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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 42) on the
battery case.

6. Install the battery vent caps.

Charging the Battery

Charging the battery produces gasses that can
explode.

Never smoke near the battery and keep sparks
and flames away from battery.

Important:

Always keep the battery fully charged

(1.265 specific gravity). This is especially important
to prevent battery damage when the temperature is
below 32°F (0°C).

1. Remove the battery from the chassis; refer to

Removing the Battery.

2. Check the electrolyte level; refer to Checking the

Electrolyte Level.

3. Make sure the filler caps are 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 battery is fully charged, unplug the charger

from the electrical outlet, then disconnect the
charger leads from the battery posts (Figure 43).

5. Install the battery onto the machine and connect the

battery cables, refer to Installing the Battery.

Note:

Do not run the machine with the battery

disconnected, electrical damage may occur.

Figure 43

1.

Positive Battery Post

3.

Red (+) Charger Lead

2.

Negative Battery Post

4.

Black (-) Charger Lead

Replacing the Fuses (Model
22971 Only)

There are 4 fuses in the electrical system. They are under
the control panel on the left side (Figure 44).

Start Circuit

30 amp

Charge Circuit

25 amp

Cooler fan Circuit

15 amp

Headlight (optional)

15 amp

Figure 44

1.

Fuse block

31

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Содержание 22970

Страница 1: ...Form No 3359 661 Rev B TRX 15 and TRX 19 Trencher Model No 22970 Serial No 280000001 and Up Model No 22971 Serial No 280000001 and Up Register at www Toro com Original Instructions EN ...

Страница 2: ...gh the engine manufacturer Introduction 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 You may contact Toro directly at www Toro com for product and accessory information help finding a dealer or to register your product Whenever you need service genu...

Страница 3: ...ubrication 23 Greasing the Machine 23 Greasing the Trencher Housing 23 Engine Maintenance 24 Servicing the Air Cleaner 24 Servicing the Engine Oil 25 Servicing the Spark Plug 27 Fuel System Maintenance 28 Draining the Fuel Tank 28 Replacing the Fuel Filter 28 Electrical System Maintenance 29 Servicing the Battery Model 22971 Only 29 Replacing the Fuses Model 22971 Only 31 Drive System Maintenance ...

Страница 4: ...in 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 fuels They are flammable and vapors are explosive Use only an approved container Never remove the gas cap or add fuel with the engine running Allow the engine to cool before refueling Do not smoke Ne...

Страница 5: ...cks tree limbs etc from the work area Watch for holes ruts or bumps as uneven terrain could overturn the machine Tall grass can hide obstacles Use only Toro approved accessories Accessories can change the stability and the operating characteristics of the machine Warranty may be voided if used with unapproved accessories Keep all movements on slopes slow and gradual Do not make sudden changes in s...

Страница 6: ...sure that original standards are maintained Battery safety model 22971 only Charge batteries in an open well ventilated area away from spark and flames Unplug the charger before connecting or disconnecting it from the battery Wear protective clothing and use insulated tools Battery acid is poisonous and can cause burns Avoid contact with skin eyes and clothing Protect your face eyes and clothing w...

Страница 7: ...Slope Chart 7 ...

Страница 8: ...t 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 in Neutral move the engine speed to Fast and the choke to On Closed turn the ignition key to run and release the parking brake once the engine has started 14 Read the Operator s Manual before operati...

Страница 9: ... 3 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 boom engage the parking brake and stop the engine remove the ignition key before leaving the machine 99 9952 1 Cutting hazard chain and auger stay away from moving parts and keep bystanders away fro...

Страница 10: ...tance from the machine 107 8495 1 Parking brake Battery Symbols Some or all of these symbols are on your battery Model 22971 only 1 Explosion hazard 6 Keep bystanders a safe distance from the battery 2 No fire open flame or smoking 7 Wear eye protection explosive gases can cause blindness and other injuries 3 Caustic liquid chemical burn hazard 8 Battery acid can cause blindness or severe burns 4 ...

Страница 11: ...ve the auger Figure 3 Save the bolt and nut 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 washer 9 Drive sprocket 5 Nuts 3 Remove the 2 bolts nuts and double washers from the sides of the boom Figure 3 4 Loosen the adjusting bolt and jam nut Figure 3 5 Slide the boom over the arm on the drive head 6 Install the 2 bolts nuts and do...

