Instruction/ maintenance manual of the product 38080 Toro
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TORO /LAWN-BOY TWO ST A G E SNOWTHROWER DRIVE SYST E M S M A N U A L Table of C ontents – Page 1 of 2 AUGER G EARBOX SERVICE GENERAL INFORMAT ION AUGER G EARBOX LUBRICAN T GEARBO X REMO VAL PRIMAR Y.
TORO /LAWN-BOY TWO ST A G E SNOWTHROWER DRIVE SYST E M S M A N U A L Table of C ontents – Page 2 of 2 TRACT ION DRIVE SYST EMS - CONT INUED DISA SSEMBLY LAW N-BOY MODEL S 28230 , 23231 TORO MODELS 3.
2-S t age Snowthrower Service Manual Drive Systems.
About Th is Manu al This manu al was writte n expre ssly for the T oro and Lawn-Boy ser vicing dea ler . The T oro Compan y has made ev ery ef fort to ma ke the in formation in this manu al complete an d correct. This ma nual was writte n with assu mption th at the reader h as basic me chanical knowledg e and ski lls.
Two St age Sno wthro wer Drive Syst ems Man ual Conte nts AUGER GEARBOX S ERVICE . . . . . . . . . . . . . 1-1 GENERAL INF ORMATIO N . . . . . . . . . . . . . . . . 1 -1 AUGER GEA RBOX L UBRICANT . . . . . . . . . . . 1- 1 GEARBOX REMOVA L . . . . . .
Two Stag e Snow throwe r Drive Sys tems M anual THIS P AGE INTENTIONALL Y LEFT BLANK.
Two Stage Snowt hrower Driv e Systems Manual Introducti on - 1 Introduc tion This m anual will cover servic e to the auger and tractio n drive systems on smal l and intermed iate fr ame 2 stage snowthro wers. Se rvice inf ormat ion for P ower Shi ft snowthrowers is contain ed in manu al 492- 0354.
Introducti on - 2 Two Stage Snowthro wer Drive Sy stems Manual THIS P AGE INTENTIONALL Y LEFT BLANK.
Two St age Sno wthro wer Drive Syst ems Man ual 1 - 1 Chapter 1 — Auger Gearb ox Serv ice GENERAL INFORMA TION The manu al takes a sy stems app roach. Th ere are two versions of the auger gea rbox an d three v ersions o f the tractio n drive sy stem used amon g the v arious 2- stage models.
Auger G earbox Ser vice 1 - 2 Two S tage S nowthr ower Dr ive Sys tems M anual Primary Method — Mini mum Disassembly The foll owing ste ps apply to all models. 1. Remove the belt c over . Loosen th e belt g uide o n the engine crank shaft and rem ove the auger be lt.
Two St age Sno wthro wer Drive Syst ems Man ual 1 - 3 Auger Ge arbox Servic e 5. Loosen th e rear a nd rem ove the fr ont capscrew secu ring the idler arm to the c hassis . Figure 7 M-3331 6. Begin to pull th e auger a ssem bly out to the front. Note: The auger pu lley and k ey have not yet be en removed .
Auger G earbox Ser vice 1 - 4 Two S tage S nowthr ower Dr ive Sys tems M anual 9. The auge r flighti ng is attach ed to th e auger s haft with one bo lt and locknut. Reach through th e holes in the drum auger s to acc ess. On model s without drum aug ers, the bolts are ea sily access ible (Figur e 1 1).
Two St age Sno wthro wer Drive Syst ems Man ual 1 - 5 Auger Ge arbox Servic e 5. There ar e 4 lock nuts in the for ward part o f the housing. These a re on stu ds from the auge r . Remove the lock nuts. The trac tion assembl y will now lift str aight u p off the auger assem bly (Fig ure 1 5).
