Walker IH6620 manual

OWNER’S MANUAL Safety , Assembly , O perating, and Maintenance Instruc tions and ILLUSTRA TED P AR TS MANUAL IH6620 I mplement Hitch, RB6650 Rotary Br oom , DB6660 Dozer Blade, SB6670 T wo- S tage Snowblower and DB6680 Debr is Blower Please Read and Save These Instr uctions Effective Date 06-01 -0 1 For Safety , Read All Safet y and Op eration P/[...]

For eword Thank you. . . for purchasin g a W alker imp lemen t. Every effort has bee n made to pr ovide you wit h the most r eliable p roduct o n the mark et, and we are sure y ou will be a mong ou r many sati sfied cus- tomers. I f for an y rea so n this pr odu ct d oes no t perfo rm to y our expe cta tio ns , pleas e c ontact u s at (970) 2 21-56[...]

T a ble of C o nte n ts Owner ’ s Manual Gen e r a l I n f o rma t i o n _ __ _ ___ _ __ _ __ _ __ 1 HIGHLIGHTED INFORM A TION ________ _____ 1 GLOSSAR Y ____ ______ ______ _______ _____ 1 IDENTIFYING NUM BER LOCA TIONS ________ 1 SERVICING OF DRIVETRAIN GEARBOX ____ 3 UNIT DESCRIP TIONS _______________ _____ 3 Implement Hit ch ________ _______ _[...]

T able of Conten ts Ma i nte n a n ce I n st r uct i o n s __ _ __ _ __ _ _ 43 MAINTENANCE SCH EDULE CHART ______ _ 43 LUBRICA TION __ ______ ______ __________ _ 44 Rota ry Broom Gearbox __ _______ _______ 44 Rotary Broom Drive Chain ____________ _ 44 T wo-St age Snowblower Ge arbox ____ ____ 45 T wo-St age Snowblower Reduction Chain ________ _____[...]

General Information 1 HIGHLIGHTED INFORMA TION W alker M anufactur ing rec ommen ds that an y ser- vice r equir ing sp ecia l trai nin g or to ols b e perf ormed by an a uthorized W alker Mower Dealer . There a re several genera l pract ices to be a ware of in the area of sa fety . Mos t ac c id ents asso ci ate d wit h the oper - atio n or main te[...]

General Information 2 Implement Hitch Seri al Number Lo cation (T op Vi e w) Dozer Blade Se rial Number Location (Rear View ) Rot ary Broom Serial Number Location (Rear View ) T wo-S ta ge Snowblower Serial Number Loc ation (Rear View and RH View) Debris Blower Serial Number Location (Rear View and RH View) Serial Numb er Serial Numb er Serial Numb[...]

General Information 3 SERVICING OF DRIVETRAIN GEARBOX Detailed ser vicin g and r epair of the gear box u sed on the impleme nt attachme nts is not c overed i n this manual. Onl y routi ne mainte nance and ge neral servi ce in stru ction s ar e prov ided . Fo r th e serv ice of the gear box duri ng the limite d warranty period, i t is impo rtant to [...]

Specifications 4 MODEL IMPL EMENTS IMPLEMEN T HITCH Height 10 in. ( 25 cm) Widt h 33- 1/2 in . (85 cm ) Length 30 in. ( 76 cm) Overal l Lengt h Installe d on Tractor 69-3/4 i n. (177 c m) Weight 70 lb (32 kg) Lift 12 V olt DC Elec tric Ram Li near Ac tuator , Operate d by T oggl e Switch Mounted o n FSC Lev er DOZER BLADE Height 17-1/2 in. (44 cm) [...]

Specifications 5 MODEL IMPL EMENTS ROT AR Y BROOM (continued) Hitch System Patent ed Qu ick Hitc h Sy ste m T ype Brush 18 in. ( 46 cm) Di ameter P olypropy lene or Steel, Clockwis e Rotation Brush Dr ive PT O Sha ft Driving Ce nter M ounted Gearbox Prima ry Reducti on Gearbo x, 2.78:1 R atio Second ary Redu ction #40 Cha in and Sp rockets, 3 .27:1[...]

