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Toro 74805 Operator's Manual

With 48 in. mower and bagger
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Form No. 3327-557
Z355
Z-Master with 48 in. Mower and Bagger
Model No. 74805—Serial No. 220000001 and Up
Operator's Manual
English (EN)

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Summary of Contents for Toro 74805

  • Page 1 Form No. 3327-557 Z355 Z-Master with 48 in. Mower and Bagger Model No. 74805—Serial No. 220000001 and Up Operator’s Manual English (EN)

  • Page 2: Table Of Contents

    ........2001 by The Toro Company...

  • Page 3: Introduction

    Authorized Service attention to the safety alert symbol, which means Dealer or Toro Customer Service and have the model and CAUTION, WARNING, or DANGER—“personal serial numbers of your product ready. Figure 1 illustrates safety instruction.” Failure to comply with the the location of the model and serial numbers on the instruction may result in personal injury or death.

  • Page 4: Maintenance And Storage

    Preparation Stop equipment and inspect blades after striking objects or if an abnormal vibration occurs. Make necessary Evaluate the terrain to determine what accessories and repairs before resuming operations. attachments are needed to properly and safely perform Keep hands and feet away from the cutting units. the job.

  • Page 5: Toro Mower Safety

    Toro Mower Safety Slope Operation The following list contains safety information specific to Toro products or other safety information that you Slopes and ramps are a major factor related to must know that is not included in the ANSI standards.
  • Page 6 Do not try to stabilize the machine by putting your foot on the ground. Do not use a grass catcher on steep slopes. Heavy grass bags could cause loss of control or overturn the machine. Service Never store the machine or fuel container inside where there is an open flame, such as near a water heater or furnace.

  • Page 7: Slope Chart

    Slope Chart...

  • Page 9: Safety And Instruction Decals

    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. On Each Side Of Deck On Right Side Of Deck (Part No.
  • Page 10 Under Seat On Instrument Panel (Part No. 104–0390) (Part No. 104–7807) Below Front Of Seat (Part No. 98–1313) On Rear Frame Member And Clutch Guard (Part No. 93–9198) Under Seat (Part No. 105–1603) On Carrier Frame (Part No. 100–7769)
  • Page 11 104-4163 1. Explosion hazard 4. Wear eye protection 2. No fire, open flames, or 5. Read the Operator’s 1-523552 smoking. Manual. 3. Caustic liquid/chemical 6. Keep bystanders a safe burn hazard distance from the battery. 104-5091 1. Contains lead; do not 4.

  • Page 12: Gasoline And Oil

    Gasoline and Oil Warning Recommended Gasoline Gasoline is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious Use UNLEADED Regular Gasoline suitable for automotive injury and illness. use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. Avoid prolonged breathing of vapors.

  • Page 13: Setup

    Read before operating the machine. Engine operator’s manual Parts catalog Registration card Fill out and return to Toro. Removing the bracket from Checking the Tire Pressure Rear Tail Wheel Check the air pressure in all tires; refer to Tire Pressure, page 42.

  • Page 14: Removing The Machine From Crate

    4. Slowly pour electrolyte into each battery cell until the Checking the Hydraulic Fluid level is up to the upper line (Fig. 3) on the battery case. Check the hydraulic fluid level before the engine is first Important Do not overfill the battery because started.

  • Page 15: Operating The Parking Brake

    Releasing the Parking Brake 1. Push in on the button and lower parking brake lever to off (Fig. 7). m–3287 Figure 7 m–5287 1. Parking brake—Set 3. Parking brake—Off Figure 5 2. Button 1. Motion control lever 6. Hourmeter 2. Parking brake 7.

  • Page 16: Operating The Power Take Off (Pto)

    Important Make sure fuel shut off valve is closed before transporting or storing machine, as fuel leakage may occur. Operating the Power Take Off (PTO) The power take off (PTO) switch engages and disengages power to the attachment clutch (mower blades). m–5269 m–2719 Engaging the Power Take Off (PTO)

  • Page 17: Driving Forward Or Backward

    Understanding the Safety Interlock Driving Forward or Backward System The throttle control regulates the engine speed as measured The safety interlock system is designed to prevent the in rpm (revolutions per minute). Place the throttle control in engine from starting unless: the fast position for best attachment performance.

