Toro 30321 Operator's Manual
Toro 30321 Operator's Manual

Toro 30321 Operator's Manual

Mid-size mower proline t-bar gear 17 hp with 44 in. side discharge mower
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Form No. 3327–382
Mid–Size Mower
ProLine T–Bar Gear 17 HP with 44 in. Side
Discharge Mower
Model No. 30321—Serial No. 230000001 and Up
Operator's Manual
Domestic English (EN)

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Table of Contents
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Summary of Contents for Toro 30321

  • Page 1 Form No. 3327–382 Mid–Size Mower ProLine T–Bar Gear 17 HP with 44 in. Side Discharge Mower Model No. 30321—Serial No. 230000001 and Up Operator’s Manual Domestic English (EN)
  • Page 2: Table Of Contents

    Installing the Control Rods ....The Toro Total Coverage Guarantee ... . . 2003 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: Toro Mower Safety

    Keep hands and feet away from the cutting unit. The following list contains safety information specific to Look behind and down before backing up to be sure of Toro products and other safety information you must a clear path. know.
  • Page 5 Never tamper with safety devices. Check safety attempting to maintain, adjust or service. systems for proper operation before each use. Use only Toro-approved attachments. Warranty may Use only genuine replacement parts to ensure that be voided if used with unapproved attachments.
  • Page 6: Slope Chart

    Slope Chart...
  • Page 8: 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. 68-8340 43-8480 82-2280 82-2290 52-2010 93-1122 66-1340 95-2814 67-5360...
  • Page 9 104-8569 98-0776 106-5532 98-4387 1. Warning—wear hearing protection. 106-0699 104-8186 105-0884 106-0635...
  • Page 10 106-5494 106-5499 1. Engine—stop 2. Engine—start 3. Move the control bar to the handle, then pull the knob. 106-5505...
  • Page 11: Gasoline And Oil

    Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded Gasoline is harmful or fatal if swallowed. regular gasoline may be used if unleaded regular is not Long–term exposure to vapors can cause serious available.
  • Page 12: Set Up

    Installing the hairpin cotter pins and Hairpin cotter pin washers Oil drain hose Use for draining engine oil Operator’s Manual Read before operating machine Engine Operator’s Manual Read before operating machine Parts Catalog Registration card Fill out and return to Toro...
  • Page 13: Installing The Handle Assembly

    Parts needed for this step: Parts needed for this step: 1 Handle assembly 1 Fuel tank with studs installed 4 Flange bolts, 3/8 x 1 inch 1 Shift lever plate 4 Flange nuts, 3/8 inch 2 Bolts, 5/16 x 7/8 inch 2 Lock washers, 5/16 inch Installing the Handle Assembly 2 Flat washers, 5/16 inch...
  • Page 14: Adjusting The Shift Lever Plate

    No parts needed for this step. Figure 4 1. Fuel line 3. Fuel tank connection Adjusting the Shift Lever Plate 2. Clamp 1. Shift lever to second gear and check alignment of 5. Secure the right side of shift lever plate and fuel tank lever in slot of shifter lever plate.
  • Page 15: Installing The Control Rods

    Rear View m–5316 Figure 8 1. Control rod and fitting 4. Clevis pin, washer and hairpin cotter 2. 3–1/2inch (89 mm) 5. Rod fitting 3. Idler bracket 6. Hole F m–5458 Figure 7 3. Check the gap between upper control bar and fixed bar 1.
  • Page 16: Installing The Hairpin Cotter Pins And Washers

    5. Check the parking brake adjustment (Fig. 10). Refer to Checking the Brakes, page 30. Note: Make sure brake rod is installed in front (F) mounting hole in idler bracket. Parts needed for this step: 2 Hairpin cotter pins Installing the Hairpin Cotter Pins and Washers m–5233 Unused height–of–cut spacers may be stored on posts and...
  • Page 17: Operation

    Operation Upper Control Bar – Shift to desired gear and push forward on control bar to engage forward traction operation and pull back to brake forward movement. Pull Note: Determine the left and right sides of the machine back on right side of control bar to turn right and left side from the normal operating position.
  • Page 18: Using The Parking Brake

