Table of Contents
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FORM NO. 3321–680
Z–Master
Compact Series
Z150
with 52" SFS Side
Discharge Mower
Model No. 74172–990001
Operator's Manual
IMPORTANT: Read this manual carefully. It contains information about your
safety and the safety of others. Also become familiar with the controls and
their proper use before you operate the product.
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Table of Contents
Related Manuals for Toro 74172
Summary of Contents for Toro 74172
- Page 1 Compact Series Z150 with 52” SFS Side Discharge Mower Model No. 74172–990001 Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
- Page 2 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...
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Page 3: Table Of Contents
Contents Page Page Fuel Tanks ......Safety ....... . . Adjusting Height-of-Cut . -
Page 4: Safety
Safety This machine meets or exceeds CPSC blade safety Safe Operating Practices requirements for rotary mowers and the B71.4 1990 specifications of the American This product is capable of amputating hands and feet National Standards Institute, in effect at time of and throwing objects. -
Page 5: General Operation
Safety General Operation 16. Use extra care when loading or unloading the machine onto a trailer or truck. Read, understand, and follow all instructions in 17. Do not touch equipment or attachment parts the operator’s manual and on the machine before which may be hot from operation. -
Page 6: Slope Operation
Safety Slope Operation Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before Slopes are a major factor related to loss-of-control driving under any objects and do not contact and tip-over accidents, which can result in severe them. injury or death. All slopes require extra caution. If DO NOT you cannot back up the slope or if you feel uneasy on it, do not mow it. - Page 7 Safety Children Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good Tragic accidents can occur if the operator is not alert condition. to the presence of children. Children are often Never tamper with safety devices. Check safety attracted to the machine and the mowing activity.
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Page 8: Slope Chart
Safety Slope Chart Read all safety instructions on pages 3–5. - Page 9 Safety...
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Page 10: Safety And Instruction Decals
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... - Page 11 Safety UNDER FOOTREST (Part No. 99–3924) ON HYDRAULIC TANK ON FRAME NEAR MUFFLER (Part No. 65–2690) ON TOP LEFT SIDE OF FRAME (Part No. E633818) ON CONTROL PANEL (Part No. 99–3942)
- Page 12 Safety 99–3943...
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Page 13: Gasoline And Oil
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... -
Page 14: Stabilizer/Conditioner
Gasoline and Oil Stabilizer/Conditioner Filling the Fuel Tank Add the correct amount of gas stabilizer/conditioner Shut the engine off and set the parking brake. to the gas. Using a stabilizer/conditioner in the Clean around each fuel tank cap and remove the machine: cap. -
Page 15: Assembly
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... -
Page 16: Install Drive Wheels
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. -
Page 17: Install Motion Control Levers
Assembly Install Motion Control Levers 12. 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”... -
Page 18: Activate The Battery
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. -
Page 19: Install Battery
Assembly Install Battery Position battery in tray with terminal posts POTENTIAL HAZARD toward the engine (Fig. 7). Charging battery produces gasses. Slide the red terminal boot onto the positive WHAT CAN HAPPEN (red) battery cable. Battery gasses can explode. HOW TO AVOID THE HAZARD Install the positive (red) battery cable to positive Keep cigarettes, sparks and flames away (+) battery terminal then negative battery cable... -
Page 20: Hydraulic System
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. Hydraulic System Oil Capacity: 2.1 qt. (2.0 l) Position machine on a level surface and stop the engine and set the parking brake. -
Page 21: Operation
Operation Think Safety First Parking Brake Please carefully read all the safety instructions on Always set the parking brake when you stop the pages 2–10. Knowing this information could help machine or leave it unattended. you, your family, pets or bystanders avoid injury. IMPORTANT: Do not park on slopes unless wheels are chocked or blocked. -
Page 22: Starting And Stopping The Engine
Operation Starting and Stopping the Engine Starting Sit down on the seat and move the motion controls to neutral locked position. Set the parking brake; refer to Setting the m–4201 m–2719 Parking Brake, page 19. Figure 3 Figure 4 Move the PTO (power take off) to “OFF” 1. -