Auger G earbox Ser vice 1 - 6 Two S tage S nowthr ower Dr ive Sys tems M anual INST ALLA TION Installation of the auge r assem bly into the aug er housing can be done wh ether the auger hou sing and tractio n assemb lies are c onnec ted or no t. There is no signifi cant time savi ngs to ei ther seq uence.
Two St age Sno wthro wer Drive Syst ems Man ual 1 - 7 Auger Ge arbox Servic e AUGER GEARBOX DISASSEMBL Y / SERVICE Once the a uger gear box asse mbly is rem oved from the housing the repair p rocess i s the sam e for all model s.
Auger G earbox Ser vice 1 - 8 Two S tage S nowthr ower Dr ive Sys tems M anual 6. Clean t he outpu t shaft and sl ide th e case ha lves off. Remove the s eals fr om the case halves and discard t he sea ls. 7. Clean a nd inspe ct the bushings in the c ase halves.
Two St age Sno wthro wer Drive Syst ems Man ual 1 - 9 Auger Ge arbox Servic e Failure Analysis There a re some miscon ceptio ns rega rding the se gearbox es that result in incor rectly iden tifying t he causes of fail ure. The squ are cut rin g on the imp eller s haft is not re ally a seal.
Auger G earbox Ser vice 1 - 10 Two Stag e Snow throwe r Drive Sys tems M anual 3. Insert th e keys into the shaft and sl ide the large worm gear i nto pla ce.
Two St age Sno wthro wer Drive Syst ems Man ual 1 - 11 Auger Ge arbox Servic e 7. Apply a VERY ligh t coat o f Loctit e™ Blue # 242 or quivale nt to the out er diame ter of the beari ng. Loctite™ should n ot squeez e out wh en everyth ing is tighte ned (F igure 33) .
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Two St age Sno wthro wer Drive Syst ems Man ual 2 - 1 Chapter 2 — Belts, Controls an d Linkages INTRODUCTION All mode ls us e two b elts. One to d riv e the auger and a seco nd to dri ve the tr action s ystem.
Belts, Contro ls and Linkage s 2 - 2 Two S tage S nowthr ower Dr ive Sys tems M anual 7. The belt guide mus t be chec ked and adjusted. With the e ngine off, en gage both th e auger a nd tractio n contro ls. Adju st the b elt gu ide so that there is appr oximatel y 1/8 inch (.
Two St age Sno wthro wer Drive Syst ems Man ual 2 - 3 Belts, Controls and Li nkages Replacing the T raction Belt — Lawn-Boy Models 2823 0, 28 231 and T oro Models 38051, 3805 2, 38054 , 3805 6, 38062 , 38063, 38064, 3807 2, 38073 When t he traction drive b elt bec omes wor n, stret ched, oil-so aked, or otherwis e dama ged, repl ace the be lt.
Belts, Contro ls and Linkage s 2 - 4 Two S tage S nowthr ower Dr ive Sys tems M anual 1 1. Install a new belt arou nd the lar ge trac tion pull ey . 12. Loop the belt over the eng ine pull ey , ens uring tha t the belt i s on the i nside of t he belt guide (Fig ure 4 0).
Two St age Sno wthro wer Drive Syst ems Man ual 2 - 5 Belts, Controls and Li nkages 3. Loose n auger b rake ar m assem bly b y loosening rear screw and remov ing fro nt screw (Figu re 45). Figure 45 M-2678 4. Remove i dler pul ley spr ing (Fig ure 45 ).
Belts, Contro ls and Linkage s 2 - 6 Two S tage S nowthr ower Dr ive Sys tems M anual 15. Reinstall ( 2) screw s that secur e auge r brake arm assembl y .
Two St age Sno wthro wer Drive Syst ems Man ual 2 - 7 Belts, Controls and Li nkages CONTROL AND LINKAGE ADJUSTMENT Note: Before ma king any cont rol adj ustmen ts, verify that the han dles are secur ed to th e traction f rame. If the handle s mov e at all, the linka ges will not ma intain adjustme nt.
