Troy-Bilt 420 manual

1 0 / 30 / 200 6 FORM NO. 769- 0233 8 A 21” Rotary Mower — Model Series 420 TRO Y BIL T LLC, P .O. BO X 361131 CLEVELAND, OHIO 44136-0019 Safety • Assembl y • Operation • Tips & T echniques • Maintenance • T roub leshooting • P arts Lists • W arranty Warning : This unit is equ ippe d with an inter nal co mbust ion eng ine and [...]

2 Finding and Recor ding Model Number T able of Contents BE FO RE Y OU BEG IN T O ASSE MB LE Y OUR NEW E QUIP MENT , please locat e the model plat e on the equipm ent and cop y the info rmatio n to the sa mple model pla te p ro vided to the ri ght. Y o u can locat e the model pla te b y standing at th e opera ting pos ition and looking do wn at th [...]

3 1 Slope Gauge W ARNING Do not mo w on inclines with a slope in e xcess of 1 5 degrees (a rise of appro ximate ly 2- 1/ 2 fee t ev er y 1 0 fee t) . A riding mow er could o ve r turn and cause s erious in jury . If opera ting a w alk - behind mo we r on such a slope , it is extrem ely difficult to main tain y our footi ng and y ou could slip , res[...]

4 2 Safe Operat ion Practices Children T ragic accidents can occur if operator is not aler t to presence of children. Children are often attracted to mower and mo wing activity . They do not understand the dangers . Nev er assume that children will remain where you last sa w them. 1. K eep children out of the mowing area and under w atchful care of[...]

5 1 9. Shut t he en gin e of f and wai t unti l the bl ade c ome s to a com ple te stop b efore re movin g the gr as s catc her or un cl og - ging t he c hute. The c ut tin g blad e con tinu es to rot ate for a few se con ds af ter the e ngin e is shu t of f. Never plac e any par t of t he bo dy in the b lade ar ea unti l you are sur e the b lade h[...]

6 3 Setup and Adjustment IM POR T AN T: This unit is ship pe d with out ga soline o r oil in th e engin e. Fill up g asolin e and oil as i nstru cted in the a ccom panying eng ine ma nual BE FORE op er at- ing your mower. 1 . Remove any packing materi al whic h may be betwee n upper an d lower handl es. a. Pull up and b ack on up per hand le as sho[...]

7 5. Follow steps be low to assem ble the g rass c atcher (i f neede d) . M ake cer tain bag is t urned ri ght sid e out before ass embli ng (warni ng label w ill be on t he outsi de) . a. Place bag over frame so th at its blac k plast ic sid e is at the bot tom. b. Sli p plast ic cha nnel of gras s bag over hooks on the frame. See Fi gure 3 -5. A [...]

8 4 Operating Y our Lawn Mo wer Blade Control The blad e contro l is att ache d to the up per handl e of the mower . Depress a nd squeeze it again st the up per handl e to operate the u nit. Rel ease it to sto p engine a nd blade. W ARN I NG : This b lad e contr ol is a sa fet y device . Never at te mpt to bypas s its op er a- tions . Cutting Heigh[...]

9 W ARN I NG : If you st rike a fore ign obj ect , stop th e engin e. Re move wire fro m the spark p lug, t horoug hly insp ec t mower for any dama ge, a nd re pair d amag e be fore r est ar ting and op era ting . Ex ten sive vibra tion of m ower during ope rat ion is an in dicat ion of d amag e. Th e unit should b e pro mptl y insp ecte d and r ep[...]

10 5 Maintaining Y our Lawn Mo wer W ARNING Alwa ys stop engine, disconnect spark plug, and grou nd against eng ine before per formi ng and type of maint enance on the mower . IM POR T AN T : Do not use a pressure washer or g arden hose to cl ean your unit. These may cause d amage to elec tric c omp onents, spind les, pul leys, bear - ings, or t he[...]

11 Figure 5-3: Removing the rear flap . 5 Maintaining Y our Lawn Mo wer W ARNING When remov ing the cutting blade for sharpenin g or replacement , protect yo ur hands with a pair of heavy glo ves or use a heavy rag to hold the blade. An unbalanced blade will ca use ex c essiv e vibration when ro tat- ing at hi gh speeds . It may cau se damage to m[...]

12 For repairs bey ond the minor adj ustments listed here, contact an authorized service dealer . 6 T r ouble Shooting Cause Pr oblem Remed y Engine fails to st ar t Engine run s erratic 1 . Con nec t and t ighte n spar k plu g wire. 2. Clea n fuel l ine ; fi ll tan k wit h cle an, fresh g aso line. 3. Clear ven t. 4. Drai n fuel t ank . Refil l wi[...]

13 7 Safety Labels W ARNING DO NOT remov e safety (or any) labels from mower f or any reason. Safety Labels Found On Y our Lawn Mo wer T O N O D , Y R U J N I F O K S I R E H T E C U D E R O T S S E L N U E T A R E P O R O R E V O C E G R A H C S I D A C S S A R G . E C A L P R E P O R P S T I N I S I R E H C T . Y L E T A I D E M M I E C A L P E R[...]

14 Model Series 420 23 32 35 21 20 19 15 14 13 16 17 18 24 25 19 30 33 37 5 6 7 3 2 1 12 34 38 39 4 40 10 9 8 19 19 22 36 28 29 23 27 26 25 31 11 22[...]

15 8 P ar ts List Ref. Part No. Descr iptio n 1 73 1 - 0420 4† Blade C ontrol C over 2 7 4 7 - 1 1 61 A Blade C ontrol 3 7 46 - 1 1 30 Control Ca ble - 40 ” 4 726- 0240 Cable Ti e 5 66 4- 0 401 1 Grass B ag Assemb ly 6 7 4 7 - 0 40 80 Grass B ag F rame 7 7 49 - 1092A Upper H andle 8 73 1 - 05 642 T railsh ield 9 7 4 7 - 0 45 87 Rear Door Pivot [...]

The limi ted warrant y set for th below is g iven by T roy- Bilt LLC wit h respe ct to new merchan dise pur chase d and used i n the Unite d States, its p osses - sions an d territori es. “T roy- Bilt ” warrants t his prod uct ag ainst defe cts in m aterial and wor kman - ship for a per iod of t wo ( 2 ) years com menc ing on the d ate of origi[...]