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Operator’s Manual
Snow Thrower
Model H660G
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
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
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TABLE OF CONTENTS Content Page Important Safe Operation Practices ........................................................................ 3 Assembling Your Snow Thrower ............................................................................. 5 Know Your Snow Thrower....................................................................................... 6 Operating Your Snow Thrower ................................................................................ 8 Making Adjustments ........
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SECTION 1: IMPORTANT SAFE OPERATION PRACTICES 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. WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain o
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5. Never run an engine indoors or in a poorly ventilated MAINTENANCE AND STORAGE area. Engine exhaust contains carbon monoxide, an 1. Never tamper with safety devices. Check their proper odorless and deadly gas. operation regularly. Refer to the maintenance and 6. Do not operate machine while under the influence of adjustment sections of this manual. alcohol or drugs. 2. Before cleaning, repairing or inspecting machine 7. Muffler and engine become hot and can cause a burn. Do disengage
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SECTION 2: ASSEMBLING YOUR SNOW THROWER Loose Parts The augers are secured to the auger shaft with two Upper shear bolts and hex lock nuts. If you hit a foreign object Shift Rod or ice jam, the snow thrower is designed so that the Shift Rod bolts may shear. Two replacement shear bolts and nuts Connector are provided for your convenience. Store in a safe place until needed. See Figure 1. Lower Shear Bolts Hex Lock Shift Rod Nuts Wing Nuts Figure 1 Assembly Figure 3 WARNING: Disconnect sp
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IMPORTANT: The cable should have very little slack, but Unwrap the headlight wire, which is attached to the should NOT be tight. An overtightened cable may headlight beneath the handle panel. prohibit the auger and drive from disengaging. Wind the headlight wire around the right handle until excess slack is removed. WARNING: Over-tightening the cable may Plug the wire from the headlight into the wire lead prohibit the auger and drive from disengaging coming from the right side of the e
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Shift Lever Traction Control / Clean-out Chute Tilt Auger Control Lock Tool Control Heated Handles Switch Headlight Auger Drive Control Discharge Chute Spark Plug Choke Primer Chute Directional Control Recoil Starter Handle Closed Ignition Key Skid Shoe Open Auger Fuel Shut-Off Valve Throttle Control Figure 7 Heated Handles Switch Ignition Key The heated handles switch is located on the right side The ignition key must be inserted in the switch in order of the snow thrower handle panel. To act
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SECTION 4: OPERATING YOUR SNOW THROWER Recoil Starter: Before Starting Rotate choke knob to FULL choke position (cold engine start). WARNING: Read, understand, and follow If engine is warm, place choke in OFF position all instructions and warnings on the machine instead of FULL. and in this manual before operating. Push primer button three or four times for cold The spark plug wire was disconnected for safety. engine start. DO NOT use primer to restart a warm Attach spark plug wire
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Push primer button two or three times for cold Squeeze the auger contro l and the augers will turn. engine start, making sure to cover vent hole in Release it and the augers will stop. primer button when pushing. DO NOT use primer to Squeeze traction contro l and the snow thrower will restart a warm engine after a short shutdown. move. Release it and unit will stop. Never move Push starter button to start engine. shift lever without releasing traction control. When engine starts, re
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Handle Auger Control Drift Cutters (Optional Equipment) Panel Lever Drift cutters should be used when operating the snow thrower in heavy drift conditions. On models so equipped, drift cutters are assembled to the auger housing inverted. Remove the carriage bolts by unthreading the hex nuts which secure them, and reinstall the drift cutters in their proper position before operating the snow thrower. See Figure 10. “Z” Fitting Jam Nut Make Sure Cable Is Straight Figure 9 Drift Cutter