Belts, Contro ls and Linkage s 2 - 8 Two S tage S nowthr ower Dr ive Sys tems M anual Auger/Impeller Drive Control Linka ge — All Other Models There ar e two adjus tment m echanis ms used. One has a clevis with a jam nut. The o ther h as a rod goi ng through a loop w ith a flang e nut on either sid e.
Two St age Sno wthro wer Drive Syst ems Man ual 2 - 9 Belts, Controls and Li nkages ADJUSTING TRACTION CONTROL Adjusting the T raction Control — T oro Models 38065 , 38080, 38085 1.
Belts, Contro ls and Linkage s 2 - 10 Two Stag e Snow throwe r Drive Sys tems M anual Adjust ing the T raction Co ntrol — 824X L (T oro Models 380 66, 3807 8, 38083 , 38084, 38086 and Lawn-Boy Model 2 8232) 1. Slide s pring on to botto m of trac tion contr ol rod (Fig ure 5 9).
Two St age Sno wthro wer Drive Syst ems Man ual 2 - 11 Belts, Controls and Li nkages ADJUSTING THE TRACTION ROD — LA WN-BOY MODELS 28230, 28231 AND T ORO MODE LS 38051, 38052 , 38054, 38056, 3806 2, 38063 , 3806 4 1.
Belts, Contro ls and Linkage s 2 - 12 Two Stag e Snow throwe r Drive Sys tems M anual ADJUSTING THE SPEED SELECT OR If the snow throwe r is slow, the No.1 speed s elect ion has no s peed, or t he speed s elector do es not move into the No . 3 spe ed selec tion, adjust the speed sele ctor lin kage.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 1 Chapter 3 — Tra ction Drive Systems INTRODUCTION All mode ls us e some v ariatio n of a fr iction drive.
Tractio n Drive Systems 3 - 2 Two S tage S nowthr ower Dr ive Sys tems M anual TROUBLESHOOTING THE TRACTION DRIVE — ALL MODELS Drive slipping: 1. V erify adjustm ent of t raction drive lin kage. 2. Make sure th e engage ment sp ring and i dler spr ing are in p lace and undamaged.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 3 Traction Dri ve Systems 6. The axle c an now be remov ed from t he chassis . Inspect the gear , the r oll pin, and the areas where the beari ngs con tact the axle for da mage or severe wear . Remove the th rust washers fr om either e nd of the ax le.
Tractio n Drive Systems 3 - 4 Two S tage S nowthr ower Dr ive Sys tems M anual E. If th e eyeb olt, or trac tion dr ive hub i s to be replaced, remove t he snap r ing on the hub (Fig ure 7 8). Figure 78 2768-040 F . The sma ll sproc ket is retaine d to the hex shaft with a key and se t screw .
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 5 Traction Dri ve Systems Assembly 1. Slide th e pillow b lock be aring , reverse plate (with the hub sid e away from the pulley ), thrust was her , bearing (hub si de fac ing the re verse plate), th rust washer , and spacer on to the dri ve shaft.
Tractio n Drive Systems 3 - 6 Two S tage S nowthr ower Dr ive Sys tems M anual 4. If the piv ot as sembly was re paired, now i s the ti me to assem ble it. A. Sec ure the f riction wheel to th e hub wi th four cap scre ws and locknuts. If the loc knuts are worn, app ly a dro p of Locti te™ Red #271 or equival ent to th e threads.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 7 Traction Dri ve Systems 6. Next, tens ion the pivot as sembly . With the uni t upright, use a sc rewdrive r to str etch the tr action spring and hoo k it into the hol e provided (Fig ure 8 6). Figure 86 MVC- 714 7.
Tractio n Drive Systems 3 - 8 Two S tage S nowthr ower Dr ive Sys tems M anual 6. Remove 4 s elf-tappin g screws th at secure t he axle bea rings to the trac tion fram e. Lift the a xle and bea rings o ut (Fig ure 89) . Slid e the b earings and thrus t wash ers off the ax le.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 9 Traction Dri ve Systems 1 1. If it is nec essary to remov e the g ear quad rant, it i s best to ju st re move the two self- tapping sc rews that secu re the ge ar qua drant mou nt to the tractio n frame.