Specifications 6 MODEL IMPL EMENTS DEBRIS BLOWER Height 28-1/2 in. (72 cm) Width 26 in. ( 66 cm) Length 34-3/4 in. (88 cm) Overal l Lengt h Installe d on Tractor 102-1/2 in. (2 60 cm ) Weight (With Female H itch) 130 lb (59 kg) Lift 12 V olt DC Electric R am Linear Actuator , Operat ed by T oggle Switch M ounted on FSC Le ver Hitch System Patent ed[...]

Component Identification 7 Implement Hitch T op Vi ew (Not Insta lled) Mal e Hi tch Assemb ly NOTE: Control I dentifi catio n show n in Operating Instructions sec tion and in Illustrated Parts Manual. IMPLEMEN T HITCH Male Q uick Hitch La tch Footrest Linchp in Mounting Tu b e Hitch Lo cking Leve r Jam Nu t Footrest Safety Ch ain Assem bly Mountin [...]

Component Identification 8 Dozer Blade Rea r View and Right Side View (Not Inst alled) Skid Shoe Pin Skid S hoe Tr i p S p r i n g Lockou t Brack et Skid Shoe Brac ket Tr i p S p r i n g Lockout Pin Fem ale Quic k Hit c h Hitch Box Angle Adjus tment Pin Tr i p S p r i n g We lde d B la d e DOZER BLADE[...]

Component Identification 9 Rot ary Broom Rear V iew and Right Side Vie w (Not Installed ) ROTARY BROOM Brus h Rotary Broom Housing Ground Co ntact Knob T ension Sp ring S topper Pin Pivot B racket Park ing St a n d Broom Angle Adjustm ent Lev er Plastic Wheel Female Hitc h PT O Shaf t[...]

Component Identification 10 T wo-St age Snowblower Front V iew and Right Side View (Not Inst alled) T WO-ST AGE SNOWBLOWER Hand Guar d Gearbo x Sup por t Bracke t Deflecto r Positio n Control K nob Chute Chute Rotation Handle Fan Frame Auger Auger Gearbo x Def lec tor[...]

Component Identification 11 T wo-St age Snowblower Rear Vi e w (Not Insta lled) Deflector Chute Chute Rotation Handle Reducti on Box Cover Skid Sh oe Parall el Bar PTO Drive Shaft Fema le Qu ick Hit ch Skid Sh oe Snow blower Housing Deflector Pos ition Control Knob[...]

Component Identification 12 Debris Blower Front V iew and Left Side V iew (Not Inst alled) DEBRIS BLOWER Park ing St and Female Q uick Hitch PTO Drive Shaft Pivot W heel Belt G uard Blower M otor Housing Chute Rotation Ha ndle Linc hpi n[...]

Component Identification 13 Chute R otation Handle Belt Guard Parki ng S tand Pins Driveline Guar d PTO Dr ive Shaft Fem ale Qu ick Hitch Parki ng S tand Rotation Pini ons Deflector Pos ition Control Knob Debris Blower Rear View and Right Side V iew (Not Inst alled)[...]

Safety Instru ctions 14 Pay particu lar atten tion to any infor mation l abele d DANGER, W ARNING , CAUTION, IMPORT ANT , and NOTE in this man ual. When you see the S afety Al ert Symb ol ( ), read, unde rst and, and follow the inst ructions. Fail- ure to compl y with safety i nstru ctions m ay resu lt in perso nal in jury . The ser iousne ss or de[...]

Safety Instru ctions 15 7. Do not wear loose fitting c lothing tha t could get caug ht in mov ing parts. Always wear ade- quate prot ective clothin g i ncludin g long pants. Wearing s afety glasse s, sa fety sho es, a nd a helm et is ad visa ble a nd requi red by some local ordina nces and insu ranc e regula tions. 8. Prolonge d expos ure to loud n[...]

Safety Instru ctions 16 12. D isenga ge t he PTO clutc h w hen t ransp ort ing the machi ne. 13. Do not opera te a cros s the fa ce of slope s. Us e extr eme c auti on wh en ch angi ng d irect ion on slop es. Do not attem pt to c lear stee p slo pes. 14. Never adju st gauge wh eels or skid shoe s with the engine running. Before adjustin g heigh t o[...]

