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Original Instructions (EN)
Z Master
®
Series Riding Mower
with 48in, 52in, 60in, or 72in TURBO FORCE
Side Discharge Mower
Model No. 74922—Serial No. 315000001 and Up
Model No. 74923—Serial No. 315000001 and Up
Model No. 74925—Serial No. 315000001 and Up
Model No. 74927—Serial No. 315000001 and Up
Model No. 78922—Serial No. 315000001 and Up
Model No. 78924—Serial No. 315000001 and Up
Form No. 3394-299 Rev A
Professional 6000
g027403
*3394-299* A
®

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Summarization of Contents

Safety Instructions and Warnings
Safety Instructions and Warnings
Emphasizes following safety instructions to reduce injury potential from improper use or maintenance.
Machine Modifications
Modifications must only be made by the manufacturer or an Authorized Toro Dealer.
Amputating Hazard Warning
Product can amputate hands/feet; follow safety instructions to avoid injury or death.
Owner's Responsibility for Accidents
The owner/user is responsible for accidents, injuries, or property damage.
Operator and Mechanic Training
All operators and mechanics should be trained and familiar with equipment operation and safety signs.
Preparation and Safe Operation
Pre-Operation Checks
Check terrain, wear appropriate clothing, inspect area, verify controls and shields function properly.
General Operating Precautions
Operate in well-lit areas, avoid hazards, use caution on slopes, slow down for turns, keep clear of moving parts.
Safe Handling of Fuels
Extreme care needed for gasoline handling due to flammability and explosion risk. Follow all fueling safety rules.
Maintenance and Storage Procedures
Maintenance and Storage Preparation
Steps before maintenance: disengage PTO, stop engine, remove key. Park on level surface.
Toro Mower Safety Guidelines
Product can amputate/throw objects. Designed for grass cutting. Follow all safety instructions.
General Toro Operation Safety
Keep area clear, avoid hot parts, use Toro-approved attachments, check clearances, use caution on slopes.
Slope Operation Safety
Use extra caution on slopes, remove obstacles, watch for hazards, avoid drop-offs and sudden changes.
Rollover Protection System (ROPS) and Service
ROPS and Seat Belt Usage
Keep ROPS raised and locked, use seat belt to avoid rollover injury or death.
Service Precautions
Do not store fuel near flame, keep fasteners tight, do not interfere with safety devices, use Toro parts.
Slope Indicator
Slope Measurement and Usage Guidelines
Use slope chart to determine safe operating angle (max 15 degrees).
Safety and Instructional Decals
Decal Identification and Purpose
Decals provide safety and operational instructions. Replace damaged decals.
Key Control Panel Indicators
Diagrams showing control panel layout, including speed, neutral, and reverse.
Safety Decals and Baffle Adjustment
Rollover Protection and Moving Parts Warnings
Warnings regarding ROPS usage and staying away from moving parts.
Adjustable Baffle and Fuse Information
Information on adjustable baffle positions and identification of fuses.
Machine Identification and Safety Labels
Manufacturer's Mark and Hydro Oil
Indicates original manufacturer part and recommends hydro oil type.
Control Panel and Spark Arrester Warnings
Identifies control panel features and a California spark arrester warning.
Parking Brake and Safety Labels
Shows parking brake operation and critical safety labels for fuel leak and thrown object hazards.
Fuel Gauge and Control Operation
Fuel Gauge and Tank Filling
Describes fuel gauge and warns against overfilling the fuel tank.
Control Lever Functions and Specifications
Identifies control levers and provides torque specifications for maintenance.
Height-of-Cut Adjustment
Details height-of-cut settings and key removal for maintenance.
Battery Safety and Warnings
Battery Symbols and Hazards
Explains battery symbols and hazards like explosion, fire, caustic liquid, and lead content.
General Electrical Safety Precautions
Warnings about operator training, hearing protection, keeping guards in place, and pre-operation checks.
Maintenance Intervals and Slope Safety
Maintenance Schedule and Lubrication
Outlines maintenance intervals for hydraulic oil, tire pressure, and lubrication.
