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Toro 3318 Operator's Manual

Proline mid-size 18 hp traction unit
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FORM NO. 3318–700 Rev A
ProLine Mid-Size
18 HP
Traction Unit
Model No. 30183 – 790001 & UP
Operator's Manual
IMPORTANT: Read this manual carefully. It contains information about your
safety and the safety of others. Also become familiar with the controls and
their proper use before you operate the product.

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  • Page 1 FORM NO. 3318–700 Rev A ProLine Mid-Size 18 HP Traction Unit Model No. 30183 – 790001 & UP Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and...
  • Page 2 Read this manual carefully to learn how to operate and maintain your product correctly. Reading this All of us at Toro want you to be completely satisfied manual will help you and others avoid personal injury with your new product, so feel free to contact your and damage to the product.

  • Page 3: Table Of Contents

    Contents Page Page Starting and Stopping the Engine ..Safety ....... . . Operating Mower Blade Control (PTO) Safe Operating Practices .

  • Page 4: Safety

    Safety This machine meets or exceeds safety Note: This engine is NOT equipped with a requirements B71.4–1990 of the American spark arrester muffler. Use or operation National Standards Institute for commercial of this mower in the State of California mowers, in effect at time of production. However, on any forest-covered, brush-covered improper use or maintenance by the operator or or unimproved grass-covered land,...
  • Page 5 If major repairs are ever needed or if assistance is desired, contact your local Authorized TORO Before using, always visually inspect to see that Service Dealer. the blades, blade fasteners and cutter assembly are not worn or damaged.
  • Page 6 Perform only those maintenance instructions described in this manual. If major repairs are ever needed or if assistance is desired, contact your local Authorized TORO Service Dealer. Before mower is cleaned, inspected, serviced, or adjusted, stop engine and disconnect wire from spark plug.

  • Page 7: Slope Chart

    Safety Slope Chart Read all safety instructions on pages 2–7.

  • Page 9: Safety And Instruction Decals

    Safety 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.

  • Page 10: Gasoline And Oil

    Gasoline and Oil Recommended Gasoline Stabilizer/Conditioner Use UNLEADED Regular Gasoline suitable for Add the correct amount of gas stabilizer/conditioner automotive use (85 pump octane minimum). Leaded to the gas. regular gasoline may be used if unleaded regular is Keeps gasoline fresh during storage not available.

  • Page 11: Assembly

    Assembly Loose Parts Note: Use the chart below to verify all parts have been shipped. DESCRIPTION QTY. Upper handle Flanged bolt 3/8–16 x 1” (26 mm) Install upper handle to frame Flange nut 3/8–16 Shift lever Shift lever mounting bracket Install shift lever to transmission Washer 1/4”...

  • Page 12: Install Shift Lever

    Operator’s Manual Read before operating machine Engine Operator’s Manual Parts Catalog Registration card Fill out and return to Toro Install Shift Lever Align mounting block with flats of shaft on top of transmission and slide onto shaft (Fig. 1). Note: DO NOT remove rubber washer on transmission shaft.

  • Page 13: Mount Control Panel And Fuel Tank

    Assembly Mount Control Panel and Fuel Install Upper Handle Tank Align upper handle mounting holes with desired mounting holes in rear frame (upper or lower set Slide control panel over shift lever and under of holes) bottom of rear frame (Fig. 2). Align fuel tank to top of rear frame (Fig.

  • Page 14: Connect Throttle Cable

    Assembly Connect Throttle Cable Connect Choke Cable rearward until there is Position choke control until there is Place throttle control lever approximately 1/8” between lever and rear end approximately 1/8” between lever and rear end of slot in control base. of slot in control base.

  • Page 15: Connect Wire Harness

    Assembly Connect Wire Harness Route wire harness around right side of engine. Plug surface-mount plug into engine plug, in front of starter. Secure wire harness plug to Secure wire harness and throttle to upper handle engine with screws. (Fig. 8). with cable tie (Fig.

