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Form No. 3324–151 Z–Master Z153 with 52 Side Discharge Mower Model No. 74175–200000001 & Up Operator’s Manual Domestic English (EN)
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The warning system in this manual identifies potential hazards and has special safety messages that All of us at Toro want you to be completely satisfied help you and others avoid personal injury, even death. with your new product, so feel free to contact your...
Safety Preparation This machine meets or exceeds CPSC blade safety requirements for rotary mowers and the Evaluate the terrain to determine what B71.4 1999 specifications of the American accessories and attachments are needed to National Standards Institute, in effect at time of properly and safely perform the job.
Safety Operation Never carry passengers and keep pets and bystanders away. Never run an engine in an enclosed area. Slow down and use caution when making turns Only operate in good light, keeping away from and crossing roads and sidewalks. Stop blades if holes and hidden hazards.
Always look down and behind before The following list contains safety information and while backing. specific to Toro products or other safety information that you must know that is not included in the ANSI Be aware of the mower discharge direction and standards.
Safety Before operating a machine with ROPS (roll When operating a machine with ROPS (roll over over protection) be certain the seat belts are protection) always use seat belt. attached to prevent the seat from pivoting Be certain that the seat belt can be released forward.
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Safety Check brake operation frequently. Adjust and service as required. Battery acid is poisonous and can cause burns. Avoid contact with skin, eyes and clothing. Protect your face, eyes and clothing when working with a battery. Battery gases can explode. Keep cigarettes, sparks and flames away from battery.
Safety Safety and Instruction 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. TOP OF CONSOLE UNDER SEAT (Part No. E513747) ON RIGHT SIDE OF HEIGHT OF ON LEFT SIDE OF ON TOP OF CONSOLE LEFT...
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Safety UNDER FOOTREST (Part No. 99–3924) ON FRAME NEAR MUFFLER (Part No. 65–2690) LOWER LEFT OF CONSOLE (Part No. 98–4387) ON TOP LEFT SIDE OF FRAME (Part No. E633818) ON CONTROL PANEL (Part No. 99–3942)
Gasoline and Oil Recommended Gasoline Use UNLEADED Regular Gasoline suitable for POTENTIAL HAZARD automotive use (85 pump octane minimum). Leaded In certain conditions gasoline is extremely regular gasoline may be used if unleaded regular is flammable and highly explosive. not available. WHAT CAN HAPPEN IMPORTANT: Never use methanol, gasoline A fire or explosion from gasoline can burn...
Gasoline and Oil Filling the Fuel Tank Shut the engine off and set the parking brake. POTENTIAL HAZARD Gasoline is harmful or fatal if swallowed. Clean around each fuel tank cap and remove the Long–term eposure to vapors has caused cap.
Install seat rod Locknut 5/16” Control lever–right Control lever–left Install motion control levers Bolt 3/8–1 x 1” (26 mm) Spring washer 3/8” Operator’s Manual Read before operating machine Engine Operator’s Manual Parts Catalog Registration card Fill out and return to Toro...
Assembly Install Drive Wheels Install Seat Retaining Rod Uncrate mower. Tilt seat up. Remove 5/16” (8mm) locknut from bolt attaching seat retaining rod to seat frame Remove wheel bolts or nuts from rear wheel (Fig. 2). hubs. Remove retaining rod from seat and insert the Align holes.
Assembly Install Motion Control Levers If the ends of the levers hit against each other, while in the drive position (Fig 4) (levers rotated in as far as possible) make adjustments by Remove the (4) 3/8–16 x 1” (26 mm) bolts and moving the levers outwards to the neutral lock (4) 3/8”...
Assembly Activate the Battery Remove filler caps from the battery. Slowly pour electrolyte into each cell until the electrolyte level is up to the lower part of the tube (Fig. 5). Bulk electrolyte with 1.260 specific gravity must be purchased from a local battery supply outlet. Remove the battery from the machine.
