MTD 769-01276A manuale d’uso

Two-Stage Snow Thrower Styles H & K Oper ator’ s Man ual IMPOR T ANT : READ SAFETY R ULE S AND INSTR UCTIONS CAREFULL Y Warning: This unit is equipped with an internal co mbustion engine and should not be used on or nea r any unimproved forest-covered, brush - covered or grass-covered land unless the engine’s exhaust system is e quipped wit[...]

2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Ma nual is an important part of yo ur new snow thrower. It w ill help you assemb le, prepare and maintain the unit fo r best performance. Plea se read and understand wh at it says. Before you start as sembling your new equipment , plea se locate th e model plate on t he equipment and copy t[...]

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: Engine Exhaust, some of it s constituents , and cer tain vehicle components contain or emit chemicals known to the State of Calif or nia to cause cancer , birth defects or other reproductiv e harm . DANGER: This machine w as built to be op erated according to t he rules for saf e oper ation i[...]

4 Operation 1. Do not put hands or feet near rotating p arts, in the auger/impeller housing or chute assembly. Contact with the rotating parts can amputate hand s and feet. 2. The au ger/impeller control is a safety device . Never bypass its operation. Doing so makes the machine unsafe an d may cause pers onal injur y. 3. The co ntrols must operate[...]

5 YOUR RESPONSIBILITY Restrict the use of this power machine to persons who read, understand and follow the warnings and in structions in this manual and on the machine. Do not modify engine To avoid serious injury or de ath, do not modify engine in any way. Tampering with the gover nor setting can lead to a r unaway e ngine and cause it t o operat[...]

6 SECTION 2: ASSEMBLING YOUR SNOW THROWER NOTE: References to rig ht or left side of the snow thrower are de termined from behind th e unit in the operating p osition (stand ing directly be hind the snow thrower, facing th e handle panel). NOTE: This Operator’s Manu al covers several models. Snow thrower f eatures vary by model . Not all features[...]

7 Attaching the Chute Assembly and Directional Control 1. Apply a lubricant (i.e. 3-in-1 oil) to the rim of the chute base (and th e underside of the chute assembly) and position the chute assembly ov er the base. 2. Close the flange keepe rs to secure the chute assembly to the chut e base. The flange ke epers will click into place when properly se[...]

8 SECTION 3: KNOW YOUR SNOW THROWER WARNING: Read, understa nd, and follow all instructions and wa rnings on the machine and in this manual before operating. NOTE: For detailed starti ng instructions and more information on all engine controls, r efer to the Tecumseh Engines manual packed separately and Starting The Engine on page 10 of this manual[...]

9 Auger Control The auger cont rol is located on the left handle. Squeeze the co ntrol grip against the handle to en gage the augers and start sno w throwing action. Release to stop. Drive Contro l The drive control is located on the right hand le. Squeeze the co ntrol grip against the handle to en gage the wheel drive. Release to stop. Chute Direc[...]

10 SECTION 4: OPERATING YOUR SNOW THROWER Before Starting WARNING: Read, understand, and follow all instructions and wa rnings on the machine and in this manual befor e operating. Gas & Oil Fill-Up Service the eng ine with gasoline and oil a s instructed in the Tecumseh Engines ma nual packed separately with your snow thrower. Read instructions[...]

11 IMPORT ANT: Do not releas e the ha ndle and allow it to snap back. Keep a firm hold on the star ter handle and allow it to slowly recoil. • As the engine warms, slowly rotate the choke control to t he OFF posit ion. If the engine falte rs, quickly rotate the ch oke control back to the FULL position and then slowly into the OFF po sition again.[...]

12 • Repeat Auger Con trol Test to verify proper adjustment has been achieved. Figure 1 Drive / Auger Lock (on models so equipped) The drive/aug er lock allows the user to operate the snow thrower with one hand, leaving the left hand free to operate the ch ute directional control. • Engage both the Auger Control and t he Dri ve Control at the s[...]

13 SECTION 5: MAKING ADJUSTMENTS WARNING: Never at tempt to mak e any adjustments wh ile the engine is running, except where sp ecified in operator’s ma nual. Shift Rod Adjustment If the full range of speed s (forward and reverse) cannot be achieved, refer to t he figures marked 1,2, an d 3 to the right and adju st the shift rod as follows: 1. Pl[...]

14 Drive Contro l When the drive control is released a nd in the disengaged “u p” position, the cable should have very little slack. It sh ould NOT be tight. Check the adjustment of th e drive control as follows: 1. With the drive control released , push the snow thrower gently forward . The unit should roll freely. 2. Engage the drive control [...]