Slope and Ramp Safety Warnings
Critical warnings about tipping hazards on slopes and ramp loading safety.
Product Overview and Controls
Mower Component Identification
Diagram identifying major mower components like deck-lift pedal, roll bar, and controls.
Control Panel Layout and Functions
Explains PTO switch, choke, throttle control, and indicators like hour meter and safety interlocks.
Control Functions and Specifications
Ignition Switch and Motion Controls
Describes ignition switch positions and motion-control lever usage.
Neutral-Lock and Fuel Shutoff
Explains neutral-lock position and fuel shutoff valve operation.
Mower Specifications
Provides detailed specifications for mower width, length, height, and weight by model.
Operation: Adding Fuel and Safety
Fueling Procedures and Precautions
Detailed instructions on adding fuel, including type, location, and safety warnings regarding flammability and static electricity.
Using Fuel Stabilizer/Conditioner
Guidance on using fuel stabilizer to maintain fuel freshness and prevent system issues.
New Machine Break-in and ROPS Usage
New Machine Break-in Period
Recommended break-in period for new engines and drive systems to ensure optimal performance.
Rollover Protection System (ROPS) Operation
Critical safety information on ROPS usage, including warnings and proper operating procedures.
Engine Oil Level Check
Instructions for checking the engine oil level before operation.
Safety First: Slope Operation and ROPS
General Safety Awareness
Emphasizes reading safety information and understanding hazards like slopes and rollovers.
Slope Operation Dangers and ROPS Use
Details risks of slope operation and stresses the importance of ROPS and seat belt usage.
ROPS Raising Procedure
Step-by-step guide on how to raise the rollover protection system.
Operating Controls and Safety
Noise Level Warning and PPE
Warning about noise levels and recommendation for hearing protection and other PPE.
Parking Brake Operation
Instructions for setting and releasing the parking brake, with warnings for slope use.
Mower Blade-Control Switch (PTO)
Explanation of engaging and disengaging the PTO for blade operation.
Control Operation Details
Throttle and Choke Operation
How to operate the throttle for speed control and the choke for starting a cold engine.
Ignition Switch and Fuel Shutoff Valve
Instructions for using the ignition switch and the fuel shutoff valve.
Starting and Stopping the Engine
Engine Starting Procedure
Comprehensive steps for safely starting the engine, including safety checks and starter limits.
Engine Stopping Procedure
Safe procedure for stopping the engine, including idling and removing the key.
Safety Interlock System
Fuel Shutoff Valve for Transport
Reminder to close the fuel shutoff valve before transporting or storing the machine.
Safety Interlock System Function and Testing
Explains the safety interlock system's purpose and provides a procedure for testing its functionality.
Driving Controls
Motion-Control Levers Operation
Detailed explanation and diagrams for using motion-control levers for driving forward and backward.
Stopping the Machine and Deck Adjustment
Machine Stopping Procedure
Steps to properly stop the machine, including disengaging PTO and ignition.
Transport Lock Usage
Explanation of the transport lock's function and positions used with the deck-lift pedal.
Mower Deck Height Adjustment
Adjusting the Height-of-Cut Pin
Detailed steps for adjusting the mower deck's cutting height using the clevis pin.
Adjusting Anti-Scalp Rollers
Recommendation to adjust anti-scalp rollers when changing the cutting height.
Flow Baffle Adjustment
Adjusting Flow Baffle Cam Locks
Procedure for adjusting flow baffle cam locks for different mowing conditions.
Positioning the Flow Baffle
Recommendations for using different flow baffle positions based on grass conditions.
Seat Adjustments and Release Valves
Seat Adjustment Procedures
How to adjust the seat for suspension and position for operator comfort and control.
Drive-Wheel-Release Valve Operation
Critical safety warnings and procedure for operating drive-wheel-release valves.
Side Discharge Operation and Safety
Grass Deflector Safety and Function
Warnings about discharge opening hazards and the importance of the grass deflector.
Side Discharge Operation
Ensures grass deflector is in the down position for proper side discharge.