Page 23: Operating The Power Take Off (Pto)
Operation Stopping Operating the Power Take Off (PTO) Move the throttle lever to “SLOW” (Fig. 5). Move the PTO (power take off) to “OFF” The power take off (PTO) switch engages and (Fig. 3). disengages power to the electric clutch. Turn the ignition key to “OFF”... -
Page 24: The Safety Interlock System
Operation The Safety Interlock System Testing the Safety Interlock System Understanding the Safety Interlock System Test the safety interlock system before you use the machine each time. If the safety system does not The safety interlock system is designed to prevent the operate as described below, have an Authorized engine from starting unless: Service Dealer repair the safety system immediately. -
Page 25: Driving Forward Or Backward
Operation Driving Forward or Backward Backward Move levers to the center, un-locked position. The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the To go backward, slowly pull the motion control throttle control in the “FAST” position for best levers rearward (Fig. -
Page 26: Instruments
Operation Instruments Fuel Tanks The unit has two fuel tanks, located on the left and Hour Meter right sides. Each tank connects to the fuel shut off valve in the control panel. From there a common fuel The hour meter records the number of hours the line leads to the engine (Fig. -
Page 27: Adjusting Height-Of-Cut
Operation Adjusting Height-of-Cut Adjusting Anti-Scalp Rollers The height-of-cut is adjusted from 1-1/2” to 5” Whenever you change the height-of-cut it is (38 to 127 mm) in 1/4” (6 mm) increments by recommended to adjust the height of the anti-scalp relocating clevis pin in different hole locations. rollers. - Page 28 Operation Stud Method Center Rollers Disengage the power take off (PTO) and turn the Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Move ignition key to “OFF”. Move controllers to controllers to neutral locked position and apply neutral locked position and apply parking brake.
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Page 29: Positioning The Seat
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. -
Page 30: Side Discharge
Operation Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. POTENTIAL HAZARD Without the grass deflector or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. -
Page 31: Tips For Mowing Grass
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. -
Page 32: Maintenance
Maintenance Service Interval Chart Each Storage Service Operation 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*... -
Page 33: Cutting Blades
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. -
Page 34: Inspecting The Blades
Maintenance Inspecting the Blades Checking for Bent Blades Inspect the cutting edges (Fig 17). If the edges Stop the engine, set the parking brake, remove are not sharp or have nicks, remove and sharpen the key and disconnect the spark plug wire(s) the blades. -
Page 35: Removing The Blades
(Fig. 20). performance and continued safety conformance of the Repeat this procedure until the blade is balanced. machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. - Page 36 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”...
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Page 37: Greasing The Bearings
Maintenance 12. Raise deck to 3 inch height of cut and measure Greasing the Bearings actual height from blade tips to ground. Height of cut for the front blade tips should be The cutting unit must be lubricated regularly. Refer to 3.00 .125 (76mm 3mm). -
Page 38: Replacing The Grass Deflector
Maintenance Replacing the Grass Deflector Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). Remove the locknuts, bolts and springs holding the deflector mounts to the pivot brackets (Fig. 26). If the pivot brackets need to be replaced, remove the carriage bolts and cone locknuts holding the old brackets to the top of the discharge opening,... -
Page 39: Replacing The Deck Belt
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. -
Page 40: Air Cleaner
Maintenance Air Cleaner Carefully slide the foam element off the paper element (Fig. 29). Foam Element: Clean and re-oil after every 25 Unscrew the cover nut and remove the cover and operating hours. paper element (Fig. 29). Paper Element: Replace after every 100 operating hours. -
Page 41: Engine Oil
Maintenance Paper Element Engine Oil A. Lightly tap the element on a flat surface to Change oil: remove dust and dirt (Fig. 31). After the first 5 operating hours. B. Inspect the element for tears, an oily film, and damage to the rubber seal. After every 100 operating hours. - Page 42 Maintenance Checking Oil Level Changing/Draining Oil Park the machine on a level surface, disengage Start the engine and let it run five minutes. This the power take off (PTO) and turn the ignition warms the oil so it drains better. key to “OFF”...
