Form No. 3383-653 Rev A STX-26 Stump Grinder Model No. 23208—Serial No. 314000001 and Up Model No. 23208G—Serial No. 314000001 and Up Register at www.Toro.com.
Introduction WARNING This machine is designed to grind and remove tree stumps and surface roots. It is not intended to cut rock or any other material other than wood and the soil around a stump. CALIFORNIA Proposition 65 Warning Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage. You are responsible for operating the product properly and safely.
Drive System Maintenance .........................................30 Servicing the Tracks................................................30 Belt Maintenance ......................................................32 Replacing the Pump-Drive Belt ................................32 Controls System Maintenance .....................................33 Adjusting the Traction Control Alignment .................33 Adjusting the Traction Control Neutral Position ........................................................
Safety • Improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol , which means: Caution, Warning, or Danger—personal safety instruction. Failure to comply with the instruction may result in personal injury or death. Operation • Never run an engine in an enclosed area.
Maintenance and Storage Failure to maintain adequate distance from trees, walls, and other barriers may result in injury as the machine backs up during operation if the operator is not attentive to the surroundings. Only operate the unit in areas where there is sufficient clearance for the operator to safely maneuver the product. • Disengage the hydraulics, lower the grinder, stop the • • Before digging, have the area marked for underground • utilities, and do not dig in marked areas.
– Battery acid is poisonous and can cause burns. Avoid contact with skin, eyes, and clothing. Protect your face, eyes, and clothing when working with a battery. – Battery gases can explode. Keep cigarettes, sparks and flames away from the battery. • Keep your body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid. Use cardboard or paper to find hydraulic leaks; never use your hands.
Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. To determine the maximum slope you can safely operate the machine on, refer to Slope Operation (page 5). Use the slope indicator to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than that specified in Slope Operation (page 5). Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
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. 93–6686 1. Hydraulic oil 2. Read the Operator's Manual. 100-4650 1. Crushing hazard of hand—keep bystanders a safe distance from the machine. 2. Crushing hazard of foot—keep bystanders a safe distance from the machine. 93-7321 1.
119-4561 1. Read the Operator's Manual before operating the cutter; engage the side lever and top button of the joystick to start the cutter blade; continue engaging the side lever to maintain cutter rotation. 2. Lower the cutter head 3. Pivot the cutter head to the right 119-4560 4. Raise the cutter head 5. Pivot the cutter head to the left 1. Ignition key 2. Engine—start 3. Engine—run 4. Engine—stop 5. Fast 6. Engine speed 7. 8. 9. 10.
119-4606 1. Warning—read the Operator's Manual. 5. Explosion and electric shock hazard—do not dig in areas with buried utility lines; contact local power organizations before digging. 2. Cutting/dismemberment hazard; cutter—keep bystanders a safe distance from the machine; do not operate the cutter head while transporting the machine. 6. Tipping/crushing hazard—lower the cutter head when operating on slopes. 3. Warning—stay away from moving parts; wait for all moving parts to stop. 7.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure 1 2 3 Description Use Qty. Grinder control lever Jam nut 1 1 Install the grinder control lever. No parts required – Check the fluid levels. No parts required – Charge the battery. 3. With the trigger oriented forward, tighten the jam nut against the receptacle to secure the lever in place (Figure 4). 1 4. Connect the wire on the lever to the 4-pin connector under the control panel (Figure 4).
Key Switch Product Overview The key switch has 3 positions: Off, Run, and Start. To start the engine, rotate the key to the Start position. Release the key when engine starts and it will move automatically to the Run position. To stop the engine, rotate the key to the Off position. Throttle Lever Move the control forward to increase the engine speed and rearward to decrease speed. Choke Lever Before starting a cold engine, move the choke lever forward.
Grinder Control Lever Operate the grinder using the grinder control lever as follows: • To start the grinder (Figure 12), press the red button on the top of the lever, then squeeze the trigger. Once the grinder has started, you can release the red button. • To stop the grinder (Figure 12), release the trigger for more than a half second. Figure 8 Note: If you are operating the grinder an momentarily release the trigger (i.e., less than a half second) the grinder will continue operation.
Specifications Note: Specifications and design are subject to change without notice. Width 84 cm (33 inches) Length 198.5 cm (78 inches) Height 113 cm (44.5 inches) Weight 544 Kg (1,200 lb) Attachments/Accessories A selection of Toro approved attachments and accessories is available for use with the machine to 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.
