Table of Contents
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Form No. 3364-226 Rev A
Z400 Z Master
with a 48in or 52in TURBO FORCE
®
Side
Discharge Mower
Model No. 74444—Serial No. 310000001 and Up
Model No. 74445—Serial No. 310000001 and Up
g012081
To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
Original Instructions (EN)
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Summary of Contents for Toro 74444
- Page 1 ® Side Discharge Mower Model No. 74444—Serial No. 310000001 and Up Model No. 74445—Serial No. 310000001 and Up g012081 To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com. Original Instructions (EN)
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Page 2: Table Of Contents
Safety ................4 additional information, contact an Authorized Service Safe Operating Practices ........4 Dealer or Toro Customer Service and have the model Slope Indicator............. 6 and serial numbers of your product ready. Figure 1 Safety and Instructional Decals ......7 identifies the location of the model and serial numbers Product Overview ............ - Page 3 Using the Rollover Protection System Adjusting the Control Handle Neutral (ROPS) ............14 Position............41 Think Safety First ..........15 Hydraulic System Maintenance ....... 42 Operating the Parking Brake ....... 16 Servicing the Hydraulic System ......42 Starting and Stopping the Engine ......16 Setting the Hydraulic Pump Neutral Operating the Power Take Off (PTO) ....
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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: Slope Operation
• Be certain that the seat belt can be released quickly • Use only Toro approved attachments. Warranty may in the event of an emergency. be voided if used with unapproved attachments. -
Page 6: Slope Indicator
Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. -
Page 7: 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. 66-1340 1-403005 65-2690 1-633818 68-8340 54-9220 98-4387 1. Warning—wear hearing protection. 58-6520 98-5954 1. - Page 8 103-2644 105-7798 107-2102 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.
- Page 9 110-2068 1. Read the Operator’s Manual. 108-1050 112-8651 1. Interval 2. Power Take-off (PTO) 3. Parking brake 4. Neutral 5. Operator presence switch 6. Battery 108-1051 109-7949 115-4212 1. Hydraulic oil level 3. Warning—do not touch the hot surface. 2. Read the Operator’s Manual.
- Page 10 Manufacturer’s Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 117-3821 107-8445 107-9309 1. Warning—read the Operator’s Manual for information on charging the battery; contains lead; do not discard. 2. Read the Operator’s Manual. 108-5995 1.
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Page 11: Product Overview
117-0904 1. Fast 2. Continuous variable setting 3. Slow Product Overview 3 4 5 4 5 6 1 2 3 g012084 Figure 5 1. Motion control lever 5. Hour meter 2. Fuel cap (both sides) 6. PTO Switch 3. Throttle control 7. -
Page 12: Throttle Control
Contact your level (Figure 6). Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories. Figure 6 1. Safety interlock symbols 3. -
Page 13: Operation
Operation In certain conditions during fueling, static Note: Determine the left and right sides of the electricity can be released causing a spark machine from the normal operating position. which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and Adding Fuel others and can damage property. -
Page 14: Checking The Engine Oil Level
Important: Do not use fuel additives containing methanol or ethanol. There is no rollover protection when the roll bar Add the correct amount of gas stabilizer/conditioner is in the down position. to the gas. • Lower the roll bar only when absolutely Note: A fuel stabilizer/conditioner is most effective necessary. -
Page 15: Think Safety First
Important: Always use the seat belt with the roll bar in the raised position. Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping over edges can cause rollovers, which may result in serious injury, death or drowning. -
Page 16: Operating The Parking Brake
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, ears, feet, and head. -
Page 17: Operating The Power Take Off (Pto)
the throttle lever to desired setting. Repeat this as required. Stopping the Engine 1. Push the PTO to the off position (Figure 12). 2. Move the throttle lever midway between the slow and fast positions (Figure 14). 3. Let the engine idle for 60 seconds. 4. -
Page 18: The Safety Interlock System
Figure 17 1. Triangles light up when the interlock components are in the correct position Figure 16 1. PTO-On 2. PTO-Off Testing the Safety Interlock System Service Interval: Before each use or daily Disengaging the PTO Test the safety interlock system before you use the To disengage, push the PTO switch to the off position machine each time. -
Page 19: Stopping The Machine
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 machine down before making sharp turns. -
