Toro 22331 TX 420, Operator'S Manual

Page 1: ...Form No 3357 140 Rev A TX 420 and TX 425 Compact Utility Loader Model No 22331 Serial No 280000001 and Up Model No 22332 Serial No 280000001 and Up Register at www Toro com Original Instructions EN ...

Page 2: ...ntents Introduction 2 Safety 3 Safe Operating Practices 3 Sound Pressure 6 Sound Power 6 Vibration 6 Slope Chart 7 Safety and Instructional Decals 8 Setup 11 1 Activating the Battery 11 2 Checking Fluid Levels 12 Product Overview 13 Controls 13 Specifications 17 Attachments Accessories 17 Stability Data 18 Operation 19 Adding Fuel 19 Checking the Engine Oil Level 20 Checking the Hydraulic Fluid Le...

Page 3: ...ions to avoid serious injury or death Engine exhaust contains carbon monoxide an odorless deadly poison that can kill you Do not run the engine indoors or in an enclosed area Training Read the Operator s Manual and other training material If the operator s or mechanic s can not read English it is the owner s responsibility to explain this material to them Become familiar with the safe operation of...

Page 4: ...cts that may obscure vision Read all attachment manuals Ensure that the area is clear of other people before operating the traction unit Stop the traction unit if anyone enters the area Never leave a running traction unit unattended Always lower the loader arms stop the engine set the parking brake and remove the key before leaving Do not exceed the rated operating capacity as the traction unit ma...

Page 5: ...gine and remove the key Wait for all movement to stop before adjusting cleaning or repairing Clean debris from attachments drives mufflers and engine to help prevent fires Clean up oil or fuel spillage Let the engine cool before storing and do not store near flame Do not store fuel near flames or drain indoors Park the machine on level ground Never allow untrained personnel to service the machine ...

Page 6: ... 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 Hydraulic fluid escaping under pressure can penetrate skin and cause injury requiring surgery within a few hours by a qualified surgeon or gangrene may result Sound Pressure This unit has a maximum sound pressure level at the operator s ear of 90 dBA bas...

Page 7: ...Slope Chart 7 ...

Page 8: ...der arms raised 104 9957 1 Warning read the Operator s Manual 2 Warning remove the ignition key and lower the loader arms before leaving the machine 3 Crushing hazard install the cylinder lock and read the instructions before servicing or performing maintenance 4 Cutting hazard of hands or feet wait for moving parts to stop stay away from moving parts 5 Crushing dismemberment hazard of bystanders ...

Page 9: ...108 4634 1 Traction Control 3 Reverse 2 Forward 4 Turn right or left 104 9953 1 Lower the loader arms 4 Curl the bucket 2 Dump the bucket 5 Float the bucket on the ground 3 Raise the loader arms 104 9954 1 Crushing hazard of hands or feet install the cylinder lock 108 4636 1 Auxiliary hydraulics 3 Forward 2 Locked reverse detent 4 Neutral off 104 9958 1 Disengaged 3 Engaged 2 Parking brake 104 997...

Page 10: ...ce burn hazard stay a safe distance from the hot surface 93 9084 1 Lift point 2 Tie down point 93 7814 1 Entanglement hazard belt stay away from moving parts 93 6686 1 Hydraulic oil 2 Read the Operator s Manual 108 4616 10 ...

Page 11: ...ectrolyte can be spilled on other parts and cause corrosion Figure 2 1 Battery 4 Rubber cover 2 Battery clamp 5 Negative cable 3 Positive cable 6 Bolts and nuts 3 Tilt the top of the battery rearward and slide it out of the traction unit Important Do not allow the battery posts to touch the frame or hydraulic lines or it may cause sparks 4 Clean the top of the battery and remove the vent caps Figu...

Page 12: ...ect the positive red cable to the positive battery post Figure 5 Slide the rubber cover over the battery post Incorrect battery cable routing could damage the traction unit 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 re...

Page 13: ... to start and stop the engine has three 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 ...

Page 14: ... 12 G008132 Figure 12 To stop release the traction control Figure 8 Note The farther you move the traction control in any direction the faster the machine will move in that direction Loader Arm Attachment Tilt Lever To tilt the attachment forward slowly move the lever to the right Figure 13 To tilt the attachment rearward slowly move the lever to the left Figure 13 To lower the loader arms slowly ...

