Toro Snow Commander Service Manual
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Toro Snow Commander Service Manual

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TORO SNOW COMMANDER SERVICE MANUAL
Table of Contents – Page 1 of 2
GENERAL INFORMATION
INTRODUCTION
ENGINE
IDENTIFICATION AND ORDERING
GENERAL SAFETY INSTRUCTIONS (REPRODUCED FROM OPERATOR'S MANUAL
SAFETY
SAFE OPERATING PRACTICES
TRAINING
PREPARATION
OPERATION
MAINTENANCE AND STORAGE
TORO SNOWTHROWER SAFETY
SAFETY AND INSTRUCTION DECALS
FUEL AND OIL REQUIREMENTS
MIXING GASOLINE AND OIL
FILLING THE FUEL TANK
OFF-SEASON STORAGE
EMPTYING THE FUEL TANK
STORAGE
PREPARING THE FUEL SYSTEM
PREPARING THE ENGINE
PREPARING THE SNOWTHROWER
CONTROLS LOCATION & OPERATION
OPERATING CONTROLS
STARTING THE ENGINE
STOPPING THE ENGINE
STARTING THE ROTOR BLADES
STOPPING THE ROTOR BLADES
STARTING THE TRACTION DRIVE
STOPPING THE TRACTION DRIVE
ADJUSTING THE DISCHARGE CHUTE
CHUTE HANDLE
CHUTE CRANK
UPPER SHROUD REMOVAL
SNOW COMMANDER CHUTE HANDLE SYSTEM
CHUTE CRANK SYSTEM
GEAR LASH ADJUSTMENT
GEAR ASSEMBLY REPAIR
ENGINE REMOVAL / INSTALLATION
ASSEMBLY
RECOIL STARTER ACCESS
ASSEMBLY

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Summary of Contents for Toro Snow Commander

  • Page 1 TORO SNOW COMMANDER SERVICE MANUAL Table of Contents – Page 1 of 2 GENERAL INFORMATION INTRODUCTION ENGINE IDENTIFICATION AND ORDERING GENERAL SAFETY INSTRUCTIONS (REPRODUCED FROM OPERATOR'S MANUAL SAFETY SAFE OPERATING PRACTICES TRAINING PREPARATION OPERATION MAINTENANCE AND STORAGE TORO SNOWTHROWER SAFETY...
  • Page 2 TORO SNOW COMMANDER SERVICE MANUAL Table of Contents – Page 2 of 2 DRIVE SYSTEM OPERATION DRIVE SYSTEM DISASSEMBLY DRIVE SYSTEM ASSEMBLY ROTOR BEARING REPLACEMENT ASSEMBLY ROTOR CABLE REPLACEMENT ELECTRIC START SYSTEM OPERATION TROUBLESHOOTING SYSTEM DISASSEMBLY ASSEMBLY SWITCH BOX REPAIR...
  • Page 3 TORO ® Snow Commander Service Manual...
  • Page 4 ABOUT THIS MANUAL This service manual was written expressly for Toro servicing dealers. The Toro Company has made every effort to make the information in this manual complete and correct. This manual was written with the assumption that the reader has basic mechanical knowledge and skills.

  • Page 5: Table Of Contents

    Toro Snowthrower Safety ........
  • Page 6 Snow Commander Chute Handle System ....... . 2 - 3...
  • Page 7 Lubrication ............7 - 11 Snow Commander Service Manual...
  • Page 8 THIS PAGE INTENTIONALLY LEFT BLANK Snow Commander Service Manual...

  • Page 9: General Information

    R tek engine (Figure 1). The main Figure 2 DSC-0037 difference between the standard R tek and the version used on the Snow Commander is in the piston and (A) Ports cylinder. The piston has two additional square ports (Figure 2), which line up with two grooves machined in the cylinder wall (Figure 3).

  • Page 10: Identification And Ordering

    8111 Lyndale Ave. S. additional information, contact an Authorized Service Bloomington, MN 55420 Dealer or Toro Customer Service and have the model Phone: 1-800-348-2424 and serial numbers of your product ready. Figure 1 illustrates the location of the model and serial numbers Follow the instructions to contact the parts dept.