Safety Instru ctions 17 SAFETY , CONTROL, A ND INSTRUCTION DECALS Safet y , Control, and Instru ctio n Decals are in st alled on th e machine . If any are mis sing, illegib le, or damaged, a rep laceme nt shoul d be or dered and inst a lled bef ore put ting t he mac hine int o ope ration. The Decal Part Numbe r is list ed belo w and in th e Part s [...]

Safety Instru ctions 18 SAFET Y , C O N T R O L, A ND INSTRU C TION DE C ALS Safet y , Control, an d Instru ction De cals are in st alled on th e machine . If any are mis sing, illegib le, or damag ed, a r eplaceme nt sho uld be or dered and i nsta lled before puttin g the mac hine into ope ratio n. Th e Decal Part Numbe r is list ed belo w and in [...]

Asse mbly Instr uctions 19 SETUP INSTRUCTIONS W alker Implem ents are sh ipped partially asse m- bled. A fte r unc r ating t he imple men t ad apto r and /or implem ent(s) , initi al setup is requ ired. NOTE : During the proc ess of un packing, any dam- aged or missing parts sho uld be note d and repor ted to the d eliverin g carri er immed iately [...]

Asse mbly Instr uctions 20 Implement Hitch Wiring 1. Drill fiv e (5) 1 3/64 in . (5 mm) diame ter holes in the trac tor , two in the F SC lever an d three in the body , as show n in the illustr ation . Drill Holes for Imple ment Hitch Wiring 2. Attach the t oggle switc h mount ing brack et on the FSC lever usin g two (2) 10 -24 x 1/2 i n. bolts and[...]

Asse mbly Instr uctions 21 6. Complete the wiring by conn ecting th e wirin g harnes s ends to the toggle swit ch and to the ac - tuator m otor of th e impleme nt hitch. Complete Implement Hitch Wiring 7. Mo ve t he im plem ent l ift swi tch b ackw ard to raise the impleme nt hitch to the UP pos it ion. 8. Move the imple ment lift s witch forward t[...]

Asse mbly Instr uctions 22 Implemen t Hitch Wiring Diag ra m[...]

Asse mbly Instr uctions 23 DOZER BLADE Dozer Blade Ass embly 1. Insert the female quick hitc h into the hitc h box on the bl ade attach ment. 2. Align the singl e hole a t the en d of the femal e qui ck hitc h wi th t he si ngle hol e in t he hi tch b ox and inser t the pivot pin thr ough both holes. Se- cure the pivo t pin on the u ndersid e with [...]

Asse mbly Instr uctions 24 8. Ad just t he sk id sh oes t o allo w th e re quired clearanc e under the blade. Install a s kid shoe pin in each shoe a nd loc k in p lace wi th a 4 mm x 80 mm ha irpin. Refer to ADJUSTMENTS of Dozer Blade Sk id Shoes in Maintenance In- structions. Install Skid Shoes 9. Install the trip spring lock out bracket in the u[...]

Asse mbly Instr uctions 25 Prepare Rotary Broom for Installation 3. At ta ch t he fe male broo m dr ivel ine h alf ( with quick connect yo ke) over the ma le broom dr iv- eline h alf. S et the dri veline on i ts support. NOTE: Driveline sliding sur faces must be greased. Assemble Rotary Broom Driveline 4. Inse rt the male qui ck hit ch sec tion of [...]

Asse mbly Instr uctions 26 6. R emove the ha irpi n fro m the w elded slee ve on the right ha nd side of the broom mountin g bracket. Carefu lly pul l out th e stopper pin to its most extended pos ition and loc k in place wit h the ha irpin. Lock Stop per Pin in Place NOTE: The pin in the inne rmost position is used to prevent the female hitch on t[...]

Asse mbly Instr uctions 27 1. Remove the p in and h airpin from ea ch g auge wheel. S elect the requi red numbe r of spacer sleeves to remain on t he bottom portion of the gauge whee ls. Refer to ADJUSTMENTS of Rota ry Broom Gauge Wheels in Mai ntenance Instructions. 2. Remove t he parking stan ds and re place them with the gau ge wheel s. Place th[...]

