Table of Contents
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Table of Contents
Related Manuals for Toro TRX-250
Summary of Contents for Toro TRX-250
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Page 1: Figure
Form No. 3431-900 Rev B TRX-250 and TRX-300 Trencher Model No. 22983—Serial No. 400000000 and Up Model No. 22983G—Serial No. 400000000 and Up Model No. 22983HD—Serial No. 400000000 and Up Model No. 22984—Serial No. 400000000 and Up *3431-900* B Register at www.Toro.com. -
Page 2: Important
Use of this product may cause exposure to chemicals known to the State of Important: If you are using a machine with a Toro California to cause cancer, birth defects, engine above 1500 m (5,000 ft) for a continuous or other reproductive harm. -
Page 3: Table Of Contents
Servicing a Kohler ® Engine....... 25 safety messages identified by the safety-alert symbol Servicing a Toro Engine ........29 (Figure 2), which signals a hazard that may cause Fuel System Maintenance ........33 serious injury or death if you do not follow the Using the Fuel-Shutoff Valve...... -
Page 4: Safety
Safety DANGER There may be buried utility lines in the work area. Digging into them may cause a shock or an explosion. Have the property or work area marked for buried lines and do not dig in marked areas. Contact your local marking service or utility company to have the property marked (for example, in the US, call 811 or in Australia, call 1100 for the nationwide marking service). -
Page 5: 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 missing. decalbatterysymbols Battery Symbols decal93-9084 Some or all of these symbols are on your battery. 93-9084 1. - Page 6 Decal 131-1097 is for machines with a Toro engine only. decal138-7107 decal131-1097 138-7107 131-1097 1. Forward 3. Right 1. Oil drain 2. Left 4. Reverse decal133-8062 133-8062 decal138-7154 138-7154 4. Magneto relay 1. Read the Operator’s Manual for fuse information.
- Page 7 Decal 137-3882 is for model 22983 only. Decal 138-7155 is for model 22984 only. decal137-3882 decal138-7155 137-3882 138-7155 1. Read the Operator’s Manual. 1. Read the Operator’s Manual. decal99-9952 99-9952 1. Cutting/dismemberment hazard, auger and chain—keep bystanders away; stay away from moving parts. 2.
- Page 8 Decal 138-7105 is for model 22983 only. decal138-7105 138-7105 1. Engine—Shut off 9. Trencher chain—Forward 2. Engine—Run 10. Off 3. Engine—Start 11. Read the Operator’s Manual for information on operating the machine—move the trencher-control lever to the reference bar; lower the trencher boom; pull the traction control rearward.
- Page 9 Decal 138-7106 is for model 22984 only decal138-7106 138-7106 1. Engine—Shut off 8. Trencher chain—Forward 2. Engine—Run 9. Off 3. Engine—Start 10. Read the Operator’s Manual for information on operating the machine—move the trencher-control lever to the reference bar; lower the trencher boom; pull the traction control rearward.
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Page 10: Setup
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Boom (sold separately) Install the boom and chain. Chain (sold separately) – No parts required Check the fluid levels. – No parts required Charge the battery. -
Page 11: Checking The Fluid Levels
Loop the digging chain over the auger drive shaft and onto the drive sprocket, ensuring that the digging teeth point forward on the upper span. Set the upper span of the chain into place on the trencher boom, then wrap the chain around the roller at the end of the boom. -
Page 12: Product Overview
Control Panel Choke Lever Toro Engines Only Before starting a cold engine, move the choke lever forward. After the engine starts, regulate the choke to keep the engine running smoothly. As soon as possible, move the choke lever all the way rearward. - Page 13 Traction Controls • To turn left, move the right traction control forward (Figure 10). • To move forward, move both traction controls forward (Figure g258531 Figure 10 g258529 Figure 7 • To stop the machine, release the traction controls. • To move rearward, move both traction controls Note: The farther you move the traction control in...
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Page 14: Specifications
Contact your Authorized Service Dealer or authorized Toro distributor or go to www.Toro.com for a list of all approved attachments and accessories. g261593 To ensure optimum performance and continued safety... -
Page 15: Before Operation
Fuel Safety Operation • Use extreme care when handling fuel. It is flammable and its vapors are explosive. Note: Determine the left and right sides of the machine from the normal operating position. • Extinguish all cigarettes, cigars, pipes, and other sources of ignition. -
Page 16: Performing Daily Maintenance
Using Stabilizer/Conditioner During Operation Use fuel stabilizer/conditioner in the machine to keep the fuel fresh longer when used as directed by the During Operation Safety fuel-stabilizer manufacturer. Important: Do not use fuel additives containing General Safety methanol or ethanol. • Keep your hands and feet away from moving Add the amount of fuel stabilizer/conditioner to fresh teeth, chain, auger, or other parts. - Page 17 Do not remove or add attachments on a slope. of lightning. • Do not park the machine on a hillside or slope. • Use only Toro-approved attachments and accessories. Slope Operation • Operate up and down slopes with the front of the machine uphill.