Operation DANGER In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. Note: Determine the left and right sides of the machine from the normal operating position. Important: Before operating, check the fuel and oil level, and remove debris from the machine. Also, ensure that the area is clear of people and debris.
5. Slide the dipstick fully into the dipstick tube without threading it into the filler neck (Figure 17). 6. Pull the dipstick out and look at the end. The oil should be between the Add and Full marks (Figure 17). 7. If the oil is below the Add mark, add 10w30 engine oil to the filler hole, checking the level frequently with the dipstick, until the oil level reaches the Full mark. 8. Replace the dipstick.
Important: Do not engage the starter for more than 10 seconds at a time. If the engine fails to start, allow a 30 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor. 4. Gradually move the choke lever to the Off position (Figure 20). If the engine stalls or hesitates, engage the choke again until the engine warms up. 5. Move the throttle lever to the desired setting (Figure 20).
Moving a Non-functioning Machine WARNING Grinding a stump will throw wood chips, soil, and other debris into the air which could injure you or bystanders. • Always wear eye protection when using the grinder. • Keep all bystanders a safe distance from the grinder. Important: Do not tow or pull the machine without first opening the tow valves, or the hydraulic system will be damaged. 1. Stop the engine. 2. Remove the bottom shield. 3.
5. Move the machine forward a few centimeters (inches) and repeat step 4 (Figure 22). 6. Repeat steps 4 through 5 until you have ground off the entire face of the stump (Figure 22). 7. Back up the machine, position the grinder to the side of the front of the stump, and lower it to about 2 cm (1 inch) below the surface. 8. Repeat steps 4 through 7 until the stump is ground away. 9.
• As you grind from left to right, most of the debris will go to the left of the grinder wheel. When you grind from the right to left, the debris will go to the right. • You may also grind a stump from the side to lessen turf damage.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. After the first 50 hours • Check and adjust the track tension. Before each use or daily Every 25 hours Every 100 hours • • • • • • • Check the engine-oil level. Grease the machine. (Grease immediately after every washing.) Check the engine oil level.
Removing the Cover Plate 1. Lower the grinder, stop the engine, and remove the key. WARNING There is a belt under the cover that is moving when the machine is running and can catch fingers, hands, loose hair, and clothing, causing serious injury, amputation, or death. Figure 27 Always stop the engine and wait for all moving parts to stop before removing the cover. 1. Bottom shield 2. Loosen the bolt at the rear of the cover plate. 2. Bolts 3. Pull the shield back and out of the machine. 3.
Lubrication Engine Maintenance Greasing the Machine Servicing the Air Cleaner Service Interval: Before each use or daily (Grease immediately after every washing.) Service Interval: Every 250 hours Cleaning the Air Cleaner Body and Cover Grease Type: General-purpose grease. 1. Lower the grinder and stop the engine. Remove the key. 1. Stop the engine and remove the key. 2. Check the air cleaner body for damage which could cause an air leak.
Checking the Engine-Oil Level 3. Inspect the new filter(s) for damage by looking into the filter while shining a bright light on the outside of the filter. 1. Park the machine on a level surface. 2. Lower the grinder. Note: Holes in the filter will appear as bright spots. Inspect the element for tears, an oily film, or damage to the rubber seal. If the filter is damaged do not use it. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4.
contacts the filter adapter, then tighten the filter an additional 3/4 turn (Figure 34). 5. Fill the crankcase with the proper type of new oil; refer to Servicing the Engine Oil. 6. Run the engine for about 3 minutes, stop the engine, and check for oil leaks around the oil filter and drain valve. 7. Check the engine oil level and add oil if needed. 8. Wipe up any spilled oil. Servicing the Spark Plug Service Interval: Every 100 hours—Check the spark plugs.
Checking the Spark Plug Fuel System Maintenance 1. Look at the center of the spark plug (Figure 36). If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty. Draining the Fuel Tank 2. If needed, clean the spark plug with a wire brush to remove carbon deposits. DANGER In certain conditions, gasoline is extremely flammable and highly explosive.
Electrical System Maintenance 9. Wipe up any spilled fuel. Replacing the Fuel Filter Service Interval: Every 200 hours Servicing the Battery Never install a dirty filter if it is removed from the fuel line. Service Interval: Every 25 hours—Check the battery electrolyte level. Note: Note how the fuel filter is installed in order to install the new filter correctly. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case.
Installing the Battery WARNING 1. Place the battery onto the machine (Figure 39). Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. • Always connect the positive (red) battery cable before connecting the negative (black) cable. 2.
Electrolyte could be spilled on other parts and cause corrosion. 2. Clean the top of the battery with a paper towel. 3. Remove the vent caps from the battery (Figure 40). 4. Slowly pour distilled water into each battery cell until the electrolyte level is up to the Upper line (Figure 40) on the battery case. Important: Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. Figure 41 5. Wait 5 to 10 minutes after filling the battery cells.
Drive System Maintenance Servicing the Tracks Cleaning the Tracks Service Interval: Before each use or daily Check the tracks for excessive wear and clean them periodically. If the tracks are worn, replace them. Figure 44 1. Lower the grinder. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. Stop the machine in on a level surface. 3. Using a water hose or pressure washer, remove dirt from each track system. 2.
2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 10. Push the track under and between the rear and center road wheels (Figure 46). 3. Lift/support the side of the unit to be worked on so that the track is 7.6 to 10 cm (3 to 4 inches) off of the ground. 11. Starting at the bottom of the front road wheel, install the track around the wheel by rotating the track rearward while pushing the lugs into the wheel. 4.
Belt Maintenance 4. Ensure that the road wheel turns smoothly on the bearing. Note: If it is frozen, contact your Authorized Service Dealer to replace the road wheel. Replacing the Pump-Drive Belt If the pump drive belt begins to squeal or is cracked, worn, or frayed, replace it. Contact you Authorized Service Dealer for a replacement belt. 5. Place the greased road wheel cap over the bolt head (Figure 48). 6. Secure the road wheel cap with the snap ring (Figure 48). 1. Raise the grinder. 7.
Controls System Maintenance 5. Adjust the traction control so that it rests flush against the reference bar when it is pulled straight back (Figure 51 and Figure 52). The factory adjusts the controls before shipping the machine. However, after many hours of use, you may need to adjust the traction control alignment, the neutral position of the traction control, and the tracking of the traction control in the full forward position.
4. If the machine veers to the right, loosen the left jam nut and adjust the tracking set screw on the front of the traction control (Figure 54). WARNING When the machine is running, you could be caught and injured in moving parts or burned on hot surfaces. Stay away from pinch points, moving parts, and hot surfaces when adjusting the running machine. F. Have a helper hold the traction control tight to the reference bar in reverse. G.
Hydraulic System Maintenance Fluid (UTHF), but they must be only conventional, petrolium-based products. The specifications must fall within the listed range for all of the following material properties and the fluid should meet the listed industry standards. Check with your oil supplier to determine if the oil meets these specifications.
Checking the Hydraulic Lines Service Interval: Every 100 hours—Check the hydraulic lines for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather, and chemical deterioration and repair if necessary. Every 1,500 hours/Every 2 years (whichever comes first)—Replace all moving hydraulic hoses. WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Grinder Maintenance Cleaning Replacing the Teeth Removing Debris from the Machine Service Interval: Before each use or daily—Check the condition of the teeth and rotate or replace any that are worn or damaged. Important: Operating the engine with blocked screens, dirty or plugged cooling fins, and/or cooling shrouds removed, will result in engine damage from overheating. Due to the high amount of wear placed on the teeth, you will need to rotate and replace them periodically. 1. Lower the grinder. 2.
Storage 12. Charge the battery; refer to Charging the Battery (page 29). 1. Lower the grinder. 13. Check and adjust the track tension; refer to Checking and Adjusting the Track Tension (page 30). 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 14. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. 3. Remove dirt and grime from the external parts of the entire machine, especially the engine.
Troubleshooting Problem The starter does not crank. The engine will not start, starts hard, or fails to keep running. Engine loses power. Possible Cause 1. The battery is discharged. 1. Charge the battery or replace it. 2. The electrical connections are corroded or loose. 3. The relay or switch is damaged. 2. Check the electrical connections for good contact. 3. Contact your Authorized Service Dealer. 1. The fuel tank is empty. 1. Fill the fuel tank with gasoline. 2. 3. 4. 5. 2. 3. 4. 5.
g013418 Schematics Electrical Schematic (Rev.
G025169 Hydraulic Schematic (Rev.
Notes: 42
Notes: 43
Toro Compact Utility Equipment Warranty Compact Utility Equipment (CUE) Products A One-Year Limited Warranty Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Compact Utility Equipment (“Product”) to be free from defects in materials or workmanship.
