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Bolens 750 manual

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Table of contents for the manual

  • Page 1

    SNOW THROWER MODELS Snow Bo ss 550 Snow Bo ss 750 PRINTED IN U.S .A. OPERA T OR’S MANU AL IMPORT A NT : READ SAFETY RULES AND INSTR UCTIONS CAREFULL Y WHITE OUTDOOR PRODUCTS COMP ANY P . O . BO X 361131 CLEVELAND, OHIO 44136- 9722 Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved fo[...]

  • Page 2

    2 TABLE OF CONTENTS Cont ent Page Important Safe O peratio n Prac tices ................. ............. ............. ............. ........... 3 Assemblin g Yo ur Snow Thrower ... ............. ............. ............ ............. ............. ..... 5 Know Your S now Thrower .................. ............. ............. ............. .......[...]

  • Page 3

    3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symb ol poin ts out imp ortan t safety ins tructio ns which, if not follow ed, coul d endanger the perso nal saf ety and/o r prop erty o f you rself and o thers. Read and follo w all instr uctions in this man ual before at temptin g to oper ate this mac hine. Fai lure to com ply with the[...]

  • Page 4

    4 3. The clut ch le vers mus t operate easily in both d irectio ns and auto matically retu rn to the dis engaged position when released . 4. Never operate with a miss ing or da maged discharge chute. Ke ep all s afety dev ices in place and working . 5. Never run an eng ine indoors or in a poorly ventil ated area. Engine ex haust contains carbon mon[...]

  • Page 5

    5 SECTION 2: ASSEMBLING YOUR SNOW THROWER NOTE: Any r eference in this manual to the l eft or right side of the s now thr ower is ob served from the operator ’s position . Unpacking • Remove s crews from th e top sides an d ends of th e ship ping cr ate. • Set panel aside to avoid ti re punctur es or perso nal injury . • Remov e and disc ar[...]

  • Page 6

    6 • Wind the he adlig ht wire arou nd the right handle unti l exce ss slac k is re moved. • Plug the wi re from the he adlig ht into the wir e lead coming fr om the right side of the engi ne, benea th the fuel tank . Final Adjustments Auger C ontrol Adjust ment Check the ad justm ent of the auger control as follows: • Push for ward on the aug[...]

  • Page 7

    7 b. Engage the tr action con trol an d attempt to move them ma chine both forwa rd and rearward. You shou ld experi ence res istance as the wheels shoul d not be turni ng. • Move the s hift lever into the fast reverse (R2) position and repeat the previous steps (a & b). If you ex perien ced r esistan ce eithe r when reposi tioning the shift [...]

  • Page 8

    8 Shif t Lever The shif t lever is loc ated in th e center of the handle panel and is used to de termine bo th ground sp eed and directi on of trave l. It can be mo ved in to any of eight position s. See Fi gure 7. Forward Your s now thr ower has si x forw ard ( F) s peeds. Positi on number one (1) is the s lowes t. Positio n number six (6) is the [...]

  • Page 9

    9 Electric S tarter (If Equipped) WARNING: The electr ic starter is equipped with a grounded three-wire power cord and p lug and is des igned to operate on 120 volt AC household current . It must be u sed wit h a p roperly grounded three- prong receptacle at all times to avoid the possibility of elect ric shock. Foll ow all in struction s carefully[...]

  • Page 10

    10 Operat ing Tips NOTE: Allo w the en gine to warm up for a few m inutes as the eng ine wi ll not dev elop fu ll power until it reach es operatin g temperatu re. WARNING: Muffle, engine, and surround- ing areas become ho t and can cau se a burn. Do not touch. • Set the sk id shoes 1/ 4" below the shav e plate for normal us age. The s kid sh[...]

  • Page 11

    11 Figure 9 Shift Rod Adjustment To adjust the s hift rod , proceed as follows: • Remove the hairpin c lip and slide the conne ctor up to separa te the upper sh ift rod from the lower shift rod. See Fig ure 10. Fig ure 10 • Plac e shift lever in si xth (6) positio n. • Rotate the sh ift arm cou ntercloc kwise ( from the operator ’ s positio[...]

  • Page 12

    12 SECTION 6: MAINTAINING YOUR SNOW THROWER WARNING: Before lubricating, repairing, or inspecting, disengage all c lutch levers and stop engine . Wait until all moving parts have co me to a comple te stop. Disconnect spark plug wire a nd ground it against the e ngine to prevent unint ended starting. Lubrication Wheels • Oil or spr ay lu bricant i[...]

  • Page 13

    13 Tract ion Control / Auger Control Lock The cams on the ends of the control r ods which interlo ck the tractio n driv e and aug er drive con trols must be lubri cated at leas t once a seas on or every 25 hours of o peration. The cams can be a ccesse d beneat h the h andle pa nel. Use a mult i-purp ose a utomoti ve grease. Engine Refer to the s ep[...]

  • Page 14

    14 NOTE: Loosen ing th e six n uts th at conne ct the fram e to the auger hou sing may a id in belt r emoval . • Lift the auge r belt from the auger pul ley, and sl ip belt between the suppo rt bracket an d the auger pulley. S ee Figur e 18. • Replace the auger drive belt by following instruc tions in r evers e order. Fig ure 18 Drive Belt • [...]

