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Operator's Manual
Form No. 3364-859 Rev A
Base 62in and 72in Mower
Groundsmaster
®
3320/3280-D Traction Unit
Model No. 30403—Serial No. 280000001 and Up
Model No. 30404—Serial No. 280000001 and Up
To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
Original Instructions (EN)
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Table of Contents
Related Manuals for Toro 30403
Summary of Contents for Toro 30403
- Page 1 Groundsmaster ® 3320/3280-D Traction Unit Model No. 30403—Serial No. 280000001 and Up Model No. 30404—Serial No. 280000001 and Up To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com. Original Instructions (EN)
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Page 2: Table Of Contents
Adjusting the Skids..........14 additional information, contact an Authorized Service Adjusting the Rollers .......... 14 Dealer or Toro Customer Service and have the model Correcting Cutting Unit Mismatch ...... 15 and serial numbers of your product ready. The model Operating Tips ........... 15 and serial numbers are stamped into a plate that is Maintenance............... -
Page 3: Safety
Safety – Use only an approved container. – Never remove fuel cap or add fuel with engine This machine meets or exceeds CEN standard running. Allow engine to cool before refueling. EN 836:1997, ISO standard 5395:1990, and ANSI Do not smoke. B71.4-2004 specifications in effect at the time of –... -
Page 4: Toro Mower Safety
The following list contains safety information specific not operate the machine; seek shelter. to Toro products or other safety information that you • Use care when loading or unloading the machine must know that is not included in the CEN, ISO, or into a trailer or truck. - Page 5 Authorized Toro Distributor. • To make sure of optimum performance and continued safety certification of the machine, use only genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and such use could void the product warranty.
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Page 6: 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. 106-6753 1. Thrown object hazard—keep bystanders a safe distance from the machine. - Page 7 108-1986 1. Height of cut 115-4505 1. Warning—read the Operator’s Manual. 2. Tipping hazard—lower the cutting unit when driving down slopes. For 2 wheel drive units, add a 16 kg (35 lb) rear weight to GM 3280D units and a 32 kg (70 lb) rear weight to GM 3320 units.
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Page 8: Setup
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Completion kit (sold separately) Install a completion kit. Castor wheel assembly Install the castor wheel assemblies. Lift arm, right Lift arm, left Install the lift arms. -
Page 9: Installing The Castor Wheel Assemblies
• Model 30303, 72 inch Rear Discharge • Model 30304, 72 inch Guardian Installing the Lift Arms Parts needed for this procedure: Installing the Castor Wheel Lift arm, right Assemblies Lift arm, left Pivot pin assembly Parts needed for this procedure: Cotter pin Castor wheel assembly Procedure... -
Page 10: Connecting The Pto Shaft To The Cutting Unit Gear Box
Installing the Cutting Units on the Lift Arms Parts needed for this procedure: Thrust washer Clevis pin Hairpin cotter Height-of-cut collar Clevis pin Hairpin cotter Bolt (1/2 x 3/4 inch) Washer Procedure 1. Move the cutting unit into position in front of the traction unit. -
Page 11: Greasing The Machine
Figure 5 1. PTO shaft 3. Gear case 2. Bolts and locknuts 4. Roll pin 2. Secure them with a roll pin (Figure 5). 3. Tighten the bolts and nuts (Figure 5). Greasing the Machine No Parts Required Procedure Before operating the machine, it must be greased to ensure proper lubricating characteristics;... -
Page 12: Product Overview
Authorized Service Dealer or Distributor or go to operating the cutting unit. www.Toro.com for a list of all approved attachments 1. Position the machine and cutting unit on a level and accessories. - Page 13 secure the height of cut collar to the desired holes in the height of cut rod. 1. Start the engine and raise the cutting unit off the floor so that the height-of-cut can be changed. Stop the engine and remove the key after the cutting unit is raised.
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Page 14: Adjusting The Cutting Unit Pitch
Cutting unit pitch is the difference in height-of-cut from the front of the blade plane to the back of the blade plane. Toro recommends a blade pitch of 1/4 inch (6 mm). That is the back of the blade plane is 1/4 inch (6 mm) higher than the front. -
Page 15: Correcting Cutting Unit Mismatch
Figure 13 1. Roller 2. Roller shaft Figure 14 1. Tensioning cap 4. Axle mounting holes 2. Slide the shaft out of the lower bracket holes, align 2. Spacers 5. Castor wheel the roller with the top holes, and install the shaft. 3. - Page 16 shredding causes the grass to turn brown at the edges which impairs growth and increases susceptibility to diseases. After Operating To ensure optimum performance, clean the underside of the mower housing after each use. If residue is allowed to build up in the mower housing, cutting performance will decrease.
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Page 17: Maintenance
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Tighten the castor wheel nuts After the first 2 hours • Tighten the castor wheel nuts After the first 10 hours • Torque the blade bolts • Check the blades Before each use or daily •... -
Page 18: Separating The Cutting Unit From The Traction Unit
Figure 16 • Idler arm shaft bearings (Figure 16) • Lift arm pivots, front (2) (Figure 17) Figure 19 1. Dipstick/fill plug Separating the Cutting Unit from the Traction Unit 1. Position the machine on level surface, lower the cutting unit to the floor, move the lift lever to the Float position, shut the engine off, and engage the parking brake. -
Page 19: Mounting The Cutting Unit To The Traction Unit
the holes in the castor arm bracket and the height of cut rod can be inserted into the lift arm pads (Figure 23). Figure 21 3. Hairpin cotter 1. Lift arm 2. Clevis pin 4. Castor arm bracket 5. Roll the cutting unit away from the traction unit, separating the male and female sections of the PTO shaft (Figure 22). -
Page 20: Servicing The Bushings In The Castor Arms
Servicing the Castor Wheels pin cotters (Figure 23). Head of clevis pin to be positioned toward the front of the deck. and Bearings 10. Install a 1/2 x 3/4 inch bolt and a washer to top of 1. Remove the locknut from the bolt holding the castor each height of cut rod (Figure 23). -
Page 21: Removing And Installing The Blade(S)
Always use servicing the cutting blade: the sail and the cutting edge. genuine Toro replacement blades to ensure safety and Both cutting edges and the sail, which is the turned up optimum performance. Never use blades made by other portion opposite the cutting edge, contribute to a good manufacturers because they could be dangerous. -
Page 22: Checking And Correcting Mismatch Of Blades
• Replace a worn or damaged blade with a the center blade. The center blade must not be more new Toro blade to ensure continued safety than 3/8 inch (10 mm) lower than the outer blades. certification of the product. - Page 23 1. Lower the cutting unit to the shop floor. Remove the belt covers from the top of the cutting unit and set the covers aside. 2. Using a torque wrench or similar tool, move the idler pulley (Figure 30) away from the drive belt to release the belt tension and allow the belt to be slipped off the gearbox pulley (Figure 31).
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Page 24: The Toro Total Coverage Guarantee
Countries Other than the United States or Canada Customers who have purchased Toro products exported from 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 dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer.