cov er . Maximum tire pressure under any circu mstances is 30 p.s.i. Equal tire pressure shoul d be maintained on both tires. Figur e 3 -3 Figure 3 - 4 Figure 3 - 5 Attaching Contr ol Rod • Make sure the han dle ass embly is i n the hig hest posit ion. Refer to Know Y ou[...]

8 Gear Selection Handle The gear se lect ion hand le is lo cated in the c enter of the han dle on th e tiller . It is use d to selec t NEUTRAL , REVERSE, or one of the FORWARD mode. Pull or push the han dle so that t he indi cator on top of s hif t cover points to t he operat ing mod e desired. S ee Figure 4 - 1 . Neutral T ransmis sion is in n eut[...]

9 4 Kno w Y our Tiller W ARNING Clutch Contr ol The clu tch co ntrol is lo cated beneat h the hand le. Squeezing t he clutc h contro l against t he handl e engages the whee l and tine d rive mech anisms. NOT E : Never engage c lutc h lever while shif ting. Handle Adjustment Loc k The hand le may be adjusted to t he height d esired. Loosen t he hand[...]

10 Setting The Depth Tilling d epth is c ontroll ed by the de pth stake whic h can be adjusted to fi ve different set tin gs. Adjust t he sid e shield s as you adjust t he depth s take. W ARN IN G : B e cer t ain spa rk plug wir e is disco nnec ted an d ground ed ag ainst t he engin e when p er formin g any adjust ment s. • When usi ng the til le[...]

11 T o adjus t the depth stak e, remo ve the clevis pin and hai rpin clip . Mo ve the depth stak e to the de sired se tting and secur e wi th the cle vis p in an d ha irpin clip . See Fig ure 5- 1 . T o adjust the s ide shi elds, rem ove the wing nuts. M ove the sid e shiel d to the des ired posi tion and re place t he wing nut s. Tighten sec urely[...]

12 Cleaning Tine Area Clean the u nders ide of the t ine shie ld af ter each use. The dir t washe s off t he tines ea sier if rin sed of f im- mediatel y instead of after it d ries. Always towel dr y the tiller af ter wards and a pply a li ght coat of oil or s ilico ne to prevent rusting or water damag e. IM PORT AN T: Nev er use a “ pressure was[...]

13 8 • Remove the belt keeper b racket located b ehind th e engine p ulley by removing t wo hex bolts an d lock washers. Se e Figure 8 - 1 . • Remove belt and reas sembl e new belt. Foll ow instru cti ons in reverse order. NOTE : Upo n reassem bly , ma ke cert ain the be lt is routed over the idl er pulley and insi de of bel t keepers by engine[...]

14 52 13 29 35 16 53 35 16 46 31 28 12 45 17 17 44 36 6 3 33 15 27 5 36 43 4 20 40 21 1 34 18 10 42 23 7 22 36 8 47 32 37 50 25 10 9 24 36 51 34 45 26 41 36 35 16 29 19 49 44 33 14 35 16 2 14 28 35 16 14 11 48 14[...]

15 9 Illustrated P ar ts List Model 450 Series T o ord er replacement parts , contact 1 ( 8 00 ) 80 0 -73 1 0 or visit ww w.mt dproducts.com Ref . P ar t No . P ar t Description 1. 611-04074 Wheel Shaft Ass’y 33T 2. 611-0021 Tine Shaft Ass’y: 18T 3. 611-0128 Jac k Shaft Ass’y 4. 611-0129 Input Shaft Ass’y 5. 617-0058 Re v . Idler Gear Ass?[...]

16 20 18 8 23 10 1 60 61 37 62 25 34 27 64 30 39 63 26 32 36 33 31 29 66 26 41 30 30 24 28 35 40 26 49 44 50 59 51 65 53 55 56 54 57 58 44 46 42 4 9 11 16 6 3 14 7 19 5 17 2 60 61 12 15 12 38 21 22 67 70 70 68 69 27 26 71[...]

17 9 Illustrated P ar ts List Model 450 Series T o ord er replacement parts , contact 1 ( 8 00 ) 80 0 -73 1 0 or visit ww w.mt dproducts.com Ref . P ar t No . P ar t Description 1. 747-1152 Shift Rod 2. 649-0041 Upper Handle Ass’y 3. 649-0034 Lower Handle Ass’y 4. 710-3005 Hex Scre w 3/8-16 x 1.25 5. 710-3056 Hex Scre w 5/16-18 x 3.25 6. 711-04[...]

18 33 35 38 37 34 24 7 41 3 16 15 13 21 25 14 1 11 2 4 8 6 27 5 39 20 31 32 29 Wheel shaft shown for reference on ly 36 18 12 26 43 42 17 28 40 9[...]

19 9 Illustrated P ar ts List Model 450 Series T o ord er replacement parts , contact 1 ( 8 00 ) 80 0 -73 1 0 or visit ww w.mt dproducts.com Ref . P ar t No . P ar t Description 1. 686-0111 Belt Cov er Brac ket Ass’y 2. 710-0237 Hex Bolt 5/16-24 x .62” 3. 710-0412 Hex Bolt 1/4-28 x .75” 4. 710-0520 Hex W asher Screw 3/8-16 x 1.50” 5. 710-10[...]

20 For r epa irs bey ond the minor adjust- ments liste d here, contact an autho rized service deale r . 10 T roub le Shooting Cause Pr oblem Remedy En gine fails t o star t 1 . S park plug w ire disc onnec ted. 2. Fuel tank empt y or stal e fuel. 3. Throt tle co ntrol lever not in correc t star ting p ositi on ( if equip ped ) 4. Choke not in ON po[...]

21 F or parts and /o r acce ssories pleas e call 1 - 8 0 0 - 80 0 -7 3 10, or 1 - 33 0 -2 20 - 46 83 . ww w . mt d pr o d u c t s . c om NOTE S : Use this pag e to make notes and write down important information. NO TE: Spe cifi cation s are subje ct to cha nge wit hout notifi cation or o blig ation. Images my not refle ct your exact mode l and are[...]

22 F or parts and /o r acce ssories pleas e call 1 - 8 0 0 - 80 0 -7 3 10, or 1 - 33 0 -2 20 - 46 83 . ww w . mt d pr o d u c t s . c om NOTE S : Use this pag e to make notes and write down important information. NO TE: Spe cifi cation s are subje ct to cha nge wit hout notifi cation or o blig ation. Images my not refle ct your exact mode l and are[...]

23 F or parts and /o r acce ssories pleas e call 1 - 8 0 0 - 80 0 -7 3 10, or 1 - 33 0 -2 20 - 46 83 . ww w . mt d pr o d u c t s . c om NOTE S : Use this pag e to make notes and write down important information. NO TE: Spe cifi cation s are subje ct to cha nge wit hout notifi cation or o blig ation. Images my not refle ct your exact mode l and are[...]

The limi ted warranty s et fort h below is gi ven by MTD LLC with respec t to new merchan dise purc hased an d used in t he United St ates, its posse ssion s and territor ies. “ MTD” warrant s this pro duc t against d efects in m aterial and work man- ship for a per iod of t wo ( 2) years c ommen cing on t he date of orig inal purcha se and wil[...]