  • Page 15

    15 • Reasse mble new fri ction wheel rub ber to the frictio n wheel pl ates and hub, tighteni ng the six screws in r otatio n and with equal force. • Position the friction whee l assem bly up onto the pin of the shift rod as sembly , and slide the shaft thro ugh t he as sembl y. Reas sembl e in re vers e order. Off-season Storage WARNING: Never[...]

  • Page 16

    16 SECTION 8: TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1. Fuel tank empty, or stale fuel. 2. Blocke d fuel li ne. 3. Choke no t in ON posit ion 4. Faulty spark plug. 5. Safety key not in ignit ion swi tch on engine . 6. Spark pl ug wire dis conne cted. 7. Primer button not being us ed proper ly. 8. Fuel shu t-off valv e closed. 1.[...]

  • Page 17

    17 Ref . No. P art No. P art Descr iption 1. 618-0123 RH Hou sing 2. 618-0418 LH Hous ing w/Fi tting 3. 710-0642 Self T a pping Scre w , 1/4-20 x . 75 4. 711-1020 Spiral Ax le 22 ” (55 0) 711-0908 Spiral Ax le 24 ” (75 0) 5. 714-0161 Hi-Pro K ey , 3/16 x 5/8 6. 715-0143 Spring Spir al Pin, .2 5 x 1.25 7. 717-0528 Wo rm Gear , 20-tooth 8. 717-05[...]

  • Page 18

    18 Models 550 & 750 1 1 2 3 4 4 5 5 6 4 7 7 8 9 10 10 11 11 12 1 5 13 14 15 16 17 18 1 19 20 21 22 23 24 25 25 26 28 29 26 1 1 30 31 32 33 34 8 35 Drive Clutch Cable Auger Clutch Cable Auger Clutch Cable Blower Housing 36 20 20 37 37 38 39 40 42 42 43 41 44 27[...]

  • Page 19

    19 Models 550 & 750 Ref. No. P art No. P art Descrip tion 1. 710-1652 Hex Screw 2. 784-5 688 Drive Cable Guide Brac ket 3. 784-5687 A Auger Cl utch Cabl e Bracket 4. 756-0625 Roller Cabl e 5. 738-0924 Hex Screw 1 /4-28 6. 784-5630 A Frame As sembly 7. 741-0563 Ball Beari ng 8. 736-0105 Bell Was her 9. 712-0 116 Lock J am Nut 10. 741-0598 Hex Fl[...]

  • Page 20

    20 Models 550 & 750 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 16 10 9 18 19 20 21 22 23 13 25 23 22 26 18 27 28 13 30 30 31 32 31 32 33 16 18 35 34 36 37 38 39 41 40 42 17 40 39 29 24 43 31 18 31 43[...]

  • Page 21

    21 Models 550 & 750 Ref. No. P art No. P art Descrip tion 1. 712-0116 Lock Ja m Nut 3 /8-24 2. 756-0178 Flat Idler 3. 784-5632A Auger Idle r Arm 4. 710-0459A Hex Cap Scre w 3/8-24 x 1.50 5. 738-0281 Shoulder Sc rew 6. 736-0167 Flat W asher .656 ID x 1.25 OD 7. 732-0611 Extensio n Spring 8. 712-3068 Hex Nut 5/16-18 9. 712-3010 Hex Nut 5/16-18 10[...]

  • Page 22

    22 Models 550 & 750 1 2 3 4 5 6 7 4 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28[...]

  • Page 23

    23 Models 550 & 750 Ref. No. P art No. P ar t Descr iption 1. 710-1652 Hex W asher Scre w 1/4-20 x.625 2. 731-1324 Belt Co ver 3. 732-0339 Extension Sprin g 4. 710-0627 Hex Screw 5/16-24 x .75 5. 710-3005 Hex Ca p Screw 3/8-1 6 x 1. 25 6. 05896A Drive Clut ch Bracket 7. 748-0234 Shoulder Spa cer 8. 756-0985 Pulley H alf 9. 754-0343 V-Be lt 10. [...]

  • Page 24

    24 Models 550 & 750 9 23 29 24 1 26 28 18 7 12 20 6 21 15 A A 5 4 18 11 27 12 20 44 35 32 48 45 35 32 33 44 45 46 49 32 72 36 38 51 32 11 41 42 43 43 42 41 11 69 47 31 40 34 37 B B 54 62 55 66 59 53 63 64 59 55 65 60 4 54 52 61 55 56 57 8 68 13 10 73 67 19 70 39 39 12 17 2 15 20 11 25 14 16 (for g round wi re 71 of light a ss ’ y) 58 30 74 74[...]

  • Page 25

    25 Model 550 & 750 Ref. No. P art No. P ar t Description 1. 684-0008A Shift Arm As sembly 2. 705-52 04A Chute C rank Ass ’ y 4. 710-0262 Carriage Bol t, 5/16-18 x 1.5 5. 710-0449 Carriage Bol t, 5/16-18 x 2.25 6. 710-0788 Self Tappi ng Screw , 1/4-20 x 1 7. 710-3008 Hex Cap Screw, 5 /16-18 x . 75 8. 7 10- 3015 He x Cap S crew , 1/4 -20 x .75 [...]

  • Page 26

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  • Page 28

    MANUF A CTURER ’ S LIMITED W ARRANTY FOR: The lim ited w arranty s et f or th be low i s giv en b y White O ut- door Produc ts Co . with respect to new merchand ise pur- chased and used i n the Uni ted States , its p ossess ions and territories. White O utdoor Produ cts Co . warr ants this produ ct aga inst def ects in material and w orkmanshi p [...]