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Toro ProLine 30188 Operator's Manual

Mid-size 16 hp hydro traction unit
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FORM NO. 3319–278GB
ProLine Mid-Size
16 HP Hydro
Traction Unit
Model No. 30188 – 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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Summary of Contents for Toro ProLine 30188

  • Page 1 FORM NO. 3319–278GB ProLine Mid-Size 16 HP Hydro Traction Unit Model No. 30188 – 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.
  • 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 Safety ....... . . The Safety Interlock System .

  • Page 4: Safety

    Safety Training Add fuel before starting the engine. Never remove the cap of the fuel tank or add petrol while the engine is running or when the engine is Read the instructions carefully. Be familiar with hot. the controls and the proper use of the equipment. If petrol is spilled, do not attempt to start the Never allow children or people unfamiliar with engine but move the machine away from the area...

  • Page 5: Maintenance And Storage

    Use extreme caution when reversing or pulling after striking a foreign object. Inspect the the lawnmower towards you. lawnmower for damage and make repairs before restarting and operating the lawnmower; 10. Stop the blade(s) if the lawnmower has to be tilted for transportation when crossing surfaces if lawnmower starts to vibrate abnormally (check other than grass, and when transporting the...

  • Page 6: Slope Chart

    Safety Slope Chart Read all safety instructions on pages 2–8.
  • Page 7 Safety...

  • Page 8: Symbols Glossary

    Safety Symbols Glossary Fire, open light & smoking Safety alert triangle– symbol within triangle prohibited indicates a hazard Fire or open flame Safety alert symbol Explosion Read operator’s manual Consult technical manual Do not dispose of lead for proper service procedures battery in garbage Shut off engine &...
  • Page 9 Safety Symbols Glossary Do not open or Engage parking brake when remove safety shields machine is parked on slope while engine is running Thrown or flying objects, Machine rollover, whole body exposure riding mower Thrown or flying objects, To operate machine on a whole body exposure slope, use with 16kg weight kit &...
  • Page 10 Safety Symbols Glossary Power take off (PTO) Fast Engage Slow Continously variable, linear Disengage On/Run Traction drive Off/stop Lock Engine start Unlock Engine stop Forward Choke Reverse Brake system Neutral First gear Parking brake Counterclockwise Second gear rotation Third gear Battery Fourth gear Fuel...

  • Page 11: 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. Using a stabilizer/conditioner in the regular gasoline may be used if unleaded regular is machine: not available.

  • Page 12: Assembly

    Operator’s Manual Engine Operator’s Manual Read before operating machine Parts Catalog Registration card Fill out and return to Toro Install Wheels Mount wheels to wheel motor hubs with (8) lug nuts Torque bolts to 55 ft. lbs. (75 N (Fig. 1).

  • Page 13: Install Muffler Guard

    Assembly Install Muffler Guard Install Upper Handle Remove screws securing muffler to engine and Align upper handle with mounting holes in rear exhaust pipe to muffler (Fig. 3). frame (Fig. 3). Select high, medium or low position for lower mounting hole. Slide muffler guard over muffler and secure with previously removed engine screws (Fig.
  • Page 14 Assembly Right Control Rod Push rod full forward until bearing is against control bracket stop. Thread rod in or out of Slide rod into control bracket and secure with fitting on control bracket until rod aligns with hairpin cotter (Fig. 5). holes in upper control bars (Fig.
  • Page 15 Assembly Adjust Tracking 13. After completing assembly check machine tracking. Operate machine by holding upper control bar against reference bar with wheel drive engaged. 14. If machine does not track straight, moves more right or left, adjustment is required. 15. Loosen wing nut on right control rod and rotate turnbuckle in or out to change tracking.

  • Page 16: Operation

    Operation Think Safety First Parking Brake – (Right side of handle) Controls the brake so unit does not move when standing still or transported. Please carefully read all the safety instructions and symbols in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury.

  • Page 17: 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 brake lever rearward and latch in the detent position (Fig. 7). Releasing the Parking Brake Pull rearward and move lever toward machine to unlatch, then move brake lever forward to release parking brake (Fig.

  • Page 18: Starting And Stopping The Engine

    Operation Starting and Stopping the Engine Starting Set the parking brake: refer to Setting the Parking Brake, page 15. Make sure spark plug wire(s) are installed on spark plug(s) and fuel valve is open. m–3065 Move the choke control to “CHOKE” position Figure 8 before starting a cold engine.

  • Page 19: 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 20: Driving Forward Or Backward

    Operation Driving Forward or Backward To turn, release pressure on the upper control bar side toward the direction you want to turn (Fig. 10). The Enhanced T–Bar control system is designed to provide easy and comfortable operation of the To go straight, apply equal pressure to both sides hydrostatic drive.

  • Page 21: Neutral

    Operation Backward To go backward, slowly pull the control bar rearward (Fig. 10). POTENTIAL HAZARD Someone could move or attempt to operate To go straight, apply equal pressure to both ends the machine while it is unattended. of the upper control bar (Fig. 10). WHAT CAN HAPPEN Children or bystanders may be injured if To turn, release pressure on the upper control bar...

