Yard Machines 390 manuale d’uso

IMPOR T ANT : Read saf ety rules and instructions ca refull y befo re operati ng equipment. MTD PR ODUCTS INC . P . O . BO X 36 8022 CLEVELAN D , OHIO 4413 6-9722 Fr ont Tine Tillers Models 340 Thru 39 0 PRINTED IN U .S.A. Warning: T h is unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest- co[...]

2 TABLE OF CONTENTS Cont ent Page Important Safe O peratio n Prac tices ................. ............. ............. ............. ........... 3, 4 Assemb ling Yo ur Tiller ........... ............. ............. ............. ............. ................... ..... 5 Know Your Ti ller ........ .................... ............. ............. ....[...]

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES This Symbol Points Out Impo rtant Safet y Instruc tions Which , If Not Followe d, Could Enda nger The Personal Safety And/ or Proper ty Of Yours elf And Oth ers. Read An d Follow A ll Instru ctions In Th is Manua l Before At temptin g To Oper ate Your Til ler. Fai lure To Compl y With Th ese Ins truct[...]

4 CHILD REN • Tragic accidents can occu r if the ope rator is not alert to the pr esence of smal l chil dren. Chil dren are often attrac ted to the till ing activ ity. Never assu me that child ren will rema in where yo u last saw them . • Keep child ren out of the wor k area and under the watchful eye of a r esponsi ble adu lt other than th e o[...]

5 SECTION 2: ASSEMBLING YOUR TILLER NOTE: This operator’ s guide cove rs three different model til lers. Mo dels 340 th ru 345 h ave forward tine drive only. Mo del 3 90 has b oth for ward an d reve rse t ine drive. Fol low only the instru ction s which per tain to yo ur model till er. See the model pl ate on yo ur tiller for the corre ct model n[...]

6 Figure 3 Attaching Clu tch Control Cable(s) Forward Cable Attach the en d of the forw ard cable to the brack et undernea th the han dle asse mbly as follows. ( On model 390, the forwa rd clu tch ca ble is the ca ble whic h is attached c loser to the rear of the til ler). • Loosen th e hex nut on the thr eaded rod ne ar the end of the cabl e, an[...]

7 Final Clutch Adjustment To chec k the clu tch cable adju stmen t, proceed as follows. • Discon nect the spa rk plug wire an d move i t away from the spa rk plug to preven t acciden tal starti ng. • Engage an d relea se the tine eng agemen t handle , then t he reve rse ti ne engage ment l ever ( model 3 90 only). If an exce ssive noise is hear[...]

8 Choke Lever (Model 340/390) The choke le ver i s located ab ove the th rottle con trol. It is used to en rich the fue l mixtur e when starti ng a cold engine . Se e Figu re 8. Primer Button (Mo del 345) The prime r but ton is lo cated behind the ai r clea ner. It is used to enri ch the fuel mix ture in the carbur etor when star ting a c old eng i[...]

9 • Pull rope wi th a rapid, co ntinuo us, full ar m stroke . Keep a firm grip on starte r handle. Let rope rewin d slowly. Do n ot le t start er h andle snap b ack aga inst start er. • Repeat pre ceding in structi ons 5 and 6 until engine starts. When engi ne starts , move chok e leve r on engine halfway between CHOKE an d RUN. • Move thrott[...]

10 Controlling Speed And Tilling Dep th • Wheel Yoke Ad justment: Plac e wheel yok e so that the whe els are forwar d (near est poin t between whee ls and t ines) for shal low tilling, cultivati ng and transpo rt. The forw ard sp eed w ill inc rease. Turn yoke a round (farth est poi nt bet ween wh eels an d tines) fo r deep till ing. Forw ard spe[...]

11 Throttle Control: The throttle contr ol lever adj usts the engine s peed and stop s the engi ne. Wit h the throttle cont rol leve r push ed comp letely for ward , the car buretor is in START pos ition. Pull ing the throttle contr ol back sligh tly adjus ts the engi ne spee d to FAST. Pu lling the throttl e back furt her reduces the engin e speed[...]

12 SECTION 5: MAKING ADJUSTMENTS WARNING: Disconn ect the spark plug wire and ground ag ainst the engine be fore performing a ny adjust ments, rep airs, or maintenance. Tine W idth Adjustme nt The tilling width of the un it is 22 i nches. See Figure 15. Tilling wi dth can be i ncreas ed to 24 in ches by rem ovin g the clevi s pins and ha irpin clip[...]

