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Hydraulic System
Maintenance

Servicing the Hydraulic
System

Checking the Hydraulic Fluid

Service Interval:

After the first 8 hours

Every 50 hours

Fluid Type: Mobil 1 15W-50 synthetic motor oil or
equivalent synthetic oil.

Important:

Use oil specified or equivalent. Other

fluids could cause system damage.

Note:

There are two ways of checking the hydraulic

oil; when the oil is warm or when the oil is cold. The
tank has two levels depending if the oil is warm or cold
(Figure 49).

1. Position the machine on a level surface and set the

parking brake.

2. Clean the area around the hydraulic tank (Figure 49).

3. If the machine has not been started and is cold,

ensure the fluid is up to the cold line on the side of
the hydraulic tank.

4. If the machine has been run and is up to normal

operating temperature, ensure the fluid is up to the
hot line on the side of the hydraulic tank.

5. If fluid is needed, remove the cap from the filler

neck (Figure 49).

6. Add fluid to the reservoir until it reaches the cold or

hot line of the tank depending on the temperature
of the fluid.

7. Install the cap on filler neck.

Figure 49

1.

Cap

3.

Cold fluid level-full

2.

Baffle

4.

Hot fluid level-full

Hydraulic fluid escaping under pressure can
penetrate skin and cause injury.

•

If hydraulic fluid is injected into the skin
it must be surgically removed within a few
hours by a doctor familiar with this type of
injury. Gangrene may result if this is not
done.

•

Keep body and hands away from pin hole
leaks or nozzles that eject high pressure
hydraulic fluid.

•

Use cardboard or paper to find hydraulic
leaks.

•

Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.

•

Make sure all hydraulic fluid hoses and
lines are in good condition and all hydraulic
connections and fittings are tight before
applying pressure to hydraulic system.

Replacing the Hydraulic Filters and Oil

Service Interval:

After the first 250 hours

Yearly—Change the hydraulic filters
and oil.

38

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Содержание 74408 Z334 Z Master

Страница 1: ...or Z340 Z Master with a 40in 7 Gauge Side Discharge Mower Model No 74408 Serial No 280000001 and Up Model No 74408CP Serial No 280000001 and Up Model No 74409 Serial No 280000001 and Up Model No 74409CP Serial No 280000001 and Up Register at www Toro com Original Instructions EN ...

Страница 2: ... directly at www Toro com for product and accessory information help finding a dealer or to register your product Whenever you need service genuine Toro parts or additional information contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready Figure 1 identifies the location of the model and serial numbers on the product Write the num...

Страница 3: ...Servicing the Spark Plugs 28 Fuel System Maintenance 29 Draining the Fuel Tank 29 Replacing the Fuel Filter 29 Electrical System Maintenance 30 Servicing the Battery 30 Servicing the Fuses 32 Drive System Maintenance 33 Checking the Tire Pressure 33 Adjusting the Caster Pivot Bearing 33 Cooling System Maintenance 34 Cleaning the Air Intake Screen 34 Cleaning the Engine Cooling System 34 Brake Main...

Страница 4: ...rea 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 refuel or drain the machine indoors Never remove gas cap or add fuel with engine running Allow engine to cool before refueling Do not smoke C...

Страница 5: ...toring and do not store near flame Shut off fuel while storing or transporting Do not store fuel near flames or drain indoors Park machine on level ground Never allow untrained personnel to service machine Use jack stands to support components when required Carefully release pressure from components with stored energy Disconnect battery or remove spark plug wire before making any repairs Disconnec...

Страница 6: ...e such as near a water heater or furnace Never fill containers inside a vehicle or on a truck or trailer with a plastic liner Always place containers on the ground away from your vehicle before filling Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until the fueling is complete Do not use a nozzle lock open device If fuel is spilled on clothing change cl...

Страница 7: ...Slope Chart 7 ...

Страница 8: ... 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 Wear eye protection 9 Flush eyes immediately with water and get medical help fast 5 Read the Operator s Manual 10 Contains lead do not discar...

Страница 9: ...109 2356 1 Fast 3 Neutral 2 Slow 4 Reverse 109 2463 109 2467 109 2490 109 2539 112 3830 112 3831 112 3832 112 3834 112 3836 9 ...

Страница 10: ...el Controls Become familiar with all the controls before you start the engine and operate the machine Figure 3 and Figure 4 Figure 4 1 Ignition switch 4 Choke lever 2 Hour meter 5 Throttle control 3 PTO Switch Using the Hour Meter The hour meter Figure 5 records the number of hours the engine has operated It operates when the engine is running Use these times for scheduling regular maintenance 10 ...

