Two-Stage Snow Thrower Operator's Manual

ManualsBrandsMTD ManualsSnow Blower380

Two-Stage

Snow Thrower

Model 380

PRINTED IN U.S.A.

Operator’s Manual

FORM NO

769-00747.fm

(6/2003)

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)

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Operator’s Manual Two-Stage Snow Thrower Model 380 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 Page Important Safe Operation Practices ............................................................................3 Assembling Your Snow Thrower .................................................................................5 Know Your Snow Thrower...........................................................................................7 Operating Your Snow Thrower ....................................................................................
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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 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 • Loosen the handle knob, saddle washer and saddle bracket on each side of the handle. See Figure 1. • Hold both control bails against the upper handle and pull up as shown in Figure 1. Make sure that the upper handle locks over the lower handle and the saddle brackets align with the handle. You may have to carefully manouever the upper handle to clear the discharge chute. CAUTION: Be careful not to bend or kink the cables.
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Tire Pressure (Pneumatic Tires) • The tires are over-inflated for shipping purposes. Check and reduce tire pressure, if needed, to 10-15 psi. Maintain equal pressure on both wheels of the snow thrower. • WARNING: Maximum tire pressure under any circumstance is 15 psi. Equal tire pressure should be maintained at all times.
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SECTION 3: KNOWING 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 5 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 • Engine Oil The engine is shipped with oil in it. Check the oil level before first use. For subsequent fill-ups, use the grade of engine oil specified in engine manual. • • 1. Remove the dipstick from the oil fill. Pour fresh oil slowly through the plug. Replace dipstick. 2. Check and make sure that the level of oil is up to the FULL mark on the dipstick.
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• Recoil Starter a. With the engine running, pull the starter rope with a rapid, continuous full arm stroke three or four times. 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. Electric Starter (if equipped) a. Connect power cord to switch box, then to 120 Volt AC receptacle. b.
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NOTE: Your unit is equipped with a clutch in the transmission. If the wheels stop turning while trying to discharge large volumes of snow, immediately disengage the drive control bail and allow the rotating augers to discharge snow from the housing. Reduce the clearing width and continue operation. • Cleaning The Discharge Chute The chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip.
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Engine • Listed below are general recommendations about maintaining your snow thrower engine. For further details, refer to the accompanying engine manual. • Check Oil Level • • • Service Spark Plug • • • Before operating snow thrower, check the oil level. With engine on level ground, oil must be to FULL mark on dipstick. See Figure 7. Stop engine and wait several minutes before checking oil level. Remove oil fill cap and dipstick.
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• • Reassemble new shave plate, making sure heads of the carriage bolts are to the inside of the housing. Reinstall skid shoe. Tighten securely. Replace with new belt after replacing the drive belt. Follow instructions below to replace the drive belt. Engine Pulley Shear Bolt Hex Lock Nut Auger Belt Auger Pulley Washer Idler Bracket Figure 11 Carriage Bolt Hex Nut Carriage Bolt Shave Plate Drive Belt Hex Nut Skid Shoe NOTE: Replace the drive belt before reassembling the new auger belt.
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Servicing Augers • The augers are secured to the spiral shaft with two shear bolts and hex lock nuts. If you hit a foreign object or ice jam, the snow thrower is designed so that the bolts may shear. Refer to Figure 9. • If the augers do not turn, check if the bolts have sheared. Two replacement shear bolts and hex lock nuts have been provided with the snow thrower. Refer to Loose Parts in the Assembly Section. • Remove belt cover by pressing the tabs that secure it to the snow thrower housing.
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SECTION 8: TROUBLESHOOTING Problem Engine fails to start Possible Cause 1. 2. 3. 4. 5. 6. Remedy Fuel tank empty, or stale fuel Blocked fuel line Choke not ON Faulty spark plug Key not in ignition switch Spark plug wire disconnected 7. Primer not used properly Engine runs erratic 1. Unit running at FULL choke 2. Blocked fuel line or stale gasoline 3. Water or dirt in fuel system 1. 2. 3. 4. 5. 6. Fill tank with fresh gasoline. Clean the fuel line. Turn Choke knob to ON position.
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SECTION 9: PARTS LIST FOR MODEL 380 11 13 12 10 9 6 4 14 2 19 18 39 5 A 15 8 1 B 33 22 6 31 28 38 A B 3 7 21 22 20 24 29 34 17 16 25 Part No. 710-0449 710-0605 710-0643 712-0324 720-0284 725-0157 736-0119 736-0451 746-04007 746-04008 747-1161A 747-1214 749-1092A 749-1532 790-00053 618-04008 710-0643 710-0809 710-1652 711-1364 Description Carriage Screw 5/16-18 x 2.25” Mach. Screw 1/4-20 x 1.825” Hex Bolt 5/16-18 x 1.
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Model 380 4 16 16 7 12 6 11 13 3 2 5 8 9 14 10 15 Shown for reference only 21 18 17 22 1 24 23 19 20 26 28 25 27 Shown for reference only 29 16
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Model 380 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. 736-0119 24. 712-3010 25. 05931A 26. 732-0611 27. 712-3068 28. 741-0309 29. 712-0431 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.
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Model 380 7 6 4 8 3 12 2 8 5 9 1 15 10 13 9 14 39 11 Shown for reference only 17 18 19 16 22 16 21 23 20 25 32 26 24 29 28 31 30 27 42 33 34 37 38 41 48 43 35 36 51 46 40 44 45 47 48 49 50 52 18
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Model 380 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. 26. 27. Part No. 684-04037 710-04071 710-0451 712-3068 720-0284 731-04388 731-04426 736-0159 712-3027 731-2636 710-0134 731-2643 725-0157 731-2635 831-060000 710-0451 712-3010 736-0242 784-5580 712-3004A 710-0726 736-0242 — 750-04191 731-04218 717-1772 715-0114 Description Chute Assembly Carriage Bolt 5/16-18 x 1.0” Carriage Bolt 5/16-18 x 0.
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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 LLC warrants this product against defects 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.