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Related Manuals for Toro 31970
Summary of Contents for Toro 31970
- Page 1 Form No. 3440-524 Rev A 60in or 72in Side Discharge Rotary Mower Groundsmaster ® 3200 or 3300 Series Traction Unit Model No. 31970—Serial No. 400000000 and Up Model No. 31972—Serial No. 400000000 and Up *3440-524* A Register at www.Toro.com. Original Instructions (EN)
- Page 2 Whenever you need service, genuine Toro parts, or Figure 2 additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model 1. Safety-alert symbol and serial numbers of your product ready.Figure 1 identifies the location of the model and serial numbers This manual uses 2 words to highlight information.
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Page 3: Table Of Contents
Contents Safety This machine has been designed in accordance with Safety ............... 3 ANSI B71.4-2017 and with EN ISO 5395 when you General Safety ........... 3 Cutting Unit Safety..........3 complete the setup procedures and install the CE kit, per the Declaration of Conformity. Safety and Instructional Decals ...... -
Page 4: Safety And Instructional Decals
• Use only accessories, attachments, and replacement parts approved by Toro. 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 missing. - Page 5 decal127-0326 127-0326 decal137-5945 137-5945 1. Read the Operator's 3. Remove the key and Manual. read the Operator's 1. Height of cut (inches/millimeters) Manual before performing maintenance. 2. Height of cut decal137-5946 137-5946 1. Height of cut (inches/millimeters) decal131-1180 131-1180 1. Read the Operator's 3.
- Page 6 decal140-3073 140-3073 1. Thrown object 3. Cutting/dismemberment hazard—keep bystanders hazard of hand or foot, decal137-5948 away. mower blade—stay away 137-5948 from moving parts. 1. Height of cut (inches/millimeters) 2. Thrown object 4. Entanglement hazard of hazard—keep the hand, belt—stay away deflector in place;...
- Page 7 decal137-5949 137-5949 1. Height of cut 2. Mounting holes...
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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. – No parts required Prepare the machine. – No parts required Install the CE kit (if required). Hex-head bolt Washer Install the cutting unit to the traction unit. Height-of-cut pin Shoulder bolt Install the PTO cover. -
Page 9: Preparing The Machine
Preparing the Machine Installing the Cutting Unit to the Traction Unit No Parts Required Parts needed for this procedure: Procedure Hex-head bolt Park the machine on a level surface. Washer Engage the parking brake. Height-of-cut pin Shut off the engine and remove the key. Procedure Park the machine on a level surface, move the lift arms to the lowest position, engage the... -
Page 10: Installing The Pto Cover
If you have previously used the bolts to install the cutting unit: Apply thread-locking compound to the threads of the bolts. g296376 Figure 4 g296657 Figure 5 1. Lift arm 3. Washer 2. Castor arm 4. Bolt 1. Shoulder bolt 3. -
Page 11: Greasing The Machine
Model No. 31972: 1.82 m (72 inches) Height Adjustable from 25 to 152 mm (1 to 6 inches) in 13 of Cut mm (1/2 inch) increments • Model No. 31970: 204 kg (450 lb) Weight • Model No. 31972: 238 kg (525 lb) g296783 Figure 6 1. -
Page 12: Operation
Operation Note: Determine the left and right sides of the machine from the normal operating position. CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you do any maintenance. -
Page 13: Adjusting The Cutting-Unit Pitch
Refer to Figure 8 to determine the combinations required power, larger clippings, and a poorer quality of spacers for your desired height-of-cut setting. of cut. A pitch less than 6 mm (1/4 inch) results in more required power, smaller clippings and a better Note: You may use the shims in any quality of cut. -
Page 14: Adjusting The Anti-Scalp Rollers
Adjusting the Anti-Scalp Adjusting the Skid Rollers Mount the skid in the lower position when operating in height of cuts higher than 64 mm (2-1/2 inches) and Whenever you change the height-of-cut, adjust the in the higher position when operating in height of cuts height of the anti-scalp rollers (Figure 11). -
Page 15: Adjusting The Flow Baffle