  • Page 18: Stopping The Machine

    To turn move the motion control lever toward neutral, on the side you want to turn toward (Fig. 13). To slow or stop move the motion control levers to neutral. Stopping the Machine To stop the machine, move the motion control levers to neutral, disengage the power take off (PTO), and turn the m–3280 ignition key to off.

  • Page 19: Dumping The Hopper

    Caution The mower deck is heavy and could injure someone while raising or lowering the deck. Use caution when raising or or lowering deck. m–4863 Raising the Mower Figure 18 1. Disengage the power take off (PTO), set the parking 1.

  • Page 20: Pushing The Machine By Hand

    m–4861 m–5282 Figure 19 Figure 20 1. Rear Door latch 3. Lift here 1. By-pass valve 2. Front Hopper latch Removing the Deck and Carrier 6. Lower the hopper. Firmly secure the hopper door so it latches and secure the front hopper latch (Fig. 19). Frame Important Front hopper latch must be secured to...
  • Page 21 10. Tilt carrier frame down. 11. Remove the two nuts and bolts that hold the bar for rubber guard. The bar is under the motion control levers. Fold the rubber guard onto the footrest (Fig. 24). m–4851 Figure 22 1. Bracket 5.

  • Page 22: Installing Deck And Carrier Frame

    1. Slide the driveshaft on gearbox shaft. Install 2 bolts (3/8 x 1-5/8 in. (41.5 mm)) and locknuts (3/8 in.) in universal joint (Fig. 28). Note: The gearbox shaft has a spline to correctly align gearbox and PTO drive shaft. Align the spline and slide the PTO drive shaft onto gearbox.
  • Page 23 5. Place a block, approximately 4 inches high, under the carrier frame. This will raise the frame vertically. 6. Secure spring end plate assembly to carrier frame with a shoulder bolt (3/8 x 7/8 in. (23 mm)) and a locknut (3/8 in.) (Fig.

  • Page 24: Install The Mulching Baffle

    1. Tilt mower into the vertical position, refer to; Tilting the Mower, page 18. 2. Remove screws, washers, left and right bagger baffles locknuts, carriage bolts, and left and right discharge baffles from the mower (Fig. 38). Note: Reinstall all hardware into deck for use when reinstalling bagging baffles and safety.

  • Page 25: Installing The Bagger And Discharge Baffles

    4. Align hole in idler arm with slot in frame and insert clevis pin. Secure with hairpin cotter to hold in position. m–3548 m–5272 Figure 37 Figure 38 1. Idler arm 3. Clevis pin 1. Bagger baffle 5. Carriage Bolt 2.

  • Page 26: Installing And Removing The Plenum

    4. Flip seat up and unlatch plenum from both sides of blower inlet (Fig. 40). 5. Pull plenum out from blower housing and place it on the ground (Fig. 40). 6. Pull or slide plenum out from between deck and traction tire (Fig.

  • Page 27: Maintenance

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Check the hydraulic fluid level. After first use Change the oil. Change the hydraulic filter. Check the oil level. Check the safety system.

  • Page 28: Servicing The Cutting Blades

    Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. 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.

  • Page 29: Removing The Blades

    3 mm (1/8 in.), the blade is bent and must be replaced. Front Refer to Removing the Blades, and Installing the Blades on page 29. Front M–4852 Figure 43 1. Cutting edge Note: Use anti-seize lubricant on spindle and keyway before installing blade retainer.

  • Page 30: Correcting Cutting Unit Mismatch

    Sharpening the Blades 1. Check the tire pressure on both deck and traction unit. 2. Set the height-of-cut to the 2-1/2 in. position following 1. Use a file to sharpen the cutting edge at both ends of the the height-of-cut decal. blade (Fig.

