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Summary of Contents for Toro 39496
- Page 1 Form No. 3360-616 Rev A Commercial Walk-Behind Mower with Floating Deck, T-Bar, Hydro with 40in or 48in TURBO FORCE ® Cutting Unit Model No. 39496—Serial No. 280000001 and Up Model No. 39498—Serial No. 280000001 and Up Register at www.Toro.com. Original Instructions (EN)
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Page 2: Table Of Contents
Whenever you need service, genuine Toro parts, or Contents additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 Introduction..............2 identifies the location of the model and serial numbers Safety ................ - Page 3 Starting and Stopping the Engine ......14 Servicing the Cutting Blades ....... 44 Operating the Mower Blade Control Correcting the Mower Quality of Cut ....46 (PTO) ............15 Frame Set Up ............. 46 The Safety Interlock System........ 16 Checking the Mower Deck Front-to-Rear Driving Forward or Backward......
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Page 4: Safety
Safety – Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke. Note: The addition of attachments made by – Never refuel or drain the machine indoors. other manufacturers that do not meet American National Standards Institute certification will cause •... -
Page 5: Toro Mower Safety
The following list contains safety information specific to Toro products and other safety information you must • Keep nuts and bolts tight, especially the blade know. - Page 6 • Use only genuine replacement parts to ensure that original standards are maintained. • Check brake operation frequently. Adjust and service as required.
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Page 7: Slope Chart
Slope Chart... -
Page 8: Safety And Instructional Decals
Safety and Instructional 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. 98-0776 43-8480 98-5954 66-1340 Battery Symbols Some or all of these symbols are on your battery 1. - Page 9 Manufacturer’s Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 104-8186 110-2067 104-8569 110-2068 105-7798 1. Read the Operator’s Manual. 106-0635 112-8720 106-0699...
- Page 10 115-4212 115-4186 1. Hydraulic oil level 3. Warning—do not touch 1. Interval the hot surface. 2. Power Take-off (PTO) 2. Read the Operator’s 3. Parking brake Manual. 4. Neutral 5. Operator presence switch 6. Battery 115–4179 1. Move the motion control lever to the neutral position, then pull 6.
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Page 11: Product Overview
114-3424 1. Traction control 5. Reverse 3. Slow 2. Fast 4. Neutral 6. Disengage the PTO (Power Take Off) Product Overview Figure 3 1. Ignition switch 6. Choke 2. Left motion control lever 7. Neutral lock position for right motion control lever Figure 2 3. -
Page 12: Specifications
Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Specifications Note: Specifications and design are subject to change without notice. Figure 4 40 inch mowers: 1. -
Page 13: Operation
Operation In certain conditions during fueling, static Adding Fuel electricity can be released causing a spark which can ignite the gasoline vapors. A fire Use Unleaded Regular Gasoline suitable for or explosion from gasoline can burn you and automotive use (85 pump octane minimum). Leaded others and can damage property. -
Page 14: Checking The Engine Oil Level
Important: Do not use fuel additives If the parking brake does not hold securely, adjust it. containing methanol or ethanol. Refer to Servicing the Parking Brake. Add the correct amount of gas stabilizer/conditioner to the gas. Note: A fuel stabilizer/conditioner is most Children or bystanders may be injured if they effective when mixed with fresh gasoline. -
Page 15: Operating The Mower Blade Control (Pto)
Operating the Mower Blade Note: A warm or hot engine may not require choking. To start a warm engine, move throttle Control (PTO) control midway between the fast and slow positions. The blade control switch (PTO) is used in conjunction with the right side motion control lever to engage and disengage the mower blades. -
Page 16: The Safety Interlock System
The Safety Interlock System 8. Move or release the right side motion control lever into the neutral lock position. The blades should stop rotating. 9. Move the right side motion control lever to the center, un-locked position. If safety interlock switches are disconnected or damaged the machine could operate 10. -
Page 17: Stopping The Machine
Pushing the Machine by Hand To stop, pull the motion control levers back to the neutral position. The by-pass valves allow the machine to be pushed by hand without the engine running. Important: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. -
Page 18: Side Discharging Or Mulching The Grass
law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets or bystanders avoid injury. Without the grass deflector, discharge cover, or complete grass catcher assembly mounted To transport the machine: in place, you and others are exposed to blade 1. -
Page 19: Adjusting The Anti-Scalp Rollers
Figure 12 1. Mower deck 4. Anti-Scalp Rollers 2. Bolt 5. Nut 3. Spacer Figure 11 1. Carrier Frame 4. Spacers 2. Hairpin Cotter 5. Front height-of-cut post 3. Back height-of-cut post Adjusting the Anti-Scalp Rollers The anti-scalp rollers need to be adjusted in the proper hole location for each height-of-cut position. -
Page 20: Positioning The Flow Baffle
• Use in dry conditions. • Allows increased ground speed in heavy conditions. • For smaller grass clippings. • Propels grass clippings farther away from the • This position is similar to the benefits of the Toro mower. SFS mower. -
Page 21: Using The Mid-Size Weight
Using the Mid-Size Weight Weights are installed on certain mowers to improve balance and improve performance. The weights can be moved or removed to create optimized performance under different mowing conditions and for operator preference (Figure 18 or Figure 19). The following table indicates the position of the weight as installed at the factory. - Page 22 Figure 19 Installing the rear weight. 1. Nut 3. Washer 2. Weight 4. Bolt...