  • Page 11: Safety

    The following instructions have been adapted from the wear safety glasses or eye shields while operating, ANSI/OPEI B71.3–1995 standard and the ISO adjusting, or repairing the snowthrower. 8437:1989 standard. Information or terminology specific to Toro snowthrowers is enclosed in Operation parenthesis. Training •...

  • Page 12: Maintenance And Storage

    Open the outside doors; exhaust fumes are dangerous. The following list contains safety information specific to Toro products or other safety information that you must • Do not clear snow across the face of slopes. know.

  • Page 13: Safety And Instruction Decals

    Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 104-4106 (Recoil-start model only) 61-4790 (Electric-start model only) 104-0863 (Electric-start model only) 104-4125 104-0874 104-4135 104-2767 104-2775 Snow Commander Service Manual 1 - 5...

  • Page 14: Fuel And Oil Requirements

    A In certain conditions, gasoline is extremely fuel stabilizer/conditioner works best when you mix it with fresh gasoline. If you use Toro 50:1 2-Cycle Oil flammable and highly explosive. A fire or explosion from gasoline an burn you and others (Fuel Stabilizer Added), you do not need to add a fuel and cause property damage.

  • Page 15: Filling The Fuel Tank

    GENERAL INFORMATION Add the full amount of Toro 50:1 2-Cycle Oil (Fuel Remove the key from the switch. Stabilizer Added) or an equivalent high grade, NMMA TCW-certified two-cycle oil to the gasoline DANGER according to the chart below: Gasoline is highly flammable; it can ignite and 50:1 Gasoline-to Oil Ration Mixing Chart cause serious personal injury.

  • Page 16: Preparing The Fuel System

    Tighten all loose screws, bolts, and locknuts. fuel tank as directed. Repair or replace any damaged parts. NOTE: If you use Toro 50:1 2-Cycle (Fuel Stabilizer Clean the snowthrower thoroughly. Added), you do not need to add a fuel stabilizer/ conditioner.

  • Page 17: Controls Location & Operation

    In extremely cold temperatures, repeat this step if necessary. Note: Take off your glove when you push in the primer so that air cannot escape from the primer hole. Snow Commander Service Manual 2 - 1...

  • Page 18: Starting The Rotor Blades

    To stop the traction drive, partially release the control and the snowthrower. bar until the rotor blades lift off the ground, disengaging the traction drive. Releasing the control bar completely stops both the traction drive and the rotor blades. 2 - 2 Snow Commander Service Manual...

  • Page 19: Chute Crank

    Remove the fuel cap, lift the upper shroud off, and replace the fuel cap. Snow Commander Chute Handle System Some Snow Commander models were equipped with a manual chute system. As with the others, the component parts are all plastic to eliminate the need for lubrication and reduce icing.

  • Page 20: Chute Crank System

    Reassembly is the reverse of disassembly. Chute Crank System The chute crank handle goes through hole in the control panel support (Figure 11). Figure 12 1854-19 (A) Shaft and Push Nut 2 - 4 Snow Commander Service Manual...

  • Page 21: Gear Lash Adjustment

    Remove the chute rod from the face gear. Remove the 4 capscrews referred to in Figure 13. The gear assembly can be lifted out and the gears replaced. Figure 13 0621-0077 (A) Capscrews Snow Commander Service Manual 2 - 5...
  • Page 22 THIS PAGE INTENTIONALLY LEFT BLANK 2 - 6 Snow Commander Service Manual...

  • Page 23: Engine Removal / Installation

    ENGINE REMOVAL / INSTALLATION The Snow Commander engine sits in a cradle which is Remove the two screws in the carburetor cover, bolted to the frame. It is best to remove the cradle and slide the cover to the left to disengage the tabs on separate it from the engine after removing them as an the right side (Figure 17).
  • Page 24 (Figure 23). Make a note of this distance as it will be needed during assembly. On electric start models, remove three screws connecting the switch box to the control panel support (Figure 21). 3 - 2 Snow Commander Service Manual...
  • Page 25 26). They are on studs, so it will not be necessary to try to hold the bolt head. Figure 26 3428-0251 Figure 24 3428-0246 11. Remove the engine pulley. Loosen 2 set screws and pull the pulley straight off (Figure 25). Snow Commander Service Manual 3 - 3...