  • Page 31: Changing The Front-To-Rear Pitch

    Front Front M–4852 M–4852 Figure 49 Figure 51 MEASURE FROM TIP MEASURE FROM TIP OF CUTTING EDGE OF CUTTING EDGE TO A LEVEL SUR- TO A LEVEL SUR- M–4852 M–4852 FACE FACE Figure 50 Figure 52 Changing the Front-to-Rear Change the Side-to-Side Level Pitch Changing the side–to–side leveling is done by removing or adding washers to height of cut posts.
  • Page 32 The plunger inside the gauge canister will change to red when the air cleaner element becomes dirty and restricted. When it changes red, air cleaner maintenance is required. 1. Start by visually checking the condition of the primary element. If the element is visually dirty, replace the primary element.

  • Page 33: Servicing The Engine Oil

    Cleaning the Primary Filter USE THESE SAE VISCOSITY OILS Blow compressed air from the inside to the outside of the primary filter. 10W–30 Important Do not exceed 685.5 kPa (100 psi) and keep the hose at least 5cm (2 in.) from the filter. 5W–20, 5W–30 Installing the Filters 1.

  • Page 34: Servicing The Spark Plugs

    Changing the Engine Oil Changing the Engine Oil Filter 1. Start the engine and let it run five minutes. This warms Replace the oil filter after first 8 hours of use. the oil so it drains better. Replace the oil filter every 200 hours or every other oil 2.

  • Page 35: Servicing The Fuel Filter

    Removing the Spark Plug 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 2. Pull the wire(s) off the spark plug(s) (Fig. 59). Now 0.030 in. clean around the spark plug(s) to prevent dirt from (0.76 mm) falling into the engine and potentially causing damage.

  • Page 36: Servicing The Fuel Tank

    m–3293 m–4853 Figure 61 Figure 62 1. Filter 2. Hose clamp 1. Fuel shut-off valve 3. Fuel line 2. Hose clamp 4. Fuel cap Servicing the Fuel Tank Draining The Fuel Tank Cleaning the Cooling Systems Danger Cleaning the Engine Screen and the Oil Cooler In certain conditions, gasoline is extremely flammable and highly explosive.

  • Page 37: Greasing And Lubricating

    m–5766 Figure 64 1. Panel 3. Screws 2. Engine shroud Greasing and Lubricating The unit must be lubricated regularly. Refer to the Recommended Maintenance Schedule on page 27. Grease Type: No. 2 general purpose lithium base or molybdenum base grease. Figure 65 1.

  • Page 38: Servicing The Gearbox Fluid

    After initial 100 operating hours. Note: Fluid will not have to be changed again after initial 100 hour fluid change. Fluid Type: Automatic Transmission Fluid (Dexron III or equivalent) Important Do not mix fluids. Use only Automatic Transmission Fluid. m–3203 Gearbox Capacity: 5–1/2 oz.

  • Page 39: Checking The Gearbox Fluid

    1. Tilt mower into the vertical position, refer to; Tilting the Mower, page 18. 2. Remove the cap, thrust washer and 1/2 in. spacer from the top of the castor wheel fork (Fig. 71). 3. Pull the castor wheel fork out of the mounting tube, leaving the 1 in.

  • Page 40: Replacing Idler Arm Bushings

    8. Grease the fitting on the carrier frame castor hub using No. 2 general purpose lithium base or molybdenum base grease. m–3282 m–5299 Figure 72 Figure 73 1. Carrier Frame Castor Hub 2. Bushing 1. Pump Idler Pulley 6. Washer 2.

  • Page 41: Replacing Push Arm Bushings

    4. Insert a pin punch into the push arm and carefully drive out the bushings (Fig. 77). Clean the inside of the push arm. 5. Use a hammer and flat plate to carefully drive new bushings into the end of push arm (Fig. 77). 6.

