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Toro TRX-26, Operator'S Manual, Page: 3 / 52

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Contents

Introduction................................................................. 2
Safety ........................................................................... 4

Safe Operating Practices ....................................... 4
Sound Pressure..................................................... 6
Sound Power ........................................................ 6
Vibration.............................................................. 6
Slope Indicator..................................................... 8
Safety and Instructional Decals ............................. 9

Setup.......................................................................... 12

1 Installing the Boom and Chain ......................... 12
2 Checking Fluid Levels ...................................... 13
3 Charging the Battery (Electric Start Models

Only).............................................................. 13

Product Overview ...................................................... 13

Controls ............................................................. 13
Specifications ..................................................... 16
Attachments/Accessories................................... 16

Operation................................................................... 16

Adding Fuel ....................................................... 16
Checking the Engine Oil Level............................ 17
Checking the Hydraulic Fluid Level..................... 18
Starting and Stopping the Engine ........................ 19
Stopping the Machine......................................... 20
Moving a Non-functioning Machine ................... 20
Digging a Trench................................................ 20
Securing the Machine for Transport .................... 20
Lifting the Machine ............................................ 21
Operating Tips ................................................... 21

Maintenance............................................................... 22

Recommended Maintenance Schedule(s) ................ 22
Premaintenance Procedures.................................... 23

Removing the Cover Plate................................... 23
Installing the Cover Plate .................................... 23
Removing the Bottom Shield .............................. 23
Installing the Bottom Shield................................ 23

Lubrication............................................................. 24

Greasing the Machine ......................................... 24
Greasing the Trencher Housing .......................... 24

Engine Maintenance............................................... 25

Servicing the Air Cleaner (Models 22970 and

22971) ............................................................ 25

Servicing the Air Cleaner (Model 22974).............. 26
Servicing the Engine Oil ..................................... 27
Servicing the Spark Plug ..................................... 28

Fuel System Maintenance ....................................... 30

Draining the Fuel Tank ....................................... 30
Replacing the Fuel Filter ..................................... 30

Electrical System Maintenance................................ 31

Servicing the Battery (Models 22971 and

22974) ............................................................ 31

Replacing the Fuses (Models 22971 and

22974) ............................................................ 33

Drive System Maintenance ..................................... 34

Servicing the Tracks............................................ 34

Belt Maintenance.................................................... 36

Replacing the Pump Drive Belt ........................... 36

Controls System Maintenance................................. 37

Adjusting the Traction Control

Alignment ...................................................... 37

Adjusting the Traction Control Neutral

Position.......................................................... 38

Adjusting the Tracking of the Traction

Control, Full Forward Position........................ 38

Hydraulic System Maintenance ............................... 39

Replacing the Hydraulic Filter ............................. 39
Changing the Hydraulic Fluid ............................. 39
Checking the Hydraulic Lines ............................. 40

Trencher Maintenance ............................................ 40

Replacing the Digging Teeth ............................... 40
Checking and Adjusting the Digging Chain

and Boom ...................................................... 40

Replacing the Drive Sprocket .............................. 41

Cleaning ................................................................. 42

Removing Debris from the Machine.................... 42

Storage ....................................................................... 43
Troubleshooting......................................................... 44
Schematics ................................................................. 46

3

Summary of Contents for TRX-26

Page 1: ...odel No 22970G Serial No 310000001 and Up Model No 22971 Serial No 310000001 and Up Model No 22971G Serial No 310000001 and Up Model No 22974 Serial No 310000001 and Up To register your product or dow...

Page 2: ...rdered through the engine manufacturer This product complies with all relevant European directives for details please see the separate product specific Declaration of Conformity DOC sheet Introduction...

Page 3: ...ne 24 Greasing the Trencher Housing 24 Engine Maintenance 25 Servicing the Air Cleaner Models 22970 and 22971 25 Servicing the Air Cleaner Model 22974 26 Servicing the Engine Oil 27 Servicing the Spar...

Page 4: ...n moving parts Inspect the area where the equipment is to be used and remove all objects such as rocks toys and wire which can be thrown by the machine Use extra care when handling gasoline and other...

Page 5: ...See also the page Operate up and down slopes with the front end of the machine uphill Remove obstacles such as rocks tree limbs etc from the work area Watch for holes ruts or bumps as uneven terrain...

Page 6: ...e 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 ejec...

Page 7: ...Measured values were determined according to the procedures outlined in EN ISO 20643 7...

Page 8: ...Slope Indicator 8...

Page 9: ...9 Slow 10 Choke 11 On Closed 12 Off Open 13 Read the Operator s Manual before starting the engine to start the engine move the trencher control lever into the Off position place the traction control...

Page 10: ...Tipping crushing hazard lower the trencher head when operating on slopes 8 Lower the boom 4 Warning stay away from moving parts wait for all moving parts to stop 9 Raise the boom 5 Warning lower the...

Page 11: ...from the machine 107 8495 1 Parking brake Battery Symbols Some or all of these symbols are on your battery electric start models only 1 Explosion hazard 6 Keep bystanders a safe distance from the batt...

Page 12: ...nd nut securing the spoils auger and remove the auger Figure 3 Save the fasteners for future use Figure 3 1 Spoils auger 6 Adjusting bolt 2 Boom 7 Jam nut 3 Bolts 8 Arm on the drive head 4 Double wash...

Page 13: ...re starting the engine for the first time check the engine oil and hydraulic fluid levels refer to Operation for more information 3 Charging the Battery Electric Start Models Only No Parts Required Pr...

Page 14: ...ve been logged on the machine Note The hour meter is an optional accessory on model 22970 Reference Bar When driving the machine use the reference bar as a handle and a leverage point for controlling...

Page 15: ...maintenance Secure the boom with the lock anytime you need to stop the machine with the boom raised To set the lock lift up on it so it clears the hole in the control panel and swing it to the right...

Page 16: ...es 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...

Page 17: ...the machine to provide the following benefits Keeps gasoline fresh during storage of 90 days or less For longer storage it is recommended that the fuel tank be drained Cleans the engine while it runs...

Page 18: ...se 10W 30 or 15W 40 detergent diesel engine oil API service CH 4 or higher 1 Park the machine on a level surface and lower the boom 2 Stop the engine remove the key and allow the engine to cool 3 Look...

Page 19: ...the choke lever to the Off position Figure 19 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 19 Important I...

Page 20: ...ea to be trenched 2 Pull the trencher control lever to the reference bar to engage the trencher 3 Slowly lower the boom and chain into the ground Note To achieve the maximum depth you may need to lowe...

Page 21: ...by controlling the depth with periodic adjustments of the boom If the trencher binds in the soil reverse the chain direction Once the chain is loose change chain directions and continue trenching If...

Page 22: ...hours Change the engine oil Check the spark plugs Check and adjust the track tension Check the hydraulic lines for leaks loose fittings kinked lines loose mounting supports wear weather and chemical...

Page 23: ...the cover plate 3 Loosen the three bolts securing the cover plate to the frame sequentially until the cover is free Figure 25 Figure 25 1 Cover plate 2 Bolts 4 Pull up on the rear of the cover plate u...

Page 24: ...to each fitting Figure 27 through Figure 30 4 Pump grease into the fittings until grease begins to ooze out of the bearings approximately 3 pumps 5 Wipe up any excess grease Figure 27 Figure 28 Figur...

Page 25: ...e them if they are damaged or excessively dirty Note Service the air cleaner more frequently every few operating hours if the operating conditions are extremely dusty or sandy Important Do not oil the...

Page 26: ...ly onto the air cleaner base and secure it with the 2 wing nuts Figure 32 3 Place the air cleaner cover into position and tighten the cover knob Figure 32 Servicing the Air Cleaner Model 22974 Service...

Page 27: ...nterval After the first 8 hours Change the engine oil Before each use or daily Check the engine oil level Every 100 hours Change the engine oil Every 200 hours Change the oil filter Note Change the oi...

Page 28: ...ew oil to the rubber gasket on the replacement filter Figure 37 4 Install the replacement oil filter to the filter adapter turn the oil filter clockwise until the rubber gasket contacts the filter ada...

Page 29: ...on the insulator usually means that the air cleaner is dirty 2 If needed clean the spark plug with a wire brush to remove carbon deposits Figure 39 1 Center electrode insulator 3 Air gap not to scale...

