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Summary of Contents for GreenWorks GZM48S
- Page 1 Stand On Mower 2501802 (Model No. GZM48S) Owner’s Manual TOLL-FREE HELPLINE: 1-855-470-4267 www.GreenworksCommercial.com Read all safety rules and instructions carefully before operating this tool. Version 2 - 7.24.18...
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Page 2: Table Of Contents
CONTENTS Contents ........................2 Product specifications ......................3 General information......................4 Safety information .......................5 Operator ...........................4 Machine ......................6 Mowing area ........................6 Mowing ........................6 Servicing..........................7 Charging ....................7 Slope operation..................8 Child safety........................8 Using a ramp........................8 Towing........................9 Battery & Charger....................9 Symbols..........................10 Know your zero turn mower ....................12 Know your zero turn mower ..................12 Mower control panel......................13 Drive control........................13... -
Page 3: Product Specifications
CONTENTS Battery Connectors ....................25 Battery Charging ..................25 Charging recommendations................26 Disconnecting the Batteries (Lithium Modules)..........26 Reconnecting the Batteries (Lithium Modules)..........26 Digital display....................27 Know the digital play....................27 Faults......................28 Maintenance ........................36 Regular maintenance....................36 Tires........................36 Lubrication........................36 Mower blade maintenance..................36 Mower blade removal/installation.................36 Torque values.. -
Page 4: General Information
Photographs and illustrations used were current at the time of printing, but subsequent production changes may cause your machine to vary slightly in detail. Greenworks Commercial Products reserves the right to redesign and change the machine as deemed necessary, without notification. If a change has been made to your machine which is not reflected in this owner’s manual or the parts manual, see your... -
Page 5: Safety Information
SAFETY INFORMATION GENERAL SAFETY RULES READ ALL INSTRUCTIONS CAREFULLY W A R N I N G This symbol indicates important safety instructions. If these instructions are not followed, it could endanger the personal safety and/or property of the operator and others. Read and understand all instructions in this manual before attempting to operate the mower. -
Page 6: Machine
SAFETY INFORMATION MACHINE • Never operate a poorly maintained machine. • Always keep safety shields and covers in place. • Follow daily and weekly checklists, making sure electrical connections are secured and bolts are tightened. • Replace damaged parts immediately. •... -
Page 7: Servicing
Do not charge batteries in rain or in wet location. • Double insulation - When servicing, use only identical replacement parts. • Only to be used with Greenworks 82V Batteries(2919002). See Parts Manual. • Electrical maintenance should be performed by trained professionals ONLY •... -
Page 8: Child Safety
SAFETY INFORMATION • Use extra care while operating machine with attachments; they can affect the stability of the machine. Do not use on steep slopes. • Do not try to stabilize the machine by putting your foot on the ground. •... -
Page 9: Battery & Charger
BATTERY & CHARGER C A U T I O N Use only Greenworks Commercial approved replacement batteries, as other batteries may cause injury or damage to the mower. Only to be used with Greenworks Commercial 82V Batteries. BATTERY SAFETY RULES •... -
Page 10: Symbols
SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer. SYMBOL NAME DESIGNATION/EXPLANATION Volts Voltage Amperes Current Hertz Frequency (cycles per second) - Page 11 SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING Indicates an imminently hazardous situation, which, if not avoided, DANGER will result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, WARNING could result in death or serious injury.
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Page 12: Know Your Zero Turn Mower
KNOW YOUR ZERO TURN MOWER KNOW YOUR MOWER Fig. 1 See Figure 1. Name Name Steering control levers Work light Hand stabilizer bar Discharge chute Control panel Drive wheel Front caster wheel Version 2 - 7.24.18... -
Page 13: Mower Control Panel
KNOW YOUR ZERO TURN MOWER CONTROL PANEL (TOP PANEL) See Figure 2. • Drive speed control button: Allows operators to select a comfortable driving speed. Pressing it to “High Speed"” position means that the maximum drive speed will be 6 mph. Pressing it to “Low Speed”... -
Page 14: Deck Height Adjustment System
Check mower safety start interlock system daily, prior to operation. This system is an important mower safety feature. It should be repaired immediately if it malfunctions. Call Greenworks Commercial Products immediately. The machine incorporates a separate stand switch which will stop the drive system and deck motors while the mower is operating. -
Page 15: Work Light
Work light ANTI-SCALP WHEELS See Figure 5. Anti-scalp wheel kits are standard on Greenworks Commercial units. These anti-scalp wheels are designed to minimize scalping when mowing on rough, uneven terrain. After setting the cutting height, adjust the anti- scalp wheels so they extend below the deck but do not contact the ground. They should always be at least 1/4"... - Page 16 KNOW YOUR ZERO TURN MOWER Fig. 6 Neutral bypass lever Fig. 7 W A R N I N G Never pull the neutral bypass lever outside when the machine is working on the slope! Version 2 - 7.24.18...