Adjusting the Flow Baffle Position B Use this position when bagging. Always align it with You can adjust the mower-discharge flow for different the blower opening. types of mowing conditions. Position the baffle to give the best quality of cut. Position C Park the machine on a level surface, lower the cutting unit, engage the parking brake, shut off... -
Page 16: Using The Side Discharge
Sharpen the blades as necessary. Cutting Speed • If a blade is damaged or worn, replace it immediately with a genuine Toro replacement To improve cut quality, use a slower ground speed. blade. Refer to Removing and Installing the Cutting-Unit Blade(s) (page... -
Page 17: Maintenance
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Tighten the castor wheel nuts. After the first 2 hours • Check the PTO driveshaft-to-gearbox fastener torque. After the first 10 hours •... -
Page 18: Greasing The Bearings And Bushings
CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you do any maintenance. Greasing the Bearings and Bushings Service Interval: Every 50 hours Lubricate the grease fittings immediately after every washing. -
Page 19: Checking The Lubricant In The Gearbox
Checking the Lubricant in the Gearbox Service Interval: Every 50 hours After the first 50 hours Every 400 hours The gearbox in designed to operate on SAE 80-90 weight gear lube. Although the gearbox comes with lubricant from the factory, check the level before operating the cutting unit. -
Page 20: Servicing The Bushings In The Castor Arms
Servicing the Bushings in the Castor Arms The castor arms have bushings pressed into the top and bottom of the tube, and after many hours of operation, the bushings wear. To check the bushings, move the castor fork back and forth and from side to side. If the castor spindle is loose inside the bushings, the bushings are worn;... -
Page 21: Servicing The Cutting Blades
Servicing the Cutting Cutting-Unit Blade(s) Blades Replace the blade if it hits a solid object, is out of balance, or is bent. Always use genuine Toro replacement blades to ensure safety and optimum Blade Safety performance. A worn or damaged blade can break, and a piece of... - Page 22 Grasp the end of the blade using a rag or thickly-padded glove. Remove the blade bolt, anti-scalp cup, and blade from the spindle shaft (Figure 25). g004741 Figure 25 1. Blade bolt 2. Anti-scalp cup Install the blade, anti-scalp cup, and blade bolt and tighten the blade bolt to 115 to 149 N∙m (85 to 110 ft-lb).
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Page 23: Checking And Correcting Mismatch Of Blades
Replacing the Drive Belt Note: Remove the blades and sharpen them on a grinder. After sharpening the cutting edges, install the blade with the anti-scalp cup and The blade drive belt, tensioned by the spring-loaded blade bolt; refer to Inspecting and Sharpening idler pulley, is very durable. -
Page 24: Replacing The Grass Deflector
g295042 Figure 29 1. Belt routing g297469 Figure 30 Install the belt covers. 1. Bolt 5. Spring installed 2. Spacer 6. Grass deflector Replacing the Grass 3. Locknut 7. L-end of spring, place behind the cutting unit Deflector edge before installing bolt 4. -
Page 25: Storage
Storage Park the machine on a level surface, raise the cutting unit to the T position, engage RANSPORT the parking brake, shut off the engine, and remove the key. Thoroughly clean the cutting unit, paying special attention to these areas: •... - Page 26 The method of transmission shall be electronic transmittal. This machinery shall not be put into service until incorporated into approved Toro models as indicated on the associated Declaration of Conformity and in accordance with all instructions, whereby it can be declared in conformity with all relevant Directives.
- Page 27 While the exposure from Toro products may be negligible or well within the “no significant risk” range, out of an abundance of caution, Toro has elected to provide the Prop 65 warnings. Moreover, if Toro does not provide these warnings, it could be sued by the State of California or by private parties seeking to enforce Prop 65 and subject to substantial penalties.
- Page 28 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 your Authorized Toro Service Center.