  • Page 42: Checking The Tire Pressure

    7. Grease the fitting on the castor wheel. m–1872 Figure 79 1. Drive Wheel and Tail Wheel Valve Stem m–3283 Figure 78 1. Locknut 5. Spanner Bushing 2. Wheel Bolt 6. Roller Bearing 3. Washer 7. Grease fitting 4. Bushing m–3281 Checking the Tire Pressure Figure 80...
  • Page 43 3. Remove cap from filler neck. Look inside to check if Replacing the Hydraulic Filter there is fluid in the reservoir (Fig. 81). Change the hydraulic filter: 4. If there is no fluid, add fluid to reservoir approximately After the first 8 operating hours a 6mm (1/4 in.) below the top of baffle.

  • Page 44: Adjusting The Motion Controls

    11. Recheck level while fluid is warm. Add fluid to raise Warning level to top of the baffle, if required. Do not over fill. Hydraulic fluid escaping under pressure can penetrate skin and cause injury. If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury.

  • Page 45: Replacing The Power Take Off (Pto) Belt

    m–5286 Figure 85 1. Idler 6. Bolt m–5285 2. Spring 7. Clutch Figure 84 3. Gear box pulley 8. Clutch electrical connector 4. PTO belt 1. Motion control lever 4. Control rod 5. Clutch stop 2. Forward stop 5. Jam nut 3.

  • Page 46: Replacing The Blower Belt

    1. Remove PTO belt; refer to Replacing Power Take Off (PTO) Belt on page 45. 2. Push spring loaded idler down and remove traction belt from the engine, fixed idler and hydro pump pulleys (Fig. 87). Remove belt over clutch. 3.

  • Page 47: Servicing The Battery

    Fuse: Main F1–30 amp, blade-type Alternator F2–25 amp, blade-type Safety Interlock and Clutch F3–15 amp, blade-type 1. Remove dash panel screws to gain access to fuse holder (Fig. 90). 2. To replace fuses pull out on the fuse to remove it (Fig.

  • Page 48: Adding Water To The Battery

    4. Secure cables with 2 bolts (1/4 x 3/4 in.), 2 washers 1. Disengage the power take off (PTO), set the parking (1/4 in.), and 2 locknuts (1/4 in.) (Fig. 92). brake, and turn the ignition key to off. Remove the key. 5.

  • Page 49: Cleaning The Hopper Screens

    1. Remove the battery from the chassis; refer to Removing 3. Clean the screen by brushing off with your hand, the Battery, page 48. blowing with compressed air or spraying with a stream of water. 2. Check the electrolyte level; refer to Checking Electrolyte Level, page 47.
  • Page 50 Note: Do not use your hand to test for proper sensor operation as the light beam may pass through or around your hand and not properly activate the sensor. m–3549 Figure 95 1. Transmitter 3. Wire 2. Receiver Note: Make sure the wire between receiver and transmitter is tight.

  • Page 51: Wiring Diagram

    Wiring Diagram...

  • Page 52: Hydraulic Diagram

    HYDRAULIC TANK FILTER REAR PUMP FRONT PUMP RIGHT LEFT MOTOR MOTOR...

  • Page 53: Cleaning And Storage

    Cleaning and Storage 11. Remove the spark plug(s) and check its condition; refer to Servicing the Spark Plug, page 34. With the spark plug(s) removed from the engine, pour two tablespoons 1. Disengage the power take off (PTO), set the parking of engine oil into the spark plug hole.

  • Page 54: Troubleshooting

    Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Starter does not crank 1. Power take off (PTO) is 1. Move power take off (PTO) to ENGAGED. DISENGAGED. 2. Parking brake is not on. 2. Set parking brake. 3. Motion control levers are not in 3.
  • Page 55 PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Abnormal vibration. 1. Engine mounting bolts are 1. Tighten engine mounting bolts. loose. 2. Loose engine pulley, idler 2. Tighten the appropriate pulley. pulley, or blade pulley. 3. Engine pulley is damaged. 3. Contact Authorized Service Dealer.

  • Page 56: The Toro Total Coverage Guarantee

    If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.

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