Asse mbly Instr uctions 28 5. Insert the 1- 1 1/ 16 in. (4 3 mm) pl astic b ushin g in- to the bu shing support and pl ace this over th e shaft on the rotation worm. 6. I nst al l the ro t atio n worm asse mbly thro ugh t he tube wel dment w ith the at taching p late of the suppor t on the un derside of the c hute b ase lip. Install Rot ation Worm [...]

Asse mbly Instr uctions 29 Attach Drive Sh aft Y oke t o Reduc tion Shaf t 4. Install one 1/4 x 7 -1/2 in. b olt throug h the upp er set of holes in the re duction box and s ecure loosely with a l ock was her and n ut. Install Bolt in Reduction Box 5. Hook the r eductio n box c over over the bolt an d secure the cover wi th a second 1/4 x 7- 1/2 i [...]

Asse mbly Instr uctions 30 Atta c h Snowblower to Implement Hitch 9. At ta ch th e dr ivelin e qui ck lo ck cou ple r to t he tractor PTO. Connect Driveline Coupler to T ractor PTO 10. Attach the parallel bar to th e fem ale h itch an d the im plement ada ptor us ing the tw o clevis es and spr ing clips. Att ach Paral lel Bar to Fema le Hitch 1 1. [...]

Asse mbly Instr uctions 31 14. For G HS (Gra ss Handli ng System ) equi pped W alk er tr act ors, in sta ll a b lowe r int ake co ver in the bl ower in ta ke tube . The co ver “unl oads” the blow er a nd s eal s the i nta ke to e ffect iv ely el im i- nate po wer loss and noise wh en the blo wer is not bein g used . Refer to GHS Blower Int ake [...]

Asse mbly Instr uctions 32 9. F or s t abil ity of t he tra ctor when tr ansp ort ing with the d ebris b lower in raised posit ion, ap proxi- mately 80 lb (36 kg) of c ounterw eight sh ould b e installed on the tail of the tractor . Optional tail weig hts for the var ious tra ctor mode ls are av ail- able from your W alker deal er or a san dbag or [...]

Asse mbly Instr uctions 33 CHECK BROOM ANGL E ADJUST MENT Refer to A ngl e Adju stment Lev er in Operating In- structions. CHECK DRIV E CHAIN Refer to LUBRIC A TI ON for Rotary Broom Drive Chain in Main tenance Instructions . Refer to ADJ USTMENTS of Rotary Broom Drive Chain T ension in Maintenance Instructions . CHECK GE ARBOX Refer to LUBRICA TIO[...]

Operatin g Instruc tions 38 Snow Removal 1. The r otary broom works b est on sn ow depth s of 4 in. (10 cm) or less. L arger amou nts of snow can be m oved if the ground spee d is reduced. 2. T o avoid sn ow being blown back onto the tractor and oper ator , sweep with the wind blowing in the direction of broom discharg e. Lawn Thatching and Leaf Ra[...]

Operatin g Instruc tions 39 Engaging the Snowblowe r 1. Make s ure that th e snow blower is clear of snow and/or ice befor e enga ging th e snowblo wer . 2. Make su re that the aug er and fan operate fr eely . 3. Check t he oil level i n the wo rm gear box and i f necess ary , ad d SAE 90 E. P . ( Extreme Pres- sure) oil. Make sure the oil lev el i[...]

Operatin g Instruc tions 40 • When o perating on a slope, re duce sp eed and use caution to start, stop, and m aneuver . Avoid sharp turns or sudden change s in directi on. • When bl owing thr ough deep snow drif ts, let the snowblo wer work i ts way through the dri fts. For best resul ts, raise the snow blower and remove a top lay- er of sn ow[...]

Operatin g Instruc tions 41 The fol lowing li st of i tems s hould be ch ecke d if a pat- tern of c loggin g begi ns to de velop . All o f these item s are capable of caus ing c logging. • Check th at the ins ide of the snowb lower hou sing is clean a nd free of snow and/or ic e buildup. • Check that th e auger is in good conditi on a nd not be[...]