Page 15: ...m attachment tilt lever Auxiliary Hydraulics Lever To operate a hydraulic attachment in the forward direction rotate the auxiliary hydraulics lever rearward and pull it down to the reference bar Figure 15 number 1 To operate a hydraulic attachment in reverse direction rotate the hydraulics lever rearward then move it left into the upper slot Figure 15 number 2 If you release the lever while in the...

Page 16: ...gged on the traction unit When the engine is running it displays the speed of the engine in revolutions per minute rpm After 50 hours and then every 100 hours thereafter that is at 150 250 350 etc the screen displays CHG OIL to remind you to change the engine oil After every 100 hours the screen displays SVC to remind you to perform the other maintenance procedures based on a 100 200 or 400 hour s...

Page 17: ...t 46 inches 117 cm Weight 2060 lb 935 Kg Operating capacity 500 lb 227 Kg Tipping capacity 1430 lb 694 Kg Wheelbase 31 2 inches 79 cm Dump height with narrow bucket 46 inches 119 cm Reach fully raised with narrow bucket 22 inches 55 cm Height to hinge pin narrow bucket in highest position 66 inches 168 cm Attachments Accessories A selection of Toro approved attachments and accessories are availabl...

Page 18: ...ng of B a Rear Uphill rating of D and a Side Uphill rating of C then you could drive forward up a 20 slope rearward up a 12 slope or sideways on a 14 slope as listed in the following table for the TX 420 traction unit TX 420 Model 22331 Maximum Recommended Slope when Operating with Front Uphill Rear Uphill Side Uphill Configuration Traction unit without attachment 11 21 19 Traction unit with an at...

Page 19: ...hich can ignite the gasoline vapors A fire or explosion from gasoline can burn you and others and can damage property Always place gasoline containers on the ground away from your vehicle before filling Do not fill gasoline containers inside a vehicle or on a truck or trailer bed because interior carpets or plastic truck bed liners may insulate the container and slow the loss of any static charge ...

Page 20: ...Slide the dipstick fully into the dipstick tube Figure 17 7 Pull the dipstick out and look at the metal end 8 If the oil level is low clean around the oil filler cap and remove the cap Figure 18 Figure 18 1 Filler cap 2 Valve cover 9 Slowly pour only enough oil into the valve cover to raise the level to the F full mark Important Do not overfill the crankcase with oil because the engine may be dama...

Page 21: ... When starting the engine in cold conditions allow the engine to run in the middle throttle position for 2 to 5 minutes before moving the throttle to fast rabbit Note If outdoor temperature is below freezing store the traction unit in a garage to keep it warmer and aid in starting Stopping the Engine 1 Move the throttle lever to the slow turtle position 2 Lower the loader arms to the ground 3 Turn...

Page 22: ...r Figure 21 6 Slowly lower the loader arms until cylinder lock contacts the cylinder body and rod end Removing Storing the Cylinder Lock Important Ensure that the cylinder lock is removed from the rod and fully secured in the storage position before operating the traction unit 1 Start the engine 2 Raise the loader arms to the fully raised position 3 Stop the engine 4 Remove the clevis pin and cott...

Page 23: ...p the engine 7 Engage the quick attach pins ensuring that they are fully seated in the mount plate Figure 23 Important If the pins do not rotate to the engaged position the mount plate is not fully aligned with the holes in the attachment receiver plate Check the receiver plate and clean it if necessary Figure 23 1 Quick attach pins shown in engaged position 3 Engaged position 2 Disengaged positio...

Page 24: ...neutral Removing an Attachment 1 Lower the attachment to the ground 2 Stop the engine 3 Disengage the quick attach pins by turning them to the outside 4 If the attachment uses hydraulics move the auxiliary hydraulics lever forward backward and back to neutral to relieve pressure at the hydraulic couplers 5 If the attachment uses hydraulics slide the collar back on the hydraulic couplers and discon...

Page 25: ...the battery cable connections Check and adjust the track tension Check the hydraulic lines for leaks loose fittings kinked lines loose mounting supports wear weather and chemical deterioration Check for dirt build up in the chassis Every 200 hours Change the oil filter Check the spark plugs Change the fuel filter Replace the drive belt Replace the hydraulic filter Every 250 hours Check and grease ...

