Two-Stage Snow Thrower Operator's Manual

ManualsBrandsMTD ManualsSnow Blower3BA

Two-Stage

Snow Thrower

Model 3BA

PRINTED IN U.S.A.

Operator’s Manual

FORM NO

769-00747C.fm

(7/29/2004)

IMPORTANT: Read safety rules and instructions carefully before operating equipment.

Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-

covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting

applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.

In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have

similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized

service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

Summary of content (20 pages)

PAGE 1
Operator’s Manual Two-Stage Snow Thrower Model 3BA IMPORTANT: Read safety rules and instructions carefully before operating equipment. Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
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TABLE OF CONTENTS Content Important Safe Operation Practices Assembling Your Snow Thrower Know Your Snow Thrower Operating Your Snow Thrower Making Adjustments Page 3 5 7 8 10 Content Maintaining Your Snow Thrower Servicing Your Snow Thrower Trouble Shooting Illustrated Parts Warranty Page 11 12 14 15 20 FINDING MODEL NUMBER This Operator’s Manual is an important part of your new snow thrower. It will help you assemble, prepare and maintain the unit for best performance.
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SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol—heed its warning.
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5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 2. Before cleaning, repairing, or inspecting machine disengage all control levers and stop the engine. Wait until the auger/impeller come to a complete stop. Disconnect the spark plug wire and ground against the engine to prevent unintended starting. 3. Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition. Also, visually inspect machine for any damage. 4.
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SECTION 2: ASSEMBLING YOUR SNOW THROWER IMPORTANT: This unit is shipped with the engine full of oil. After assembly, see page 8 for fuel and oil details. Handle Knob Saddle Washer Removing From Carton • • • Cut the corners of the carton and lay the sides flat on the ground. Remove all packing inserts. Move the snow thrower out of the carton. Make certain the carton has been completely emptied before discarding it.
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Final Adjustments IMPORTANT: Check the adjustments as instructed and make any final adjustments necessary before operating the unit. Check all nuts and bolts for tightness.Failure to follow these instructions may cause damage to unit. High Position Middle Position Low Position Tire Pressure (Pneumatic Tires) The tires are over-inflated for shipping purposes. Check tire pressure and reduce pressure, if needed, to 10-15 psi. Maintain equal pressure on both wheels of the snow thrower.
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SECTION 3: KNOW YOUR SNOW THROWER WARNING: Be familiar with all the controls on the snow thrower and their proper operation. Know how to stop the machine and disengage them quickly. • Compare Figure 6 with your equipment and follow description of controls, given below, to get familiar with their operation.
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SECTION 4: OPERATING YOUR SNOW THROWER Before Starting Engine Recoil Starter • Make sure that auger and drive controls are released. Attach spark plug wire to spark plug. • Turn fuel valve on, if so equipped. • Move throttle control to FAST position. • Push key into the ignition slot so that it snaps into place. Do not turn key. • Rotate choke control to FULL choke position. • Push primer button while covering the vent hole. Remove your finger from the primer between primes.
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• Before Stopping If your house wiring system is grounded and a three-hole receptacle is not available at the point the snow thrower starter will normally be used, one should be installed by a licensed electrician. • • NOTE: When connecting the power cord, always connect cord to starter on engine first, then plug the other end into a three-hole grounded 120 Volt receptacle. When disconnecting the power cord, always unplug the end from the three-hole, grounded receptacle first.