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Page 43: Spark Plug
Maintenance Change Oil Filter Spark Plug Replace the oil filter every 200 hours or every other Check the spark plug(s) after every 200 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. -
Page 44: Greasing And Lubrication
Maintenance Checking the Spark Plug Greasing and Lubrication Look at the center of the spark plug(s) (Fig. 36). Lubricate the machine when shown on the CHECK If you see light brown or gray on the insulator, SERVICE REFERENCE AID decal (Fig. 37). Grease the engine is operating properly. -
Page 45: Tire Pressure
Maintenance Tire Pressure Fuel Filter Maintain the air pressure in the front and rear tires as Replace the fuel filter after every 200 operating hours specified. Uneven tire pressure can cause uneven cut. or yearly, whichever occurs first. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first Replacing the Fuel Filter (Fig. -
Page 46: Fuel Tank
Maintenance Fuel Tank Pull the fuel line off fuel filter (Fig. 40). 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. 40). Note: Now is the best time to install a new fuel filter because the fuel tank is POTENTIAL HAZARD empty. -
Page 47: Hydraulic System
Maintenance Hydraulic System Checking the Hydraulic Fluid POTENTIAL HAZARD Hydraulic fluid escaping under pressure Check the hydraulic fluid level: can penetrate skin and cause injury. Before engine is first started. WHAT CAN HAPPEN Fluid accidentally injected into the skin After first 8 operating hours. must be surgically removed within a few hours by a doctor familiar with this form of After 25 operating hours. - Page 48 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 m–1256 oil filter or severe hydraulic system damage Figure 43...
- Page 49 Maintenance Bleeding Hydraulic System Check Hydraulic Lines The traction system is self bleeding, however, it may After every 100 operating hours, check hydraulic be necessary to bleed the system if fluid is changed or lines and hoses for leaks, loose fittings, kinked lines, after work is performed on the system.
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Page 50: Adjusting Motion Controls
Maintenance Adjusting Motion Controls Apply slight rearward pressure on the motion control lever, turn the head of the adjustment bolt in the appropriate direction until lever is centered in neutral lock position (keeping Adjusting Handle Neutral rearward pressure on the lever will keep the pin If motion control levers do not align, or move easily at the end of the slot and allow the adjustment into the console notch, adjustment is required. - Page 51 Maintenance Adjusting Hydraulic Pump Neutral Note: Motion control lever must be in neutral while making any adjustments. Note: Adjust handle neutral first. That has to 15. Open throttle to fast. Make sure wheel remains be correct before the following stopped or slightly creeps in reverse, re-adjust if adjustment can be made.
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Page 52: Replacing The Pump Drive Belt
Maintenance Replacing the Pump Drive Belt Adjustment Parking Brake Check pump drive belt for wear after every 50 hours Check parking brake for proper adjustment. of operation. Disengage brake lever (lever down). Remove bolt from clutch strap and unplug clutch Measure the length of the spring. -
Page 53: Fuse
Maintenance Fuse Service Interval/Specification The electrical system is protected by fuses. It requires no maintenance: however, if a fuse blows check component/circuit for malfunction or short. Fuse: Main F1–20 amp, blade-type Alternator F2–20 amp, blade-type Raise the seat to gain access to fuse holder (Fig. -
Page 54: Battery
Maintenance Battery Adding Water to the Battery The best time to add distilled water to the battery is Check the electrolyte level in the battery every 25 just before you operate the machine. This lets the hours. Always keep the battery clean and fully water mix thoroughly with the electrolyte solution. -
Page 55: Wiring Diagram
Maintenance Wiring Diagram... -
Page 56: Cleaning And Storage
Maintenance Cleaning and Storage 10. For long-term storage (more than 90 days) add stabilizer/conditioner additive to fuel in the tank (1 oz. per gallon). Disengage the power take off (PTO), set the parking brake and turn the ignition key to “OFF” A. -
Page 57: Troubleshooting
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. - Page 58 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.
- Page 59 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Blades do not rotate. Drive belt is worn, loose or Install new drive belt. broken. Drive belt is off pulley. Install drive belt and check adjusting shafts and belt guides for correct position. Deck belt is worn, loose or Install new deck belt.
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Page 60: Warranty
What Is Covered By This Express Warranty? analysis of the defect in materials or workmanship or if you need a referral to a TORO ProLine Service Dealer, please feel free to The Toro Company promises to repair any TORO Product...