Form No. 3324-969 Z150 Z–Master with 44 in. SFS Side Discharge Mower Model No.
Warning Greasing the Bearings . . . . . . . . . . . . . . . . . . . . . Checking the Level of Mower Deck . . . . . . . . . . Checking the Side Discharge Chute . . . . . . . . . . Checking the Engine Oil . . . . . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Think Safety First . . . . . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using the Parking Brake . . . . . . . . . . . . . .
Servicing the Battery . . . . . . . . . . . . . . . . . . . . . . Waste Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . Mercury Tilt Switch . . . . . . . . . . . . . . . . . . . . . . . Mercury Tilt Switch Disposal . . . . . . . . . . . . . . . Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Toro Total Coverage Guarantee . . . . . .
• Never let children or untrained people operate or service the equipment. Local regulations may restrict the age of the operator. • Never operate with the discharge deflector raised, removed or altered, unless using a grass catcher. • Do not change the engine governor setting or overspeed the engine. • The owner/user can prevent and is responsible for accidents or injuries occurring to himself or herself, other people or property.
• Disconnect battery or remove spark plug wire before making any repairs. Disconnect the negative terminal first and the positive last. Reconnect positive first and negative last. • Stop the engine before removing the grass catcher or unclogging the chute. • Use care when checking blades. Wrap the blade(s) or wear gloves, and use caution when servicing them. Only replace blades. Never straighten or weld them. • Watch for traffic when operating near or crossing roadways.
• Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before driving under any objects and do not contact them. DO NOT • Do not mow slopes exceeding 15 degrees. • Avoid turning on slopes. If you must turn, turn slowly and gradually downhill, if possible. • Do not mow near drop-offs, ditches, or embankments. The machine could suddenly turn over if a wheel goes over the edge of a cliff or ditch, or if an edge caves in. • Do not mow on wet grass.
Slope Chart 7
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.
65–2690 54–9220 67–5360 1–633818 1–643401 99–3924 1–523552 104–8172 10
98–4387 1–653147 1–653140 103–0262 103–0315 99–3942 11
Gasoline and Oil Warning Gasoline is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and illness. Recommended Gasoline Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. • Avoid prolonged breathing of vapors. • Keep face away from nozzle and gas tank or conditioner opening. • Keep gas away from eyes and skin.
Set Up Loose Parts Note: Use the chart below to verify all parts have been shipped. Description Qty.
2. Remove retaining rod from seat and insert the L shaped end of the rod into the hole directly above the left–side hydraulic pump (Fig. 3). 3. Place the seat retaining rod to the outside of the mounting tab of the seat frame and secure with a bolt (5/16 x 1 in.) bolt and a lock nut (5/16 in.) locknut (Fig. 3). 2 1 4. Tighten until snug, then loosen so the rod pivots freely. 1 3 2 m–3751 Figure 4 1. Mounting plate 2. Bolt 3/8 x 1 in. 3. Spring washer 3/8″ 5.
Danger 4 Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. 2 • Do not drink electrolyte and avoid contact with skin, eyes or clothing. Wear safety glasses to shield your eyes and robber gloves to protect your hands. • Fill the battery where clean water is always available for flushing the skin. • Follow all instructions and comply with all safety messages on the electrolyte container. 3 1 2. Place battery on a level surface. 3.
4. Secure cables with 2 bolts (1/4 x 3/4 in.) 2 washers (1/4 in.) and 2 locknuts (1/4 in.) (Fig. 8). 3. Remove cap from filler neck. Look inside to check if there is fluid in the reservoir (Fig. 9). 5. Slide the red terminal boot onto the positive (red) battery post. 4. If there is no fluid, add fluid to reservoir approximately a 1/4 in. (6mm) below the top of baffle. 6. Secure battery with 2 J-bolts, hold down clamp and 2 washers (1/4 in.) and 2 wing nuts (1/4 in.) (Fig. 8). 5.
Greasing the Bearings Operation Make sure cutting unit spindles are full of grease before engine is first started. Think Safety First Grease with No. 2 general purpose lithium base or molybdenum base grease. Carefully read all the safety instructions and decals in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury. 1. Grease the fittings on the three spindle bearings. Grease until it comes out lower seals (Fig. 10).
1 8 Releasing the Parking Brake 8 2 2 1. Push forward and down on the parking brake lever to release the parking brake (Fig. 13). 1 2 m–4121 7 3 Figure 13 1. Parking brake—ON 4 5 10 6 9 m–4200 Using the Blowout Baffles Figure 12 1. 2. 3. 4. 5. Ignition switch Motion control lever Parking brake lever Throttle Choke 6. 7. 8. 9. 10. 2.