Assembly Install Battery Position battery in tray with terminal posts POTENTIAL HAZARD toward the engine (Fig. 7). Charging battery produces gasses. First, install the positive (red) battery cable to WHAT CAN HAPPEN positive (+) battery terminal. Battery gasses can explode causing serious injury.
Assembly Hydraulic System Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first started. Fluid Type: Mobil 1 15W–50 synthetic motor oil. IMPORTANT: Use only oil specified. Other fluids could cause system damage. Figure 8 Hydraulic System Oil Capacity: 2.1 qt. (2.0 l) 1.
Assembly Greasing the Bearings Check Engine Oil Level Make sure cutting unit spindles are full of grease Before you start the engine and use the machine, before engine is first started. check the oil level in the engine crankcase; refer to Checking Oil Level, page 41.
Operation Think Safety First Controls Please carefully read all the safety instructions on Become familiar with all the controls (Fig. 1) before pages 3–13. Knowing this information could help you start the engine and operate the machine. you, your family, pets or bystanders avoid injury. POTENTIAL HAZARD Loud sound can cause ear damage and loss of hearing.
Operation Parking Brake Starting and Stopping the Engine Always set the parking brake when you stop the machine or leave it unattended. Starting IMPORTANT: Do not park on slopes unless Sit down on the seat and move the motion wheels are chocked or blocked. controls to neutral locked position.
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Operation Stopping Move the throttle lever to “SLOW” (Fig. 5). Move the PTO (power take off) to “OFF” (Fig. 3). Turn the ignition key to “OFF” (Fig. 6). Note: If the engine has been working hard or is hot, let it idle for a minute before m–4201 m–2719 turning the ignition key “OFF.”...
Operation Operating the Power Take Off The Safety Interlock System (PTO) Understanding the Safety Interlock System The power take off (PTO) switch engages and disengages power to the electric clutch. The safety interlock system is designed to prevent the engine from starting unless: Engaging the PTO You are sitting on the seat Release pressure on the traction control levers...
Operation Testing the Safety Interlock Driving Forward or Backward System The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the Test the safety interlock system before you use the throttle control in the “FAST” position for best machine each time.
Operation POTENTIAL HAZARD Someone could move or attempt to operate the tractor while it is unattended. WHAT CAN HAPPEN Children or bystanders may be injured if m–2715 they use the tractor. Figure 8 HOW TO AVOID THE HAZARD 1. Motion control 3.
Operation Fuel Tanks Adjusting Height-of-Cut The unit has two fuel tanks, one located on the left The height-of-cut is adjusted from 1-1/2” to 4-1/2” side and one on the right side. Each tank connects to (38 to 114 mm) in 1/4” (6 mm) increments by the fuel shut off valve in the control panel.
Operation Adjusting Anti-Scalp Rollers Center Rollers Disengage the power take off (PTO) and turn the Whenever you change the height-of-cut it is ignition key to “OFF”. Move controllers to recommended to adjust the height of the anti-scalp neutral locked position and apply parking brake. rollers.
Operation Positioning the Seat Pushing the Machine by Hand The seat can move forward and backward. Position IMPORTANT: Always push the machine by the seat where you have the best control of the hand. Never tow the machine because machine and are most comfortable. hydraulic damage may occur.
Operation Side Discharge Transporting Machines The mower has a hinged grass deflector that disperses Use a heavy–duty trailer or truck to transport the clippings to the side and down toward the turf. machine. Ensure that the trailer or truck has all necessary lighting and marking as required by law.
Operation Loading Machines Use extreme caution when loading units on trailers or POTENTIAL HAZARD trucks. One full width ramp that is wide enough to Loading a unit on a trailer or truck extend beyond the rear tires is recommended instead increases the possibility of backward of individual ramps for each side of the unit.
If you cannot mow for an extended period, as necessary. If a blade is damaged or worn, replace it first mow at a high cutting height; then mow again immediately with a genuine TORO replacement two days later at a lower height setting. blade.
Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Hours Service Hydraulic fluid–check level Initial Initial Oil—check level Oil—change* Initial Oil Filter–change (200 hours or every other oil change) Hydraulic filter–change Initial Safety System—check Chassis—grease* Linkage bushings—oil* Foam Air Cleaner—service* Paper Air Cleaner—service* Paper Air Cleaner—replace*...