Page 26: ...ing the Hood 1 Push down on the hood while using a coin or screwdriver to turn the hood latch clockwise Figure 24 Figure 24 1 Hood push down 2 Hood latch turn clockwise 2 Swing the hood up Figure 25 Figure 25 1 Hood swing up 3 Swing the prop rod up and secure it in the bracket on the hood Figure 26 Figure 26 1 Prop rod 3 Hood 2 Bracket 4 Prop rod holder Closing the Hood 1 Pull the prop rod out of ...

Page 27: ... slots in the front screen and frame Figure 28 1 Side screen Installing the Side Screens Slide the side screens into place in the slots in the front screen and frame Removing the Front Screen If the engine has been running the heat shield will be very hot and could burn you Allow the traction unit cool completely before touching the heat shield 1 Open the hood and remove both side screens 2 Loosen...

Page 28: ...8 When finished install the front screen with the 4 bolts removed previously 9 Install the oil cooler to the front screen with the 4 shoulder bolts and nuts removed previously 10 Slide the heat shield between the frame and the front weight and secure it to the front screen grill using the carriage bolts and nuts removed previously Figure 29 11 Tighten the bolts securing the front weight Figure 29 ...

Page 29: ... foam air filter element and check the paper element for damage Every 100 hours Replace the paper air filter element Note Service the air cleaner more frequently if operating conditions are extremely dusty or sandy Removing the Filters 1 Lower the loader arms stop the engine and remove the key 2 Open the hood 3 Clean around the air cleaner to prevent dirt from getting into the engine and causing d...

Page 30: ... the foam pre filter onto the paper filter Figure 36 2 Place the air cleaner assembly onto the air cleaner base Figure 34 3 Install the cover spacer and secure it with the cover nut Figure 34 Torque the nut to 95 inch lb 11 N m 4 Install the air cleaner cover and secure with the knob Figure 34 5 Close the hood Servicing the Engine Oil Service Interval After the first 50 hours Every 100 hours Chang...

Page 31: ...proper type through the center hole of the filter Stop pouring when the oil reaches the bottom of the threads 5 Allow a minute or two for the oil to be absorbed by filter material then pour off the excess oil 6 Apply a thin coat of new oil to the rubber gasket on the replacement filter 7 Install the replacement oil filter to the filter adapter Turn the oil filter clockwise until the rubber gasket ...

Page 32: ... electrode insulator 3 Air gap not to scale 2 Side electrode 2 Check the gap between the center and side electrodes Figure 41 3 Bend the side electrode Figure 41 if the gap is not correct Installing the Spark Plugs 1 Thread the spark plugs into the spark plug holes 2 Tighten the spark plugs to 20 ft lb 27 N m 3 Push the wires onto the spark plugs Figure 40 4 Close the hood Fuel System Maintenance ...

Page 33: ...ver smoke when draining gasoline and stay away from an open flame or where a spark may ignite the gasoline fumes 1 Lower the loader arms stop the engine and remove the key 2 Syphon the gasoline from the tank using a pump type syphon Note Now is the best time to install a new fuel filter because the fuel tank is empty Electrical System Maintenance Servicing the Battery Service Interval Every 100 ho...

Page 34: ...lectrolyte level is up to the Upper line Figure 43 on the battery case Important Do not overfill the battery because electrolyte sulfuric acid can cause severe corrosion and damage to the chassis 5 Wait five to ten minutes after filling the battery cells Add distilled water if necessary until the electrolyte level is up to the Upper line Figure 43 on the battery case 6 Install the battery filler c...

Page 35: ...nt Ensure that you use high pressure water to wash only the track area Do not use a high pressure washer to clean the rest of the traction unit High pressure washing can damage the electrical system and hydraulic valves or deplete grease Important Ensure that you fully clean the road wheels the tension wheel and the drive sprocket Figure 45 The road wheels should rotate freely when clean Figure 45...