Страница 11: ...use the fuel system could be damaged Do not mix oil with gasoline In certain conditions gasoline is extremely flammable and highly explosive A fire or explosion from gasoline can burn you and others and can damage property Fill the fuel tank outdoors in an open area when the engine is cold Wipe up any gasoline that spills Never fill the fuel tank inside an enclosed trailer Do not fill the fuel tan...

Страница 12: ...a fuel stabilizer conditioner in 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 am...

Страница 13: ...op offs and water 3 Water This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss through extended periods of exposure Wear hearing protection when operating this machine Use protective equipment for your eyes hearing feet and head Figure 8 1 Warning wear hearing protection Operating the Parking Brake Always set the parking brake when you stop the mac...

Страница 14: ...t position before starting a cold engine Figure 11 Figure 11 1 Choke on 3 Throttle slow 2 Choke off 4 Throttle fast 6 Turn the ignition key to Start When the engines starts release the key Figure 12 Important Do not engage starter for more than 10 seconds at a time If engine fails to start allow 30 second cool down period between attempts Failure to follow these instructions can burn out starter m...

Страница 15: ...3 Place the throttle in the fast position Note Engaging the PTO with the throttle at the half or less position will cause excessive wear to the drive belts 4 Pull out on the power take off PTO switch to engage it Figure 13 Figure 13 1 PTO On knob out 2 PTO Off knob in Disengaging the PTO To disengage push the PTO switch to the off position Figure 13 The Safety Interlock System If safety interlock ...

Страница 16: ... Driving Forward or Backward The throttle control regulates the engine speed as measured in RPM revolutions per minute Place the throttle control in the fast position for best performance Always operate in the full throttle position when mowing Machine can spin very rapidly Operator may lose control of machine and cause personal injury or damage to machine Use caution when making turns Slow the ma...

Страница 17: ...ed even if just for a few minutes Adjusting the Height of Cut The height of cut is adjusted from 1 to 5 inch 25 to 127 mm in 1 4 inch 6 mm increments by relocating the clevis pin into different hole locations 1 Raise the height of cut lever to the transport position also the 5 inch 127 mm cutting height position Figure 15 2 To adjust remove the clevis pin from the height of cut bracket Figure 15 3...

Страница 18: ...bracket 5 Spacer 3 Flange Nut 6 Bushing Positioning the Seat The seat can move forward and backward Position the seat where you have the best control of the machine and are most comfortable 1 Raise the seat and loosen the adjustment bolts Figure 18 2 Move the seat to the desired position and tighten the bolts Figure 18 1 Adjustment bolts 2 Seat Pushing the Machine by Hand Important Always push the...

Страница 19: ...our hands or feet under the mower Never try to clear the discharge area or mower blades unless you move the power take off PTO to the off position rotate the ignition key to off and remove the key Make sure the grass deflector is in the down position Transporting Machines Use a heavy duty trailer or truck to transport the machine Ensure that the trailer or truck has all necessary lighting and mark...

Страница 20: ...ackward tip over and could cause serious injury or death Use extreme caution when operating a unit on a ramp Use only a single full width ramp Do Not use individual ramps for each side of the unit If individual ramps must be used use enough ramps to create an unbroken ramp surface wider than the unit Do not exceed a 15 degree angle between ramp and ground or between ramp and trailer or truck Avoid...

Страница 21: ...tly longer than normal or if it contains a high degree of moisture raise the cutting height higher than usual and cut the grass at this setting Then cut the grass again using the lower normal setting When Stopping If the machine s forward motion must be stopped while mowing a clump of grass clippings may drop onto your lawn To avoid this move onto a previously cut area with the blades engaged Keep...

Страница 22: ...ling fins and shrouds Inspect all belts for cracks and wear Every 150 hours Lubricate the machine with light oil Every 200 hours Replace the paper air cleaner element Replace the oil filter Replace the fuel filter Every 500 hours Adjust the caster pivot bearing Yearly Grease the front caster pivots more often in dirty or dusty conditions Lubricate the caster wheel hubs Change the hydraulic filters...

Страница 23: ...just the caster pivots Keep the dust cap off until greasing is done Refer to Adjusting the Caster Pivot Bearing in Drive System Maintenance page 33 2 Remove the hex plug Thread a grease zerk into the hole 3 Pump grease into the zerk until it oozes out around the top bearing 4 Remove the grease zerk in the hole Install the hex plug and cap Where to Add Grease Lubricate the grease fittings as shown ...

Страница 24: ...gure 25 5 Remove the seal guard from the wheel hub Figure 25 Figure 25 1 Caster fork 4 Caster wheel 2 Bolt 5 Nut 3 Seal guard 6 Remove one of the spacer nuts with wrench flats from the axle Figure 27 Note Thread locking adhesive has been applied to the spacer nuts 7 Remove the axle without removing the opposite spacer nut Figure 27 8 Remove the seals and inspect the bearings for wear or damage Rep...