  • Page 22: Pushing The Machine By Hand

    Operation Pushing the Machine by Hand The by–pass valve also allows the machine to be pushed by hand with the engine not running for easier servicing. If the by–pass valve is opened to push the machine by hand, adjustment is required for operation.

  • Page 23: Maintenance

    Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Hydraulic fluid–check level Initial Oil—check level Oil—change* Initial Oil Filter–change (100 hours or every other oil change) Hydraulic filter–change Initial Safety System—check Foam Air Cleaner—service* Paper Air Cleaner—replace* Spark Plug(s)—check Belts—check for wear/cracks Electric Clutch–adjust...

  • Page 24: Air Cleaner

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

  • Page 25: Engine Oil

    Maintenance Engine Oil Paper Element A. Lightly tap the element on a flat surface to Change oil: remove dust and dirt (Fig. 14). After the first 8 operating hours. B. Inspect the element for tears, an oily film, and damage to the rubber seal. After every 50 operating hours.
  • Page 26 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) and turn the ignition warms the oil so it drains better. key to “OFF”...

  • Page 27: Spark Plug

    Maintenance Change Oil Filter Spark Plug Replace the engine oil filter every 100 hours or every Check the spark plug(s) after every 200 operating other 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 plug.

  • Page 28: Cleaning The Cooling Systems

    Maintenance Checking the Spark Plug Cleaning the Cooling Systems Look at the center of the spark plug(s) (Fig. 19). Before each use, check and clean hydraulic and If you see light brown or gray on the insulator, engine cooling systems. Remove any build–up of the engine is operating properly.

  • Page 29: Tire Pressure

    Maintenance Tire Pressure Fuse Service Interval/Specification Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. The electrical system is protected by a fuse. It Check the pressure at the valve stem after every 50 requires no maintenance, however, if the fuse blows operating hours or monthly, whichever occurs first check component/circuit for malfunction or short.

  • Page 30: Fuel Tank

    Maintenance Fuel Tank POTENTIAL HAZARD In certain conditions gasoline is extremely flammable and highly explosive. WHAT CAN HAPPEN A fire or explosion from gasoline can burn m–3095 you, others, and cause property damage. Figure 23 HOW TO AVOID THE HAZARD 1.

  • Page 31: Fuel Filter

    Maintenance Fuel Filter Hydraulic System Checking the Hydraulic Fluid Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Check the hydraulic fluid level before engine is first started and after every 8 operating hours. Replacing the Fuel Filter Fluid Type: Mobilube 424 (ISO 68) or equivalent Never install a dirty filter if it is removed from the anti–wear hydraulic fluid.
  • Page 32 Maintenance Replacing the Hydraulic Filter Apply a thin coat of new oil to the rubber gasket on the replacement filter (Fig. 27). Change the hydraulic filter: Install replacement hydraulic filter onto the filter After the first 8 operating hours. adapter. Turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then After every 200 operating hours.

  • Page 33: Adjusting By-Pass Valve

    Maintenance Bleeding Hydraulic System Adjusting By-pass Valve The traction system is self bleeding, however, it may The by–pass valve is adjustable to ensure easy be necessary to bleed the system if fluid is changed or operation with a variety of deck sizes. If the front of after work is performed on the system.
  • Page 34 Maintenance Adjustment Procedure The by–pass valve should be adjusted to deliver best performance for the size (weight) mower you have. The by–pass valve factory setting is 1/2 turn out. The following values can be used as initial settings for different size mowers: 62”...

  • Page 35: Replacing The Traction Belt

    Maintenance Replacing the Traction Belt Adjusting the Electric Clutch Check traction drive belt for wear after every 50 The clutch is adjustable to ensure proper engagement hours of operation. and proper braking. Check adjustment after every 100 hours of operation. Raise the front of the machine and hold with jack stands.

  • Page 36: Adjusting Neutral

    Maintenance Adjusting Neutral If wheels turn when control bar is in neutral, adjustment is required Raise rear of the machine so wheels are off the ground and support with jack stands. m–3071 POTENTIAL HAZARD Figure 31 Someone could move or attempt to operate 1.

  • Page 37: Wiring Diagram

    Maintenance Wiring Diagram...

  • Page 38: Hydraulic Diagram

    Maintenance Hydraulic Diagram...

  • Page 39: Cleaning And Storage

    Maintenance Cleaning and Storage For long-term storage (more than 90 days) add stabilizer/conditioner additive to fuel in the tank (1 oz. per gallon). Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. A.

  • 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 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. Hydrostatic fluid level low. Fill hydrostatic fluid tank. Traction belt is worn, loose or Change Belt. broken. Traction belt is off pulley. Change Belt. Machine does not drive up hills or By-pass valve is adjusted too Adjust by-pass valve inclines.

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