Table of Contents
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Form No. 3358-839 Rev B
Z334 Z Master
®
with a 34in
7-Gauge Side Discharge Mower
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)
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Table of Contents
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Summary of Contents for Toro 74408 Z334 Z Master
- Page 1 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)
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Page 2: Table Of Contents
Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model This manual uses 2 other words to highlight information. and serial numbers of your product ready. Figure 1... - Page 3 Controls ............. 10 Mower Deck Maintenance ........40 Operation..............11 Leveling the Mower ..........40 Adding Fuel ............11 Servicing the Cutting Blades ....... 41 Checking the Engine Oil Level......12 Replacing the Grass Deflector......44 Think Safety First ..........12 Cleaning ..............
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Page 4: Safety
Safety • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. Improper use or maintenance by the operator or owner – Use only an approved container can result in injury. To reduce the potential for injury, –... -
Page 5: Toro Riding Mower Safety
• Avoid sudden starts when mowing uphill because • Use only Toro approved attachments. Warranty may the mower may tip backwards. be voided if used with unapproved attachments. • Be aware that loss of traction may occur going downhill. - Page 6 Safe Handling of Gasoline: To avoid personal injury or property damage, use extra care when handling gasoline and other fuels. They are flammable and the vapors are explosive. • Extinguish all cigarettes, cigars, pipes and other sources of ignition. • Never remove the gas cap or add fuel when the engine is running.
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Page 7: Slope Chart
Slope Chart... -
Page 8: 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 lost. 98-5954 1-403005 Battery Symbols Some or all of these symbols are on your battery 1. - Page 9 112-3830 109-2356 112-3831 1. Fast 3. Neutral 2. Slow 4. Reverse 112-3832 109-2463 112-3834 109-2467 109-2490 112-3836 109-2539...
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Page 10: Product Overview
112-3833 Product Overview Figure 4 Figure 3 1. Ignition switch 4. Choke lever 2. Hour meter 5. Throttle control 1. Side discharge chute 5. Fuel cap (both sides) 3. PTO Switch 2. Height-of-cut selection pin 6. Parking brake lever 7. Mower deck 3. -
Page 11: Operation
Operation Note: Determine the left and right sides of the machine from the normal operating position. Adding Fuel Use Unleaded Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. -
Page 12: Checking The Engine Oil Level
Important: Do not use fuel additives containing methanol or ethanol. In certain conditions during fueling, static Add the correct amount of gas stabilizer/conditioner electricity can be released causing a spark to the gas. which can ignite the gasoline vapors. A fire Note: A fuel stabilizer/conditioner is most effective or explosion from gasoline can burn you and when mixed with fresh gasoline. -
Page 13: Operating The Parking Brake
Operating on wet grass or steep slopes can This machine produces sound levels in excess cause sliding and loss of control. of 85 dBA at the operators ear and can cause hearing loss through extended periods of Wheels dropping over edges can cause rollovers, exposure. -
Page 14: Starting And Stopping The Engine
5. Move the throttle control to the fast position before starting a cold engine (Figure 11). Figure 9 1. Parking brake – Set/ON 2. Parking brake – Figure 11 Released/OFF 1. Choke on 3. Throttle slow 2. Choke off 4. Throttle fast Starting and Stopping the 6. -
Page 15: Operating The Power Take Off (Pto)
3. Let the engine idle for 60 seconds. 4. Turn the ignition key to the off position and remove the key (Figure 12). 5. Close the fuel shut off valve before transporting or storing the machine (Figure 6). Important: Make sure that the fuel shut off valve is closed before transporting or storing the machine, as fuel leakage may occur. -
Page 16: Driving Forward Or Backward
Note: If the safety system does not operate as 2. Move the levers to the center, the un-locked described below, have an Authorized Service Dealer position. repair the safety system immediately. 3. To go forward, slowly push the motion control levers forward (Figure 14). -
Page 17: Stopping The Machine