Operatin g Instruc tions 42 Engaging the Debris Blower 1. Set the engin e thr ottle at abo ut 1/3 s peed . DO NOT attempt to engage the P TO clutch at high engine speeds . Th is will dra sticall y shor t- en dri ve bel t life. Use onl y moderate engine spee d when enga ging th e PTO clutch. 2. Pu ll th e P T O clut ch lev er SLO WL Y to engag e the[...]

Mainten ance I nst ru ction s 43 MAINTENANCE SC HEDULE CHAR T - RECOMMENDED SERVICE INTERV ALS - IMPLEMENTS Model Service Item Daily 25 Hours Y early Reference Page All Models: Check Tire Chains (Op tional) X 32 Check Gaug e Whe els or S kid Sho es X 32 Check Tractor T ailweight X 32 Lubric ate Grea se F itting s and Oi l Poi nts X 45 Repaint Compo[...]

Mainten ance I nst ru ction s LUBRICA TION 44 LUBRICATION Proper lub ricati on is an important mainten ance pro- cedur e. It reduc es wear an d make s the ma chin e quieter and ea sier to operate. Rota ry Broom Gearbox The ge arbox i s perm anently lubric ated (oi l filled ) an d sealed requir ing no sc hedule d lubric ation. Howe ver , the gearbo [...]

Mainten ance I nst ru ction s LUBRICA TION 45 T wo-St age Snowblower Ge arbox The ge arbox i s perm anently lubric ated (oi l filled ) an d sealed requir ing no sc hedule d lubric ation. Howe ver , the gearbo x oil sea l(s) shoul d be chec ked ever y 25 hours for indic ation o f an oi l leak. If an o il le ak is noted , replac e the oil s eal(s) a [...]

Mainten ance I nst ru ction s LUBRICATION 46 Ident L ubrication No. No. Location T ype Places Ident Lubrication No. No. Locatio n T ype Places Implement H itch 1 PT O Shield Hinge Oil 1 2 Hitch Locking Lever Pivot O il 1 3 Mounting T ube Sockets Grease 2 4 Hitch Lift Crank Grease 1 5 Hitch Pi vot S haft Oil 1 6 Quick Hitch Latch Oil 1 NOTE: T racto[...]

Mainten ance I nst ru ction s LUBRICATION 47 Implement Hitch Lubrication Poin t s[...]

Mainten ance I nst ru ction s LUBRICATION 48 Ident L ubrication No. No. Location T ype Places Ident Lubrication No. No. Locatio n T ype Places Dozer Blade 1 Cutting Edge Oil 1 2 Skid Shoe Brackets Grease 2 (Grease Slide Area) 3 Hit ch Bo x Pin Oil 1 4 T rip Spring Lockout Bracket Pivot Pin Oil 1 5 Angle Adjustment Pin Oil 1 6 Female Quick Hitch Piv[...]

Mainten ance I nst ru ction s LUBRICATION 49 Dozer Blade Lubrica tion Point s[...]

Mainten ance I nst ru ction s LUBRICATION 50 Ident L ubrication No. No. Location T ype Places Ident Lubrication No. No. Locatio n T ype Places Rotary Broom 1 Chain Drive Sprocket Oil 1 2 Chain Drive Shaft Grease 1 3 Gearbox Oil * 1 4 Wheel Brackets Grease 2 5 Angle Adjustment Lever Pivot Oil 1 6 Driveline Grease 1 7 Driveline Support Pivot Oil 1 8 [...]

Mainten ance I nst ru ction s LUBRICATION 51 Rota r y Broom Lubrication Points[...]

Mainten ance I nst ru ction s LUBRICATION 52 Ident L ubrication No. No. Location T ype Places Ident Lubrication No. No. Locatio n T ype Places T w o-St age Sno wblower 1 Auger Sections Grease 2 2 Gearbox Oil * 1 3 Cutting Edge Oil 1 4 Skid Shoes Grease 2 5 Gearbox Shaft Oil 1 6 Rotatio n Worm G rease 1 7 Reduction Chain Oil 1 8 Sprockets Oil 2 9 Pa[...]