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Page 23: Maintenance
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. • Check the hydraulic fluid level. After the first 8 hours •... -
Page 24: Lubrication
Lubrication Greasing the PTO Drive Belt Idler and Mower Deck Belt Grease with No. 2 general purpose lithium base or Idler molybdenum base grease. Service Interval: Every 50 hours How to Grease Every 50 hours 1. Disengage the PTO and set the parking brake. Grease the idler pulley pivots (Figure 21). -
Page 25: Engine Maintenance
Engine Maintenance Servicing the Air Cleaner Service Interval/Specification Foam element: Clean it after every 25 operating hours. Paper element: Check it after every 50 operating hours. Replace it after every 200 operating hours or yearly, which ever comes first. Inspect the foam and paper elements and replace them if they are damaged or excessively dirty. -
Page 26: Servicing The Engine Oil
Installing the Foam and Paper Elements 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating Important: To prevent engine damage, always position. operate the engine with the complete foam and 4. -
Page 27: Servicing The Spark Plugs
3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 26). 4. Install the replacement oil filter to the filter adapter, turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 3/4 turn (Figure 26). -
Page 28: Fuel System Maintenance
Fuel System 4. Clean around the spark plugs to prevent dirt from falling into the engine and potentially causing Maintenance damage. 5. Remove the spark plugs and the metal washers. Draining the Fuel Tank Checking the Spark Plugs Service Interval: Every 100 hours 1. -
Page 29: Servicing The Fuel Filter
Figure 29 1. Fuel shut-off valve 2. Clamp Figure 30 1. Hose clamp 3. Filter 2. Fuel line Servicing the Fuel Filter 5. Remove the filter from the fuel lines. Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. -
Page 30: Electrical System Maintenance
Electrical System Maintenance Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, Servicing the Battery resulting in personal injury. Check the electrolyte level in the battery every 25 hours. •... - Page 31 Figure 32 1. Vent caps 3. Lower line 2. Upper line 2. If the electrolyte is low, add the required amount of distilled water; refer to Adding Water to the Battery in , page . Adding Water to the Battery The best time to add distilled water to the battery is just before you operate the machine.
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Page 32: Servicing The Fuses
Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 32°F (0°C). 1. Remove the battery from the chassis; refer to Removing the Battery. 2. Check the electrolyte level; refer to Checking the Electrolyte Level. -
Page 33: Drive System Maintenance
Drive System Maintenance Adjusting the Tracking 1. If the machine does not track straight, adjustment is required. 2. Check the rear tire pressure. Refer to Checking the Tire Pressure. 3. Loosen the wing nuts on the right control rod and Figure 36 rotate the turnbuckle in or out to ensure the right side control lever is centered in the neutral lock... -
Page 34: Servicing The Caster Wheel And Bearings
to ensure correct installation, and to maintain a level deck. 4. Insert a pin punch into the mounting tube and carefully drive out the bushings (Figure 38). Clean the inside of the mounting tube. Figure 39 1. Locknut 4. Spanner Bushing 2. -
Page 35: Cooling System Maintenance
Cooling System 2. Tighten the lock nuts until there is slight binding on the feeler gauge but it can be moved easily within the Maintenance air gap (Figure 40). 3. Repeat this for the remaining slots. Cleaning the Air Intake Screen 4. -
Page 36: Brake Maintenance
Brake Maintenance 9. Tighten the top and bottom jam nuts (Figure 41). 10. Check the brake operation again; refer to Checking the Brake. Servicing the Brake Before each use, check brakes on both a level surface and slope. Always set the parking brake when you stop the machine or leave it unattended. -
Page 37: Belt Maintenance
Belt Maintenance Replacing the Mower Belt Service Interval: Every 50 hours Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. -
Page 38: Adjusting The Pto Drive Belt Idler Spring Anchor
11. Adjust the belt guide an 1/8 inch (3 mm) from the belt (Figure 43). 12. Install the belt covers onto the cutting unit and secure the latches. 13. Install the carrier frame cover onto the carrier frame and secure the latches. Figure 44 1. -
Page 39: Controls System Maintenance
Controls System Maintenance Adjusting the Motion Control Handle Positions Adjusting the Right Side Motion Control Lever If the motion control levers do not align horizontally, adjust the right side motion control lever. Note: Adjust the horizontal alignment before the front to back alignment. - Page 40 Figure 48 1. Right side motion control 3. 1/8 inch (3mm) gap lever pivot shown under needed between switch controls and control lever 2. Right side motion control 4. Switch lever Figure 47 Adjusting the Neutral Postion for the 1. Cam 4.