To turn, release pressure on the motion control lever toward the direction you want to turn (Figure 14). To stop, push the motion control levers to the neutral position. Stopping the Machine To stop the machine, move the traction control levers to the center position and move them out to the locked position, disengage the power take off (PTO), and turn the ignition key to off. -
Page 18: Adjusting The Anti-Scalp Rollers
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. 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. -
Page 19: Using The Side Discharge
Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris will cause injury or death. • Never remove the grass deflector from the mower because the grass deflector routes material down toward the turf. -
Page 20: Loading Machines
Loading Machines Use extreme caution when loading units on trailers or trucks. One full width ramp that is wide enough to extend beyond the rear tires is recommended instead of individual ramps for each side of the unit (Figure 20). The lower rear section of the tractor frame extends back between the rear wheels and serves as a stop for tipping backward. -
Page 21: Cutting Speed
If a blade is damaged or worn, replace it immediately with Mow at Correct Intervals a genuine TORO replacement blade. Normally, mow every four days. But remember, grass grows at different rates at different times. So to maintain the same cutting height, which is a good practice, mow more often in early spring. -
Page 22: Maintenance
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Check for any loose fasteners and tighten them. • Change the engine oil. After the first 8 hours • Tighten the wheel lug nuts. • Check the hydraulic fluid. • Change the hydraulic filters and oil. After the first 250 hours •... -
Page 23: How To Grease
How to Grease 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. -
Page 24: Lubricating The Caster Wheel Hubs
4. Remove then nut and bolt holding the caster wheel to the front caster fork (Figure 25). 5. Remove the seal guard from the wheel hub (Figure 25). Figure 23 Figure 25 1. Caster fork 4. Caster wheel 2. Bolt 5. - Page 25 Figure 27 1. Spacer nut 4. Caster wheel 5. Nut and axle assembled 2. Bearing seal (new seals required) 3. Bearing Figure 26 1. 1/8 inch (3 mm) of the nut past the axle 12. Install the assembled nut and axle into the wheel on the side with the bearing and a new seal (Figure 27).
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Page 26: Engine Maintenance
Engine Maintenance Servicing the Air Cleaner Important: Do not oil the foam or paper element. Note: Service the air cleaner more frequently (every few operating hours) if the operating conditions are extremely dusty or sandy. Removing the Foam and Paper Elements 1. -
Page 27: Servicing The Engine Oil
Installing the Foam and Paper Elements Important: To prevent engine damage, always operate the engine with the complete foam and paper air cleaner assembly installed. 1. Carefully slide the foam element onto the paper air cleaner element (Figure 28). 2. Place the air cleaner assembly onto the air cleaner base and secure it with the 2 wing nuts (Figure 28). -
Page 28: Servicing The Spark Plugs
3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 32). 4. Install the replacement oil filter to the filter adapter, turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 3/4 turn (Figure 32). -
Page 29: Fuel System Maintenance
Checking the Spark Plugs Fuel System Service Interval: Every 100 hours Maintenance 1. Look at the center of the spark plugs (Figure 34). If you see light brown or gray on the insulator, the Draining the Fuel Tank engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty. -
Page 30: Electrical System Maintenance
Electrical System 3. Close the fuel shut-off valve located under the front of the fuel tank. Maintenance 4. Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 35). Servicing the Battery 5. Remove the filter from the fuel lines. 6. -
Page 31: Installing The Battery
Incorrect battery cable routing could damage the machine 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 Reconnect the positive (red) battery cable before reconnecting the negative (black) cable. -
Page 32: Servicing The Fuses
Charging the Battery 2. To replace the fuses, pull out on the fuse to remove 3. Install a new fuse (Figure 38). 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). -
Page 33: Drive System Maintenance
Drive System Maintenance Checking the Tire Pressure Service Interval: Every 50 hours or monthly, whichever occurs first. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Figure 39). Maintain the air pressure in the rear tires at 13 psi (90 kPa). -
Page 34: Cooling System Maintenance
Brake Maintenance Cooling System Maintenance Servicing the Brakes Cleaning the Air Intake Screen Before each use, check the brakes on both a level surface and slope. Service Interval: Before each use or daily Always set the parking brake when you stop the machine Before each use remove any build-up of grass, dirt or leave it unattended. -
Page 35: Belt Maintenance
Belt Maintenance Inspecting the Belts Service Interval: Every 100 hours—Inspect all belts for cracks and wear. Check belts for cracks, frayed edges, burn marks or any other damage. Replace damaged belts. Replacing the Mower Belt The signs of a worn mower belt are squealing while the Figure 43 belt is rotating, blades slipping while you are cutting 40 inch Mower... -
Page 36: Controls System Maintenance
Controls System Note: Non-commercial owners will need to loosen the seat retainer clip that holds the seat in place. Maintenance 2. Check the belt for wear and replace it if needed. 3. To replace the belt, remove the bolt from the clutch Adjusting the Control Handle stop and unplug the clutch electrical wire (Figure 45). -
Page 37: Adjusting The Tracking
Figure 48 1. Control lever 3. Bolt in front of the control lever 2. Stop Figure 47 5. If the ends of the levers hit against each other, adjust the levers by rotating them out to the neutral locked position and carefully bend them outward. Repeat this step as needed. -
Page 38: Hydraulic System Maintenance
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. Figure 49 Important: Use oil specified or equivalent. Other fluids could cause system damage. - Page 39 1. Disengage the PTO, move the motion control levers changing filter), unless it is felt the oil has been to the neutral locked position and set the parking contaminated or been extremely hot. Changing brake. the oil unnecessarily could damage the hydraulic system by introducing contaminates into the 2.
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Page 40: Mower Deck Maintenance
Mower Deck Note: The mower deck cutting height can be adjusted. Loosen the height of cut bracket and adjust Maintenance it forward or backward to get the correct height. Tighten the bracket after the adjustment is made. Leveling the Mower Important: There are only three measuring positions needed to level the mower. -
Page 41: Servicing The Cutting Blades
File down any nicks and sharpen the • Replace a worn or damaged blade. 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 Before Inspecting or Servicing the may want to keep extra blades on hand. -
Page 42: Inspecting The Blades
Inspecting the Blades Service Interval: Before each use or daily 1. Inspect the cutting edges (Figure 53). If the edges are not sharp or have nicks, remove and sharpen the blades. Refer to Sharpening the Blades. 2. Inspect the blades, especially the curved area (Figure 53). -
Page 43: Removing The Blades
To ensure optimum procedure until the blade is balanced. performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in nonconformance with safety standards. -
Page 44: Replacing The Grass Deflector
Figure 58 1. Sail Area of Blade 4. Blade Bolt 2. Blade 5. Cone Towards Bolt Head 3. Spring Disk Replacing the Grass Deflector Figure 59 An uncovered discharge opening could allow 1. Bolt 5. Locknut 2. Grass Deflector 6. Spring installed the lawn mower to throw objects in the 3. -
Page 45: Cleaning
Cleaning Storage 1. Disengage the power take off (PTO), set the parking Cleaning Under the Mower brake, and turn the ignition key to Off. Remove the key. Service Interval: Before each use or daily 2. Remove grass clippings, dirt, and grime from the 1. - Page 46 C. Stop the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank in Fuel System Maintenance , page 29. D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes.
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Page 47: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action Starter does not crank 1. Blade control (PTO) is engaged. 1. Move the blade control (PTO) to disengaged. 2. Parking brake is not on. 2. Set the parking brake. 3. Operator is not seated. 3. - Page 48 Problem Possible Cause Corrective Action Uneven cutting height. 1. Blade(s) not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. Mower is not level. 3. Level the mower from side-to-side and front-to-rear. 4. Underside of mower is dirty. 4.
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Page 49: Schematics
Schematics Wire Diagram (Rev. A) - Page 50 Notes:...
- Page 51 Notes:...
- Page 52 Countries Other than the United States or Canada Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatised with your Distributor’s service or have difculty obtaining guarantee information, contact the Toro importer.
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