Tractio n Drive Systems 3 - 10 Two Stag e Snow throwe r Drive Sys tems M anual ASSEMB L Y — LA WN-BOY MODELS 2823 0, 232 31 AND T OR O MO DELS 3805 1, 38 052, 38054, 3805 6, 38062 , 3806 3, 38064 , 38072, 38073 Assem bly T ip s 1. Before as sembli ng somethi ng with a new bu shing , wipe th e bushing with a clean s hop towe l.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 11 Traction Dri ve Systems 5. Install the fri ction pl ate spring i nto the fr ont frame assembl y . Note some models just ha ve a ho le in the frame . Other s have a tab bent outwa rd to ho ok the spring in to (Figure 100).
Tractio n Drive Systems 3 - 12 Two Stag e Snow throwe r Drive Sys tems M anual 1 1. Slide the whe el and hub on the hex shaft with the frictio n wheel c losest to the sl iding br acket. I nstall the lock nut, holdi ng the h ex shaft with an open- end wrench ( Figure 1 04).
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 13 Traction Dri ve Systems 17. Install th e friction wheel a nd slidi ng brac ket. The frictio n wheel s hould be o n your l eft (Figure 1 09). Figure 109 2773-081 The gear q uadra nt must be free to pivot.
Tractio n Drive Systems 3 - 14 Two Stag e Snow throwe r Drive Sys tems M anual 21. If the l ower tra ction rod wa s rem oved, re install it now . Slide the end through th e tracti on bracket then in stall the sp ring and lo cknut. Turn the locknut on unti l the spr ing is compres sed to approxi mately 2 ¼” (5.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 15 Traction Dri ve Systems 6. T o remove the int ermediat e shaft, lo osen th e retaining b olts and rem ove the chai n. Loctite ™ Red # 271 is used to s ecur e thes e bo lt s. Re move the sh aft (Figure 1 16).
Tractio n Drive Systems 3 - 16 Two Stag e Snow throwe r Drive Sys tems M anual ASSEMBL Y — TORO MODELS 38 066, 38078, 3808 3, 38084 , 3808 6 Reverse the proces s for ass embly . See the foll owing tips for sp ecial informa tio n. 1. Lightly gr ease the a xle gear .
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 17 Traction Dri ve Systems SUB ASSEMBL Y R EP AIR — T ORO MODE LS 38066, 38078 , 38083, 38084, 3808 6 This s ection wi ll cov er the di sass embly an d repair of the tractio n shaft/friction wheel a nd the ax le and fr iction p late assembl y after they have bee n remo ved from the chas sis.
Tractio n Drive Systems 3 - 18 Two Stag e Snow throwe r Drive Sys tems M anual 6. There ar e 2 vers ions of th e hub a nd slide r . The early mod els u se a nor mal thrust wa sher on eithe r side of th e slider. Later models use a t hrust washer with a n interna l key that fi ts into a keyway cut into t he sha ft portion of th e hub.
Two St age Sno wthro wer Drive Syst ems Man ual 3 - 19 Traction Dri ve Systems Axle and Friction Plate Assembly Assemb le in reverse o rder . The fo llowing a re notes to assis t you: 1. Install the s nap r ing into t he gro ve in the pulle y and shaft.
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492-4738.
An important point after buying a device Toro 38080 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Toro 38080 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Toro 38080 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Toro 38080 you will learn all the available features of the product, as well as information on its operation. The information that you get Toro 38080 will certainly help you make a decision on the purchase.
If you already are a holder of Toro 38080, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Toro 38080.
However, one of the most important roles played by the user manual is to help in solving problems with Toro 38080. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Toro 38080 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