Page 20: Adjusting The Height-Of-Cut
2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Children or bystanders may be injured if they move or attempt to operate the tractor while it 3. After adjusting the height-of-cut, adjust the rollers is unattended. -
Page 21: Adjusting The Flow Baffle
Positioning the Flow Baffle The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and height of grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position A This is the full rear position. -
Page 22: Using The Lift Assist Lever
• Use in tall, dense grass mowing conditions. • Use in wet conditions. • Lowers the engine power consumption. • Allows increased ground speed in heavy conditions. • This position is similar to the benefits of the Toro SFS mower. G008962 Figure 27 Unlatching the Seat Push the seat latch rearward to unlatch the seat. -
Page 23: Using The Side Discharge
Important: Do not rotate by-pass valves more than 1 turn. This prevents valves from coming out of the body and causing fluid to run out. Without the grass deflector, discharge cover, or complete grass catcher assembly mounted 3. Disengage parking brake before pushing. in place, you and others are exposed to blade contact and thrown debris. -
Page 24: Loading Machines
Driving on the street or roadway without turn Loading a unit onto a trailer or truck increases signals, lights, reflective markings, or a slow the possibility of backward tip-over and could moving vehicle emblem is dangerous and can cause serious injury or death. lead to accidents causing personal injury. -
Page 25: Blade Maintenance
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 26: Maintenance
• Check the wheel lug nuts. • Adjust the caster pivot bearing. Every 500 hours • Change the hydraulic filters and hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil. • Grease the front caster pivots (more often in dirty or dusty conditions). -
Page 27: Lubrication
Lubrication Greasing and Lubrication Lubricate the machine when shown on the Check Service Reference Aid decal (Figure 32). Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. Figure 31 1. Seal guard 2. Spacer nut with wrench How to Grease flats 1. -
Page 28: Greasing The Mower Deck And Belt Idlers
Greasing the Mower Deck and 13. Torque the nut to 75-80 in-lb (8-9 N-m), loosen, then re-torque to 20-25 in-lb (2-3 N-m). Make sure Belt Idlers axle does not extend beyond either nut. Service Interval: Every 50 hours—Grease the mower 14. -
Page 29: Engine Maintenance
Engine Maintenance 1. If installing a new filter, check it for shipping damage. Do not use a damaged filter. 2. Carefully slide the air filter into the body (Figure 34). Servicing the Air Cleaner Note: Ensure that it is fully seated by pushing on Note: Service the filter more frequently if operating the outer rim of the filter while installing it. -
Page 30: Changing The Oil
Figure 36 1. Oil dipstick 2. Filler tube 5. Unscrew the oil dipstick and wipe the end clean (Figure 36). 6. Slide the oil dipstick fully into the filler tube, but do not thread onto tube (Figure 36). Figure 37 7. -
Page 31: Servicing The Spark Plugs
Checking the Spark Plugs 3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 38). Service Interval: Every 100 hours 4. Install the replacement oil filter to the filter adapter, 1. Look at the center of the spark plugs (Figure 40). turn the oil filter clockwise until the rubber gasket If you see light brown or gray on the insulator, the contacts the filter adapter, then tighten the filter an... -
Page 32: Fuel System Maintenance
Servicing the Fuel Tank Fuel System Maintenance In certain conditions, gasoline is extremely Replacing the Fuel Filter flammable and highly explosive. A fire or explosion from gasoline can burn you and Service Interval: Every 200 hours/Yearly (whichever others and can damage property. comes first)—Replace the fuel filter. -
Page 33: Electrical System Maintenance
Electrical System Maintenance Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, Servicing the Battery resulting in personal injury. • Always Disconnect the negative (black) Warning battery cable before disconnecting the positive (red) cable. -
Page 34: Servicing The Fuses
6. Remove both wing nuts (1/4 inch) securing the battery clamp (Figure 42). 7. Remove the battery. Installing the Battery 1. Position battery in the tray with the terminal posts toward the engine (Figure 42). 2. First, install the positive (red) battery cable to positive (+) battery terminal. -
Page 35: Drive System Maintenance
Drive System Maintenance Adjusting the Tracking Note: Determine the left and right sides of the machine from the normal operating position. The machine has a knob for adjusting the tracking located under the seat. Important: Adjust the handle neutral and hydraulic pump neutral before adjusting the tracking. -
Page 36: Checking The Wheel Hub Slotted Nut