Mainten ance I nst ru ction s LUBRICATION 53 T wo-S tage Snowblower Lubrication Point s[...]

Mainten ance I nst ru ction s LUBRICATION 54 Ident L ubrication No. No. Location T ype Places Ident Lubrication No. No. Locatio n T ype Places Debris Blo wer 1 Front Gauge Wheel Grease 1 2 Plastic Anti-Friction Ins ert Grease 1 3 Air Bla st N ozz le O il 1 4 Sprockets Oil 2 5 Rotation Handle Grease * 2 6 Universal Joint Shaft Assembly Grease * 1 (G[...]

Mainten ance I nst ru ction s LUBRICATION 55 Debris Blower Lubrication Point s[...]

Mainten ance I nst ru ction s REPLACING/REP AIRING 56 REPLACING/RE P AIRING Dozer Blade Cutting Edge NOTE: The cuttin g edge of t he dozer blade is re- versible a nd n eeds t o be repl aced o nly wh en both the top and bottom edges have worn. Replace the dozer blade c utting edg e as fo llows: 1. Remove th e six (6) 5/16 -NC hex nuts and 5/16 in. l[...]

Mainten ance Ins t ru ction s REPLACING/REP AIRING 57 6. Loosen t he two sp rock et set sc rews and p ush sprocket toward s the bru sh. Lo o s e n Ch a i n Idl e r a nd S e t S c r e ws 7. Remove th e three bolts on the bea ring flanges on eac h side of the broom an d loo sen the b ear- ing set scr ews . Push the bea ri ng s and flan ges towards th[...]

Mainten ance I nst ru ction s REPLACING/REP AIRING 58 2. Loosen the be aring fl ange m ounting n uts and bolts. Posi tion the chain tension block so tha t the ch ain has as much slac k as po ssible. T ig ht- en the bea ring flange mou nting nuts and bolts slight ly t o hold the b eari ng fl ange i n this posi - tion. Remove Chain G uard and Loosen [...]

Mainten ance I nst ru ction s REPLACING/REP AIRING 59 6. Align the s lot in the new sprocket with th e squar e key an d slid e the sproc ket on to the driv e shaft. M ake sure the key i s in pl ace betwee n the dri ve shaft and sp rocket. Remove and Repla ce Sprock et Align Spro c kets 7. Positi on the sprocket on the drive shaft s o it is aligned [...]

Mainten ance I nst ru ction s REPLACING/REP AIRING 60 Snowblower Cutting Edge Replacement T wo-St age Snowblower Ge arbox Remove and repla ce the gearbox as follows : 1. S top the tracto r engine, set the par king bra ke, and rem ove the i gnition k ey . Replace Snowblower Gearbox 2. Remove the three (3) 5/16 nu ts and the three (3) 5/16 x 3/4 bolt[...]

Mainten ance I nst ru ction s REPLACING/REP AIRING 61 Replace Reduction Chain 6. Adjust the chain te nsion. R efer to ADJUST- MENT S of T wo-St age Snowblower Reduc- tion Chain T e nsion in this section . 7. Rein stall the re ductio n box cover b y reve rsin g the rem oval procedure s. T wo-St age Snowblower Reduction Sprocke t A spro cket s hould [...]

Mainten ance I nst ru ction s 62 REPLACING/REP AIRING/ ADJUSTME NTS 2. Loosen the three (3) nuts an d three ( 3) bolts o n lower pulle y beari ng suppor t and the adjust- ment nut on the l owe r e nd of ea ch (2) ey ebo lts to rele ase be lt tensio n. 3. Loosen t he two ( 2) set sc rews sec uring the u p- per pulley beari ng to the shaft. Unbolt an[...]

63 Mainten ance I nst ru ction s ADJUSTME NTS Skid Shoe Height Adjustment Rota ry Broom Brush Leveling IMPORT ANT : The pro per level adjustm ent of the broom is essen tial for ef ficient oper ation and life of the bristl es. The broom should regu- larly be adjusted to preven t une ven b rus h wea r . 1. Extend the parkin g stands and rais e the br[...]

