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Form No. 3373-280 Rev A
72in Guardian
®
Recycler
®
Mower
72in Side-Discharge Mower
Groundsmaster
®
3280-D Traction Unit
Model No. 31335—Serial No. 312000001 and Up
Model No. 31336—Serial No. 312000001 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 31335
Summary of Contents for Toro 31335
- Page 1 Groundsmaster ® 3280-D Traction Unit Model No. 31335—Serial No. 312000001 and Up Model No. 31336—Serial No. 312000001 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: Introduction
Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. The model and serial numbers are stamped into a plate that is mounted on the mower housing. -
Page 3: Table Of Contents
Contents Replacing the Grass Deflector......26 Introduction..............2 Safety ................4 Safe Operating Practices ........4 Toro Mower Safety ..........5 Safety and Instructional Decals ......7 Setup ................9 1 Securing the Grass Deflector(Model 31336 only)............... 10 2 Installing the Lift Arms to the Traction Unit.............. -
Page 4: 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 while refueling. B71.4-2004 specifications in effect at the time of –... -
Page 5: Toro Mower Safety
The following list contains safety information specific • Lightning can cause severe injury or death. If to Toro products or other safety information that you lightning is seen or thunder is heard in the area, do must know that is not included in the CEN, ISO, or not operate the machine;... - Page 6 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 7: 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. 93-7818 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 115-149 N-m (85-110 ft-lb). - Page 8 93-6697 1. Read the Operator's 2. Add SAE 80w-90 (API Manual. GL-5) oil every 50 hours. 100-5622 1. Height of cut adjustment 117–4979 1. Entanglement hazard, belt—stay away from moving parts, keep all guards and shields in place. 107-2908 Model 31336 only 107-1622 1.
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Page 9: Setup
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. – No parts required Secure the grass deflector Lift arm, right Install the lift arms to the traction unit Lift arm, left –... -
Page 10: Securing The Grass Deflector(Model 31336 Only)
Important: If the 72 inch Side Discharge Cutting Unit, model 31336, is being mounted to a model 30307, 30308, 30309, 30343, 30344 or 30345 traction unit with a serial number prior to 311000301, the Cutting Unit Alignment Kit, part number 120–6599 must be installed to the cutting unit prior to being mounted to traction unit. -
Page 11: Connecting The Lift Arms To The Cutting Unit
7. Hook the brake return spring to the tab on the lift arm (Figure 3). Figure 3 1. Pivot pin 4. Brake return spring 2. Lift arm 5. Tab 3. Pivot bracket 8. Install the wheel and tire assembly. Torque the wheel nuts to 75-80 ft-lb (102-108 N-m). -
Page 12: Greasing The Machine
3. Tighten the bolts and nuts. enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Greasing the Machine No Parts Required... -
Page 13: Operation
Adjusting the Height-of-Cut Operation The height-of-cut is adjustable from 1 to 5 inches (25 Note: Determine the left and right sides of the to 127 mm) in 1/2 inch (13 mm) increments. To adjust machine from the normal operating position. the height-of-cut, position the castor wheel axles in the upper or lower holes of the castor forks and add or CAUTION... -
Page 14: Adjusting The Rollers
Note: The rear castor fork assembly does not need reverse the machines direction to pull any clippings away from the wheel/fork area. to be removed from the castor arm to change the height-of-cut. Front Castor Wheels 2. Remove or add ”C” shaped spacers at the narrow 1. -
Page 15: Adjusting The Skids
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. 1. After adjusting the height-of-cut, adjust the rollers by removing the flange nut, bushing, spacer, and bolt (Figure 13). Figure 11 1. -
Page 16: Positioning The Flow Baffle(Model 31336 Only)
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 5/16 in. (8 mm). That is the back of the blade plane is 5/16 in. -
Page 17: Correcting Cutting Unit Mismatch
4. Using a short ruler, measure from the floor to the 7. To ease measuring blade plane, raise the height of front tip of the blade. Rotate the blade tip to the rear cut to the highest position; refer to Adjusting the and measure from the floor to the tip of the blade. - Page 18 Select the Proper Height-of-Cut Setting to Suit Conditions Remove approximately 1 in. (25 mm) or no more than 1/3 of the grass blade when cutting. In exceptionally lush and dense grass, you may have to raise the height-of-cut to the next setting. Mow at Proper Intervals Under most normal conditions you will need to mow approximately every 4–5 days.
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Page 19: 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 • Lubricate the castor arm bushings •... -
Page 20: Lubrication
Lubrication Service Interval: Every 50 hours The machine has grease fittings that must be lubricated regularly with No. 2 General Purpose Lithium Base Grease. If the machine is operated under normal conditions, lubricate all bearings and bushings after every 50 hours of operation or immediately after every washing. -
Page 21: Pre Maintenance
Figure 24 1. Lift arm 3. Hairpin cotter 2. Clevis pin 4. Castor arm bracket Figure 23 3. Roll the cutting unit away from the traction unit, 1. Dipstick/fill plug separating the male and female sections of the PTO shaft (Figure 25). Pre Maintenance Important: The fasteners on the covers of this machine are designed to remain on the cover after... -
Page 22: Servicing The Bushings In The Castor Arms
Servicing the Bushings in the line up with the holes in the castor arm bracket and the height of cut rod can be inserted into the lift arm Castor Arms pads (Figure 26). The castor arms have bushings pressed into the top and 5. -
Page 23: Checking For A Bent Blade
Blade(s) The blade must be replaced if a solid object is hit, the blade is out-of-balance, worn, or bent. Always use genuine Toro replacement blades to ensure safety and Figure 28 optimum performance. Never use blades made by other manufacturers because they could be dangerous. -
Page 24: Inspecting And Sharpening The Blade(S)
(Figure 31). Eventually, a piece of the blade may • Replace a worn or damaged blade with a break off and be thrown from under the housing, new Toro blade to ensure continued safety possibly resulting in serious injury to yourself certification of the product. -
Page 25: Checking And Correcting Mismatch Of Blades
Checking and Correcting Replacing the Drive Belt Mismatch of Blades The blade drive belt, tensioned by the spring loaded idler pulley, is very durable. However, after many hours If there is mismatch between the blades, the grass will of use, the belt will show signs of wear. Signs of a worn appear streaked when it is cut. - Page 26 Figure 35 1. Belt routing Figure 36 1. Bolt 5. Spring installed 5. Install the belt covers. 2. Spacer 6. Grass Deflector 3. Locknut 7. L end of spring, place Replacing the Grass Deflector behind deck edge before installing bolt 4.
- Page 27 Notes:...
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Page 28: 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.