  • Page 16: Install Control Rods

    Assembly Install Control Rods Check the gap between upper control bar and fixed bar with wheel drive fully engaged. Gap should be approximately 1 to 1-1/4 in. Thread rod fittings equal distance onto each (25–32 mm) (Fig. 10). control rod. For a starting point thread on approximately 2 in.

  • Page 17: Installing The Battery

    Assembly Installing the Battery Check parking brake adjustment. Brake rods should be adjusted so parking brake lever is snug when swung into position against the fixed bar Mount battery holder and cutting unit carrier while pulling back on upper control bar frame at the same time to upper holes on right (Fig.

  • Page 18: Activate The Battery

    Assembly Activate the Battery Position battery onto holder with terminal posts away from the engine (Fig. 13). Bulk electrolyte with 1.260 specific gravity must be Slide the red terminal boot onto the red battery purchased from a local battery supply outlet. able and the black terminal boot onto the the black battery cable (Fig.

  • Page 19: Fill Crankcase With Oil

    Assembly Open covers to see into the cells. Slowly pour electrolyte into each cell until the level is up to the lower part of the tube (Fig. 14). POTENTIAL HAZARD Charging battery produces gasses. WHAT CAN HAPPEN Battery gasses can explode. HOW TO AVOID THE HAZARD Keep cigarettes, sparks and flames away from battery.

  • Page 20: Operation

    Operation Think Safety First Ignition Switch – Key switch is part of battery and ignition systems and has three positions: OFF, RUN and START. The key automatically returns to RUN Please carefully read all the safety instructions and position from START position when released after symbols in the safety section.

  • Page 21: Parking Brake

    Operation Parking Brake Always set the parking brake when you stop the machine or leave it unattended. Setting the Parking Brake Pull the upper control bar (Fig. 17) rearward and hold it in this position. Lift the parking brake lock (Fig. 17) up and gradually release the upper control bar.

  • Page 22: Starting And Stopping The Engine

    Operation Starting and Stopping the Engine Starting Make sure spark plug wire(s) are installed on spark plug(s) and fuel valve is open. Move the shift lever to neutral, set the parking brake. m–2130 Move engine speed control to half way (Fig. 18). Figure 18 1.

  • Page 23: Operating Mower Blade Control (Pto)

    Operation Operating Mower Blade The Safety Interlock System Control (PTO) Understanding the Safety Interlock System The blade control switch (PTO) in conjunction with the blade control bail engages and disengages power The safety interlock system is designed to prevent the to the electric clutch and mower blades.

  • Page 24: Driving Forward Or Backward

    Operation Driving Forward or Backward Backward To go backward, move the shift lever to reverse The throttle control regulates the engine speed as gear. measured in rpm (revolutions per minute). Place the throttle control in the “FAST” position for best Release the parking brake: refer to Releasing the performance.

  • Page 25: Maintenance

    Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Oil—check level Oil—change* Oil Filter–change (200 hours or every other oil change) Safety System—check Brake—check Wheel Bearings—grease* Transmission Couplings—grease* Foam Air Cleaner—service* Paper Air Cleaner—replace* Spark Plug(s)—check Belts—check for wear/cracks Electric Clutch–Adjust Battery–check electrolyte...

  • Page 26: Air Cleaner

    Maintenance Air Cleaner Cleaning the Foam and Paper Elements Foam Element Service Interval/Specification A. Wash the foam element in liquid soap and Foam Element: Clean and re-oil after every 25 warm water. When the element is clean, operating hours. rinse it thoroughly. Paper Element: Replace after every 100 operating B.

  • Page 27: Engine Oil

    Maintenance Engine Oil Paper Element A. Lightly tap the element on a flat surface to Service Interval/Specification remove dust and dirt (Fig. 23). Change oil: B. Inspect the element for tears, an oily film, and damage to the rubber seal. After every 100 operating hours.
  • Page 28 Maintenance Checking Oil Level Changing/Draining Oil Park the machine on a level surface, disengage Start the engine and let it run five minutes. This the power take off (PTO), set the parking brake, warms the oil so it drains better. and turn the ignition key to “OFF”...

  • Page 29: Spark Plug

    Maintenance Change Oil Filter Spark Plug Service Interval/Specification Service Interval/Specification Replace the oil filter every 200 hours or every other Check the spark plug(s) after every 200 operating oil change. hours. Make sure the air gap between the center and side electrodes is correct before installing the spark Note: Change oil filter more frequently when...

  • Page 30: Greasing And Lubrication

    Maintenance Checking the Spark Plug Greasing and Lubrication Look at the center of the spark plug(s) (Fig. 28). Service Interval/Specification If you see light brown or gray on the insulator, the engine is operating properly. A black coating Grease the wheel bearings every 8 operating hours on the insulator usually means the air cleaner is and the transmission couplers every 200 operating dirty.

  • Page 31: Cleaning The Cooling System

    Maintenance Tire Pressure Lubricate the transmission couplers (Fig. 30). Service Interval/Specification Maintain the air pressure in the front and rear tires as specified. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Fig. 31). Check the tires when they are cold to get the most accurate pressure reading.

  • Page 32: Brake

    Maintenance Brake Adjusting the Brake The brake lever is on the upper control bar (Fig. 16). Service Interval/Specification If the parking brake does not hold securely, an adjustment is required. Before each use, check brakes for proper operation. Check the brake before you adjust it; refer to Always set the parking brake when you stop the Checking the Brake, page 30.

  • Page 33: Fuel Tank

    Maintenance Fuel Tank Draining The Fuel Tank POTENTIAL HAZARD In certain conditions gasoline is extremely flammable and highly explosive. m–1717 WHAT CAN HAPPEN Figure 33 A fire or explosion from gasoline can burn you, others, and cause property damage. 1. Fuel shut-off valve 2.

  • Page 34: Fuel Filter

    Maintenance Fuel Filter Replacing the Drive Belt Service Interval/Specification Service Interval/Specification Replace the fuel filter after every 200 operating hours Check all belts after every 50 operating hours or or yearly, whichever occurs first. monthly, whichever occurs first. Look for dirt, wear, cracks and signs of overheating.

  • Page 35: Replacing The Traction Belt

    Maintenance Replacing the Traction Belt Adjust Electric Clutch Loosen pivot bolt enough to remove traction belt The clutch is adjustable to ensure proper engagement from the drive pulley and clutch. and proper braking. Check adjustment after every 100 hours of operation. Install new belt around clutch and drive pulley.

  • Page 36: Battery

    Maintenance Battery Service Interval/Specification Check the electrolyte level in the battery before each use. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda.
  • Page 37 Maintenance Checking Electrolyte Level Charging the Battery With the engine off, open the hood. IMPORTANT: Always keep the battery fully charged (1.260 specific gravity). This is Open covers to see into the cells. The electrolyte especially important to prevent battery must be up to the lower part of the tube damage when the temperature is below 32 F (Fig.

  • Page 38: Wiring Diagram

    Maintenance Wiring Diagram m–1546...

  • Page 39: Cleaning And Storage

    Maintenance Cleaning and Storage 40 F (4 C). If the temperatures will be above 40 F (4 C), check the water level in the battery and charge it every 30 days. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to Check the tire pressure;...

  • Page 40: Troubleshooting

    Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine will not start, starts hard, or Fuel tank is empty. Fill fuel tank with gasoline. f il t k fails to keep running. Choke is not ON. Move choke lever to ON. Air cleaner is dirty. Clean or replace air cleaner element.
  • Page 41 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Machine does not drive. Shift lever is in NEUTRAL. Move shift lever to a drive gear position. Traction belt is worn, loose or Change Belt. broken. Traction belt is off pulley. Change Belt.

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