64 Mainten ance Ins t ru ction s ADJUSTME NTS Ro t a r y B r oom D r i v e Ch a i n T e n s ion The dr ive ch ain sho uld h ave 1/4 to 1/2 in . (6 to 13 mm ) of slack at mi dspan. Remove the chai n guard c over to ch eck slack. Adjust the dri ve chain as fo llow s: 1. Loosen the ch ain idler nut. Loo sen C h ain I d l e r N u t 2. Position the chai[...]

65 Mainten ance I nst ru ction s ADJUSTME NTS Reduction Chain T ens ion Adjustment Debris Blower Front Gauge Wheel Adjus t the gaug e wheel hei ght accor ding to su rface condi tion. IMPORT ANT : The air blast nozzle must clear the groun d at all times. 1. Remove th e linch pin from the wheel pivot s haft. 2. Adjus t wheel hei ght by plac ing slee [...]

66 Mainten ance I nst ru ction s ADJUSTME NTS Drive Belt T ension Adjustment Debris Blower Rota tion Pinions The two (2) r otation pinio ns shou ld sl ightl y contact each oth er wi thout any r esistan ce. 1. Loosen the set screw o f each stop ri ng on th e rotation ha ndle. 2. Keepin g the two (2 ) pinions sl ightl y in contact with each oth er , [...]

Mainten ance I nst ru ction s TORQUE SPECIFICA TIONS 67 TORQUE SPECIFICA TIONS[...]

Re m oval a n d S torage Instructions 68 R E MO V AL R e mo v i ng At t a c h m e n t s f r om Impl e m e n t Hitch D o z e r B l ade 1. Park the tractor on a level surface a nd low er th e dozer blade. 2. Remove th e linchpin fro m the quick hitc h latch and plac e the hi tch lock ing le ver in th e UN- LOCKED positio n. 3. S tart the tracto r eng[...]

Removal and S torage Instructions 69 Detach Rot ary Broom from Implement Hitch T wo-Stage Snowblower 1. Park the tractor on a level surfac e and low er th e snowb lowe r . 2. Remove the hai r pin from the para ll el bar a t the adaptor end, and r emove the pa rallel ba r from the impl ement adap tor . 3. Disconnec t the driveline fr om the tractor [...]

Removal and S torage Instructions 70 Det a ch Debris Blower from Implement Hitch Removing Implement Hitch from T ractor IMPORT ANT : Detach any a ttached im ple men t from t he hi tch be fore det aching the hitch from the tractor . Refer t o the instruct ions for REMOV AL of Dozer Blade, Ro tary Broom, T wo-Stage Snowblo wer , or De bris Blo wer in[...]