Transporting and Loading the Machine
Machine Transport Safety and Procedure
Safety precautions and steps for transporting the machine on a trailer or truck.
Loading Machine with Ramps
Detailed safety guidelines and procedures for loading the machine onto a trailer using ramps.
Loading Ramp Specifications
Ramp Angle and Length Requirements
Diagrams and specifications for ensuring proper ramp angle and length during loading.
Operating Tips for Mowing
Mowing Techniques and Best Practices
Tips on using fast throttle, cutting height, grass types, mowing direction, and speed for optimal results.
Blade Maintenance and Mower Cleaning
Importance of maintaining sharp blades and keeping the mower deck clean for quality cutting.
Maintenance Schedule
Recommended Maintenance Intervals and Procedures
Comprehensive table detailing maintenance tasks based on operating hours, monthly, and yearly intervals.
Lubrication Procedures
General Lubrication Guidelines
Type of grease, frequency, and general steps for lubricating machine components.
Greasing Mower Components
Specific instructions for greasing mower-deck spindles, idler arms, and caster pivots.
Lubricating Caster-Wheel Hubs
Caster-Wheel Hub Lubrication Steps
Detailed yearly procedure for lubricating caster-wheel bearings and hubs.
Engine Maintenance: Air Cleaner
Hot Surface Warning and Air Cleaner Service
Warning about hot surfaces and service intervals for air cleaner filters.
Air Cleaner Filter Removal
Steps to remove and inspect the air cleaner filters.
Air Filter Servicing and Oil Level Check
Primary and Secondary Air Filter Service
Instructions for replacing primary and secondary air filters and installing them correctly.
Engine Oil Level Check Procedure
How to check the engine oil level, including hot surface warnings and fill level cautions.
Engine Oil Change
Engine Oil Change Intervals and Procedure
Steps for changing engine oil, including warm-up, positioning, and draining procedures.
Engine Oil Filter Change
Engine Oil Filter Change Interval and Steps
Procedure and interval for changing the engine oil filter.
Spark Plug Service
Spark Plug Installation and Air Gap
Requirements for installing spark plugs, including torque and air gap specifications.
Spark Plug Removal and Condition Check
Steps for removing spark plugs and checking their condition for proper operation.
Spark Plug Installation and Fuel System
Spark Plug Installation Torque
Specification for tightening spark plugs.
Spark Arrester Inspection and Warning
Inspection, cleaning, and warnings related to the spark arrester for fire prevention.
Fuel Filter Replacement
Procedure for replacing the fuel filter, including safety precautions.
Fuel Tank and Electrical System Maintenance
Fuel Tank Servicing Restrictions
Restrictions on draining the fuel tank; dealer service recommended.
Battery Safety Warnings
Critical warnings regarding lead content, acid hazards, short circuits, and cable routing.
Battery Installation and Charging
Battery Installation Procedure
Steps for installing the battery and connecting the cables correctly.
Battery Charging Safety and Procedure
Safety warnings about charging gasses and procedure for charging the battery.
Fuse Servicing and Drive System Checks
Fuse Identification and Replacement
Location and identification of fuses, and procedure for replacement.
Seat Belt and ROPS Knob Checks
Procedures for checking seat belt condition and ROPS knob engagement.
Tracking and Tire Pressure Adjustment
Adjusting Machine Tracking
Procedure to adjust tracking if the machine pulls left or right.
Checking Tire Pressure
Importance of checking tire pressure for even cut and correct operating pressure.
Wheel Nut Torque and Caster Bearing Adjustment
Wheel Nut Torque Specifications
Specifications for wheel lug nut and wheel hub slotted nut torque.
Caster-Pivot Bearing Adjustment
Procedure for adjusting the caster-pivot bearing preload.
Clutch Shim Removal
Clutch Shim Removal Procedure
Steps to remove the clutch shim, including safety checks and gap measurement.
Cooling System Maintenance
Cleaning Engine Screen and Oil Cooler
How to clean the engine screen and oil cooler for proper cooling.
Cleaning Engine Cooling Fins and Shrouds
Procedure for cleaning engine cooling fins and shrouds for optimal performance.