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Page 17: Operation
OPERATING YOUR LAWN MOWER STARTING YOUR MOWER • With key inserted, turn master power ignition switch on by rotating key clockwise to the ON position. • Check for the appropriate speed mode by pressing drive speed control button to low speed position. NOTE: It is always recommended to start out in low mode/slow speed. -
Page 18: Driving The Mower
OPERATING YOUR LAWN MOWER Ball knob Fig. 8 DRIVING THE MOWER See Figure 9. After starting the traction drive system, engage the steering control levers and steer as follows: To go forward, push steering control levers forward an equal distance. To go in reverse, pull steering control levers rearward an equal distance. -
Page 19: Mower Deck Operation
OPERATING YOUR LAWN MOWER W A R N I N G Always be aware of what is behind the machine before backing up. Do not mow in reverse unless absolutely necessary. Always look down and behind before and while backing up. I M P O R T A N T Rapid movement of steering control levers is not recommended as damage to the electrical system components may occur. -
Page 20: Operating Suggestions
If you lose steering control while operating the machine, place the steering control levers in the park brake position immediately and turn key to the “OFF” position. Inspect the machine and consult your Greenworks Commercial dealer to resolve the problem before continuing to operate. -
Page 21: Slope Operation
OPERATING YOUR LAWN MOWER Remember, grass grows at different rates at different time of the year. Mow more often in the early spring to maintain the same cutting height. As the growth rate slows in mid summer, mow less frequently. If you cannot mow at a regular interval, mow at a high cutting height;... - Page 22 OPERATING YOUR LAWN MOWER The steering is designed for sensitive response. Rapid movement of the steering control levers in either direction could result in a reaction of the machine that can cause serious injury. • Never stop suddenly while backing down slopes. This action may result in a reaction of the machine that can cause serious physical injury.
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Page 23: Slope Guide
OPERATING YOUR LAWN MOWER SLOPE GUIDE Use this diagram when determining the degree of slope to be mowed. Version 2 - 7.24.18... -
Page 24: Electrical System
Always keep protective shields, covers and guards in place and securely fastened. If they become damaged, repair or replace immediately. Never modify or remove safety devices. ELECTRICAL SYSTEM INFORMATION The Greenworks Commercial mower is powered by a 82 volt electrical system. It consists of the following components: 1. Deck controller (3) (Depending on model) 2. -
Page 25: Battery Charging Port
Fig. 11 Battery Charger A Greenworks Commercial-approved battery charger is provided with the Greenworks Commercial Mower. There is also an individual charger manual. Save its instructions — this manual contains important safety and operating instructions for the battery charger provided with this machine. Do not attempt to charge batteries with a charger not designed for use with this product. -
Page 26: Charging Recommendations
Disconnecting the Batteries (LITHIUM MODULES) W A R N I N G Only Greenworks Commercial dealer or authorized service center can disconnect the battery. W A R N I N G ALWAYS disconnect battery cables by pulling inward on RED battery quick disconnect handle in battery box compartment before ANY maintenance is performed on mower unit. -
Page 27: Digital Display
ELECTRICAL SYSTEM ELECTRICAL SYSTEM DIGITAL DISPLAY The function of the digital display, located on the control panel, is to provide electrical system information to the operator. It gives detailed information in the form of pattern,codes and number. Konw the digital display Icon Meaning low drive speed... -
Page 28: Faults
ELECTRICAL SYSTEM ELECTRICAL SYSTEM left blade motor fault code master controller fault code battery fault code right blade motor fault code slave controller fault code middle blade motor fault code FAULTS The Canbus system will take action to protect the user and machine when it detects an issue. When it acts to turn off the machine or a component, it will indicate that a fault has occurred, and that fault will be shown on the digital display. - Page 29 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix Severe Check battery wires Capacitor bank voltage exceeded the Overvoltage and connections; Severe Overvoltage limit with FET bridge Check fuse state enabled. and main contact connections. Controller Stop vehicle and Bring heatsink temperature below 85°C. Overtemp allow to cool down.
- Page 30 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix Motor Temp Motor thermistor is not 1. Motor thermistor is not connected Sensor Fault connected properly properly. or moter temp sensor failure 2. If the application doesn’t use a motor thermistor, Motor Temp Sensor Enable should be programmed Off.
- Page 31 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix Pot2 Wiper High Throttle failure 1. See Monitor menu » Inputs: Pot2 Raw. 2. Pot2 wiper voltage too high. 3. Bring Pot2 wiper voltage below the fault threshold. Pot2 Wiper Low Throttle failure 1.
- Page 32 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix BMS PDO Fault Cycle KSI Time between CAN PDO messages (between Master controller and BMS) received exceeded the PDO Timeout Period.Check the communcation wires from Seat State Fault Make sure to sit in the Seat switch,PTO switch and throttle inputs seat before you can applied in incorrect sequence.Reapply...
