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).
TABLEOFCONTENTS Content Page Important Safe Operation Practices ............................................................................ 3 Assembling Your Snow Thrower ................................................................................. 5 Know Your Snow Thrower ........................................................................................... 7 Operating Your Snow Thrower ....................................................................................
SECTION1: IMPORTANTSAFEOPERATION PRACTICES ,_ WARNING: This and/or symbol property points out safety instructions which, notinstructions followed, could the personal safety of important yourself and others. Read and followif all in thisendanger 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.
5. Never runanengine indoors orinapoorlyventilated 2. Before cleaning, repairing, or inspecting machine area.Engine exhaust contains carbon monoxide, an disengage all levers and stop the engine. Wait until the odorless anddeadly gas. auger/impeller come to a complete stop. Disconnect the 6. Donotoperate machine whileundertheinfluence of spark plug wire and ground against the engine to prevent alcohol ordrugs. unintended starting. 7. Muffler andengine become hotandcancause aburn.Do 3.
SECTION2: ASSEMBLING YOURSNOWTHROWER IMPORTANT: This unit is shipped with engine oil but without gasoline in the engine. After assembly, see page 8 for fuel and oil fill-up details. RemovingFromCarton Cut the corners of the carton and lay the sides flat on the ground. Remove all packing inserts. Remove (i) plastic bag (containing owner's manual, two ignition keys and two pairs of replacement auger shear bolt and lock nut), and (ii) electric extension cord (optional).
Tire Pressure(PneumaticTires) 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 tireEqual pressure under any circumstance is 15 psi. tire pressure should be maintained at all times.
SECTION3: KNOWING YOURSNOWTHROWER _hb 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.
SECTION4: OPERATING YOURSNOWTHROWER BeforeStartingEngine RecoilStarter Make sure that the auger control bail and the drive control bail are released. Move throttle control to FAST position. Push key into the ignition slot so that it snaps into place. Do not turn key. Remove plastic bag and keep the second key in a safe place. Rotate choke control to FULL choke position. Push the primer button while covering the vent hole. Remove your finger from the primer between primes.
Ifyourhousewiringsystemisgroundedanda three-hole receptacle isnotavailableatthepoint thesnowthrowerstarterwillnormallybeused,one shouldbeinstalledbya licensedelectrician. NOTE: When connecting the power cord, always Recoil Starter a. With the engine running, pull the starter rope with a rapid, continuous full arm stroke three or four times. Electric Starter (if equipped) a. Connect power cord to switch box, then to 120 Volt AC receptacle. b.
NOTE: Your unit is equipped with a clutch in the transmission. If the wheels stop tuming 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 TheDischarge Chute The chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip.
When engine is drained of all oil, replace drain plug securely. Remove the dipstick from the oil fill. For location of the oil fill, see Figure 5. Pour fresh oil slowly through the plug. Replace dipstick. Check and make sure that the level of oil is up to the FULL mark on the dipstick. Engine Listed below are general recommendations about maintaining your snow thrower engine. For further details, refer to the accompanying engine manual. CheckOil Level Before operating snow thrower, check the oil level.
Reassemble newshaveplate,makingsureheads ofthecarriageboltsaretotheinsideofthehousing. Reinstall skidshoe.Tightensecurely. Shear Bolt Carriage Replace with new belt after replacing the drive belt. Follow instructions below to replace the drive belt. /Auger Belt __ Figure 11 Bolt Bolt Nut DriveBelt arnage Plate / SI_Z V Hex Nut NOTE: Replace the drive belt before reassembling the new auger belt. Shoe Tip the snow thrower up and forward so that it rests on the auger housing.
Remove belt cover by pressing the tabs that secure it 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 13. Reassemble the belt cover. ServicingAugers The augers are secured to the spiral shaft with two shear bolts and hex lock nuts.
SECTION8: TROUBLESHOOTING Problem Engine fails to start Possible Cause Remedy 1. 2. 3. 4. 5. 6. 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 1. 2. Unit running at FULL choke Blocked fuel line or stale gasoline 3. Water or dirt in fuel system Engine loses power 1. 2. Spark plug wire loose Gas cap vent hole plugged 1. 2. Connect spark plug wire.
SECTION9: PARTSLISTFORMODEL380 19 39 \ \ I I Ref. No. Pad No. Ref. No. 21. 712-0324 Description Hex Lock Nut 1/4-26 710-0605 22. 712-0703A Nut Insert 710-0449 2. Description Pad No. Carriage Screw 5/16-18 x 2.25" Mach, Screw 1/4-20 x 1,825" 1. 3. 710-0643 Hex Bolt 5/16-18 x 1,0" 23. 714-0474 Cotter Pin 4. 712-0324 Hex Lock Nut 1/4-20 24. 714-0507 Cotter Pin 5. 720-0284 715-0249 Roll Pin 6. 725-0157 Handle Knob Assembly Cable Tie 25. 26. 717-04066 Pinion 14T 7.
Model380 16 \ 3 J J J Shown for reference only-_,,_ I" • "_ I I \ 28 26 Shown for reference only 16 1
Model380 Ref. No. PaN No. 1. 710-0654A Description TT Sems Screw 3/8-16 x 1.0" 2. 710-0696 Hex Bolt 3/8-24 x 0,875" 3. 710-1245B Lock Bolt 5/16-24 x 0,875" 5. 736-0242 Engine Bell Washer 6. 736-0247 Flat Washer 7. 736-0331 Bell Washer 8. 736-0505 Flat Washer 4. 9. 736-0507 Special Washer 10. 748-0360 Pulley: Adapter 11. 750-1355 Spacer 12. 750-1356 13. 754-04013 Spacer V-Belt 14. 754-04014 V-Belt 15. 756-04024 Auger Pulley 16. 756-0569 17.
Model380 27 36 18
Model380 Re& No. PaN No. Re& No. Description 1, 684-04037 Chute Assembly 2, 710-04071 Carriage Bolt 5/16-18 x 1,0" 3, 710-0451 4, 712-3068 5, 720-0284 6, 731-04388 7, 731-04426 8, PaN No.
MANUFACTURER'S LIMITED WARRANTY 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.