Starting and Stopping the Engine 1 1 2 Starting 3 1. Sit down on the seat and move the motion controls to neutral locked position. 2 2. Set the parking brake; refer to Setting the Parking Brake, page 18. 3. Move the PTO (power take off) to off (Fig. 15). m–4268 m–2720 Figure 17 4. Move the choke control to on position before starting a cold engine. 1. Fast 2. Slow Note: A warm or hot engine may require choking. After engine starts, move choke control to off position. Figure 18 1. Off 2.
Engaging the PTO • The motion control levers are in neutral lock position. 1. While seated in the seat, release pressure on the traction control levers and place in neutral. The safety interlock system also is designed to stop the engine when the traction controls are moved with the parking brake engaged or if you rise from the seat when the PTO is on. 2. Place throttle to the fast position. 3. Pull out on the power take off (PTO) switch to engage (Fig. 19).
Driving Forward parking brake when you leave the machine; refer to Setting the Parking Brake, page 18. Remember to remove the key from the ignition switch. 1. Release the parking brake; refer to Releasing the Parking Brake, page 18. Caution 2. Move levers to the center, un-locked position. 3. To go forward, slowly push the motion control levers forward (Fig. 20). Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended.
Adjusting the Anti-Scalp Rollers 1 Whenever you change the height-of-cut it is recommended to adjust the height of the anti-scalp rollers. Figure 22 1. Disengage the power take off (PTO) and turn the ignition key to off. Move controllers to neutral locked position and apply parking brake. Remove the key. 1. Shut-off valve 2. After adjusting height-of-cut remove nut and washer while holding stud with wrench (Fig. 24). Adjusting Height-of-Cut Note: Do not remove the wheel nut and washer (Fig. 24).
2. After adjusting height-of-cut, remove bolt and nut (Fig. 25). 3. Select hole so gage wheel is positioned to the nearest corresponding height-of-cut desired (Fig. 25). Note: Do not adjust rollers to support the deck. 4. Reinstall the bolt, center rollers and nut (Fig. 25). 1 m–3655 3 Figure 26 1. Adjustment lever Pushing the Machine by Hand 1 2 Important Always push the machine by hand. Never tow the machine because hydraulic damage may occur. m–4124 Figure 25 1. Center rollers and spacer 2.
the safety instructions on pages 3–13. Knowing this information could help you, your family, pets or bystanders avoid injury. To transport the machine: • Lock brake and block wheels. • Securely fasten the machine to the trailer or truck with straps, chains, cable, or ropes. 1 • Secure a trailer to towing vehicle with safety chains. Figure 27 Warning 1.
Mow at Correct Intervals Avoid sudden acceleration when driving up a ramp and sudden deceleration when backing down a ramp. Both maneuvers can cause the unit to tip backward. 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. As the grass growth rate slows in mid summer, mow less frequently.
Maintenance Recommended Maintenance Schedule Maintenance Service Interval After First Use Each Use Maintenance Procedure • Check hydraulic fluid level • Change engine oil • Change hydraulic filter • • • • Check oil level Check safety system Clean cooling systems Clean mower housing Every 5 Hours • Check cutting blades • Grease blade spindle bearings Every 25 Hours • • • • • • • • Every 50 Hours • Check spark arrester Every 100 Hours • • • • Every 200 Hours • Change oil filter • Change hydraulic
Caution If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition and disconnect the wire from the spark plug(s) before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.
F ront Warning Contact with sharp blade can cause serious injury. • Wear gloves or wrap sharp edges of the blade with a rag. Hold the blade end using a rag or thickly-padded glove. Remove the blade bolt, flat washer, split lockwasher and blade from the spindle shaft (Fig. 31). m–1078 Figure 29 1 2 3 4 MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE 5 m-431 m–2539 Figure 31 Figure 30 1. Sail area of blade 2. Blade 3. Flat washer 3. Rotate the opposite ends of the blades forward.
blade is not balanced, file some metal off the end of the sail area only (Fig. 31). Repeat this procedure until the blade is balanced. 6 4 2 1 2 m–1855 1 7 10 11 5 3 9 8 Figure 33 1. Blade 2. Balancer m–4086 Installing the Blades Figure 34 1. 2. 3. 4. 5. 6. 1. Install the blade onto the spindle shaft (Fig. 31). Important The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 2. Install the flat washer, lock washer and blade bolt (Fig.
