Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty OPERATOR’S MANUAL Model 235, S235 Single-Stage Snow Thrower 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, brushcovered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state l
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. Table of Contents Safety Labels...............................................pg. Safe Operation Practices............................pg. Setting Up Your Snow Thrower...................pg. Know Your Snow Thrower...........................pg. Operating Your Snow Thrower....................pg. Adjustments & Maintenance...
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2 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.
Operation Maintenance & Storage 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. 3. The control levers must operate easily in both directions and automatically return to the disengaged position when released. 4.
3 NOTE: This Operator’s Manual covers several models. Snow thrower features vary by model. Not all features discussed in this manual are applicable to all snow thrower models. 1 NOTE: All references to left or right side of the snow thrower is from the operating position only Setup And Adjustment Contents of Carton Carton contents are listed below with part numbers in parentheses. 1. Two Ignition Keys (725-0201) 2 2. 2.6 oz Bottle of 2 Cycle Oil (737-04037) 3.
4 Auger Control Electric Starter Button Starter Handle Key Fuel Cap Primer Chute Assembly Know Your Snow Thrower Spark Plug Access Chute Handle Choke Lever Shave Plate Auger Figure 4-4 Auger Choke Lever OFF CHOKE ON When engaged, the augers rotation draws snow into the auger housing and throws it out the chute assembly. Rubber paddles on the augers also aid in propelling the unit as they come in contact with the pavement.
5 Electric Starter Button (if equipped) Operation Starter Handle Key Primer Spark Plug Access Fuel Cap Chute Assembly Choke Lever Chute Knob WARNING Read, understand, and follow all instructions and warnings on the machine and in this manual before operating. Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Never fuel the machine indoors or while the engine is hot or running. Extinguish cigarettes, cigars, pipes and other sources of ignition.
4. If your home electrical system is grounded, but a three-hole receptacle is not available, one should be installed by a licensed electrician before using the electric starter. To help prevent possible freeze-up of starter, proceed as follows: 1. Run engine for a few minutes before stopping to help dry off any moisture on the engine. 5. If you have a grounded three-prong receptacle, proceed as follows. 2. Wipe all snow and moisture from the carburetor cover in the area of the control levers.
6 Adjustments & Maintenance Adjusting Shave Plate Side View NOTE: On new units or units with a new shave plate installed, the augers may be slightly off the ground. Figure 6-1 WARNING 2. To adjust, tip the snow thrower back so that it rests on the handle. Loosen the four lock nuts and bolts which secure the shave plate to the housing. See Figure 6-1. Move the shave plate to desired position and retighten the nuts and bolts securely.
Remove the belt cover by removing five hex screws. See Figure 6-3. Then simply pull the belt off by grasping it from the bottom of the auger pulley and pulling off. Once you remove the belt from the pulleys, you can push down on the idler pulley to release the belt from under the belt keeper. Idler Pulley To replace the belt follow these instructions and refer to Figure 6-4: 1. Push down on the Idler pulley. 2. Put belt on top of the auger pulley, under belt keeper. 3. Thread belt around engine pulley.
7 Off-Season Storage WARNING Never store snow thrower 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 gas appliance. Drain fuel into an approved container outdoors, away from any open flame. Be certain engine is cool. Do not smoke. Fuel left in engine during warm weather deteriorates and will cause serious starting problems.
Problem Engine fails to start Possible Cause(s) Solution 1. 2. 3. 4. 5. 6. Fuel tank empty, or stale fuel Improper fuel mixture Blocked fuel line Key not in ON position Spark plug wire disconnected Faulty spark plug 7. Engine not primed 8. Engine flooded from excessive priming Engine runs erratic 1. Unit running on choke 2. Fuel line blocked, or stale fuel 3. Water or dirt in fuel system 4.
Model S235 15 6 7 32 4 14 1 11 3 13 45 8 23 46 12 33 31 30 41 Determine drive pulley system by measuring this hole.
9 Model S235 Part List: REF NO. PART No. 1 629-0236† 2 DESCRIPTION Qty. REF NO. PART No. DESCRIPTION Qty. Extension Cord 1 26 710-0352 Screw, 1/4-14 x .375 6 710-0627 Hex Screw, 5/16-24 x .75 1 27 684-04227 Auger Assembly Housing 21” 1 3 710-1003† Screw, #10-16 x .
Model S235 32 19 33 22 17 15 21 20 6 4 5 7 3 34 13 2 1 35 10 14 30 27 29 9 31 36 23 27 16 29 4 24 18 11 8 25 12 26 27 5 28 16
Model S235 REF NO. PART NUMBER DESCRIPTION Qty. 1 684-04127 Chute Assembly 1 2 710-04071 Carriage Bolt 5/16-18 x 1.0” 1 3 710-0451 Carriage Bolt 5/16-18 x 0.750” 1 4 712-04063 Flange Lock Nut, 5/16-18 7 5 720-04072 Star Knob, 5/16-18 2 6 731-04388A Chute Handle 1 7 731-04426A Upper Chute 1 8 736-0119 Lock Washer, 5/16 1 9 710-04532 Carriage Screw, 5/16-18 x 2.0 Gr.
NOTES: 18
NOTES: 19
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.