Page 30: ...shut off valve and allow the gasoline to drain into a gas can or drain pan Note Now is the best time to install a new fuel filter because the fuel tank is empty Refer to Replacing the Fuel Filter 7 In...

Page 31: ...s to shield your eyes and rubber gloves to protect your hands Removing the Battery Battery terminals or metal tools could short against metal machine components causing sparks Sparks can cause the bat...

Page 32: ...ing Wear safety glasses to shield your eyes and rubber gloves to protect your hands Fill the battery where clean water is always available for flushing the skin 1 Look at the side of the battery The e...

Page 33: ...re installed in battery Connect a 3 to 4 amp battery charger to the battery posts Charge the battery at a rate of 3 to 4 amperes for 4 to 8 hours 12 volts Do not overcharge the battery 4 When the batt...

Page 34: ...e Track Tension Service Interval After the first 50 hours Every 100 hours To check the tension of each track place 45 lb 20 4 kg on the track midway between the front road wheel and the drive sprocket...

Page 35: ...emove it from the machine Figure 49 9 Beginning at the drive sprocket coil the new track around the sprocket ensuring that the lugs on the track fit between the spacers on the sprocket Figure 49 10 Pu...

Page 36: ...tact you Authorized Service Dealer for a replacement belt 1 Raise the boom and set the parking brake 2 Stop the engine remove the key and wait for all moving parts to stop before leaving the operating...

Page 37: ...eference bar Figure 53 Figure 53 1 Front of the control out of alignment 2 Reference bar 4 If the front of the traction control does not rest square and flush with the reference bar loosen the flange...

Page 38: ...ed so that it tracks straight in reverse Adjusting the Traction Control Neutral Position If the machine creeps forward or backward when the traction control is in neutral and the unit is warm the retu...

Page 39: ...completely 5 Remove the top cover 6 Remove the hydraulic tank filler cap and filter Figure 58 7 Place a drain pan capable of hold 10 US Gallons 37 8 l under the hydraulic tank 8 Pinch the hose clamp a...

Page 40: ...f the digging teeth and replace any that are worn or damaged Due to the high amount of wear placed on the digging teeth you will need to replace them periodically To replace a single tooth remove the...

Page 41: ...t will wear especially when used in sandy or clay soils When this happens the digging chain will begin to slip If the chain slips replace the drive sprocket as follows 1 Raise the trencher a few inche...

Page 42: ...th blocked screens dirty or plugged cooling fins and or cooling shrouds removed will result in engine damage from overheating 1 Lower the boom and set the parking brake 2 Stop the engine remove the ke...

Page 43: ...ine to distribute conditioned fuel through the fuel system 5 minutes C Stop the engine allow it to cool and drain the fuel tank using a pump type syphon D Restart the engine and run it until it stops...

Page 44: ...ine blower housing are plugged 4 Remove any obstructions from the cooling fins and air passages 5 The spark plug is pitted fouled or the gap is incorrect 5 Install a new correctly gapped spark plug En...

Page 45: ...g is not appropriate for the type of ground 2 Evaluate the ground type and change chains if necessary 3 The hydraulic system is overheated 3 Shutdown and allow the system to cool The trencher does not...

Page 46: ...Schematics Electrical Schematic Model 22970 Rev A Electrical Schematic Model 22971 Rev A 46...

Page 47: ...Electrical Schematic Model 22974 Rev A 47...

Page 48: ...T A FRONT B REAR M1 13 13 6 6 10 10 10 10 10 13 X 1 13 X 1 13 X 1 13 X 1 19 19 16 51 25 X 254 25 P2 P3 POR T A POR T B POR T B POR T A R LIFT DRIVE TRENCHER L P1 M2 M3 20 um S P B A B A Hydraulic Sch...

Page 49: ...FRONT B REAR M1 13 13 6 6 10 10 10 10 10 13 X 1 13 X 1 13 X 1 13 X 1 19 19 16 51 25 X 254 25 P2 P3 POR T A POR T B POR T B POR T A R LIFT DRIVE TRENCHER L P1 M2 M3 20 um S P B A B A Hydraulic Schemati...

Page 50: ...Notes 50...

Page 51: ...Notes 51...

Page 52: ...ound to be defec tive Examples of parts which are consumed or used up during normal Product operation include but are not limited to digging teeth tines spark plugs tires tracks filters chains etc Fai...

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