15 SECTION 6: MAINTAINING AND SERVICING YOUR SNOW THROWER WARNING: Before lubricating, repairing, or inspecting, disengag e all controls and stop engine. Wait until all moving parts have come to a complete stop. Always wear safety glasses durin g operation or while perf orming any adjustme nts or repairs. Engine Refer to the sepa rate Tecumseh Engi[...]

16 Auger Belt Replacement To remove a nd replace your snow t hrower’s auger b elt, proceed as follows: 1. Remove the plastic belt cove r on the front of the engine by removing the two self-t apping screws. • Drain the ga soline from the snow thro wer, or place a piece of plastic under the gas cap. • Carefully pivot the sn ow thrower up and fo[...]

17 Drive Belt Replacement To remove a nd replace your snow t hrower’s auger b elt, proceed as follows: 1. Remove the plastic belt cove r on the front of the engine by removing the two self-t apping screws. • Drain the ga soline from the snow thro wer, or place a piece of plastic under the gas cap. • Carefully pivot the sn ow thrower up and fo[...]

18 Friction Wheel Removal If the snow throwe r fails to drive with the driv e control engaged, and pe rforming the drive control cable adjustment on page 14 f ails to correct the problem, th e friction wheel may need to be r eplaced. Follow the instructions below. Examine the friction whe el for signs of wear or cracking and replace if ne cessary ?[...]

19 Augers • The augers a re secured to the spiral shaft with two shear pins and cotter pins. If the auger should st rike a foreign object or ice ja m, the snow thro wer is designed so that the pins may sh ear. Refer to F igure 9. • If the augers will no t turn, check to see if the pins have sheare d. One set of replac ement shear pin s has been[...]

20 SECTION 8: TROUBLE SHOOTING GUIDE NOTE: For repairs beyond t he minor adju stments abov e, contact y our local au thorized se rvice dealer. T roub le P ossible Cause (s) Corrective Action Engine fails to start Fuel t ank empty, or stale fuel. Blocked fuel line. Choke control not in ON p osition Faulty spark plug. Ignition key not present. Spark [...]

21 NOTES[...]

22 1* 9 48 3 25 15 8 28 66 35 40 5 30 21 10 7 22 13 18a 18b 16 56 58 57 55 26 4 24 6 41 15a 15b 54 2 49 53 52 51 14 64 60 65 61 62 63 50 36 43 44 45 42 37 38 46 11 31 32 14 33 23 29 27 12 34 39 59 20 47 17 19 SECTION 9: PARTS LIST K-Style Shown[...]

23 Styles H & K NOTE: Snow thro wer features and components va ry by model . NOT all parts listed above and pictured o n the previous page are standard equipment. REF . NO . PA R T NO . DESCRIPTION 1 631-04125 Panel Assembly, Handle, H-Style* (Inc. Ref. 47) 631-04128 Panel Assembly, Handle, K-Style* (Inc. Ref. 47) 2 631-04133 Handle Assembly, C[...]

24 61 54 53 45 55 56 57 49 42 58 44 50 10 21 20 46 46 47 52 62 64 66 63 65 59 48 41 60 7 51 4 2 9 43 39 11 8 6 5 13 16 8 37 26 28 29 22 70 6 24 12 7 15 19 25 34 14 23 3 9 17 33 67 32 27 30 For Manual Chute For Remote Chute 32 31 38 1 36 68 69 7 7 4 7 35b 35a 9 18 Styles H & K[...]

25 Styles H & K * One found between spirals on models with 24-i nch auger hou sing. * Three found between spirals on models with 28-inch auge r housing. ** One found between spirals on models with 30-inch auger housing . ^ Three found on models w ith 30-inch auger ho using. † H-Style †† K-Style ‡ If Equipped NOTE: Snow thro wer features[...]

26 40 51 47 57 53 48 56 58 7 52 7 46 49 59 44 43 54 50 17 41 55 58 67 68 42 36 32 35 34 9 28 19 18 30 20 24 7 29 13 33 23 11 5 22 3 24 15 21 24 6 1 16 12 14 2 14 10 4 38 9 9 28 31 9 37 8 20 7 26 27 39 9 4 62 64 60 65 61 63 25 45 9 Styles H & K[...]

27 Styles H & K Wheel Assembly Complete Wheel Size Rim Onl y Tire Only Air V alve 634-04144 13 x 4 634-04151 734-1732 734-0255 634-04142 15 x 5 634-04151 734-1859 734-0255 634-04141 16 x 4.8 634-04140 734-1530 734-0255 NOTE: Snow thro wer features and components va ry by model . NOT all parts listed above and pictured o n the previous page are [...]

MANUF A CTURER’S LIMITED W ARRANTY FOR: The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its poss essions and territories. “MTD”warrants this product ag ai nst defects in material and workmanship for a period of two (2) years commen cing on the date of original p[...]