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Page 18: Starting The Engine
2. Throttle lever The throttle control regulates the engine speed as For Toro engines, do the following: measured in rpm (revolutions per minute). Place the throttle lever in the F position for best performance. Move the choke lever to the O... -
Page 19: Digging A Trench
Digging a Trench Operating Tips • Start the engine, raise the boom, move the Clean the area of trash, branches, and rocks throttle lever to the F position, and move the before trenching to prevent damaging the machine. machine over the area to be trenched. •... -
Page 20: After Operation
After Operation After Operation Safety • Park the machine on a level surface, disengage the trencher hydraulics, lower the boom, engage the parking brake, shut off the engine, and remove the key. Wait for all movement to stop and allow the machine to cool before adjusting, servicing, cleaning, or storing it. -
Page 21: Maintenance
Every 40 hours • For Kohler engines—change the engine oil (more often in dusty or sandy conditions). • For Toro engines—change the engine oil and oil filter (more often in dirty or dusty conditions). • For Toro engines—check the spark plug(s). - Page 22 Every 300 hours • For Kohler engines—check the inner air filter. • For Toro engines—replace the air filter (more often in dirty or dusty conditions). • Change the hydraulic fluid. Every 400 hours • For Kohler engines—replace or clean and gap the spark plug(s).
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Page 23: Pre-Maintenance Procedures
Pre-Maintenance Lubrication Procedures Greasing the Machine Removing the Cover Plate Service Interval: Before each use or daily (Grease immediately after every washing.) Note: The fasteners on the covers of this machine are designed to remain on the cover after removal. Grease Type: General-purpose grease. -
Page 24: Greasing The Trencher Housing
For Kohler engine maintenance, refer to Servicing a Kohler ® Engine (page 25). • For Toro engine maintenance, refer to Servicing a Toro Engine (page 29). g008334 Figure 23 Pump grease into the fitting until grease comes out of the grease valve located next to the fitting. -
Page 25: Servicing A Kohler Engine
Servicing a Kohler ® Engine Note: Avoid knocking the filter into the side of the body. Remove the inner filter only if you intend to Servicing the Air Cleaner replace it. Service Interval: Every 150 hours—For Kohler Important: Never attempt to clean the inner engines—Inspect the outer air filter. - Page 26 Carefully slide the outer filter over the safety filter (Figure 26). Note: Ensure that the outer filter is fully seated by pushing on the outer rim while installing it. Important: Do not press on the soft, inside area of the filter. Install the air-cleaner cover and secure the latches (Figure...
- Page 27 Changing the Engine Oil Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the Start the engine and let it run 5 minutes. This additional oil to bring it to the Full mark (Figure warms the oil so it drains better.
- Page 28 Servicing the Spark Plug(s) Service Interval: Every 500 hours Make sure that the air gap between the center and side electrodes is correct before installing the spark plug(s). Use a spark plug wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap.
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Page 29: Servicing A Toro Engine
Servicing the Air Cleaner black coating, worn electrodes, an oily film, or cracks. Service Interval: Every 300 hours—For Toro engines—replace the air filter (more If you see light brown or gray on the insulator, the often in dirty or dusty conditions). - Page 30 36). Servicing the Engine Oil Before each use or daily After the first 5 hours/After the first month (whichever comes first)—For Toro engines—change the engine oil and filter. Every 100 hours/Yearly (whichever comes first)—For Toro engines—change the engine oil and oil filter (more often in dirty or dusty conditions).
- Page 31 Note: Ensure that the oil-filter gasket touches the engine and then turn the filter an extra 3/4 turn. g272603 g027477 Figure 40 Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 41).
- Page 32 (whichever comes first)—For Toro engines—check the spark plug(s). Every 200 hours/Every 2 years (whichever comes first)—For Toro engines—replace the spark plug(s). Ensure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug and a gapping tool or feeler gauge to check and adjust the air gap.
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Page 33: Fuel System Maintenance
Ensure that the fuel-shutoff valve is open Figure 43 when starting the engine. Installing the Spark Plug(s) g252489 Figure 45 1. Location for Kohler 4. Hose clamp (2) engines 2. Location for Toro engines 5. Closed position 3. Open position g273509 Figure 44... -
Page 34: Draining The Fuel Tank
Slide the hose clamp close to the valve to secure the fuel line. Wipe up any spilled fuel. g033082 Figure 46 Filter for Toro engine shown Turn the fuel shutoff valve to the open position (Figure 45). Check for fuel leaks and repair if needed. -
Page 35: Electrical System Maintenance
Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames. - Page 36 Charging the Battery Coat the battery posts and cable connectors with Grafo 112X (skin-over) grease (Toro Part No. 505-47) or petroleum jelly to prevent corrosion. WARNING Install the battery; refer to Installing the Battery Charging the battery produces gasses that (page 36).
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Page 37: Replacing The Fuses
Replacing the Fuses Park the machine on a level surface, engage the parking brake (if applicable), and lower the boom. Shut off the engine and remove the key. Remove the bolt and access panel on the right side of the machine (Figure 50). -
Page 38: Drive System Maintenance
Checking and Adjusting the Track Drive System Tension Maintenance Service Interval: After the first 50 hours Every 100 hours Servicing the Tracks To check the tension of each track, place 20.4 kg (45 lb) on the track midway between the front road wheel Cleaning the Tracks and the drive wheel. - Page 39 Replacing the Tracks is applied to the track span. Adjust the torque on the tensioning bolt as needed. When the tracks are badly worn, replace them. Tighten the jam nut. Park the machine on a level surface, engage the Tighten the clamp bolts and torque to 102 N∙m parking brake, and lower the boom.
- Page 40 Checking and Greasing the Road Wheels Service Interval: Every 250 hours Park the machine on a level surface, engage the parking brake, and lower the boom. Shut off the engine and remove the key. Remove the tracks; refer to Replacing the Tracks (page 39).
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Page 41: Brake Maintenance
Toro PX Extended Life Hydraulic Fluid (refer to your Authorized Service Dealer for more information) • If either of the above Toro fluids are not available, you may use another Universal Tractor Hydraulic Fluid (UTHF), but they must be only conventional, petroleum-based products. The... -
Page 42: Checking The Hydraulic-Fluid Level
Viscosity index, ASTM D2270 140 to 152 Pour Point, ASTM D97 -37 to -43°C (-35 to -46°F) Industry Standards API GL-4, AGCO Powerfluid 821 XL, Ford New Holland FNHA-2-C-201.00, Kubota UDT, John Deere J20C, Vickers 35VQ25 and Volvo WB-101/BM Note: Many hydraulic fluids are almost colorless, making it difficult to spot leaks. -
Page 43: Changing The Hydraulic Fluid
Install the replacement hydraulic filter and filler (Figure 60) and torque the bolt on top to 13 to 15.5 N∙m (110 to 140 in-lb). Clean up any spilled fluid. Install the top cover. Changing the Hydraulic Fluid Service Interval: Every 400 hours/Yearly (whichever comes first) Park the machine on a level surface, engage the parking brake (if applicable), and lower the... -
Page 44: Trencher Maintenance
Trencher Maintenance Replacing the Digging Teeth Service Interval: Before each use or daily—Check the condition of the digging teeth and replace any that are worn or g287009 damaged. Figure 62 Due to the high amount of wear placed on the digging 1. -
Page 45: Replacing The Drive Sprocket
Important: Torque the 2 bolts and nuts securing the boom The arrow on the sprocket face to 183 to 223 N∙m (135 to 165 ft-lb). should be visible from the right side of the trench and should point in a clockwise direction;... -
Page 46: Cleaning
Cleaning Storage Park the machine on a level surface, engage the Removing Debris from the parking brake, and lower the boom. Machine Shut off the engine, remove the key, and wait for the engine to cool. Service Interval: After each use Remove dirt and grime from the external parts of the entire machine, especially the engine. - Page 47 handle to crank the engine and distribute the oil inside the cylinder. Install the spark plug, but do not install the wire on the spark plug. Charge the battery; refer to Charging the Battery (page 36). Check and adjust the track tension; refer to Checking and Adjusting the Track Tension (page 38).
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Page 48: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The battery is discharged. 1. Charge the battery or replace it. 2. The electrical connections are 2. Check the electrical connections for corroded or loose. good contact. 3. The relay or switch is damaged. 3. - Page 49 Problem Possible Cause Corrective Action The trencher does not dig fast enough. 1. The digging teeth are worn. 1. Replace the digging teeth. 2. The chain you are using is not 2. Evaluate the ground type and change appropriate for the type of ground. chains if necessary.
- Page 50 Notes:...
- Page 51 The Toro Company (“Toro”) respects your privacy. When you purchase our products, we may collect certain personal information about you, either directly from you or through your local Toro company or dealer. Toro uses this information to fulfil contractual obligations - such as to register your warranty, process your warranty claim or to contact you in the event of a product recall - and for legitimate business purposes - such as to gauge customer satisfaction, improve our products or provide you with product information which may be of interest.
- Page 52 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.