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Page 41: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System Checking the Hydraulic Fluid Service Interval: After the first 8 hours Every 25 hours Check the hydraulic fluid level as follows: • Check the hydraulic fluid level before engine is first started. Figure 49 •... - Page 42 5. Remove cap from filler neck. Look inside to check Change the hydraulic filter as follows: the fluid level in the reservoir. (Figure 51). • After the first 8 operating hours. 6. Add fluid to the reservoir until it reaches the cold •...
- Page 43 After every 100 operating hours, check hydraulic lines and hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather and chemical deterioration. Make necessary repairs before operating. Note: Keep areas around hydraulic system clean from grass and debris build up. Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
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Page 44: Mower Deck Maintenance
Mower Deck Maintenance Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. A worn or damaged blade can break, and a piece of the blade could be thrown into the operator’s or bystander’s area, resulting in serious personal injury or death. - Page 45 To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.
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Page 46: Correcting The Mower Quality Of Cut
Installing the Blades must be 1-5/16 inch (33 mm), plus or minus a 1/4 inch (6 mm). 1. Install the blade onto the spindle shaft (Figure 56). 5. If the height at location A is not correct, adjustment Important: The sail part of the blade must be is needed. -
Page 47: Checking The Mower Deck Front-To-Rear Pitch
(Figure 61). Move spacers from top or bottom to make the correct pitch. 6. The tire pressure may also be adjusted slightly to make an 1/8-3/8 inch (3 -10 mm) pitch. Checking the Carrier Frame Side-to-Side Height The carrier frame needs to be parallel side-to-side from the ground. -
Page 48: Changing The Mower Deck Front-To-Rear Pitch
2. Position one blade front-to-rear. Measure at A and 2. To raise the front of the deck, loosen jam nut and B locations from a level surface to the cutting edge rotate the front pin clockwise (Figure 64). of the blade tips (Figure 63). 3. -
Page 49: Matching Height Of Cut
Matching Height of Cut 1. Check the rear tire pressure. 2. Set the height-of-cut to the 4 inch (101.6 mm) position following the height-of-cut decal. 3. With the machine on level surface, position one blade front-to-rear. Measure at A and from level surface to the cutting edge of the blade tips (Figure 66). -
Page 50: Cleaning
Cleaning Storage Cleaning and Storage Cleaning Under the Mower 1. Disengage the power take off (PTO), set the parking Service Interval: Before each use or daily brake, and turn the ignition key to off. Remove the key. Remove the grass buildup under the mower daily. 2. - Page 51 10. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged or defective. 11. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 12. Store the machine in a clean, dry garage or storage area.
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Page 52: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action Engine will not start, starts hard, or fails 1. Fuel tank is empty. 1. Fill fuel tank with gasoline. to keep running. 2. Choke is not on. 2. Move the choke lever to choke position. 3. - Page 53 Problem Possible Cause Corrective Action Blades do not rotate. 1. Drive belt is worn, loose or broken. 1. Check the belt tension. 2. Drive belt is off pulley. 2. Install drive belt and check adjusting shafts and belt guides for correct position.
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Page 54: Schematics
Schematics Hydraulic Schematic (Rev. A) - Page 55 Electrical Schematic (Rev. A)
- Page 56 Countries Other than the United States or Canada Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfi ed with your Distributor’s service or have diffi culty obtaining guarantee information, contact the Toro importer.