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SECTION 5: MAKING ADJUSTMENTS WARNING: NEVER attempt to make any Frame Cover adjustments while the engine is running, except where specified in the operator’s manual. Tire Pressure (Pneumatic Tires) The tires are over-inflated for shipping purposes. Before operating, check tire pressure and reduce, if necessary, to between 15 psi and 20 psi. NOTE: If the tire pressure is not equal in both tires, the unit may pull to one side or the other. Traction Control and Shift Lever To check the adj
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Adjust skid shoes by loosening the four hex nuts Shift Rod and carriage bolts and moving skid shoes to To adjust the shift rod, proceed as follows. desired position. Make certain the entire bottom Remove the hairpin clip and slide the shift rod surface of skid shoe is against the ground to avoid connector up, to separate the upper shift rod from uneven wear on the skid shoes. Retighten nuts and the lower shift rod. See Figure 13. bolts securely. Place the shift lever in to the sixth
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Both Wheels Driving: Insert the click pin through IMPORTANT: Never operate the snow thrower with the the hole in the hub of the rim and the inside hole on click pin inserted through both the rim and the outside the snow thrower’s right axle. This position is good hole in the axle. Doing so can result in serious damage for heavy snow as there is power drive in both to the drive system. wheels. SECTION 6: MAINTAINING YOUR SNOW THROWER Auger Shaft WARNING: Before servicing, repairing or inspect
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Traction Control / Auger Control Lock hours of operation. The cams can be accessed beneath the handle panel. Use a multi-purpose automotive The cams on the ends of the control rods which grease. interlock the traction drive and auger drive controls must be lubricated at least once a season or every 25 SECTION 7: SERVICE WARNING: Before servicing, repairing, or inspecting, disengage all clutch levers and stop engine. Wait until all moving parts have come to a complete stop. Disconnect spar
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Belt Friction Cover Wheel Self-Tapping Screws Support Bracket Rear Auger Frame Belt Figure 20 Roll the front and rear auger belts off the engine pulley. See Figure 21. Front Auger Support Drive Rear Auger Pulley Bracket Auger Belt Auger Belt Engine Spring Idler Pulley Housing Pulley Spring Front Auger Figure 22 Idler Belt Drive Belt Pulley Follow steps 1 through 4 of previous instructions. Pull idler pulley up, and lif t belt off engine pulley and friction wheel disc. See Figure 21. B
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Lightly tap the hex nut to dislodge the ball bearing Changing Friction Wheel Rubber from the right side of frame. Remove the hex nut The rubber on the friction wheel is subject to wear and and bell washer from left end of shaft. should be checked after 25 hours of operation, and Slide the gear shaft to the right and slide the friction periodically thereafter. Replace the friction wheel wheel assembly from the shaft. rubber if any signs of wear or cracking are found as Remove the fo
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Remove all dirt from exterior of engine and NOTE: Fuel stabilizer is an acceptable alternative in equipment. minimizing the formation of fuel gum deposits during Follow lubrication recommendations on page 13. storage. Do not drain carburetor if using fuel stabilizer. NOTE: When storing any type of power equipment in Wipe equipment with an oiled rag to prevent rust. an poorly ventilated or metal storage shed, care should Remove spark plug and pour one ounce of engine be taken to rustpro
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SECTION 10: PARTS LIST 68 57 58 55 27 72 53 70 72 73 80 65 69 27 82 64 71 9 27 68 24 83 74 61 63 59 11 58 67 69 23 27 66 54 49 81 56 76 31 77 45 78 62 79 60 11 75 52 9 29 15 51 13 40 46 13 47 5 8 2 5 14 17 20 24 22 10 14 21 3 11 50 9 40 18 41 16 12 4 1 26 25 31 11 15 43 19 9 48 35 37 39 7 38 28 18
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Model H660G Ref. Ref. Part No. Part Description Part No. Part Description No. No. 1. 684-0008A Shift Arm Assembly 47. 746-0901 Control Cable 2. 710-0458 Carriage Bolt 5/16-18 x 1.75” 48. 736-0119 Lock Washer 5/16 3. 710-0449 Carriage Bolt 5/16-18 x 2.25” 49. 732-0746 Torsion Spring 4. 710-0788 TT Screw 1/4-20 x 1” 50. 784-5594 Cable Bracket 5. 710-0837 C-Sunk Screw #10-16x 0.625” 51. 784-5604 Handle: Chute Tilt 7. 710-1880 Hex Screw 5/16-18 x.75” 52. 629-1094 Harness Assembly: Upper 8. 711-0677
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Model H660G 27 1 39 38 Drive Clutch Cable Auger Clutch Cable 5 4 37 13 30 7 45 6 40 3 4 30 2 14 26 15 5 36 16 44 20 7 9 10 11 25 31 12 28 23 41 17 8 18 4 32 24 1 22 1 33 21 30 42 29 5 8 34 Auger Clutch Cable 43 19 35 46 51 51 49 1 1 47 50 48 20