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• • • Operating Tips Allow the auger to remain engaged for approximately ten (10) seconds before releasing the auger control. Repeat this several times. With the engine running in the FAST position and the auger control in the disengaged “up” position, walk to the front of the machine. Confirm that the auger has completely stopped rotating and shows NO signs of motion. • • • IMPORTANT: If the auger shows ANY signs of rotating, immediately return to the operator’s position and shut off the engine.
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• • • • Skid Shoe Remove the self-tapping screw and press the tabs that secure the belt cover to the snow thrower housing. Pull the belt cover from around the engine and chute and keep it away. You can now access the auger cable. Tighten two hex nuts on the auger cable towards the spring to increase the tension on the auger belt. See Figure 7. Reassemble the belt cover. Start engine and verify auger control engages and disengages properly.
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• • • • • With engine on level ground, oil must be to FULL mark on dipstick. See Figure 10. Stop engine and wait several minutes before checking oil level. Remove oil fill cap and dipstick. Wipe dipstick clean, insert it into oil fill hole and tighten securely. Remove dipstick and check. If oil is not up to the FULL mark on dipstick, add oil. B A 8 . oz Read oil level AD D FU Service Spark Plug Clean spark plug and reset the electrode gap to 0.
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Replacing Belts • NOTE: There are two belts on this snow thrower: auger belt and drive belt. It is recommended that both belts be replaced at the same time. • • • • Tip the snow thrower up and forward so that it rests on the auger housing. Remove the spring that connects the transmission to a bolt on the engine frame. See Figure 15. Remove the spark plug wire from the spark plug and ground it against the engine.
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Off-Season Storage • • • WARNING: Never store engine with fuel in tank indoors or in poorly ventilated areas, where fuel fumes may reach an open flame, spark or pilot light as on a furnace, water heater, clothes dryer or other gas appliance. • Remove all debris from the exterior of equipment. Follow lubrication recommendations on page 11. Always store the snow thrower in a clean, dry area.
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SECTION 9: PARTS LIST FOR MODEL 3BA 11 13 12 10 14 9 6 6 4 2 7 17 19 18 5 A 15 8 1 B 33 6 31 28 A 4 B 21 20 24 3 35 34 32 23 3 16 3 30 26 25 Ref. No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Part No. 710-0449 710-0605 710-0726 712-04064 720-0284 725-0157 710-0224 736-0451 746-04007 746-04008 747-1161A 747-1214 749-1092A 749-04147 790-00053 618-04008 731-04162 710-0809 Description Carriage Screw 5/16-18 x 2.25” Mach. Screw 1/4-20 x 1.
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Model 3BA 23 4 16 16 7 27 12 6 11 13 3 2 5 8 9 14 10 15 Shown for reference only 21 18 17 22 1 24 20 26 28 19 25 Shown for reference only 29 16
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Model 3BA Ref. No. Part No. 1. 710-0654A 2. 710-0696 3. 710-1245B 4. — 5. 736-0242 6. 736-0247 7. 736-0331 8. 736-0505 9. 736-0507 10. 748-0360 11. 750-1355 12. 750-1356 13. 754-04013 14. 754-04014 15. 756-04024 16. 756-0569 17. 712-3000 18. 756-04035 19. 738-0281 20. 736-0174 21. 784-0434 22. 710-0520 23. 710-0456 24. 712-04063 25. 790-00075 26. 732-0611 27. 790-00064 28. 741-0309 29. 712-04065 Description TT Sems Screw 3/8-16 x 1.0” Hex Bolt 3/8-24 x 0.875” Lock Bolt 5/16-24 x 0.875” Engine Bell Washer,.
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Model 3BA 7 6 4 3 8 5 17 18 12 2 1 9 15 10 13 9 14 39 11 Shown for reference only 4 19 16 16 21 23 4 25 32 26 31 24 29 28 27 42 33 37 30 38 41 22 35 36 43 40 46 20 48 47 47 34 18 45 44
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Model 3BA Ref. No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. Part No. 684-04037 710-04071 710-0451 712-04063 720-0284 731-04388A 731-04426A 736-0159 712-04064 731-2636A 710-0134 731-2643 725-0157 731-2635 731-04353 710-0451 731-04127 732-04111 784-5580 731-04870 710-0726 738-04124 790-00117 750-04191 731-04218A Ref. No. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. Description Chute Assembly Carriage Bolt 5/16-18 x 1.
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MANUFACTURER’S LIMITED WARRANTY 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 possessions and territories. “MTD”warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in materials or workmanship.