13 SECTION 6: MAINTAINING YOUR TILLER Lubrication WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any k ind of work on tiller. Pivo t Po ints - R emove th e belt cov er and lub ricate al l moving pa rts and piv ot points at le ast once a se ason using SA E 30 engi ne oil. Chain Drive- The chain ca se[...]

14 Fig ure 18 • Reasse mble the new belt, follow ing instr uctions in rever se orde r. Ma ke cer tain the rev erse d rive belt is assembl ed with the wide si de of th e belt a gainst the t r a n s m i s s i o n a n d e n g i n e p u l l e y s . Be certai n to adjus t the clutc h contr ol as inst ructe d in the fin al clut ch adju stmen t secti on[...]

15 SECTION 8: TROUBLE SHOOTING GUIDE T rouble P ossible Caus e(s) Correctiv e Action Engine f ails to start Fuel tank empty , or stal e fuel. Throttle co ntrol le ver n ot in correct starting position (i f so equipped). Block ed fuel lin e. Dir ty aircl eaner . Chok e not in ON position. Spark plug w ire disco nnected. F a ult y s par k plug . Engi[...]

16 Model 340 Thru 345 1 2 3 4 2 5 6 8 9 10 7 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 25 32 25 38 39 40 41 42 43 44 48 47 45 50 49 46 Stand ard Briggs & Stratton Tecums eh E ngine s[...]

17 Model 340 Thru 345 Ref. No. P art N o. P art Descript ion 1. 712-0442 Acorn Loc k Nut 1 /4-20 2. 736-3020 Flat W asher .271 ” I .D . x .630 ” O. D. 3. 731-15 99 Handle Cove r 4. 712-0287 He x Nut 1/4-20 G r .2 5. 720-0274 Grip-Han dle 6. 686-0083 Clutc h Handl e Assembl y 7. 720-0269 Grip-Clu tch 8. 710-0641 He x Bolt 1/4- 20 x 2 .25 ” Lg [...]

18 Model 340 Thru 345 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 19 20 21 22 23 24 25 27 26 28 29 30 31 32 33 34 35 37 36 38 39 40 42 41[...]

19 Model 340 Thru 345 Ref. No. P art No. P art Descr iption 1. 712-0392 He x L-Stop nu t 1/4-28 2. 736-3020 Flat W ash. .266 ” I. D . x .625 ” O. D. 3. 710-0599 He x W asher Screw 1/4-2 0 x .5 ” 4. 711-0920 Belt Cov er Bolt 5. 712-3004 A He x Flange T op L-Nut 5 /16-18 6. 710-0723 He x Hd. Scr . 3/8-16 x 1.2 5 ” Lg. 7. 756-0313 Fl-Idler 2.1[...]

20 Model 390 1 2 3 4 5 6 2 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 30 37 30 43 44 45 46 47 48 49 50 51 52 53 54 55 Standard Bri ggs & Stratton Tecums eh Engines[...]

21 Model 390 REF . NO . PA R T N O . D E S C R I P T I O N 1 712-0 442 Acorn Loc k Nut 1/4-20 2 736-3 020 Flat W asher .271 ” I.D . x .630 ” O.D. 3 720-0 270A Re verse Hand le Grip 4 731-1600 Handle Cov er w/o throttle 5 710-0 779A T russ Ma ch. Scr . #10 x 1/2 ” Lg . 6 720- 027 4 Gr i p-H andl e 7 712-0 287 He x Nut 1/4-20 Gr .2 8 726-0 135 [...]

22 Model 390 3 17 18 21 19 16 43 44 46 47 4 5 7 11 2 1 6 8 9 10 15 14 45 38 41 22 40 42 36 39 33 12 13 30 29 32 31 34 35 28 27 49 48 25 26 24 24 23 20 50 51[...]

23 Model 390 REF . NO . PA R T N O . D E S C R I P T I O N 1 712-0 392 He x L-Stop nut 1/4-28 2 736-3 020 Flat W ash. .266 ” I.D . x .625 ” O. D. 3 710-0 599 He x W asher TT - T ap Scr . 1/4-20 x .5 ” 4 711-0 920 Belt Cov er Bolt 5 712-3 004A He x Flange T op L-Nu t 5/16-18 (Gr .5) 6 710-0 723 He x Hd. Scr . 3/8- 16 x 1.25 ” Lg. (Gr .5) 7 7[...]

MANUF A CTUR ER ’ S LIMITED W ARRANTY FOR: The l imit ed wa rrant y set fort h be low is gi ven by MTD PRODUCTS INC ( “ MTD ” ) with respec t to new me rchan- dise purc hased and used in the Unite d States , its posses- sions an d territories. MTD war rants this prod uct agains t defec ts in material and workman ship f or a period of two (2) [...]