Cleaning the Paper Element Oil Type: Detergent oil (API service SG or SH) 1. Lightly tap the element on a flat surface to remove dust and dirt (Fig. 36). Crankcase Capacity: w/filter, 67 oz. (2 l) Viscosity: See table below 2. Inspect the element for tears, an oily film, and damage to the rubber seal. USE THESE SAE VISCOSITY OILS Important Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene.
Changing the Engine Oil 1. Drain the oil from the engine; refer to Changing the Engine Oil, page 31. 1. Start the engine and let it run five minutes. This warms the oil so it drains better. 2. Remove the old filter and wipe the filter adapter gasket surface (Fig. 39). 2. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely. Then disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 3.
Removing the Spark Plug(s) 2 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 3 1 0.030 in. (0.76 mm) 2. Pull the wire(s) off the spark plug(s) (Fig. 40). Now clean around the spark plug(s) to prevent dirt from falling into the engine and potentially causing damage. 3. Remove the spark plug(s) and metal washer. m–3215 Figure 41 1. Center electrode insulator 2. Side electrode Installing the Spark Plug(s) 1 2 3.
3 1 1 4 2 m–4088 2 Figure 42 1. Filter m–4088 Figure 43 2. Hose clamp 1. Fuel shut-off valve 2. Fuel filter 3. Hose clamp 4. Fuel line Servicing the Fuel Tank Draining The Fuel Tank Servicing the Spark Arrester Inspect the spark arrester every 50 hours for damage, such as holes in the screen, and for build-up on the screen. If it is damaged, replace it with a new spark arrester. If it is dirty, remove it and clean the screen with a wire brush and/or soak it in solvent.
m–5531 Figure 44 Figure 45 Grease Front Castor Pivots Lubricate the front castor pivots once a year. Where to Add Light Oil or Spray Lubrication 1. Remove hex plug and cap. Thread a grease zerk into hole. Lubricate the machine in the following areas with spray type lubricant or light oil. Lubricate every 160 hours. • Seat switch actuator. 2. Pump grease into zerk until it oozes out around top bearing. • Brake handle pivot. 3. Remove grease zerk in hole. Reinstall hex plug and cap.
3. Remove cap from filler neck. Look inside to check if there is fluid in the reservoir. (Fig. 46). Warning 4. If there is no fluid, add fluid to reservoir approximately a 1/4 in. (6mm) below the top of baffle. Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 5. Run the machine 15 minutes to allow any air to purge out of the system and warm fluid.
Bleeding Hydraulic System The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. 1. Raise rear of the machine so wheels are off the ground and support with jack stands. 2. Start the engine and run at idle speed. Engage traction on one side and spin the wheel by hand. 1 3. When the wheel begins to spin on its own, keep it engaged until wheel drives smoothly (minimum 2 minute). m–4117 Figure 47 4.
Adjusting the Wheel Hub Slotted Nut Pressure: 13 psi (90 kPa) drive wheels and castor wheels. Check after every 500 operating hours. 1 The slotted nut needs to be torqued to 125 ft-lbs (169.5 N m). 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). m–1872 2. Remove cotter pin. Figure 49 3. Torque slotted nut to 125 ft-lbs (169.5 N m) (Fig. 51). 1. Valve stem 4. Check the distance from bottom of slot in nut to inside edge of hole.
4. Raise the deck to the transport position (Fig. 52). Take force off of the two large deck lift springs by loosening jam nut and front spring nut, in front of each spring, as far as possible (Fig. 53). 10. Adjust front swivel using rear locking nut until the front chain is tight and front of deck is still touching block. Tighten front locking nut. Repeat for opposite side. 7 5. Place two 1-1/4 in. (35 mm) thick blocks under rear left and right lower edge of mower.
Replacing the Deck Belt 2. Adjust each side the same amount. Each push arm should have a nominal length of 15-5/16 in. (389mm) (Fig. 54). Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. Note: Increase tension by lengthening the push arms and decrease tension by shortening push arms. 3 1.
Note: Check spring length. The spring should measure 9–3/8 in. ± 1/8 in. (238 mm ±.3 mm) when installed. Adjust if it does not (Fig. 55). 4 5 1 3 9. Install belt covers over outside spindles. 1 5 6 3 2 m- 4 Figure 57 2 1. Clutch strap 2. Bolt 3. Clutch electrical wire m–5531 4. Belt 5. Idler 6. Clutch Figure 56 Top View 1. Deck belt 2. Idler arm 3. Outside pulley Replacing the Grass Deflector 4. Spring 5.