Removal and S torage Instructions 71 NOTE: Rustproo fing o r painting ever y year will p rolong t he life o f the b lade com ponents and mov ing parts. 3. Whe n the dozer blade is dry , lubric ate all mov- ing parts with SAE 30 engi ne oil. Apply oil lib- erall y to all expose d surfa ces to prot ect against rust. 4. S tore the doz er blade in a d [...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 72 IMPLEMENT HITCH ASSEMBL Y Implement Hit ch 1 6627 PTO S hield 1 2 I392 Safety Chain Assembly 1 I015 Chain 1 O/L 5/16 Linchpin 1 O/L 5/32 x 1 Cotter P in 1 3 5588 Rubber Bumper 1 4 I001 Quick [...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 7 3 IMPLEMENT HITCH ASSEMBL Y[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 74 IMPLEMENT HITCH ELECTRICAL COMPONENTS Implement Hit ch Electrical Componen ts 1 6623-1 Sw itch Boot (Fits P/N 6623) 1 2 6628 Sw itch Mount Bracket 1 3 6623 Lift Control Switch 1 4 6632 Decal,[...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 75 IMPLEMENT HITCH ELECTRICAL COMPONENTS[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 76 DOZER BLADE ASSEMBL Y Dozer Blade Assembly 1 I061 Spring (1-7/8 x 9) 1 2 I064 Pi vot Pin 1 3 I060 1/4 x 1 Roll Pin 2 4 I065 Adjus tment Pin 1 5 I 063 Femal e Quick Hitch 1 6 NS Decal, Trip Sp[...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 77 DOZER BLADE ASSEMBL Y[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 78 ROT AR Y BROOM ASSEMBL Y Rotary Broom Assembly 1 I385 Stand Support Bracket 2 2 I366 Parking Stand 2 3 NS Housing (RAD 661579) 1 4 663827 Clevi s 1 5 O/L 5/16-NC Hex Bolt, Plated 1 6 I377 Cha[...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 79 ROT AR Y BROOM ASSEMBL Y[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 80 ROT AR Y BROOM DRIVE COMPONENTS Gearbox Assembly 1 NS Dipsti ck Plug (RAD 661741) 1 2 O/L M8 x 45 Bolt 8 3 NS Casing (RAD 661740) 1 4 NS Oil S eal (RAD 661730) 3 5 NS Snap Ring (RAD 661734) 3[...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 81 ROT AR Y BROOM DRIVE COMPONENTS[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 82 SNOWBLOWER HOUSING COMPONENTS Chute Rotation Assembly 1 NS Chute, B ase and Knobs (with Decals) 1 (RAD 661 168) 2 I396 Decal, K eep Hands Out 1 3 I172 7/16 Nylon Washer 2 4 O/L 5/16-NC x 1 Ca[...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 83 SNOWBLOWER HOUSING COMPONENTS[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 84 SNOWBLOWER DRIVE COMPONENTS Gearbox Assembly 1 I193 Double Lip S eal 2 2 NS Breather , 3/8 NPT & O-Ring (Comer) 1 (RAD 661 185) NS Pressure Plug, 1/8 NPT (Usimax) 1 (RAD 654927) 3 O/L M8 [...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 85 SNOWBLOWER DRIVE COMPONENTS[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 86 DEBRIS BLOWER COMPONENTS Debris Blower Component s 1 I402 Impeller Housing 1 2 NS Impeller (RAD 662644) 1 3 NS 1-14 Castel Nut (RA D 654988) 1 4 O/L 3/16 x 2 Cotter Pi n 3 5 NS Intake Cover ([...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 87 DEBRIS BLOWER COMPONENTS[...]

ITEM PART DESCRIP TION NO. NO. NO. REQ’D ITEM PART DESCRIP TION NO. NO. NO. REQ’D Use only genuine Walker ® replacement parts. Effective Date 06-01-01 88 DEBRIS BLOWER MANUAL ROT A TION COMPONENTS Debris Blower Manu al Rotation Compo nents 1 7860 Handle Grip 1 2 NS Rotation Handl e (RAD 663509) 1 3 5830 Grease Fitting 2 4 O/L #8-32 x 1/8 Allen[...]

Effective Date 06-01-01 Use only genuine W alker ® replacement parts. 89 DEBRIS BLOWER MANUAL ROT A TION COMPONENTS[...]

Use only genuine Walker ® replacement parts. Effective Date 06-01-01 90 KEY T O ABBREVIA TIONS USED IN ILLUSTRA TED P ARTS MANUAL º (Dim en si on) ......... .... .. ..... .. .... ..... .. .... .. ..... .. ..... .. .... .. ..... .... .. ..... .. .... ... .... .. ..... .... .. ..... .. .... .. .. D egrees (Angle ) " (Dim en si on) ...... .....[...]

91 LIMITED W ARRANTY FOR WA L K E R COMMERCIAL RIDER MOWER 1. WHA T THIS W ARRANT Y COVERS, AND FOR H OW LONG: W alker Manufacturing company will, at its option, rep air or replace, without charge, any part covered by this warranty which is found to be defective in material and/or workm anship within one (1) year* af ter date of sale to t he origin[...]

W ALKER MFG . CO. • 592 5 E. HARMONY RO AD, FORT COLL INS, CO 80528 • (9 70) 221-5614 FORM NO. 060101 PRI NTED IN USA © 2001 W ALKER MFG . CO www.walkermower s.com[...]