File down any nicks and Inspecting the Blades sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO Inspect the cutting edges (Fig 16). If the edges replacement blade. For convenient sharpening and...
Figure 17 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 result in non-conformance with safety standards. Hold the blade end using a rag or thickly-padded glove.
Maintenance Sharpening the Blades Cleaning the Cooling System Use a file to sharpen the cutting edge at both Clean the air intake screen from grass and debris ends of the blade (Fig. 20). Maintain the original befor each use. angle. The blade retains its balance if the same amount of material is removed from both cutting Clean cooling fins and engine shrouds every 300 edges.
Maintenance Air Cleaner Carefully remove the foam element from the paper element (Fig. 23). Foam Element: Clean and re-oil after every 25 operating hours. Cleaning the Foam and Paper Elements Paper Element: Clean after every 100 operating Foam Element hours. Replace after every 300 operating hours or yearly.
Maintenance Paper Element Engine Oil A. Lightly tap the element on a flat surface to Change oil: remove dust and dirt (Fig. 25). After the first 8 operating hours. B. Inspect the element for tears, an oily film, and damage to the rubber seal. After every 100 operating hours.
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Maintenance Checking Oil Level Changing/Draining Oil Check engine oil level daily. Start the engine and let it run five minutes. This warms the oil so it drains better. Park the machine on a level surface, disengage the power take off (PTO) and turn the ignition Park the machine so that the drain side is slightly key to “OFF”...
Maintenance Change Oil Filter Spark Plug Replace the oil filter every 200 hours or every other Check the spark plug(s) after every 100 operating oil change. hours. Make sure the air gap between the center and side electrodes is correct before installing the spark Note: Change oil filter more frequently when plug.
Maintenance Checking the Spark Plug Fuel Filter Clean or replace spark plug and set gap every 100 Replace the fuel filter after every 200 operating hours hours. or yearly, whichever occurs first. Look at the center of the spark plug(s) (Fig. 30). If you see light brown or gray on the insulator, Replacing the Fuel Filter the engine is operating properly.
Maintenance Fuel Tank Pull the fuel line off fuel filter (Fig. 32). Open fuel shut-off valve for left and right tanks. Draining The Fuel Tank Allow gasoline to drain into a gas can or drain pan. (Fig. 32). Note: Now is the best time to install a new fuel filter because the fuel tank is POTENTIAL HAZARD empty.
Maintenance Greasing and Lubrication Grease Front Castor Pivots Lubricate the front castor pivots once a year. Lubricate the machine when shown on the CHECK SERVICE REFERENCE AID decal (Fig. 33). Grease Remove hex plug and cap. Thread a grease zerk more frequently when operating conditions are into hole.
Maintenance Greasing the Bearings Hydraulic System Checking the Hydraulic Fluid The cutting unit must be lubricated regularly. Refer to the Service Interval Chart on page 35. Grease with Check the hydraulic fluid level: No. 2 general purpose lithium base or molybdenum base grease.
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Maintenance Replacing the Hydraulic Filter Change the hydraulic filter: After the first 8 operating hours. After every 200 operating hours. Position machine on a level surface, stop the engine, and remove key from ignition switch. IMPORTANT: Do not substitute automotive oil filter or severe hydraulic system damage Figure 35 may result.
Maintenance When fluid overflows filter turn the oil filter Check Hydraulic Lines clockwise until the rubber gasket contacts the After every 100 operating hours, check hydraulic filter adapter, then tighten the filter an additional lines and hoses for leaks, loose fittings, kinked lines, 1/2 turn (Fig.
Maintenance Wheel Hub Slotted Nut Check after every 500 operating hours. The slotted nut needs to be torqued to 125 ft–lbs (169.5 N m). Stop the engine, set the parking brake, remove m–1872 the key and disconnect the spark plug wire(s) Figure 38 from the spark plug(s).