Important The grass deflector must be able to lower down into position. Lift the deflector up to test that it lowers into the full down position. 8 6 4 1 2 3 2 5 1 M 7 Figure 59 1. Right-hand motion control lever (shown) m 2. Neutral lockout position Figure 58 1. 2. 3. 4. 5. Bolt Spacer Locknut Spring Spring installed 4. If adjustment is needed, loosen the nut against the yoke (Fig. 60). 6. Grass Deflector 7. Place behind deck edge before installing bolt 8. Hook end of spring 5.
Warning Engine must be running so motion control adjustment can be performed. Contact with moving parts or hot surfaces may cause personal injury. 1 4 3 Keep hands, feet, face, clothing and other body parts away from rotating parts, muffler and other hot surfaces. 2 2. Slide seat forward, disconnect prop rod and tilt seat fully forward. 6 2 3. Disconnect electrical connector from the seat safety switch. Temporarily install a jumper wire across terminals in the wiring harness connector. 7 4.
Adjusting the Parking Brake Fuse: Main F1—20 amp, blade-type Alternator F2—20 amp, blade-type Check parking brake for proper adjustment. 1. Raise the seat to gain access to fuse holder (Fig. 62). 1. Disengage brake lever (lever down). 2. To replace fuses pull out on the fuse to remove it (Fig. 62). 2. Measure the length of the spring. Measurement should be 2–3/4 in (70 mm) between washers (Fig. 61). 2 3.
1 2 Warning Charging battery produces gasses that can explode and cause serious injury. 3 • Keep cigarettes, sparks and flames away from battery. • Make sure the ignition switch is off. • Ventilate when charging or using battery in an enclosed space. 1262 Figure 63 1. Filler caps 2. Lower part of tube 3. Plates Waste Disposal Adding Water to the Battery Engine oil, hydraulic oil and engine coolant are pollutants to the environment. Dispose of these according to your state and local regulations.
does not become part of solid waste or waters. 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. Call your local waste management authority or Toro Customer Service for instructions.
GND BK BK PTO CLUTCH GY DK.GN SHOWN WITH LEVER IN NEUTRAL POSITION LT.GN (NEUTRAL) SW5 LT.BU SHOWN WITH LEVER IN NEUTRAL POSITION LT.BU SW4 (NEUTRAL) SHOWN WITH PARK BRAKE DISENGAGED SW3 (BRAKE) SHOWN IN OFF POSITION DK.
Cleaning and Storage G. Run engine to distribute conditioned fuel through the fuel system (5 minutes). 1. Disengage the power take off (PTO), set the parking brake and turn the ignition key to off. Remove the key. H. Stop engine, allow to cool and drain the fuel tank; refer to Servicing the Fuel Tank, page 33. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
Troubleshooting Problem Starter does not crank Engine will not start, starts hard, or fails to keep running. Engine g loses power. Engine g overheats. Possible Causes Corrective Action 1. Blade control (PTO) is engaged. 1. Move blade control (PTO) to disengaged. 2. Parking brake is not on. 2. Set parking brake. 3. Operator is not seated. 3. Sit on the seat. 4. Battery is dead. 4. Charge the battery. 5. Electrical connections are corroded or loose. 5.
Problem Abnormal vibration. Machine does not drive. Abnormal vibration. Possible Causes Corrective Action 1. Engine mounting bolts are loose. 1. Tighten engine mounting bolts. 2. Loose engine pulley, idler pulley, or blade pulley. 2. Tighten the appropriate pulley. 3. Engine pulley is damaged. 3. Contact Authorized Service Dealer. 1. Traction belt is worn, loose or broken. 1. Contact Authorized Service Dealer. 2. Traction belt is off pulley. 2. Contact Authorized Service Dealer. 3.
Problem Blades do not rotate. Possible Causes Corrective Action 1. Drive belt is worn, loose or broken. 1. Install new drive belt. 2. Drive belt is off pulley. 2. Install drive belt and check adjusting shafts and belt guides for correct position. 3. Deck belt is worn, loose or broken. 3. Install new deck belt.
The Toro Total Coverage Guarantee LCE A One-Year Limited Warranty Conditions and Products Covered Owner Responsibilities The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair any Toro Product used for commercial, institutional, or rental purposes if defective in materials or workmanship.