Page 36: ... tube 8 Road wheels 5 Push the tension wheel toward the rear of the unit to move the fork tube against the frame Figure 48 If it does not touch the frame continue turning the tensioning screw until it does 6 Begin removing the track at the top of the tension wheel peeling it off of the wheel while rotating the track forwards 7 When the track is off of the tension wheel remove it from the drive spr...

Page 37: ...f the area between where the washers were installed and the bearings inside the wheels then fill this area on each side of each wheel with grease 11 Install the large washers on the wheels over the grease 12 Install the inner tension wheel and secure it with the nut removed previously Figure 49 13 Torque the nut to 300 ft lb 407 N m 14 Install the new track ensuring that the lugs in the track fit ...

Page 38: ...eners you removed previously Torque the bolts to 67 to 83 ft lb 91 to 112 N m 10 Install the tracks refer to Replacing the Tracks Belt Maintenance Inspecting Replacing the Drive Belt Service Interval Every 25 hours Inspect the drive belt for wear or damage Every 200 hours Replace the drive belt Replace the belt if you find any signs of wear cracks or damage or after 200 operating hours whichever c...

Page 39: ...ly 2 Drive belt routing 5 Remove the belt from the three pulleys Figure 54 Figure 54 6 Install a new drive belt around the three pulleys Figure 53 7 Install the end of the idler pulley spring to the arm on the idler pulley assembly 8 Using the spring removal tool pull the idler spring hook up and around the stud on the traction unit pulling the idler pulley tight 9 Remove the spring removal tool f...

Page 40: ...the front of the control contacts the reference bar Figure 55 Figure 55 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 nut and bolt in the stem of the traction control Figure 56 Figure 56 1 Traction control 2 Stem bolt and nut 5 Adjust the traction control so that it rests flush ...

Page 41: ...ment previously described so that it tracks straight in reverse Adjusting the Tracking of the Traction Control Full Forward Position If the traction unit does not drive straight when you hold the traction control against the reference bar complete the following procedure 1 Drive the traction unit with the traction control against the reference bar noting which direction the traction unit veers 2 R...

Page 42: ...ne and check for leaks Hydraulic fluid escaping under pressure can penetrate skin and cause injury Fluid injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result 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 us...

Page 43: ...r a few minutes 11 Stop the engine 12 Check the hydraulic fluid level and top it off if necessary refer to Checking Hydraulic Fluid 13 Close the hood 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 Make necessary repairs before operating Every 1 500 hours Ev...

Page 44: ...ning the Chassis Service Interval Every 100 hours Check for dirt build up in the chassis Over time the chassis under the engine collects dirt and debris that must be removed Using a flashlight open the hood and inspect the area under the engine on a regular basis When the debris is 1 to 2 inches deep complete the following procedure refer to Figure 63 throughout this procedure Figure 63 1 Side wei...

Page 45: ...is clear Important Take care not to get water into the engine or electrical components 16 Slide the fuel tank part way into the chassis Figure 63 17 Connect the fuel line and remove the clamp 18 Secure the tank cap 19 On the right side of the tank connect the orange wire to the center post and the black wire to the outside post Figure 64 20 Slide the tank all the way into the traction unit Importa...

Page 46: ...the spark plugs 11 Charge the battery refer to Servicing the Battery 12 For storage over 30 days prepare the traction unit as follows A Add a petroleum based stabilizer conditioner to fuel in the tank Follow mixing instructions from stabilizer manufacturer 1 oz per US gallon Do not use an alcohol based stabilizer ethanol or methanol Note Fuel stabilizer conditioner is most effective when mixed wit...

Page 47: ...rty 2 Clean or replace the air cleaner elements 3 The oil level in crankcase is low 3 Check and add oil to the crankcase 4 The cooling fins and air passages under the engine blower housing are plugged 4 Remove any obstructions from the cooling fins and air passages 5 The spark plugs are pitted fouled or the gap is incorrect 5 Install new correctly gapped spark plugs 6 There is dirt in the fuel fil...

Page 48: ...Schematics Electrical Schematic Rev A 48 ...

Page 49: ...Hydraulic Schematic Rev A 49 ...

Page 50: ...Notes 50 ...

Page 51: ...Notes 51 ...

Page 52: ...bject to consumption through use unless found 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 Failures caused by outside influence Items considered to be outside influence include but are not limited to weather storage practices contamination use of unappr...