Maintenance Mower Leveling Note: When hardware is loose, deck will rotate the lift handle up out of position. Position mower on a flat surface. Stop the When hardware is loosened, remaining tension engine, set the parking brake, remove the key in the large support springs will tend to rotate the and disconnect the spark plug wire(s) from the deck lift handle up, out of the 1–1/2”...
Maintenance 12. Raise deck to 3 inch height of cut and measure Note: Increase belt tension by lengthening actual height from blade tips to ground. Height the push arms and decrease belt tension of cut for the front blade tips should be by shortening push arms.
Maintenance Clean Under Deck Replacing the Grass Deflector Remove grass build up under deck daily. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) Position mower on a flat surface. Stop the from the spark plug(s). engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the Remove the locknuts, bolts and springs holding...
Maintenance Replacing the Deck Belt Squealing when the belt is rotating, blades slipping POTENTIAL HAZARD when cutting grass, frayed belt edges, burn marks and Spring is under tension when installed. cracks are signs of a worn deck belt. Replace the deck WHAT CAN HAPPEN belt if any of these conditions are evident.
Maintenance Replacing the Pump Drive Belt Adjusting Motion Controls Check pump drive belt for wear after every 50 hours Adjusting Handle Neutral of operation. If motion control levers do not align, or move easily Remove deck belt first. See Replacing the Deck into the console notch, adjustment is required.
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Maintenance Apply slight rearward pressure on the motion Adjusting Hydraulic Pump Neutral control lever, turn the head of the adjustment Note: Adjust handle neutral first. That has to bolt in the appropriate direction until lever is be correct before the following centered in neutral lock position (keeping adjustment can be made.
Maintenance Note: The front nut of each rod has left–hand Adjustment Parking Brake threads. Check parking brake for proper adjustment. Start engine, open throttle 1/2 way and release parking brake. Refer to Starting and Stopping Disengage brake lever (lever down). the Engine, page 24.
Maintenance Fuse Battery Service Interval/Specification Check the electrolyte level in the battery every 25 hours. Always keep the battery clean and fully The electrical system is protected by fuses. It requires charged. Use a paper towel to clean the battery case. no maintenance: however, if a fuse blows check If the battery terminals are corroded, clean them with component/circuit for malfunction or short.
Maintenance Adding Water to the Battery Waste Disposal The best time to add distilled water to the battery is Engine oil, hydraulic oil and engine coolant are just before you operate the machine. This lets the pollutants to the environment. Dispose of these water mix thoroughly with the electrolyte solution.
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Management and disposal practices must be within relevant federal, state or local laws. Return the switch to your Toro dealer if it is faulty and is being replaced or if the unit containing the switch is no longer operating and is being scrapped. If the switch is damaged or broken open use extreme caution in handling.
Maintenance Cleaning and Storage B. Run engine to distribute conditioned fuel through the fuel system (5 minutes). Disengage the power take off (PTO), set the C. Stop engine, allow to cool and drain the parking brake and turn the ignition key to “OFF” fuel tank;...
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Maintenance 13. Clean any dirt and chaff from the top of the mower. 14. Scrape any heavy buildup of grass and dirt from the underside of the mower, then wash the mower with a garden hose. 15. Check the condition of the blades. Refer to Cutting Blades on page 36.
Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Starter does not crank Blade control (PTO) is Move blade control (PTO) to ENGAGED. DISENGAGED. Parking brake is not on. Set parking brake. Operator is not seated. Sit on the seat. Battery is dead. Charge the battery.
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Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine overheats. Engine load is excessive. Reduce ground speed. Oil level in crankcase is low. Add oil to crankcase. Cooling fins and air passages Remove obstruction from under engine blower housing cooling fins and air passages. are plugged.
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Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Uneven cutting height. Blade(s) not sharp. Sharpen blade(s). Cutting blade(s) is/are bent. Install new cutting blade(s). Mower is not level. Level mower from side-to-side and front-to-rear. Gage wheel not set correctly. Adjust gage wheel height. Underside of mower is dirty.
If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.