cut. Check the tires when they are cold to get the most accurate pressure reading. Figure 47 1. Slotted Nut 3. Hole in threaded shaft 2. Two threads or less 4. Washer (if needed) showing Figure 46 5. Check the distance from bottom of slot in nut to inside edge of hole. -
Page 37: Cooling System Maintenance
Cooling System Maintenance Cleaning the Air Intake Screen Service Interval: Before each use or daily—Clean the engine air intake screen from grass and debris. Before each use remove any build-up of grass, dirt or other debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and Figure 48 carburetor-governor levers and linkage. -
Page 38: Brake Maintenance
Brake Maintenance Adjusting the Parking Brake Check the parking brake for proper adjustment. 1. Disengage the brake lever (lever down). 2. Measure the length of the spring; the measurement should be 2-3/4 inch (74 mm) between the washers (Figure 50). Figure 49 1. -
Page 39: Belt Maintenance
Belt Maintenance 6. Measure the distance between the trunnion roller and the collar on the brake rod. The measurement should be 3/16 to 1/4 inch (5 to 7 mm) (Figure 50). Inspecting the Belts 7. If an adjustment is necessary, do the following: Service Interval: Every 100 hours A. -
Page 40: Replacing The Pump Drive Belt
Figure 52 1. Ratchet with short 2. Square hole extension or breaker g012213 8. To increase the belt tension, rotate the ratchet or Figure 53 breaker bar counterclockwise to move the fixed 1. Belt 4. Bolt idler arm until you feel increased resistance and the 2. -
Page 41: Controls System Maintenance
Controls System Note: Increase the tension by lengthening the push arms; decrease the tension by shortening the push Maintenance arms. Adjusting the Control Handle Neutral Position If the motion control levers do not align or move easily into the console notch, adjustment them. Adjust each lever, spring, and rod separately. -
Page 42: Hydraulic System Maintenance
Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ hydraulic oil or Mobil ® 1 15W-50. Hydraulic System Oil Capacity: 67 ounces (2.0 l) Important: Use oil specified or equivalent. Other fluids could cause system damage. - Page 43 Every 500 hours—Change the 11. If required, add fluid to the hydraulic tank. Do not hydraulic filters and hydraulic oil overfill. when using Toro ® HYPR-OIL ™ hydraulic oil. Use summer filter above 32°F (0°C)
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Page 44: Setting The Hydraulic Pump Neutral Position
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. - Page 45 1. Raise the frame and block up the machine so drive 2. Start the engine, open throttle 1/2 way and release wheels can rotate freely. parking brake. Refer to Starting and Stopping the Engine in , page . 2. Disconnect the electrical connector from the seat safety switch.
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Page 46: Mower Deck Maintenance
Mower Deck Maintenance Electrical system will not perform proper safety shut off with jumper wire installed. Leveling the Mower at Three • Remove jumper wire from wire harness connector and plug connector into seat Positions switch when adjustment is completed. Important: There are only three measuring •... - Page 47 Adjusting the Front-to-Rear Mower Pitch 1. Position the right blade front-to-rear (Figure 64). 2. Measure the right blade at the A location, from a level surface to the cutting edge of the blade tip (Figure 64). Figure 62 1. Measure here from blade 2.
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Page 48: Servicing The Cutting Blades
1. Disengage the PTO, move the motion control levers blades as necessary. If a blade is damaged or worn, to the neutral locked position and set the parking replace it immediately with a genuine Toro replacement brake. blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. -
Page 49: Removing The Blades
Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may Figure 69 result in nonconformance with safety standards. -
Page 50: Replacing The Grass Deflector
Installing the Blades 2. Place the spacer and spring onto grass deflector. Place the L end of spring behind deck edge. 1. Install the blade onto the spindle shaft (Figure 70). Note: Make sure the L end of the spring is installed Important: The curved part of the blade must behind the deck edge before installing the bolt as be pointing upward toward the inside of the... -
Page 51: 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 Remove the grass buildup under the mower daily. - Page 52 C. Stop the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank in Maintenance. 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 53: 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 54 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 55: Schematics
Schematics Wire Diagram (Rev. A) - Page 56 Countries Other than the United States or Canada Customers who have purchased Toro products outside 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 dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer.