Toro 30553 Operator's Manual

72" side discharge mower

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Form No. 3350–815
72 Side Discharge Mower
Groundsmaster 200 Series
Model No. 30553—Serial No. 240000001 and Up
Operator's Manual
English (EN, GB)

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Table of Contents
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Summary of Contents for Toro 30553

  • Page 1 Form No. 3350–815 72 Side Discharge Mower Groundsmaster 200 Series Model No. 30553—Serial No. 240000001 and Up Operator’s Manual English (EN, GB)
  • Page 2: Table Of Contents

    ..... Dealer or Toro Customer Service and have the model and serial numbers of your product ready. The numbers are Optional Equipment .
  • Page 3: Safe Operating Practices

    Safe Operating Practices Be sure all drives are in neutral and parking brake is engaged before starting engine. Only start engine from the operator’s position. Use seat belts if provided. The following instructions are from the CEN standard EN 836:1997, ISO standard 5395:1990, and ANSI B71.4-1999. Slow down and use extra care on hillsides.
  • Page 4: Toro Mower Safety

    The following list contains safety information specific to Make sure that all hydraulic line connectors are tight Toro products or other safety information that you must and all hydraulic hoses and lines are in good condition know that is not included in the ANSI standards.
  • Page 5: Safety And Instruction Decals

    Perform only those maintenance instructions described in this manual. If major repairs are ever needed or if assistance is desired, contact an Authorized Toro Distributor. Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger.
  • Page 6 93-6697 1. Read the Operator’s 2. Add SAE 80w–90 (API Manual. GL-5) oil every 50 hours. 99-5172 100-6578 1. Entanglement hazard, belt—do not operate the machine with the shields or guards removed; always keep the shields and guards in place. Stay away from moving parts. 105-9554 1.
  • Page 7: Specifications

    Specifications General Specifications Width of Cut 71-5/8 in. (1.82 m) Height of Cut Adjustable from 1 to 4 in. (25 to 102 mm) in 1/2 inch increments Blade Tip Speed 16,270 ft./min. @ 3250 engine RPM Cutting Blades 3 heat-treated steel blades, each 3/16 in. (4.8 mm) thick and 24-3/4 in. (55 cm) long PTO driven gear box transmits power through a “AA”...
  • Page 8: Setup

    Setup Loose Parts Note: Use this chart as a checklist to ensure that all parts have been received. Without these parts, total setup cannot be completed. Description Qty. Front castor wheel assembly Installing the castor wheel assemblies Rear castor wheel assembly Right-hand lift arm Left-hand lift arm Mount to traction unit pivot brackets...
  • Page 9: Installing The Castor Wheel Assemblies

    Install another thrust washer and the remaining spacers Danger onto the spindle and install the tensioning cap to secure the assembly. If the engine is started and the PTO shaft is Important The thrust washers, not the spacers, must allowed to rotate, serious injury could result. contact the top and bottom of the castor arm.
  • Page 10: Connecting The Lift Arms To The Cutting Unit

    2-1/4 in. (57 mm) Figure 3 1. Pivot pin 3. Lift arm pivot bracket 2. Lift arm 4. Brake return spring Figure 4 6. Hook the brake return spring to the hole in the lift arm 1. Lift arm 3. Jam nut (Fig.
  • Page 11: Connecting Pto Shaft To Cutting Unit Gear Box

    Connecting the PTO Shaft to the Cutting Unit Gear Box 1. Remove (2) capscrews and lockwashers securing PTO guard mounting brackets to gearbox (Fig. 6). Retain fasteners for re–installation. Figure 7 1. 52 side discharge deck 3. 62 and 72 decks 2.
  • Page 12: Installing Rear Weight

    Operator’s Manual to determine the combinations of weight required. Order the parts from your Figure 10 local Authorized Toro Distributor. 1. Wide part of knee link Four Wheel Drive Groundsmaster 200 Series traction units do not need additional rear weight to comply with the...
  • Page 13: Before Operating

    Before Operating Adjusting the Height-of-Cut The height-of-cut is adjustable from 1 to 4 inches (25 to 102 mm) in 1/2 inch (13 mm) increments, by adding or removing an equal number of spacers on the front and rear castor forks. The height-of-cut chart below gives the combinations of spacers to use for all height-of-cut settings.
  • Page 14: Adjusting The Rollers And Gage Wheel

