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WARNING
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ZTR Mower Overview
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Brushless Motors
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Using this Manual
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ZTR Block Diagram and Control Flow
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Troubleshooting: General
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Troubleshooting: Detailed
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DMM and Other Tools
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Component Locations
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Controller and Label Locations
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Main Battery Connection
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Testing Main Fuse
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Testing Battery Voltage
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Control Panel
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Testing PTO Switch
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Testing Headlight Switch
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Testing the Drive Speed Switch
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Testing Blade Cutting Speed Switch
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Testing Fuel Gauge / Hour Meter
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Testing Key Switch
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Testing USB Port
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Testing the Neutral "Zero" Switches
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Table of Contents
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4
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5
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6
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7
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8
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9
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10
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12
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13
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14
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15
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16
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17
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18
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20
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21
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22
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23
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24
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25
Testing Headlight Assembly
Testing Accelerator (angular transducers)
Testing Brake Switch
Testing Beeper
Testing Seat Switch
Testing Master Blade Motor Controller
Testing Slave Blade Motor Controller
Testing Drive Motor Controllers
Testing Blade Motors
Testing Drive Motors
Testing Drive Motor Hall Sensors
Testing 48V-12V Converter and fuse
Testing Relay
Testing Relay Diode
Testing Charge port and interlock
Testing the Battery Charger
Battery Charger Error Codes
ZTR Beep Codes
Testing the Temperature Sensor
Wire Harness
Pre and Post-Repair Checklist
Electronic Tips for the Mechanical Small Engine Tech
Electronics Terms, Symbols and Tools
Using the Digital Multi-Meter (DMM)
Revision Log
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