  • Page 26: Assembly

    When the engine is correct, the gap should be .030” (.762mm) (Figure 30). NOTE: If this check is not done, the choke lever may hang up on the shroud. Figure 28 3428-0247 3 - 4 Snow Commander Service Manual...

  • Page 27: Recoil Starter Access

    90 - 120 in. lbs. (1016 - 1355 removing the engine from the chassis: N·cm). Process: Remove the chute and upper shroud (refer to “Upper Shroud Removal” on page 2 - 3). Snow Commander Service Manual 3 - 5...

  • Page 28: Assembly

    (Figure 32). It then must run under the fuel tank up to the left rear mount for the fuel tank (Figure 33), then up to the switch box. Assure that the wires will not rub on the starter rope or other moving objects. 3 - 6 Snow Commander Service Manual...

  • Page 29: Drive System

    This action provides a self- Figure 36 0621-0083 propelling action by the rotor blades as well as cleaning down to the surface (Figure 38). (A) Belt Brake (C) Idler (B) Pivot Figure 38 3428-0229 Snow Commander Service Manual 4 - 1...

  • Page 30: Drive System Disassembly

    The belt system is now fully exposed (Figure 40). to stop the rotor from turning (Figure 42), allowing the capscrew to be removed from the rotor pulley (Figure 43). The rotor pulley is removed by pulling straight off. 4 - 2 Snow Commander Service Manual...
  • Page 31 3428-0272 Figure 45 3428-0237 Remove upper shroud, refer to “Upper Shroud Removal” on page 2 - 3. The idler pulley is secured to the idler/brake arm with a capscrew and locknut (Figure 44). Snow Commander Service Manual 4 - 3...

  • Page 32: Drive System Assembly

    Loctite brand. Figure 47 3428-0243 Replace nylon rollers if worn or damaged. One is retained by a cap nut (Figure 48). Use side cutters to remove it, and replace with a new cap nut. 4 - 4 Snow Commander Service Manual...

  • Page 33: Rotor Bearing Replacement

    (Figure 50). If it is Figure 51 3428-0273 installed backwards, it will not rotate when tightened down. Torque the shoulder bolt to 170 - 250 in. lbs. (1920 - 2824 N·cm). Figure 50 3428-0245 (A) Hub Snow Commander Service Manual 4 - 5...

  • Page 34: Assembly

    Assemble in reverse order. Note the locations of the special thrust washers (Figure 53). Figure 55 3428-0198 Figure 53 (A) Bearing Retainer (D) Ball Bearing (B) Flat Washer (E) Thrust Washer (C) Rubber Washer (F) Bearing Flange 4 - 6 Snow Commander Service Manual...

  • Page 35: Electric Start System

    (Figure 57). NOTE: For clarity, the switch box has been removed and opened. Normally, this test would be done with the machine fully assembled. Figure 58 3428-0228 Snow Commander Service Manual 5 - 1...

  • Page 36: Assembly

    This will make it easier to line up the motor and start the rear mounting screw. Figure 60 3428-0249 5 - 2 Snow Commander Service Manual...

  • Page 37: Switch Box Repair

    The plug store.) Replacing only one half of the connection will terminal, switch, and the wire harness/starter motor. likely result in a repeat failure. Snow Commander Service Manual 5 - 3...

  • Page 38: Switch

    At no time should there be continuity between the diagonal terminals. Assemble in reverse order. To install the wires in the switch merely push them into the holes. The jaws will grab them. Figure 66 3428-0270 5 - 4 Snow Commander Service Manual...

  • Page 39: Starter Pinion Replacement

    Refer to "System Disassembly" on page 5 - 1. C D E Figure 70 3428-0266 (A) & (B) Pinion Assembly (D) Spring (C) Pinion Stop (E) Lock Ring Snow Commander Service Manual 5 - 5...

  • Page 40: Assembly

    (Figure 72). Figure 72 3428-0265 Slip the starter motor back into place. Loosely install the front/top mounting screw. then tip the machine forward to install the bottom screw. Tighten both mounting screws. 5 - 6 Snow Commander Service Manual...

