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MTD 3AA Operator's Manual

Bolens two-stage snow thrower operator's manual
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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR'S MANUAL
Two-Stage Snow Thrower – Models 3AA & 3BA
IMPORTANT
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
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.
FORM NO. 769-00747D
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
05/2005
PRINTED IN U.S.A.

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  • Page 1 Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty OPERATOR’S MANUAL Two-Stage Snow Thrower – Models 3AA & 3BA IMPORTANT READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION 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).

  • Page 2: Table Of Contents

    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. Please read and understand what it says. 1. Safety Labels ... 3 2. Safe Operation Practices ... 4 3.

  • Page 3: Safety Labels

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  • Page 4: Safe Operation Practices

    DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can Safe result in serious injury. This machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death.
  • Page 5 Operation 1. Do not put hands or feet near rotating parts, in the auger/impeller housing or chute assembly. Contact with the rotating parts can amputate hands and feet. 2. The auger/impeller control lever is a safety device. Never bypass its operation. Doing so makes the machine unsafe and may cause personal injury.

  • Page 6: Setting Up Your Snow Thrower

    IMPORTANT: This unit is shipped with the engine full of oil. After assembly, see page 9 for fuel and oil details. Setup And NOTE: Reference to right, left, front or rear of the unit is Adjustment from the operating position unless otherwise stated. 1.

  • Page 7: Skid Shoe

    High Position Middle Position Low Position Figure 4 Drive Cable Cable Ties Auger Cable Figure 5 Figure 6 Skid Shoe The space between the shave plate and the ground can be adjusted. Refer to Figure 7 for location of shave plate and skid shoes.

  • Page 8: Know Your Snow Thrower

    Compare Figure 7 with your equipment and follow description of controls, given below, to get familiar with their operation. Know Your Snow Gasoline Cap Thrower Upper Chute Chute Assembly Clean-Out Tool WARNING Be familiar with all the controls on the snow thrower and their proper operation.

  • Page 9: Operating Your Snow Thrower

    Before Starting Engine Engine Oil The engine is shipped with oil in it. Check the oil level before first use. 1. Stop engine and wait several minutes before checking oil level. Remove oil fill cap and dipstick. 2. Wipe dipstick clean, insert it into oil fill hole and tighten securely.

  • Page 10: Electric Starter

    Electric Starter Some models of the snow thrower may be equipped with an optional 120 volt A.C. electric starter. This electric starter, with a three-wire power cord and plug, is designed to operate on 120 volt AC household current. Follow the steps below to use the electric starter. Operation Cold Start: 1.

  • Page 11: Operating Tips

    WARNING: Do not over-tighten the cable. Over-tightening may prevent the auger from disengaging and compro- mise the safety of the snow thrower. 2. In a well-ventilated area, start the snow thrower engine as instructed earlier in this section under the heading Starting Engine.

  • Page 12: Adjustments & Maintenance

    General Recommendations 1. Always observe safety rules when performing any maintenance. 2. The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the war- Maintenance ranty, operator must maintain the snow thrower as instructed in this manual.

  • Page 13: Drive Belt

    Plastic Tab Figure 11 Auger Belt Engine Pulley Drive Belt Figure 12 Flange Lock Nut Spring Drive Pulley Drive Belt Figure 13 Replacing Belts NOTE: There are two belts on this snow thrower: an auger belt and drive belt. It is recommended that both belts be replaced at the same time.

  • Page 14: Off-Season Storage

    If the snow thrower will not be used for 30 days or longer, or if it is the end of the snow season when the last possibility of snow is gone, the equipment needs to be stored properly. Follow storage instructions below to ensure top performance from the snow thrower for many more years.

  • Page 15: Troubleshooting

    Problem Possible Cause(s) Engine fails to start 1. Fuel tank empty, or stale fuel 2. Blocked fuel line 3. Key not snapped in place 4. Spark plug wire disconnected 5. Faulty spark plug 6. Engine not primed 7. Engine flooded from excessive priming Engine runs erratic 1.

  • Page 16: Parts List

    Part List: Dual Stage Snow Thrower For parts and/or accessories please call 1-800-800-7310, or 1-330-220-4683. www.mtdproducts.com...
  • Page 17 PART DESCRIPTION NUMBER 684-04037 Chute Assembly 710-04071 Carriage Bolt 5/16-18 x 1.0” 710-0451 Carriage Bolt 5/16-18 712-3068 Flange Lock Nut, 5/16-18 720-0284 Wing Nut 5/16-18 (black) 720-04032 Wing Nut 5/16-18 (yellow) 731-04388A Chute Handle 731-04426A Upper Chute 736-0159 Flat Washer .349 x .879 x .063 731-04127 Lower Chute 731-04353...
  • Page 18 15 31...
  • Page 19 PART DESCRIPTION NUMBER 710-0449 Carriage Screw 5/16-18 x 2.25” 710-0605 Mach. Screw 1/4-20 x 1.825” 710-1260A Screw, 5/16-18 x .75” 712-04064 Flange Lock Nut 1/4-20 720-0284 Nut Knob 5/16-18 (Black) 720-04032 Nut Knob 5/16-18 (Yellow) 725-0157 Cable Tie 746-04256 Drive Cable 746-04236 Auger Cable 747-1161A...

  • Page 20: Warranty

    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 posses- sions 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.

This manual is also suitable for:

3ba

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