Страница 25: ... 9 N m then loosen it and torque it to 20 25 in lb 2 3 N m Make sure the axle does not extend past either nut Figure 26 17 Install the seal guards over the wheel hubs and insert the wheel into the caster fork Figure 25 18 Install the caster bolt and tighten the nut Figure 25 Important Check the bearing adjustment often to prevent seal and bearing damage Spin the caster tire The tire should not spi...

Страница 26: ... cleaner assembly Figure 28 6 Carefully pull the foam element off the paper element Figure 28 Figure 28 1 Engine 4 Foam element 2 Cover 5 Paper element 3 Wing nut 6 Cover knob Cleaning the Foam Air Cleaner Element Service Interval Every 25 hours more often in dirty or dusty conditions 1 Wash the foam element in liquid soap and warm water When the element is clean rinse it thoroughly 2 Dry the elem...

Страница 27: ...gure 30 so that dirt cannot fall into the filler hole and damage the engine Figure 30 1 Oil dipstick 2 Filler tube 5 Unscrew the oil dipstick and wipe the end clean Figure 30 6 Slide the oil dipstick fully into the filler tube but do not thread onto tube Figure 30 7 Pull the dipstick out and look at the metal end If the oil level is low slowly pour only enough oil into the filler tube to raise the...

Страница 28: ...ill 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 7 Check the engine oil level and add oil if needed Servicing the Spark Plugs Service Interval Specification Ensure that the air gap between the center and side electrodes is correct before installing the spark plug Us...

Страница 29: ... engine is cold Do this outdoors in an open area Wipe up any gasoline that spills Never smoke when draining gasoline and stay away from an open flame or where a spark may ignite the gasoline fumes 1 Park the machine on a level surface to ensure that the fuel tank drains completely 2 Disengage the blade control switch and move the control levers to the neutral locked position and apply the parking ...

Страница 30: ...als and related accessories contain lead and lead compounds chemicals known to the State of California to cause cancer and reproductive harm Wash hands after handling Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns Do not drink electrolyte and avoid contact with skin eyes or clothing Wear safety glasses to shield your eyes and rubber gloves to protect yo...

Страница 31: ...itive red battery terminal Then remove the positive red battery cable Figure 36 Figure 36 1 Battery 7 J bolts 2 Positive battery post 8 Bolt 1 4 x 3 4 inch 3 Negative battery post 9 Ground wire 4 Terminal boot 10 Negative battery cable 5 Battery clamp 11 Locknut 1 4 inch 6 Wingnut 1 4 inch 12 Positive battery cable 6 Remove both wing nuts 1 4 inch securing the battery clamp Figure 36 7 Remove the ...

Страница 32: ...leads from the battery posts Figure 37 Figure 37 3 Install the battery in 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 Servicing the Fuses The electrical system is protected by fuses It requires no maintenance however if a fuse blows check component circuit for malfunction or short F...

Страница 33: ...ssure maintenance Figure 39 Adjusting the Caster Pivot Bearing Service Interval Every 500 hours 1 Disengage the PTO move the motion control levers to the neutral locked position 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 Remove the dust cap from caster and tighten lock nut Figure 40 4 Tighten the locknut ...

Страница 34: ...engine parts 5 Install air intake screen recoil starter and fan housing Figure 41 Figure 41 1 Air intake screen 4 Bolt 2 Fan housing 5 Nut 3 Recoil starter Brake Maintenance Servicing the Brakes Before each use check the brakes on both a level surface and slope Always set the parking brake when you stop the machine or leave it unattended If the parking brake does not hold securely see an Authorize...

Страница 35: ...he belt covers over the outside spindles Figure 44 4 Pull on the idler arm to relieve the belt tension on the left spindle pulley Figure 42 or Figure 43 5 Remove the old belt 6 Install the new belt around the pulleys Figure 42 or Figure 43 7 Install the belt onto the spring loaded idler pulley Figure 42 34 inch Mower 1 Fixed idler pulley 3 Mower belt 2 Left spindle pulley 4 Spring loaded idler arm...

Страница 36: ...ded idler to the side and align the belt 8 Release the pressure on the spring loaded idler Figure 45 Figure 45 1 Belt 3 Engine pulley 2 Transmission pump pulleys 4 Spring loaded idler pulley Controls System Maintenance Adjusting the Control Handle Neutral Position 1 Disengage the PTO move the motion control levers to the neutral locked position and set the parking brake 2 Stop the engine remove th...

Страница 37: ...Tracking 1 If the machine turns right or left when the handles are pushed forward together adjust the stop on the side opposite that the machine turns 2 Loosen the bolt located in front of the control lever 3 Move the stop until the machine drives straight Figure 48 4 Tighten the bolt located in front of the control lever Figure 48 Figure 48 1 Control lever 3 Bolt in front of the control lever 2 S...