  • Page 41: Chassis

    There is a hinge point at the front that the engine push nut. Use a new push nut to secure the wheel. and rotor assembly pivots on (Figure 75). Figure 75 3428-0208 Snow Commander Service Manual 6 - 1...

  • Page 42: Pivot Cable Replacement

    When the operator engages the bail, the cable that runs down the right-hand handle causes the pivot Figure 78 mvc-492 assembly to rotate and move the engine and rotor frame (Figure 77). Figure 77 3428-0199 (A) Pivot Cable 6 - 2 Snow Commander Service Manual...

  • Page 43: Maintenance

    Move the left side of the control bar back toward (A) Rotor Control Cable (C) Handle the handle until you remove the slack in the cable (B) Control Bar (Figure 79 and "m-5065" on page 7 - 1). Snow Commander Service Manual 7 - 1...

  • Page 44: Adjusting The Rotor Control Cable

    Install the spring cover over the cable adjuster. Hook the spring into the hole in the center of the control bar bracket as shown in Figure 81. Check the adjustment ("Checking the Rotor Control Cable" on page 7 - 1). 7 - 2 Snow Commander Service Manual...

  • Page 45: Adjusting The Pivot Cable

    Stop the engine and wait for all moving parts to stop. Squeeze the control bar toward the handle. Figure 83 m-5056 (A) Pivot Plate (D) 0 to 1/8 in. (0 to 3mm) (B) Pivot Cable Adjuster (C) Z-fitting (E) Wheel Frame Snow Commander Service Manual 7 - 3...

  • Page 46: Adjusting The Pivot Cable

    Remove the four Torx screws and the four locknuts that secure the outer edges of the rotor blade to the rotor assembly (Figure 85). 7 - 4 Snow Commander Service Manual...

  • Page 47: Installing The New Rotor Blades

    Install the rotor blades with the thick rubber layer on the inside of the curve. (Figure 86). If you do not install the rotor blades properly, they will wear more quickly and may vibrate excessively. Snow Commander Service Manual 7 - 5...

  • Page 48: Replacing The Scraper

    1 through 3 of “Replacing the Spark Plug” center of the plug are dark or have deteriorated spark (below). plug - NGK BPMR4A or equivalent. Tip the snowthrower backward onto its handle. 7 - 6 Snow Commander Service Manual...

  • Page 49: Replacing The Drive Belt

    1 through 3 of "Replacing the Spark Plug" Figure 89 on page 7 - 6. m-5062 (A) Shroud (B) Spark Plug Wire Clean any debris from around the base of the spark plug. Remove the spark plug (Figure 89). Snow Commander Service Manual 7 - 7...
  • Page 50 10. Install the left rotor guard. 11. Install the drive belt cover. Tighten the fasteners securely, but do not overtighten. NOTE: Install the diamond-shaped washer as shown in Figure 91 and Figure 93. 7 - 8 Snow Commander Service Manual...

  • Page 51: Checking The Tire Pressure

    4. The spark plug is pitted, fouled, or the 4. Check the spark plug and adjust the gap gap is incorrect. if necessary. Replace the spark plug if it is pitted, fouled, or cracked. Snow Commander Service Manual 7 - 9...
  • Page 52 3. Push forward on the handle, but allow too slippery. the snowthrower to work at its own pace. Rotor blades do not 1. The rotor control cable is improperly 1. Adjust the rotor control cable. stop properly adjusted. 7 - 10 Snow Commander Service Manual...

  • Page 53: Specifications (General)

    MAINTENANCE SPECIFICATIONS (General) Item Description Engine Mfg. The Toro Company 141cc E series (R tek) Fuel Mix Ratio 50:1 Spark Plug BPMR4A or equivalent Fuel Capacity 1.2 US quart (1.1 l) Weight 113 lbs. (51.4 kg) (recoil start) 115 lbs. (52.3 kg) (electric start) Width 24.3”...
  • Page 54 THIS PAGE INTENTIONALLY LEFT BLANK 7 - 12 Snow Commander Service Manual...
  • Page 56 492-4739...

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