- Page 33 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix Motor Type Fault Set Motor_Type to Set Motor_Type to correct value and cycle correct value and cycle KSI. KSI. VCL/OS Download the correct Download the correct VCL and OS software Mismatch VCL and OS software into the controller.
- Page 34 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix R/M/L MOTOR TEMP If machine is 1. Motor temperature is at or above the HOT CUTBACK operating under heavy programmed Temperature Hot setting, and load, reduce load with the current is being cut back. lower speed blade 2.
- Page 35 ELECTRICAL SYSTEM System Code Fault Operator/Field Fix Technical/Diagnostic Fix R/M/L PUMP DRIVER Pump driver is either Pump driver is either open or shorted FAULT open or shorted R/M/L PUMP SRO The lift switch is turned The lift switch is turned on before KSI on before KSI R/M/L VALVE DRIVER...
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Page 36: Maintenance
MAINTENANCE REGULAR MAINTENANCE Regular maintenance is the best prevention for costly downtime or expensive, premature repair. The following pages contain suggested maintenance information and schedules which the operator should follow on a routine basis. For more detailed information order the correct parts manual for your unit. Remain alert for unusual noises, they could be signaling a problem. -
Page 37: Cleaning The Mower
MAINTENANCE Torque values are given below: Ft-lbs. Wheel (lug) nuts 111-118 150-160 Blade spindle bolt bottom 111-118 150-160 Lug nuts only - It is recommended that these be checked after the first 2 hours of operation, initially, every 100 hours and following removal for repair or replacement. For all other torques refer to the various mower parts manuals for standard torque chart. -
Page 38: No Season Preparation
ON when the unit is not being used. W A R N I N G Charge only with a Greenworks Commercial approved charger. Do not use battery chargers other than those recommended by Greenworks Commercial Equipment. Incorrect battery charging will void warranty and can lead to equipment damage, serious injury or death. -
Page 39: Lithium Energy Module Maintenance
MAINTENANCE Lithium energy module maintenance In order to prolong the battery module cycle life and make sure the module stays in good condition, please read the following instructions. 1. Whenever a battery pack is fully discharged and turned off, DO NOT USE IT AGAIN until it is recharged. Over discharge of the battery pack means the battery life will be shortened and the battery may become permanently damaged. - Page 40 Exercise caution when working under the deck as the mower blades are extremely sharp. Wear gloves and use extra caution when servicing them. • Use only genuine Greenworks Commercial Mower parts to ensure that original standards are maintained. • Always disconnect batteries when transporting unit. Keep unit free of grass clippings, leaves and other debris.
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Page 41: Environmentally Safe Battery Disposal
ENVIRONMENTALLY SAFE BATTERY DISPOSAL The following toxic and corrosive materials are in the batteries used in this lawnmower: lithium-ion. W A R N I N G All toxic materials must be disposed of in a specified manner to prevent contamination of the environment. Before disposing of damaged or worn-out lithium-ion battery packs, contact your local waste disposal agency, or the local Environmental Protection Agency office for information and specific instructions. -
Page 42: Troubleshooting
Refer to Digital display in the section of this If error patterm are manual. showing on the Numerous. digital display. Contact your Greenworks Commercial dealer. The cutting blade(s) is/ are bent Install new cutting blade(s). or unbalanced. There is abnormal vibration. -
Page 43: Deck System Resistance Test Procedure
TROUBLESHOOTING Deck System Resistance Test Procedure Make sure your Digital Multi Meter is capable of measuring up to 1.2million ohms(Ω) resistance before beginning these steps. Refer to your Digital Multi Meter owners manual for correct dial settings. Always disconnect the batteries before performing any maintenance or repair. Wait 5minutes after disconnecting the batteries prior to working on the machine. -
Page 44: Limited Warranty
• He must promptly notify Greenworks Commercial or an authorized dealer, in writing of the defect. In no event shall such notification be received by Greenworks Commercial, or an authorized dealer later than twenty-four (24) months from date of delivery. - Page 45 LIMITED WARRANTY C. Rental Use: Greenworks Commercial Mowers used in rental applications are not covered by warranty. This also includes no warranty on the batteries. WHO MUST PERFORM THE WARRANTY SERVICE All warranty service will be performed by dealers authorized by Greenworks Commercial. Service calls and/or transportation expense of the product to and from the authorized dealer, for warranty work, will be paid by the owner of the product.
- Page 46 ALLOCATION OF RISKS This agreement allocates the risks of product failure between Greenworks Commercial and the purchaser. This allocation is recognized by both parties and is reflected in the price of the goods.
- Page 47 Greenworks Commercial Tools PO Box 1238 Mooresville, NC 28115 TOLL-FREE HELPLINE: 1-855-470-4267 Rev: 00 (07-20-2017) Version 2 - 7.24.18...
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