Страница 38: ...eeded remove the cap from the filler neck Figure 49 6 Add fluid to the reservoir until it reaches the cold or hot line of the tank depending on the temperature of the fluid 7 Install the cap on filler neck Figure 49 1 Cap 3 Cold fluid level full 2 Baffle 4 Hot fluid level full Hydraulic fluid escaping under pressure can penetrate skin and cause injury If hydraulic fluid is injected into the skin i...

Страница 39: ...Add oil until it reaches the cold line on the hydraulic tank Figure 49 9 Raise the rear of machine up just enough to allow the drive wheels to turn freely and support it with jack stands 10 Start the engine and move the throttle control ahead to the 1 2 throttle position Disengage the parking brake 11 With the bypass valve open and the engine running slowly move the directional control in both for...

Страница 40: ... bracket Figure 51 10 Adjust the discharge side front bolt so it is in the middle of the slot located in the pivot bracket Figure 52 11 Raise the mower deck and remove the blocks holding up the mower deck 12 Adjust the left front bolt in the pivot bracket so the chain has no slack in it 13 Inspect the four chains The chains need to have tension Note When properly adjusted the front blade tip will ...

Страница 41: ...amage File down any nicks and sharpen the blades as necessary If a blade is damaged or worn replace it immediately with a genuine Toro replacement blade For convenient sharpening and replacement you may want to keep extra blades on hand A worn or damaged blade can break and a piece of the blade could be thrown into the operator s or bystander s area resulting in serious personal injury or death In...

Страница 42: ...ts to stop before leaving the operating position 3 Rotate the blades until the ends face forward and backward Figure 54 or Figure 55 Measure from a level surface to the cutting edge at position A of the blades Figure 54 or Figure 55 Note this dimension A 1 G004621 A A 2 Figure 54 34 inch Mower 1 Measure here from blade to hard surface 2 Position A Figure 55 40 inch Mower 1 Measure here from blade ...

Страница 43: ...lade pieces of blade could be thrown and cause serious injury Wear proper eye protection when sharpening blade 1 Use a file to sharpen the cutting edge at both ends of the blade Figure 56 Maintain the original angle The blade retains its balance if the same amount of material is removed from both cutting edges Figure 56 1 Sharpen at original angle 2 Check the balance of the blade by putting it on ...

Страница 44: ...the locknut bolt spring and spacer holding the deflector to the pivot brackets Figure 59 Remove the damaged or worn grass deflector 2 Place the spacer and spring onto grass deflector Place one end of spring behind deck edge Note Make sure the end of the spring is installed behind the deck edge before installing the bolt as shown in Figure 59 3 Install the bolt and nut Place the end of the spring a...

Страница 45: ...o Servicing the Air Cleaner in Engine Maintenance page 26 4 Grease the machine refer to Greasing and Lubrication in Lubrication page 22 5 Change the crankcase oil refer to Servicing the Engine Oil in Engine Maintenance page 26 6 Check the tire pressure refer to Checking the Tire Pressure in Drive System Maintenance page 33 7 Change the hydraulic filter refer to Servicing the Hydraulic System in Hy...

Страница 46: ...e stabilizer conditioned fuel over 90 days 12 Check and tighten all bolts nuts and screws Repair or replace any part that is damaged 13 Paint all scratched or bare metal surfaces Paint is available from your Authorized Service Dealer 14 Store the machine in a clean dry garage or storage area Remove the key from the ignition switch and keep it out of reach of children or other unauthorized users Co...

Страница 47: ...p is plugged 5 Clean or replace the fuel cap 6 Dirt in the fuel filter 6 Replace the fuel filter Engine loses power 7 Dirt water or stale fuel is in the fuel system 7 Contact an Authorized Service Dealer 1 Engine load is excessive 1 Reduce the ground speed 2 Oil level in the crankcase is low 2 Add oil to the crankcase Engine overheats 3 Cooling fins and air passages above the engine are plugged 3 ...

Страница 48: ...sure Uneven cutting height 6 Blade spindle bent 6 Contact an Authorized Service Dealer 1 Drive belt is worn loose or broken 1 Check the belt tension 2 Drive belt is off pulley 2 Install the drive belt and check adjusting shafts and belt guides for correct position 3 Deck belt is worn loose or broken 3 Install a new deck belt 4 Deck belt is off pulley 4 Install the deck pulley and check the idler p...

Страница 49: ...Schematics Wire Diagram Rev A 49 ...

Страница 50: ...Notes 50 ...

Страница 51: ...Notes 51 ...

Страница 52: ...is no other express warranty except for special emission system coverage on some products This express warranty does not cover the following Cost of regular maintenance service or parts such as lters fuel lubricants tune up parts blade sharpening brake and clutch adjustments Any product or part which has been altered or misused or required replacement or repair due to normal wear accidents or lack...

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