    Using the Parking Brake 4. Grasp recoil starter handle firmly and pull out until positive engagement results; then pull handle vigorously to start engine and allow rope to recoil Stop on level ground, disengage drives, engage parking slowly. brake, shut off engine and remove key. Always set the parking brake when you stop the machine or leave it Important Do not pull recoil rope to its limit or let go...
  • Page 19: The Safety Interlock System

    3. Pull blade switch (PTO) up and release. Hold blade The blade control switch (PTO) is pulled on. control bail against control bar while operating. The safety interlock system is designed to stop the mower 4. Repeat procedure to engage mower blades if blade blades if you release the blade control bail.
  • Page 20: Using The Lower Control Bar Operation

    5. Drive machine until drive wheels contact curb (Fig. 18). 6. Lower the front of the machine (Fig. 18). Note: Both drive wheels should contact the curb and caster wheels straight. 7. At the same time engage lower control bar and lift up on handle to drive over the curb (Fig.
  • Page 21: Transporting Machines

    Adjusting the Height-of-Cut Caution The height-of-cut can be adjusted from 1 to 4-1/2 inch (25 to 114 mm) in 1/4 inch (6 mm) Children or bystanders may be injured if they increments. Adjustment is done by relocating four hairpin move or attempt to operate the machine while it is cotter pins in different hole location and by adding or unattended.
  • Page 22: Adjusting The Gage Wheels

    Adjusting the Gage Wheels Adjusting the Handle Height The gage wheels need to be adjusted in the proper hole The handle position can be adjusted to match the location for each height-of-cut position. There needs to be operator ’s height preference. 3/8 inch (10 mm) minimum clearance above the ground.
  • Page 23: Using The Mid-Size Weight Kit

    6. Thread rod fitting up or down on rod until proper position is attained and install into fitting to idler bracket with clevis pin, washer and hairpin cotter. Refer to Installing the Control Rods, page 16. 7. Check the parking brake adjustment (Fig. 10). Refer to Checking the Brakes, page 30.
  • Page 24: 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 Oil—check level Safety System—check Each Use Brake—check Engine—clean outside Mower Housing—clean After first 8 Hours Engine Oil—change Mower Housing—clean Caster Wheels—grease 8 Hours...
  • Page 25: Servicing The Air Cleaner

    Servicing the Air Cleaner Important Replace the foam element if it is torn or worn. Service Interval and Specification Ô Ô Ô Ô Ô Ô Ô Ô Ô Ô Ô Ô Foam Element: Clean and re-oil after every 25 operating hours.
  • Page 26: Servicing The Engine Oil

    3. Install the air cleaner cover and secure latches (Fig. 25). Servicing the Engine Oil Service Interval and Specification Change oil: After the first 8 operating hours. After every 100 operating hours. Note: Change oil more frequently when operating Figure 28 conditions are extremely dusty or sandy.
  • Page 27: Servicing The Spark Plug

    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 (Fig. 30). 5. Fill the crankcase with the proper type of new oil; refer to Engine Oil Service, page 26.
  • Page 28: Greasing And Lubrication

    Lubricating the Caster and Wheel Important Never clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, Bearings worn electrodes, an oily film, or cracks. 1. Lubricate the front wheel bearings and front spindles 3. Check the gap between the center and side electrodes until grease begins to ooze out of the bearings (Fig.
  • Page 29: Cleaning The Cooling System

    Greasing the PTO Drive Belt Idler and Deck Belt Idler 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 2. Grease the idler pulley pivots (Fig. 35). Note: You will have to remove the carrier covers to access the grease fitting for the deck.
  • Page 30: Adjusting The Electric Clutch

    Checking the Brakes 1. Park the machine on a level surface, disengage the PTO. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Apply the parking brake. The wheels must lock when you try to push the machine forward.
  • Page 31: Servicing The Fuel Tank

    Note: Now is the best time to install a new fuel filter because the fuel tank is empty. Refer to Replacing the Fuel Filter; page 31. 5. Install the fuel line onto the valve. Slide the hose clamp close to the valve to secure the fuel line. m–2600 Figure 39 1.
  • Page 32: Servicing The Cutting Blades