Страница 12: ... 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 Model 22971 Only No Parts Required Procedure Charge the battery refer to Servicing the Battery in Maintenance for more information Product Overview Figure 4 1 Control panel 4 Chain guard 7 Boom 10 Reverse safety plate 2 Engine 5 Chain 8 Trencher hea...

Страница 13: ...een 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 the traction control and the trencher control lever To ensure smooth controlled operation do not take both hands off of the reference bar while operating the machine Traction Control Figure 6 1 Reference ...

Страница 14: ... it forward This helps to ensure that no one will accidentally lower the boom during 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 in front of the boom elevation lever pushing it down into the locked position Figure 12 Figure 12 1 Boom elevation l...

Страница 15: ... 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 You should also know and have marked the locations of all utility lines Adding Fuel Use unleaded gasoline 87 pump octane minimum Leaded regular gasoline may be used if unleaded is not available In certain conditions gasoline is extremely flammable and ...

Страница 16: ... 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 Eliminates gum like varnish buildup in the fuel system which causes hard starting Important Do not use fuel additives containing methanol or ethanol Add the correct amount of gas stabilizer condition...

Страница 17: ...Use 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 into the glass bubble on the right side of the machine If you cannot see hydraulic fluid in the bubble continue this procedure to add fluid G007808 1 Figure 17 1 Hydraulic fluid check bubble 4 Remov...

Страница 18: ...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 If the engine is run at high speeds when the hydraulic system is cold i e when the ambient air temperature is near freezing or lower hydraulic system damage could occur When starting the engine in cold cond...

Страница 19: ...rea 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 lower the boom as far into the ground as it will go with the chain running Then stop the chain and lower it fully Start the chain again and resume operation 4 Once the trencher boom is in the ground at a...

Страница 20: ...r 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 you need the finished trench to be cleaner than what is possible with the trencher you can purchase a crumber from your dealer The crumber mounts onto the trencher head and scrapes the trench clean a...

Страница 21: ...per air cleaner element Every 100 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 deterioration and repair if necessary Every 200 hours Replace the paper air cleaner element Change the oil filter Replace the fuel filter Replace the hydraulic filter ...

Страница 22: ...om stop the engine and remove the key 2 Slide the cover plate into place and secure it with the three bolts you removed previously Figure 25 Removing the Bottom Shield 1 Lower the boom stop the engine and remove the key 2 Remove the two bolts securing the bottom shield Figure 26 G007820 1 2 Figure 26 1 Bottom shield 3 Tabs 2 Bolts 3 Pull the shield back and out of the machine Installing the Bottom...

Страница 23: ...n 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 Figure 29 Figure 30 Greasing the Trencher Housing Service Interval Every 40 hours Grease Type General purpose grease 1 Lower the boom and stop the engine Remove the key 2 Clean the trencher housing grease...

Страница 24: ...r cleaner more frequently every few operating hours if the operating conditions are extremely dusty or sandy Important Do not oil the foam or paper element Removing the Foam and Paper Elements 1 Lower 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 position 3 Clean around the air cleaner to prevent dirt from get...

Страница 25: ...er assembly 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 Engine Oil Service Interval 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 oil ...

Страница 26: ...l moving parts to stop before leaving the operating position 5 Place a pan below the drain hose Rotate the oil drain valve to allow oil to drain Figure 35 Figure 35 1 Oil drain valve 2 Oil drain hose 6 When oil has drained completely close the drain valve 7 Dispose of the used oil at a recycling center 8 Slowly pour approximately 80 of the specified oil into the filler tube Figure 34 9 Check the o...

Страница 27: ...gure 37 1 Spark plug wire spark plug 4 Clean around the spark plug to prevent dirt from falling into the engine and potentially causing damage Note The heat shield may interfere on the right side remove it if necessary and replace it when finished 5 Remove the spark plug and the metal washer Checking the Spark Plug 1 Look at the center of the spark plug Figure 38 If you see light brown or gray on ...

Страница 28: ... 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 Install the fuel line onto the fuel shut off valve Slide the hose clamp close to the valve to secure the fuel line 8 Wipe up any spilled fuel Replacing the Fuel Filter Service Interval Every 200 hours ...

Страница 29: ...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 battery gasses to explode resulting in personal injury When removing or installing the battery do not allow the battery terminals to touch any metal parts of the machine Do not allow metal tools to short b...

Страница 30: ...hing 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 electrolyte must be up to the upper line Figure 42 Do not allow the electrolyte to fall below the Lower line Figure 42 Figure 42 1 Vent caps 3 Lower line 2 Upper line 2 If the electrolyte is low add t...

Страница 31: ...ps are 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 battery is fully charged unplug the charger from the electrical outlet then disconnect the charger leads from the battery posts Figure 43 5 Install the battery onto the machine and connect the battery...

Страница 32: ...he 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 The track should flex no more than 1 4 to 3 8 inch 0 6 to 1 cm If it does adjust the track tension using the following procedure Figure 46 1 Stop the machine in on a level surface and set the parkin...

Страница 33: ...remove it from the machine Figure 48 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 48 10 Push the track under and between the rear and center road wheels Figure 48 11 Starting at the bottom of the front road wheel install the track around the wheel by rotating the track rearward while push...

Страница 34: ...ntact 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 position 3 Raise the back of the machine and support it on jack stands 4 Remove the bottom shield refer to Removing the Bottom Shield 5 Loosen the two pump bolts Figure 51 Figure 51 1 Pump 3 Belt 2 ...

Страница 35: ...reference bar Figure 52 Figure 52 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 53 Figure 53 1 Traction control 2 Stem bolt and nut 5 Adjust the traction control so that it rests flush against the reference bar when it is p...

Страница 36: ...hat 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 return to neutral mechanism on the pumps may need to be adjusted contact you Authorized Service Dealer for repairs Adjusting the Tracking of the Traction Control Full Forward Position If the machine does not dri...

Страница 37: ... completely 5 Remove the top cover 6 Remove the hydraulic tank filler cap and filter Figure 57 7 Place a drain pan capable of hold 10 US Gallons 37 8 l under the hydraulic tank 8 Pinch the hose clamp and slide the clamp and hose off of the fitting on the hydraulic tank allowing the hydraulic fluid to drain from the hose and tank into the pan Figure 58 1 Hose 2 Hydraulic tank fitting 3 Hose clamp 9...

Страница 38: ...of 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 bolts securing the tooth to remove it then install a new tooth in the same position Torque the bolts securing the teeth to 27 to 33 ft lb 37 to 45 N m Checking and Adjusting the Digging Chain and Boo...

Страница 39: ...et 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 inches above the ground 2 Stop the engine and remove the key 3 Remove the spoils auger Figure 60 Figure 60 1 Spoils auger 2 Bolts 3 Drive sprocket 4 Sprocket mounting surface 4 Loosen the 2 bolts and nuts...

Страница 40: ...e with 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 key and wait for all moving parts to stop before leaving the operating position 3 Wipe away debris from the air cleaner 4 Clean any debris build up on the engine with a brush or blower Important It ...

Страница 41: ...engine 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 E Choke the engine F Start and run the engine until it will not start again G Dispose of fuel properly Recycle as per local codes Important Do not store stabilizer conditioned gasoline over 90 days...

Страница 42: ...move 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 Engine loses power 6 Dirt water or stale fuel is in fuel system 6 Contact your Authorized Service Dealer 1 The engine load is excessive 1 Reduce ground speed 2 The oil level in crankcase is low 2 Check and add oil to the crankcase The en...

Страница 43: ...ng 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 dig fast enough 4 The hydraulic system is obstructed contaminated or damaged 4 Contact your Authorized Service Dealer 43 ...

Страница 44: ...Schematics Electrical Schematic Model 22970 Rev A Electrical Schematic Model 22971 Rev A 44 ...

Страница 45: ...Hydraulic Schematic Model 22970 Rev A 45 ...

Страница 46: ...Hydraulic Schematic Model 22971 Rev A 46 ...

Страница 47: ...Notes 47 ...

Страница 48: ...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 unapproved coolants lubricants additives or ch...

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