    2. Remove or add ”C” shaped spacers at the narrow Adjusting the Front Gage Wheel portion of the spindle shaft, below the castor arm, to get 1. Remove the capscrew and nut securing the gage wheel the desired height-of-cut. Make sure that the thrust to the cutting unit brackets (Fig.
  • Page 15: Checking The Lubricant In The Gear Box

    Checking the Lubricant in the Operation Gear Box Note: Determine the left and right sides of the machine The gear box in designed to operate on SAE 80–90 wt. gear from the normal operating position. lube. Although the gear box is shipped with lubricant from the factory, check the level before operating the cutting Using the Grass Deflector unit.
  • Page 16: Adjusting The Tension Spring

    Adjusting the Tension Spring For best performance, the cutting unit bounce on uneven turf is minimal and it does not ride heavily over flat terrain. If scalping occurs or the cut is uneven from side to side, there may too much weight on the deck and weight may have to be transferred to the traction unit: i.e.
  • Page 17: 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 After first 2 hours Tighten the castor wheel nuts. Tighten the castor wheel nuts. After first 10 hours Torque the blade bolts.
  • Page 18: Separating The Cutting Unit From The Traction Unit

    2. Position the machine and cutting unit on a level surface and lower the cutting unit. Remove the dipstick/fill plug from the top of the gear box (Fig. 23) and make sure that the lubricant is between the marks on the dipstick. If the lubricant level is low, add SAE 80–90 wt.
  • Page 19: Mounting The Cutting Unit To The Traction Unit

    Figure 26 1. PTO shaft Figure 24 1. Lock pin 3. Spring tension assembly Danger 2. Bracket If the engine is started and the PTO shaft is 3. Position the machine on a level surface, lower the allowed to rotate, serious injury could result. cutting unit to the floor, move the lift lever to the float Do not start the engine and engage the PTO lever position, shut the engine off, and engage the parking...
  • Page 20: Servicing The Castor Arm Bushings

    Servicing the Castor Arm lubricated, bearing wear will be minimal. However, failure to keep the bearing lubricated will cause rapid wear. A Bushings wobbly castor wheel usually indicates a worn bearing. 1. Remove the locknut from the capscrew holding the The castor arms have bushings pressed into the top and castor wheel assembly between the castor fork bottom of the tube and after many hours of operation, the...
  • Page 21: Checking For A Bent Blade

    Always use genuine the cutting blade: the sail and the cutting edge. Both cutting Toro replacement blades to ensure safety and optimum edges and the sail, which is the turned up portion opposite performance. Never use blades made by other the cutting edge, contribute to a good quality-of-cut.
  • Page 22: Correcting Cutting Unit Mismatch

    Inspect the blade periodically for wear or damage. Replace a worn or damaged blade with a new Toro blade to ensure continued safety certification of the product. SHARPEN AT THIS ANGLE ONLY Figure 33 6.
  • Page 23: Replacing The Grass Deflector

    4. Install the pivot brackets on top of the discharge opening with the carriage bolts and nuts. The head of the carriage bolts must be on the inside of the cutting unit. MEASURE FROM 5. Position the deflector mounts on the pivot brackets and BLADE TIP TO LEVEL SURFACE secure the parts together with the capscrews, locknuts,...
  • Page 24: Adjusting The Cover Latches

    Adjusting the Cover Latches If the cutting unit covers fit loose, the latch tension may be adjusted by loosening the latch mounting screws and sliding the latches (slotted mounting holes in the cutting unit) to the proper position. Replacing the Drive Belt The blade drive belt, tensioned by the adjustable idler, is very durable.
  • Page 25: Troubleshooting

    UNIT WILL NOT CUT OR CUTS POORLY INSPECT INSPECT INSPECT INSPECT INSPECT CUTTER SPINDLE CUTTER DECK GEAR BOX GEAR BOX BLADES BOLTS BELTS PULLEY SHAFTS DULL OR LOOSE OR BROKEN LOOSE LOOSE BENT BROKEN TIGHTEN SHARPEN RETORQUE TIGHTEN REPLACE 85 TO 110 REPLACE REPLACE FOOT POUNDS...
  • Page 28: The Toro General Commercial Products Warranty

    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.

This manual is also suitable for:

Groundsmaster 200 series

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