    8. Check for fuel leaks and repair if needed (Fig. 40). m–151 m–5234 Figure 42 Figure 41 1. Cutting Edge 3. Wear/slot Forming 1. Hose clamp 3. Filter 2. Curved Area 2. Fuel line Checking for Bent Blades Servicing the Cutting Blades 1.
  • Page 33: Correcting The Mower Quality Of Cut

    Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum m–1855 performance and continued safety conformance of the machine, use genuine TORO replacement blades. Figure 47 Replacement blades made by other manufacturers may 1. Blade 2.
  • Page 34: Frame Set Up

    Checking Engine Deck Height 5. Set the height-of-cut to the 4 inch (101.6 mm) position. Refer to Adjusting the Height-Of-Cut in the 1. Disengage the PTO and set the parking brake. Operation section. 2. Stop the engine, remove the key, and wait for all 6.
  • Page 35: Checking The Deck Front-To-Rear Pitch

    Checking the Deck 24 in. Front-to-Rear Pitch (61cm) 1. Check the tire pressure on both deck and traction unit. 2. Position one blade front-to-rear (Fig. 52). Measure at C and D locations (Fig. 52) from a level surface to the cutting edge of the blade tips (Fig.
  • Page 36: Checking The Deck Side-To-Side Leveling

    MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2550 Figure 56 Changing the Side-to-Side m–6371 Leveling Figure 54 Changing the side–to–side leveling is done by adjusting 1. Caster Wheel 4. Jam nut tire pressure. 2. Carrier Frame 5. Ball joint 3.
  • Page 37: Replacing The Traction Drive Belt

    6. Tighten the bottom two mounting screws enough to allow the belt to pass between the drive pulley and idler support (Fig. 59). m–1078 Figure 57 m–1722 Figure 59 1. Top capscrew 4. Bottom capscrew 2. Idler bracket 5. Traction drive belt MEASURE FROM 3.
  • Page 38: Replacing The Mower Belt

    m–5321 Figure 60 1. Transmission belt 5. Clutch wire connector m–6529 2. Idler pulley 6. Pivot bolt Figure 61 3. Clutch retainer 7. Drive pulley 4. Tension spring 8. Engine deck 1. Deck belt 4. PTO drive Belt 2. Idler arm spring 5.
  • Page 39: Replacing The Caster Wheel Fork Bushings

    m–6529 m–6372 Figure 62 Figure 63 1. PTO engagement pulley 4. Center Spindle Pulley 1. Locking Pin 3. Carrier frame mounting 2. PTO drive belt idler 5. PTO Drive belt guide tube 2. Spacers (locate as 3. PTO drive Belt 6.
  • Page 40: Caster Wheel And Bearings Service

    Caster Wheel and Bearings Replacing the Grass Deflector Service Warning The caster wheels rotate on a roller bearing supported by a spanner bushing. If the bearing is kept well lubricated, An uncovered discharge opening could allow the wear will be minimal. Failure to keep the bearing well lubricated will cause rapid wear.
  • Page 41: Wiring Diagram

    Wiring Diagram IGNITION KEY SWITCH NONE WIRE COLOR CODES PINK BLACK BROWN BLUE GREEN VIOLET KEY SW. GREY WHITE ORANGE YELLOW 7.5A BAIL SW. CLUTCH SW. (NORMALLY (MOMENTARY) OPEN) SPARK PLUG IGNITION MODULE DELAY MODULE J2–1 HOUR METER (OPTIONAL) HOUR METER (OPTIONAL) CLUTCH...
  • Page 42: Cleaning And Storage

    Cleaning and Storage 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
  • Page 43: 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 throttle lever to choke position. Air cleaner is dirty. Clean or replace air cleaner element.
  • Page 44 PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Abnormal vibration. 1. Cutting blade(s) is/are bent or 1. Install new cutting blade(s). unbalanced. 2. Blade mounting bolt is loose. 2. Tighten blade mounting bolt. 3. Engine mounting bolts are 3. Tighten engine mounting bolts. loose.
  • Page 48: 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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