Hydraulic Unit Shroud Cleaning
Hydraulic Unit Shroud Cleaning Procedure
Steps to clean debris from hydraulic unit shrouds.
Brake Maintenance
Adjusting the Parking Brake
Detailed procedure for adjusting the parking brake to ensure proper function.
Belt Maintenance
Inspecting and Replacing Mower Belts
How to inspect belts for wear and the procedure for replacing the mower belt.
Controls System Maintenance
Adjusting Control-Handle Position
How to adjust the control handle height for operator preference.
Motion-Control Linkage Adjustment
Motion-Control Linkage Adjustment Procedure
Steps to adjust the motion-control linkage to prevent neutral creep.
Motion-Control Damper and Neutral-Lock Adjustment
Adjusting Motion-Control Damper
How to adjust the motion-control damper for desired lever resistance.
Adjusting Motion Control Neutral-Lock Pivot
How to adjust the neutral-lock pivot for desired lever resistance.
Hydraulic System Maintenance
Hydraulic Oil Type and Level Check
Specifications for hydraulic oil and procedure for checking the oil level.
Hydraulic Oil Escape Hazard
Serious warning about the dangers of high-pressure hydraulic oil escaping.
Hydraulic Filters and Oil Replacement
Hydraulic Filter and Oil Change Intervals
When to change hydraulic filters and oil based on usage hours and oil type.
Hydraulic Filter Replacement Procedure
Steps for replacing the hydraulic filter and associated components.
Mower Deck Maintenance
Setting Up and Leveling the Mower Deck
Procedures for preparing and leveling the mower deck for an optimal cut.
Mower Deck Lift Adjustment
Adjusting Deck Lift Assembly
Steps to fine-tune the deck lift assembly and single-point system for correct cutting height.
Servicing Cutting Blades
Blade Inspection and Replacement
Importance of inspecting and replacing blades for quality cut and safety.
Blade Inspection Procedure
How to inspect cutting edges and blade areas for wear or damage.
Blade Condition and Replacement
Checking for Bent Blades
Procedure to check if blades are bent and the associated safety warning.
Blade Removal and Sharpening
Steps for removing blades and sharpening them to maintain balance and cutting edge.
Blade Installation and Mower Deck Removal
Installing the Blades
Procedure for installing blades correctly, ensuring proper orientation and torque.
Mower Deck Removal Safety and Procedure
Warning about stored energy in deck-lift arms and steps for removing the mower deck.
Mower Deck Removal Details
Deck Hardware and Strut Securing
Steps for removing deck hardware and securing deck struts during mower deck removal.
Grass Deflector and Cleaning
Grass Deflector Safety and Replacement
Warnings about discharge opening hazards and procedure for replacing the grass deflector.
Cleaning Under Mower and Waste Disposal
Instructions for cleaning the mower underside and disposing of waste materials properly.
Storage and Machine Preparation
Cleaning and Storing the Machine
Comprehensive steps for preparing and storing the machine for non-use periods.
Fuel Stabilization for Storage
How to prepare fuel for storage, including using stabilizer and time limits.
Troubleshooting Engine and Drive Issues
Engine Starting Problems
Common causes and corrective actions for when the starter does not crank or the engine starts hard.
Engine Power Loss and Overheating
Troubleshooting steps for engine power loss and overheating issues.
Steering and Tracking Issues
Causes and solutions for the mower pulling to the left or right.
Troubleshooting Machine Operation
Machine Drive and Vibration Issues
Troubleshooting for when the machine does not drive or vibrates abnormally.
Cutting Quality and Blade Rotation Problems
Solutions for uneven cutting height, blades not rotating, or clutch engagement issues.
Schematics
Wire Diagram
Detailed wiring diagram for the machine's electrical system.
Toro Warranty Information
Warranty Coverage Details
Explains warranty periods for various products and components.
Obtaining Warranty Service
Steps to follow for obtaining warranty service, including dealer contact.
Owner Responsibilities and Exclusions
Owner's maintenance duties and items/conditions not covered by the warranty.

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